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Jonas Hietala
New Computer! I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s...
over a year ago
5
over a year ago
I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s awesome (as all new computers are). The specs: GPU: Gigabyte GeForce GTX 550Ti OC 1GB CPU: Intel core i5 2500K CPU cooler: Zalman CNPS-9900NT Motherboard: MSI P67A-C45 REV B3 Ram:...
Jonas Hietala
Postmortem: Balls So it’s been what? Two, three years since I discovered the art of programming and I haven’t made one...
over a year ago
4
over a year ago
So it’s been what? Two, three years since I discovered the art of programming and I haven’t made one single game?! Well now I’m not counting the visual basic nightmare mastermind I made a long time ago but a real game. Whatever that means. I’ve had these monster-projects; Point...
On Life and Lisp
Fun and Games with Exposure Notifications Exposure Notifications is a protocol developed by Apple and Google for facilitating COVID-19 contact...
over a year ago
9
over a year ago
Exposure Notifications is a protocol developed by Apple and Google for facilitating COVID-19 contact tracing on mobile phones by exchanging codes with nearby phones over Bluetooth, implemented within the Android and iOS operating systems, now available here in Toronto. Wait –...
Simply Explained
Shelly 2.5 + ESPHome: potential fire hazard + fix If you have flashed your Shelly 2.5 with ESPHome, make sure to configure GPIO16. Otherwise, the pin...
over a year ago
5
over a year ago
If you have flashed your Shelly 2.5 with ESPHome, make sure to configure GPIO16. Otherwise, the pin will be short-circuited and cause the unit to heat up significantly, creating a potential fire hazard!
computers are bad
2024-10-26 buy payphones and retire PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress...
2 months ago
35
2 months ago
PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress watches, AI-generated SEO spam websites... marginally legal and ethical passive income schemes, that serve to generate that income mostly for their promoters, can feel like a...
Home on Erik...
State drift I generally haven't written much about software architecture. People make heuristics into religion....
over a year ago
4
over a year ago
I generally haven't written much about software architecture. People make heuristics into religion. But here is something I thought about: how to build in self-correction into systems. This has been something just vaguely sitting in my head lacking a clear conceptual definition...
Home on Erik...
Mortality statistics and Sweden's "dry tinder" effect We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”....
over a year ago
2
over a year ago
We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”. But I read something about COVID-19 deaths that I thought was interesting and wanted to see if I could replicated it through data.
Notes on software...
Writing a SQL database from scratch in Go: 2. binary expressions and WHERE filters Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a...
over a year ago
4
over a year ago
Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a database/sql driver In this post, we'll extend gosql to support binary expressions and very simple filtering on SELECT results via WHERE. We'll introduce a general mechanism...
./techtipsy
techtipsy, now hosted on k-space! This site is now hosted on infrastructure provided by k-space, a friendly hackerspace in Tallinn,...
a year ago
61
a year ago
This site is now hosted on infrastructure provided by k-space, a friendly hackerspace in Tallinn, Estonia. If you’ve been reading any of my previous posts, you might be wondering why I made that move, especially since I was quite proud of hosting my website over a residential...
Arduino Blog
UNO Rev3 or UNO R4? Choosing the perfect Arduino for your project The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family...
2 weeks ago
19
2 weeks ago
The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family gained a powerful new member. But with two incredible options, which UNO should you pick for your project? Here’s a breakdown of what makes each board shine, depending on your needs,...
Push to Prod
When Things Are Slow, Look for Queues When your system is slower than desired, queues are often heavily involved. Here's an overview of...
4 months ago
6
4 months ago
When your system is slower than desired, queues are often heavily involved. Here's an overview of the most common situations.
Matt Blewitt
So, You Want To Build A DBaaS Part 2: Technical Bits In my first post in this pseudo-series, we covered more of the theory and organisational practices...
a year ago
2
a year ago
In my first post in this pseudo-series, we covered more of the theory and organisational practices around building and operating a database-as-a-service platform. In this post, I’ll cover some of the more technical aspects of this that I think are worth considering, drawn from my...
Arduino Blog
KiPneu makes soft robotic biomimetics accessible to STEAM students Biomimicry, which is a method for developing new technology inspired by nature, has been one of...
6 months ago
46
6 months ago
Biomimicry, which is a method for developing new technology inspired by nature, has been one of humanity’s greatest assets. But systems reliant on soft tissue, such as an octopus’s tentacles, have been notoriously difficult to reproduce in the robotics world. To give STEAM...
Old Vintage...
The Hall SC-VGA-2 video processor, the Atari ST and NeXTSTEP: more tales of the unscreenshotable A periodic fascination on this blog is figuring out better ways to get better screenshots of our...
a month ago
32
a month ago
A periodic fascination on this blog is figuring out better ways to get better screenshots of our classic systems, which often hail from the Wild Wild West/East in terms of video standards (read all entries in this series). Naturally the best way is a bitwise direct grab of the...
Jonas Hietala
Bitcoin's security isn't binary I’d like to address a misconception that’s at the core in many Bitcoin discussions lately: Bitcoin’s...
over a year ago
5
over a year ago
I’d like to address a misconception that’s at the core in many Bitcoin discussions lately: Bitcoin’s security isn’t binary. In fact security in general isn’t black and white. It’s a trade-off being secure enough for your threat model vs the cost and feasibility of your...
Gwern.net Newsletter
April 2021 newsletter with links on AI scaling, particular new East Asian record-breaking work & deep reinforcement...
over a year ago
5
over a year ago
with links on AI scaling, particular new East Asian record-breaking work & deep reinforcement learning.
Home on Erik...
Looking for smart people I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small...
over a year ago
5
over a year ago
I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small startup called Better. We're going after one of the biggest industries in the world that also turns out to be completely broken.
Arduino Blog
You can now run Arduino and MicroPython side-by-side on multi-core microcontrollers We’re excited to announce a powerful new feature that we have been working on in collaboration with...
7 months ago
82
7 months ago
We’re excited to announce a powerful new feature that we have been working on in collaboration with the MicroPython team!  Starting with the upcoming release (v1.23), MicroPython will offer support for Asymmetric Multiprocessing (AMP) on multi-core microcontrollers, based on the...
Birchtree
OpenAI is early Googling late-stage Google Chuck W. Nelson: Google's Search Results Are Infested, and Open AI Is Using Google's Playbook From...
a week ago
19
a week ago
Chuck W. Nelson: Google's Search Results Are Infested, and Open AI Is Using Google's Playbook From the 2000s In order for Google to keep its crown, it needs to remember what it was in the 2000s and a bit of luck. Seeing Google grow from the
Ken Shirriff's blog
Reverse engineering the 59-pound printer onboard the Space Shuttle The Space Shuttle contained a bulky printer so the astronauts could receive procedures, mission...
5 months ago
5
5 months ago
The Space Shuttle contained a bulky printer so the astronauts could receive procedures, mission plans, weather reports, crew activity plans, and other documents. Needed for the first Shuttle launch in 1981, this printer was designed in just 7 months, built around an Army...
Arduino Blog
Enjoy a perpetual solar eclipse with this machine Total solar eclipses are rare — at least from the perspective of any specific point on the planet. A...
6 months ago
51
6 months ago
Total solar eclipses are rare — at least from the perspective of any specific point on the planet. A total eclipse will occur somewhere on Earth once every 18 months or so, but that is more likely to track across the middle of the Pacific Ocean than wherever you happen to be....
./techtipsy
Lenovo ThinkPad P14s gen 4 (AMD): it doesn't suck under Linux I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop...
8 months ago
103
8 months ago
I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop recently, and it was horrible. But this time I’m pleasantly surprised. The Lenovo ThinkPad P14s gen 4 has great specs: CPU: AMD Ryzen 7 PRO 7840U (8 cores, 16 threads, up to 5.1 GHz) GPU:...
Computer Ads from...
Vote for the Topic of the February 2024 Plus Post If you are a paid subscriber, voting is open for one week
11 months ago
Vitalik Buterin's...
Fast Fourier Transforms
over a year ago
Jonas Hietala
Ludum Dare 22 Timelapse Here’s the timelapse for my entry to Ludum Dare 22,...
over a year ago
6
over a year ago
Here’s the timelapse for my entry to Ludum Dare 22, Sat-E. https://www.youtube.com/watch?v=eoKDyhxCVm0 This time I managed to record one screen every minute, which is very suboptimal to say the least but I slowed it down a bit so you can at least see something being done there.
Notes on software...
Picking up volleyball in NYC with Goodrec and New York Urban I was so intimidated to go at first, but it is in fact easy and fun to start playing beginner...
a week ago
22
a week ago
I was so intimidated to go at first, but it is in fact easy and fun to start playing beginner volleyball in New York. The people are so friendly and welcoming that it has been easy to keep playing consistently every week since I started for the first time this August. It's been a...
./techtipsy
Quest towards energy efficiency part 1: the water heater While listening to the SelfHosted podcast, one of the hosts brought up their peculiar...
over a year ago
33
over a year ago
While listening to the SelfHosted podcast, one of the hosts brought up their peculiar living arrangement multiple times. Essentially, he and his family are living in an RV that runs off of batteries, has solar panels, utilizes Home Assistant for automation, supports multiple...
detreville
But why "detreville"? (But why not?)
a year ago
Home on Erik...
How to hire smarter than the market: a toy model Let's consider a toy model where you're hiring for two things and that those are equally valuable....
over a year ago
5
over a year ago
Let's consider a toy model where you're hiring for two things and that those are equally valuable. It's not very important what those are, so let's just call them “thing A” and “thing B” for now.
computers are bad
2024-09-14 the national warning system Previously on Deep Space Nine, we discussed the extensive and variable products that AT&T and...
3 months ago
45
3 months ago
Previously on Deep Space Nine, we discussed the extensive and variable products that AT&T and telephone operating companies sold as private lines. One of the interesting properties of private line systems is that they can be ordered as four-wire. Internally, the telephone network...
Willem's Blog
Space travelling from El Teide On Tenerife you'll find Teide, the world's second highest volcano with extra terestial views and a...
over a year ago
5
over a year ago
On Tenerife you'll find Teide, the world's second highest volcano with extra terestial views and a perfect altitude for stargazing.
Arduino Blog
Technology meets creativity in two interactive art student projects Art and engineering are not separate concepts. There is a great deal of overlap between the two and...
2 months ago
36
2 months ago
Art and engineering are not separate concepts. There is a great deal of overlap between the two and many modern disciplines increasingly blur those lines. Mónica Riki is an “electronic artist and creative coder” who embodies that idea: you might remember her and her incredible...
computers are bad
2023-06-07 something up there - nasa and uaps A brief note on Grusch First, a disclaimer of sorts: I am posting another article on UAPs, yet I...
a year ago
64
a year ago
A brief note on Grusch First, a disclaimer of sorts: I am posting another article on UAPs, yet I am not addressing the recent claims by David Grusch. This is for a couple of reasons. First, I am skeptical of Grusch. He is not the first seemingly well-positioned former...
anderegg.ca
Trying out GoodLinks The weeks leading up to the holidays have been hectic. I’m behind on “internet stuff” since entering...
a week ago
29
a week ago
The weeks leading up to the holidays have been hectic. I’m behind on “internet stuff” since entering Christmas-mode, and have been looking for a better way to capture things I want to look at later. I’ve had this issue before, but solved it in an ad-hoc way. Previously I’d made...
Vitalik Buterin's...
The Three Transitions
a year ago
Willem's Blog
Talking tablets: what makes a great tablet? Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be...
over a year ago
4
over a year ago
Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be your main computer?
Notes on software...
Intercepting and modifying Linux system calls with ptrace How software fails is interesting. But real-world errors can be infrequent to manifest....
a year ago
7
a year ago
How software fails is interesting. But real-world errors can be infrequent to manifest. Fault injection is a formal-sounding term that just means: trying to explicitly trigger errors in the hopes of discovering bad logic, typically during automated tests. Jepsen and ChaosMonkey...
Arduino Blog
A new Plug and Make Kit challenge! A game of rhythm and creativity The Arduino Plug and Make Kit is all about unleashing creativity while simplifying the process of...
3 weeks ago
12
3 weeks ago
The Arduino Plug and Make Kit is all about unleashing creativity while simplifying the process of turning ideas into reality. It enables everyone to focus on the fun of creating with the power of the UNO R4 WiFi and a user-friendly, modular design – bypassing the complexities of...
Home on Erik...
Tumblr's awesome project names Not sure how I managed to miss this, but I'm watching this Tumblr presentation and they talk about...
over a year ago
5
over a year ago
Not sure how I managed to miss this, but I'm watching this Tumblr presentation and they talk about their projects named after Arrested Development topics: Gob, Parmesan, Buster, Jetpants, Oscar, George and Motherboy. Still, the best software project name is probably still Apple's...
Home on Erik...
More Luigi! Elias Freider just talked about Luigi at PyData 2013: The presentation above is much better than one...
over a year ago
6
over a year ago
Elias Freider just talked about Luigi at PyData 2013: The presentation above is much better than one I put together a few weeks ago. In case anyone is interested I'll include it too:
Jonas Hietala
Plans for Summer of Code My first summer job is now over, and after a weekend of rest, it is now time to plan for my second...
over a year ago
6
over a year ago
My first summer job is now over, and after a weekend of rest, it is now time to plan for my second summer job: IDA Summer of Code. I will work a month, or 4 weeks, with contributing to rust! The only issue is, I have no idea where to start. I didn’t have a strict plan or a vision...
Louwrentius
Howto get the hard disk size under Linux? A: There is no single tool for this job, but it seems that Fdisk is just fine: server:~# fdisk -l 2>...
over a year ago
4
over a year ago
A: There is no single tool for this job, but it seems that Fdisk is just fine: server:~# fdisk -l 2> /dev/null | grep Disk | grep -v identifier Disk /dev/sda: 500.0 GB, 500028145664 bytes Disk /dev/sdb: 500.0 GB, 500028145664 bytes Disk /dev/sdc: 1000.1 GB, 1000123400192...
Good Enough
Season 1, Issue 3: Fool Me Three Times This will be a short one. Barry’s summer vacation has started, and Shawn is deflated after the...
over a year ago
4
over a year ago
This will be a short one. Barry’s summer vacation has started, and Shawn is deflated after the Warr…iors... sob… It’s just one game, right? 1. No One Likes a Giveaway Who doesn’t love a good pickle? Well that didn’t happen. There were no entries to last week’s giveaway. If you...
Vitalik Buterin's...
The different types of ZK-EVMs
over a year ago
Louwrentius
FreeBSD 10.1 unattended install over PXE & HTTP (no NFS) To gain some more experience with FreeBSD, I decided to make a PXE-based unattended installation of...
over a year ago
5
over a year ago
To gain some more experience with FreeBSD, I decided to make a PXE-based unattended installation of FreeBSD 10.1. My goal is to set something up similar to Debian/Ubuntu + preseeding or Redhat/CentOS + kickstart. Getting a PXE-based unattended installation of FreeBSD 10.1 was...
Good Enough
My Tears of the Kingdom Addiction I don’t know how big my internet social bubble really is, but it feels like everyone in the world...
a year ago
4
a year ago
I don’t know how big my internet social bubble really is, but it feels like everyone in the world that bubble has been playing a lot of The Legend of Zelda: Tears of the Kingdom lately. Me included! It’s amazing, and I’m thoroughly engrossed—I think I’ve stayed up playing until...
GitButler
The Future of Open Source A GitHub founder's musings on the past, present and future of large groups of people collaborating...
5 months ago
5
5 months ago
A GitHub founder's musings on the past, present and future of large groups of people collaborating on software in awesome ways.
Notes on software...
Standard ML in 2020 Incredibly, Standard ML implementations are still actively developed. MLton, Poly/ML, MLKit, SML#...
over a year ago
6
over a year ago
Incredibly, Standard ML implementations are still actively developed. MLton, Poly/ML, MLKit, SML# and SML/NJ are the most prominent. Discussion on the future direction of Standard ML remains healthy as well. And somehow OCaml's lesser known cousin still beats out OCaml...
Louwrentius
71 TiB DIY NAS based on ZFS on Linux This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB...
over a year ago
3
over a year ago
This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB NAS (17 TiB). With a storage capacity four times higher than the original and an incredible read (2.5 GB/s)/write (1.9 GB/s) performance, it's a worthy successor. Purpose The...
Vitalik Buterin's...
Blockchain voting is overrated among uninformed people but underrated among informed people
over a year ago
Notes on software...
Benchmarking esbuild, swc, tsc, and babel for React/JSX projects This is an external post of mine. Click here if you are not redirected.
over a year ago
Lighthouse Blog
Updates April 12
9 months ago
Ken Shirriff's blog
Inside the tiny chip that powers Montreal subway tickets To use the Montreal subway (the Métro), you tap a paper ticket against the turnstile and it...
6 months ago
4
6 months ago
To use the Montreal subway (the Métro), you tap a paper ticket against the turnstile and it opens. The ticket works through a system called NFC, but what's happening internally? How does the ticket work without a battery? How does it communicate with the turnstile? And how can it...
Louwrentius
An ode to the 10,000 RPM Western Digital (Veloci)Raptor Introduction Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at...
over a year ago
4
over a year ago
Introduction Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at the Kinkerstraat in Amsterdam. I was there to buy a Western Digital Raptor model WD740, with 74 GB of capacity, running at 10,000 RPM. When I bought this drive, we were still in...
Arduino Blog
Adding voice commands to a LEGO planetarium set with an Arduino Nano 33 IoT From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning...
5 months ago
38
5 months ago
From Mindstorms to Technic, LEGO has produced a wide variety of sets that give users new learning and creative experiences, and for Electromaker’s Robin Mitchell, this was the LEGO planetarium set. With it, rotational input will cause the Earth and moon models to orbit around the...
Vitalik Buterin's...
Two thought experiments to evaluate automated stablecoins
over a year ago
Louwrentius
RAID 5 is perfectly fine for home usage RAID 5 gets a lot of flak these days. You either run RAID 1, RAID 10 or you use RAID 6, but if you...
over a year ago
4
over a year ago
RAID 5 gets a lot of flak these days. You either run RAID 1, RAID 10 or you use RAID 6, but if you run RAID 5 you're told that you are a crazy person. Using RAID 5 is portrayed as an unreasonable risk to the availability of your data. It is suggested that it is likely that you...
Neil Madden
Macaroon access tokens for OAuth: Part 2 – transactional auth In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a...
over a year ago
6
over a year ago
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a lightweight and easy-to-deploy alternative to proof of possession (PoP) schemes for securing tokens in browser-based apps. The same techniques can be adapted to secure tokens in...
Home on Erik...
On the Equifax breach and how to really prevent identity theft A funny thing about being a foreigner is how you realize people take broken things for granted. I'm...
over a year ago
4
over a year ago
A funny thing about being a foreigner is how you realize people take broken things for granted. I'm going to go out on a limb here claiming that the US has a pretty dumb banking system.
Arduino Blog
Use sound to trigger your camera’s flash with this DIY device In the world of photography, the exposure triangle is immutable. To get a properly exposed photo...
2 months ago
26
2 months ago
In the world of photography, the exposure triangle is immutable. To get a properly exposed photo (not too bright or too dark), you need a balance of aperture size (how much light gets in), shutter speed (how long the light gets in), and ISO (sensitivity to light at the expense of...
Home on Erik...
Detecting corporate fraud using Benford's law Note: This is a silly application. Don't take anything seriously. Benford's law describes a...
over a year ago
4
over a year ago
Note: This is a silly application. Don't take anything seriously. Benford's law describes a phenomenon where numbers in any data series will exhibit patterns in their first digit. For instance, if you took a list of the 1,000 longest rivers of Mongolia, or the average daily...
Notes on software...
Make your own way Over the years, I have repeatedly felt like I missed the timing for a meetup or an IRC group or...
a year ago
5
a year ago
Over the years, I have repeatedly felt like I missed the timing for a meetup or an IRC group or social media in general. I'd go to a meetup every so often but I'd never make a meaningful connection with people, whereas everyone else knew each other. I'd join an IRC group and...
Home on Erik...
Business secrets from terrible people I get bored reading management books very easily and lately I've been reading about a wide range of...
over a year ago
4
over a year ago
I get bored reading management books very easily and lately I've been reading about a wide range of almost arbitrary topics. One of the lenses I tend to read through is to see different management styles in different environments.
Home on Erik...
We're hiring at Better Just a quick note that my team is always hiring at Better. A lot of new people have been joining the...
over a year ago
4
over a year ago
Just a quick note that my team is always hiring at Better. A lot of new people have been joining the team here in NYC lately—the tech team has actually grown from 35 to 60 in just ~3 months.
computers are bad
2023-04-30 los alamos - compound to county pt II Where we left off, Los Alamos had become a county, but the town itself continued to be directly...
a year ago
69
a year ago
Where we left off, Los Alamos had become a county, but the town itself continued to be directly administered by the Atomic Energy Commission (AEC). The Atomic Energy Communities Act (AECA) mandated the AEC to dispose of the towns it owned by transferring the property to private...
Vitalik Buterin's...
7ème tour des subventions Gitcoin - Rétrospective
over a year ago
Arduino Blog
Speed up your project’s compile time by up to 50% in Arduino Cloud! At Arduino, we know how precious your time is when you’re building your next big project or...
3 weeks ago
12
3 weeks ago
At Arduino, we know how precious your time is when you’re building your next big project or experimenting with new ideas. That’s why we’re thrilled to introduce a game-changing update to the Cloud Editor Builder — the engine behind compiling your sketches in Arduino Cloud. This...
Jonas Hietala
Faster than Light So I returned to Faster than Light again this weekend, this time for real. I bought it when it came...
over a year ago
5
over a year ago
So I returned to Faster than Light again this weekend, this time for real. I bought it when it came out and I played it only in passing, but this weekend I played it a ton. Aaahh a new beginning in FTL. Will it be death once more I generally don’t like games where you have to...
Abort Retry Fail
Housekeeping for 20240701 Another correction
6 months ago
Ken Shirriff's blog
Reverse engineering CMOS, illustrated with a vintage Soviet counter chip I recently came across an interesting die photo of a Soviet1 chip, probably designed in the...
11 months ago
6
11 months ago
I recently came across an interesting die photo of a Soviet1 chip, probably designed in the 1970s. This article provides an introductory guide to reverse-engineering CMOS circuits, using this chip as an example. Although the chip looks like a tangle of lines at first, its large...
Home on Erik...
Lessons from content marketing myself (aka blogging) for five years I started writing this blog in late 2012, partly because I felt like it would help me improve my...
over a year ago
4
over a year ago
I started writing this blog in late 2012, partly because I felt like it would help me improve my English and my writing skills, partly because I kept having a lot of random ideas in my head and I wanted to write them down somewhere.
csvbase blog
Being on The Semantic Web is easy, and, frankly, well worth the bother Web 3.0 was not about the blockchain, thank god
4 months ago
Vitalik Buterin's...
Some personal user experiences
a year ago
Good Enough
TIL: Merge nested attributes in Rails permit params I am working on a new product that's a bit more complicated than our prior releases. Getting...
a year ago
5
a year ago
I am working on a new product that's a bit more complicated than our prior releases. Getting refamiliarized with nested parameters in Rails has been interesting. In this case imagine I have a discussion that, when creating it I also want to create the first comment. The...
Applied Cartography
Always use an enum for your status field When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now...
3 months ago
4
3 months ago
When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now — I was thrilled by the concept of an "architecture review", and by extension the concept of a "Principal Engineer" (Amazon's term for a staff-level engineer, someone beyond...
computers are bad
2023-07-10 the tragedy of beatrice foods Occasionally, research into the history of telephony takes you into some strange places. There are...
a year ago
70
a year ago
Occasionally, research into the history of telephony takes you into some strange places. There are conspiracy theories, of course, and there are people who insist on their version of events so incessantly that details of dates and places can become heated arguments. There is also...
computers are bad
2023-05-07 electrical characteristics of telephone lines Let's take a break from our boring topic of regional history to focus instead on an even more boring...
a year ago
62
a year ago
Let's take a break from our boring topic of regional history to focus instead on an even more boring topic: implementation details of telephone lines. The conventional "copper pair" analog telephone line is fading away. The FCC has begun to authorize abandonment of copper outside...
Birchtree
When do the Trump flags come down? (members post) The flags are still flying, celebrating the man, not the country. Why is this something that happens...
3 weeks ago
9
3 weeks ago
The flags are still flying, celebrating the man, not the country. Why is this something that happens now, and why is it something only happening on one end of the political spectrum?
Vitalik Buterin's...
收入-邪恶曲线:思考“公共物品融资优先”的另一种方式
over a year ago
Home on Erik...
How to build up a data team (everything I ever learned about recruiting) During my time at Spotify, I've reviewed thousands of resumes and interviewed hundreds of people....
over a year ago
7
over a year ago
During my time at Spotify, I've reviewed thousands of resumes and interviewed hundreds of people. Lots of them were rejected but lots of them also got offers. Finally, I've also had my share of offers rejected by the candidate.
Home on Erik...
Optimizing things: everything is a proxy for a proxy for a proxy Say you build a machine learning model, like a movie recommender system. You need to optimize for...
over a year ago
4
over a year ago
Say you build a machine learning model, like a movie recommender system. You need to optimize for something. You have 1-5 stars as ratings so let's optimize for mean squared error. Great. Then let's say you build a new model.
./techtipsy
Anything's a portable speaker if you're brave enough I hate buying things that are single-purpose, which is why I ended up with this setup. Take a...
over a year ago
59
over a year ago
I hate buying things that are single-purpose, which is why I ended up with this setup. Take a speaker, a battery, put them together, and what you now have is a portable speaker. Since I had access to both, I felt no need to buy a separate portable speaker for use in social...
Jonas Hietala
Let's build a VORON: Wrap-up It’s finally done™. I’ve built a VORON that prints reliably and I’ve modded it enough to be able to...
10 months ago
6
10 months ago
It’s finally done™. I’ve built a VORON that prints reliably and I’ve modded it enough to be able to leave it alone for a while, so I think it’s time to wrap up this build series with a little retrospective. Building the printer was really fun and rewarding I’ve always seen...
Old Vintage...
Ward Christensen dies There was initially some issue verifying this, but there appears to be direct confirmation now that...
2 months ago
37
2 months ago
There was initially some issue verifying this, but there appears to be direct confirmation now that Ward Christensen passed away October 11 at the age of 78, co-founder of the pioneering Computerized Bulletin Board System in February 1978 with Randy Suess — now believed to be the...
Jonas Hietala
Before the Games: The Site I’ve got some things I want to do before I start with my next game and they’re all about improving...
over a year ago
5
over a year ago
I’ve got some things I want to do before I start with my next game and they’re all about improving the site. The last week or so has been extremely productive with me throwing out a lot of wasted code, speeding up the site and adding/removing features and I want to continue with...
Posts on Made of...
Write testable code by writing generic code Alex Gaynor recently asked this question in an IRC channel I hang out in (a channel which contains...
over a year ago
6
over a year ago
Alex Gaynor recently asked this question in an IRC channel I hang out in (a channel which contains several software engineers nearly as obsessed with software testing as I am): uhh, so I’m writing some code to handle an econnreset… how do I test this? This is a good question!...
Posts on Made of...
Stripe's monorepo developer environment I worked at Stripe for about seven years, from 2012 to 2019. Over that time, I used and contributed...
7 months ago
5
7 months ago
I worked at Stripe for about seven years, from 2012 to 2019. Over that time, I used and contributed to many generations of Stripe’s developer environment – the tools that engineers used daily to write and test code. I think Stripe did a pretty good job designing and building that...
Abort Retry Fail
The History of Windows 95 The Dawn of Microsoft's Golden Age
a year ago
Jonas Hietala
Building my ultimate keyboard The Cybershard keyboard. What comes to mind when you see the description “the ultimate...
a month ago
12
a month ago
The Cybershard keyboard. What comes to mind when you see the description “the ultimate keyboard”? There are many keyboards in this world; here are some that might fit the “ultimate” moniker: Das Keyboard 4 Ultimate mechanical keyboard DataHand Ergodox EZ Glove80 Happy...
Notes on software...
1 million page views I was delighted to notice this morning that this site has recently passed 1M page views. And since...
a month ago
12
a month ago
I was delighted to notice this morning that this site has recently passed 1M page views. And since Murat wrote about his 1M page view accomplishment at the time, I felt compelled to now too. I started regularly blogging in 2018. For some reason I decided to write a blog post...
Arduino Blog
This rolling ball game brings Skee-Ball-style fun from the arcade to your home Ask your friends about their favorite games at the arcade and the most common answer will likely be...
6 months ago
80
6 months ago
Ask your friends about their favorite games at the arcade and the most common answer will likely be Skee-Ball. But while many other popular arcade games have viable at-home alternatives, Skee-Ball doesn’t — at least not unless you’re willing to spend a serious amount of money....
Neil Madden
When a KEM is not enough In my previous post, I described the KEM/DEM paradigm for hybrid encryption. The key encapsulation...
over a year ago
5
over a year ago
In my previous post, I described the KEM/DEM paradigm for hybrid encryption. The key encapsulation mechanism is given the recipient’s public key and outputs a fresh AES key and an encapsulation of that key that the recipient can decapsulate to recover the AES key. In this post I...
axio.ms
32-bit hat, with LEDs Built in November 2015 (now-traditional multi-year writeup delay applied) A hat,...
over a year ago
6
over a year ago
Built in November 2015 (now-traditional multi-year writeup delay applied) A hat, bejewelled with 38 RGB LEDs Is this thing on..? It’s been a while since I’ve written one of these. So, the hat. It’s been on the writeup pile for almost 6 years, nagging away. Finally...
Applied Cartography
PSA: mess around with Keystatic We've been using Keystatic in Buttondown for around six months now: we migrated most of the content...
9 months ago
7
9 months ago
We've been using Keystatic in Buttondown for around six months now: we migrated most of the content on the marketing site (which is backed by Next) from MDX onto Keystatic, and were so happy with the experience that the upcoming rebuild of the docs site will be featuring...
Home on Erik...
Waiting time, load factor, and queueing theory: why you need to cut your systems a bit of slack I've been reading up on operations research lately, including queueing theory. It started out as a...
over a year ago
9
over a year ago
I've been reading up on operations research lately, including queueing theory. It started out as a way to understand the very complex mortgage process (I work at a mortgage startup) but it's turned into my little hammer and now I see nails everywhere.
Home on Erik...
σ-driven project management: when is the optimal time to give up? Hi! It's your friendly project management theorician. You might remember me from blog posts such as...
over a year ago
6
over a year ago
Hi! It's your friendly project management theorician. You might remember me from blog posts such as Why software projects take longer than you think, which is a blog post I wrote a long time ago positing that software projects completion time follow a log-normal distribution.
Notes on software...
RFCs and asynchronous-first culture I hated writing documentation before working on features. But after a while I realized I couldn't...
over a year ago
6
over a year ago
I hated writing documentation before working on features. But after a while I realized I couldn't communicate well enough, even with folks I had a good connection with. It took me a number of mistaken deliveries to get the message. Sketches and mockups Designers solve this by...
latest projects -...
Talking Tines [Concept] Tuning forks that talk
6 months ago
Electronics etc…
Remote Controlling an HP 1670G Logic Analyzer with a Linux PC X Server Introduction Reserving a fixed IP address for the logic analyzer Assign the chosen IP address to the...
a year ago
80
a year ago
Introduction Reserving a fixed IP address for the logic analyzer Assign the chosen IP address to the logic analyzer Allow the logic analyzer to access your Ubuntu X server Configure the X-window Settings on the logic analyzer Install and declare the HP logic analyzer font...
Good Enough
TIL: Easily Support Gravatars in Rails We’re building some software where we’d like to display avatars for email contacts even if they...
10 months ago
6
10 months ago
We’re building some software where we’d like to display avatars for email contacts even if they aren’t users of our software. While Gravatar is a relic of Web 2.0, we’ve found that there are still a significant number of people who have their email addresses in that...
Louwrentius
Why I bought a digital projector (Panasonic PT-AT5000E) I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or...
over a year ago
5
over a year ago
I don't have a TV. I haven't been watching TV for more than 10 years. But I love to watch movies or great series like Dexter and Game of Thrones. Until recently, I watched movies or series on my 27" iMac. Twenty-seven inch is large for a computer screen but for a TV, it's quite...
Posts on Made of...
Why the Sorbet typechecker is fast This is the second in an indefinite series of posts about things that I think went well in the...
over a year ago
4
over a year ago
This is the second in an indefinite series of posts about things that I think went well in the Sorbet project. The previous one covered our testing approach. Sorbet is fast. Numerous of our early users commented specifically on how fast it was, and how much they appreciated this...
Vitalik Buterin's...
Deeper dive on cross-L2 reading for wallets and other use cases
a year ago
Home on Erik...
Some more font links My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site...
over a year ago
4
over a year ago
My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site while I was sleeping, and then obviously vanished from HN before I woke up. But it also got retweeted by a ton of people.
Simply Explained
Good Home Automation Should be Boring I'm a huge fan of Home Assistant to automate various things around the house. I often look at other...
over a year ago
4
over a year ago
I'm a huge fan of Home Assistant to automate various things around the house. I often look at other people's setup for inspiration, and one thing struck me. Many people have cluttered dashboards and use Home Assistant to track just about any metric they can.That's quite different...
Home on Erik...
Snakebite Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie....
over a year ago
7
over a year ago
Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie. It's a super fast tool to access HDFS over CLI/Python, by accessing the namenode directly over sockets/protobuf. Spotify's developer blog features a nice blog post outlining what...
Louwrentius
The ZFS Event Daemon on Linux If something goes wrong with my zpool, I'd like to be notified by email. On Linux using MDADM, the...
over a year ago
5
over a year ago
If something goes wrong with my zpool, I'd like to be notified by email. On Linux using MDADM, the MDADM daemon took care of that. With the release of ZoL 0.6.3, a brand new 'ZFS Event Daemon' or ZED has been introduced. I could not find much information about it, so consider...
Home on Erik...
A neat little trick with time decay Something that pops up pretty frequently is to implement time decay, especially where you have...
over a year ago
4
over a year ago
Something that pops up pretty frequently is to implement time decay, especially where you have recursive chains of jobs. For instance, say you want to keep track of a popularity score. You calculate today's output by reading yesterday's output, discounting it by $$ exp(-lambda...
Applied Cartography
Using Cursor to port Django tests to pytest When it comes to AI tooling, I am equal parts optimist and cynic. I have no moral qualm with using...
4 months ago
6
4 months ago
When it comes to AI tooling, I am equal parts optimist and cynic. I have no moral qualm with using these tools (Supermaven is a pretty heavy part of my day-to-day work), but have found most tools quite bad by the metric of "do they make me more productive on Buttondown's code...
Jonas Hietala
Doing some online Personality tests For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own...
over a year ago
7
over a year ago
For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own curiosity. The Braverman Test Inspired by Charles Poliquin’s visit on The Tim Ferriss Show I tried out the Braverman test to determine my neurotransmitter type. The point Charles...
Arduino Blog
Two NEW Arduino Plug and Make Kit projects recreate iconic vintage games The Plug and Make Kit is a toolbox you can use for infinite ideas. So what happens if you ask a mix...
3 months ago
42
3 months ago
The Plug and Make Kit is a toolbox you can use for infinite ideas. So what happens if you ask a mix of Arduino designers, engineers, and managers to sit down and brainstorm new ideas to have fun with it? Well, at least one of them is guaranteed to come up with an adorable,...
Style over Substance
Create a Hue-compatible DIY LED light sculpture Learn how to create your own Hue compatible LED light sculpture, inspired by by the REFLEKTION art,...
over a year ago
59
over a year ago
Learn how to create your own Hue compatible LED light sculpture, inspired by by the REFLEKTION art, using cheap LED strips and DIY parts you can order online. The post Create a Hue-compatible DIY LED light sculpture appeared first on Style over Substance.
Jonas Hietala
Why make games Why did I start making games? Because I like to play them of course. Think of all the fantastic...
over a year ago
4
over a year ago
Why did I start making games? Because I like to play them of course. Think of all the fantastic games; Super Mario, Lemmings, Tetris, GTA, The Sims, Counterstrike, Theme Hospital, SimCity and Rollercoaster Tycoon… Damn - when you count them like this you’ll see how many great...
Matt Blewitt
Building a PostgreSQL Extension, Line by Line I’ve been working on a particular problem - how to offer logical replication for a very large number...
6 months ago
5
6 months ago
I’ve been working on a particular problem - how to offer logical replication for a very large number of Postgres databases, where I don’t have the ability (or capacity) to liaise with the users of the databases one-to-one. In order to mitigate some of the limitations, I wanted to...
Yazin Alirhayim
How do you know that an API does what it says it does? Having been in fintech for a while, I’ve noticed something in common between the many new startups...
over a year ago
4
over a year ago
Having been in fintech for a while, I’ve noticed something in common between the many new startups that come and go. They all require access to personal information. A specific example that comes to mind is the Plaid-like solution we developed while working on amal. We’d ask...
Jonas Hietala
A Four-Eyed Update Wow it’s been a while! Almost a month and a half since my last update. There I complained about my...
over a year ago
4
over a year ago
Wow it’s been a while! Almost a month and a half since my last update. There I complained about my almost constant headaches which hampered me a lot actually. Luckily now I have joined the rank of cool. I took home three frames I think and tried them out and I settled some I...
Applied Cartography
Applied Cartography × People & Blogs There are few pleasures greater than getting to be profiled for an interview series that you've been...
2 months ago
8
2 months ago
There are few pleasures greater than getting to be profiled for an interview series that you've been reading for months, and last week I got to do exactly that. To browse Manu's site — not just this interview series — feels a bit like walking on a quiet beach in autumn: there's a...
Odds and Ends of...
WATCH: Talking trains with Jonn Elledge! The new Overground names, why the north always loses out, and more!
a month ago
seangoedecke.com RSS...
Avoiding worry driven development Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a...
over a year ago
7
over a year ago
Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a lack of technical skill. Engineers…
anderegg.ca
Using WordPress is risky It’s been a couple of weeks since I last wrote about WordPress. Stuff’s been happening in the...
2 months ago
8
2 months ago
It’s been a couple of weeks since I last wrote about WordPress. Stuff’s been happening in the background, but I’ve been trying to ignore it. This morning I read a story that bothered me enough to require another round of therapy-by-blog-post. First up, a couple of things that...
Simply Explained
Multitasking on ESP32 with Arduino and FreeRTOS By now, it's no secret that the ESP32 is my go-to chip for making IoT devices. They're small,...
over a year ago
4
over a year ago
By now, it's no secret that the ESP32 is my go-to chip for making IoT devices. They're small, powerful, have a ton of onboard features, and they're relatively easy to program.However, when using it together with Arduino, all your code runs on a single core. That seems a bit...
Vitalik Buterin's...
My 40-liter backpack travel guide
over a year ago
detreville
The IBM 701 "IBM's first computer"
a year ago
Louwrentius
Parallel / distributed password cracking with John the Ripper and MPI This article has been updated to reflect the changes for John version 1.7.8 as released in june...
over a year ago
5
over a year ago
This article has been updated to reflect the changes for John version 1.7.8 as released in june 2011. The most important change is the fact that MPI support is now integrated in the jumbo patch. The original John the Ripper off-line password cracker only uses a single processor...
detreville
Father's Day (First posted on Father's Day, 2022.)
a year ago
Vitalik Buterin's...
Situazioni di collusione
over a year ago
Notes on software...
Speeding up Go's builtin JSON encoder up to 55% for large arrays of objects This is an external post of mine. Click here if you are not redirected.
over a year ago
Jonas Hietala
2024 in review It’s time for my 15th yearly review. Nerdy things I enjoyed I read a lot of fantasy books this...
2 days ago
11
2 days ago
It’s time for my 15th yearly review. Nerdy things I enjoyed I read a lot of fantasy books this year! My favorite new series were The Kingkiller Chronicle, Gentlemen Bastards series, and The Stormlight Archive. If you’re curious about Sanderson’s books but a little apprehensive...
Jonas Hietala
We can build things! Finally we have some sort of progress! We can now build rooms and place and remove objects! Yay!!...
over a year ago
5
over a year ago
Finally we have some sort of progress! We can now build rooms and place and remove objects! Yay!! But we still haven’t even begun with the game logic, resource management, the actual mining mechanic, multiple levels, actual tasks for our workers. But it’s something.
Good Enough
How We Built Unique Social Preview Images for Pika One of the goals of Pika, the happy blogging software that we recently launched, is to help you find...
10 months ago
5
10 months ago
One of the goals of Pika, the happy blogging software that we recently launched, is to help you find your own place on the internet. Along with a nice place on the internet, when you share links to your blog we want them to represent your internet home, which you've likely taken...
Notes on software...
HTML event handler attributes: down the rabbit hole This is an external post of mine. Click here if you are not redirected.
over a year ago
Jonas Hietala
Postmortem: A Geek Valentine Ah man the mush in my brain is finally letting go and I’m starting to feel this tiny little...
over a year ago
5
over a year ago
Ah man the mush in my brain is finally letting go and I’m starting to feel this tiny little programming urge again… This time it’s not Haskell or a new experimental game that’s luring me on, no this time it’s me longing to create this fantastic awesome epic RTS game. Sadly it’s a...
Willem's Blog
Tips for Long-Distance Cycling Embark on your own long-distance cycling adventure by learning from my post-COVID...
a year ago
5
a year ago
Embark on your own long-distance cycling adventure by learning from my post-COVID Fietselfstedentocht experience, packed with invaluable tips and tricks.
Arduino Blog
Circuit Canvas can help you quickly create illustrated wiring diagrams Good documentation is extremely useful when conceiving, building, or sharing electronic circuit...
6 months ago
37
6 months ago
Good documentation is extremely useful when conceiving, building, or sharing electronic circuit designs, but traditional schematics and technical drawings are difficult for non-professionals to interpret and create. Makers can benefit from intuitive illustrations that look good...
./techtipsy
What changing the CPU on a laptop looks like This post illustrates something that is not common on modern laptops: changing the...
over a year ago
35
over a year ago
This post illustrates something that is not common on modern laptops: changing the CPU. Background One of the modifications that you can do to a ThinkPad T430 laptop is changing the CPU to a more powerful quad core model. That’s exactly what I did back in 2017, but due to the...
Odds and Ends of...
Book now! Where we're going, we need roads (and trains) My next in-person event/meet-up, with transport policy expert Michael Dnes!
a month ago
Avestura's Blog
Versioning microservices in GitLab monorepos and polyrepos What are some possible options to version projects for a microservices project in Gitlab?
over a year ago
GitButler
GitButler is joining the Open Source Pledge GitButler is joining the Open Source Pledge to help move towards a more sustainable open source...
4 months ago
anderegg.ca
Jet Lag: The Game: The Game Some fun news today from the creators of Jet Lag: The Game. They officially announced the next...
a month ago
10
a month ago
Some fun news today from the creators of Jet Lag: The Game. They officially announced the next season, and also a “home version” of the game. I’ve written about Jet Lag: The Game before, so you might want to start there if you don’t know what I’m talking about. On the latest...
Louwrentius
Understanding the Ubuntu 20.04 LTS Server Autoinstaller Introduction Ubuntu Server version 18.04 LTS uses the debian-installer (d-i) for the installation...
over a year ago
4
over a year ago
Introduction Ubuntu Server version 18.04 LTS uses the debian-installer (d-i) for the installation process. This includes support for 'preseeding' to create unattended (automated) installations of ubuntu. the debian installer With the introduction of Ubuntu Server 20.04 'Focal...
Home on Erik...
Scala Data Pipelines for Music Recommendations Chris Johnson‘s presentation from Data Day Texas:
over a year ago
On Life and Lisp
AAA gaming on Asahi Linux Gaming on Linux on M1 is here! We’re thrilled to release our Asahi game playing toolkit, which...
2 months ago
45
2 months ago
Gaming on Linux on M1 is here! We’re thrilled to release our Asahi game playing toolkit, which integrates our Vulkan 1.3 drivers with x86 emulation and Windows compatibility. Plus a bonus: conformant OpenCL 3.0. Asahi Linux now ships the only conformant OpenGL®, OpenCL™, and...
Notes on software...
An intuition for distributed consensus in OLTP systems Distributed consensus in transactional databases (e.g. etcd or Cockroach) is a big deal these days....
11 months ago
4
11 months ago
Distributed consensus in transactional databases (e.g. etcd or Cockroach) is a big deal these days. Most often under the hood are variations of log-based Paxos-like algorithms such as MultiPaxos, Viewstamped Replication, or Raft. While there are new variations that come out each...
Arduino Blog
DIY ECU controls Honda Insight’s Kubota diesel engine The Honda Insight was the first hybrid car released in North America and Honda put serious effort...
6 months ago
78
6 months ago
The Honda Insight was the first hybrid car released in North America and Honda put serious effort into making it as efficient as was practical at the time. That meant aerodynamic streamlining, which is why the first-generation Insight had very distinct covers over the rear...
Ken Shirriff's blog
Two interesting XOR circuits inside the Intel 386 processor Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a...
a year ago
4
a year ago
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a 32-bit processor but also switching to a CMOS implementation. I've been reverse-engineering parts of the 386 chip and came across two interesting and completely different circuits...
computers are bad
2024-04-26 microsoft at work I haven't written anything for a bit. I'm not apologizing, because y'all don't pay me enough to...
8 months ago
95
8 months ago
I haven't written anything for a bit. I'm not apologizing, because y'all don't pay me enough to apologize, but I do feel a little bad. Part of it is just that I've been busy, with work and travel and events. Part of it is that I've embarked on a couple of writing projects only to...
Willem's Blog
And... there is light! Discover how one cyclist's quest for the perfect lighting solution led to a custom installation of...
a year ago
4
a year ago
Discover how one cyclist's quest for the perfect lighting solution led to a custom installation of dynamo powered lights, ensuring a bright and hassle-free ride on the darkest roads.
Willem's Blog
Designing an interface for a food ordering page Designing a food ordering page is surprisingly challenging because of the many variables that need...
over a year ago
6
over a year ago
Designing a food ordering page is surprisingly challenging because of the many variables that need to be accommodated on a very small screen.
Jonas Hietala
September theme: Failure I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon...
over a year ago
4
over a year ago
I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon I hope and again I’m following Experimental Gameplay Project’s site. Let’s rock!!
Notes on software...
Exploring PL/pgSQL: Strings, arrays, recursion, and parsing JSON Next in exploring PL/pgSQL: Implementing a Forth-like interpreter PostgreSQL comes with a...
over a year ago
7
over a year ago
Next in exploring PL/pgSQL: Implementing a Forth-like interpreter PostgreSQL comes with a builtin imperative programming language called PL/pgSQL. I used to think this language was scary because it has a bit more adornment than your usual language does. But looking deeper,...
Vitalik Buterin's...
Exploring circle STARKs
5 months ago
Notes on software...
Exploring a Postgres query plan I learned this week that you can intercept and redirect Postgres query execution. You can hook into...
a year ago
5
a year ago
I learned this week that you can intercept and redirect Postgres query execution. You can hook into the execution layer so you're given a query plan and you get to decide what to do with it. What rows to return, if any, and where they come from. That's very interesting. So I...
Vitalik Buterin's...
STARKs, Part I: Proofs with Polynomials
over a year ago
Arduino Blog
Play rock-paper-scissors using a time-of-flight sensor and an Arduino UNO R4 Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with...
5 months ago
39
5 months ago
Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with friends, and when it comes to translating it into a digital format, many creative adaptations can be made. This version by madmcu forgoes the typical three-button input scheme in favor...
Jonas Hietala
Top ten activities that make me happy Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome....
over a year ago
5
over a year ago
Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome. It’s no more than a year old and feels very fresh compared to the old one. It’s also larger with an extra room, dishwasher (!) and closer to the city centrum and everything is...
Notes on software...
What's the big deal about key-value databases like FoundationDB and RocksDB? Let's assume you're familiar with basic SQL databases like PostgreSQL and MySQL, and document...
over a year ago
7
over a year ago
Let's assume you're familiar with basic SQL databases like PostgreSQL and MySQL, and document databases like MongoDB and Elasticsearch. You probably know Redis too. But you're hearing more and more about embedded key-value stores like RocksDB, LevelDB, PebbleDB, and so on....
Avestura's Blog
Problems of C, and how Zig addresses them What are the problems of C, and how Zig addresses them?
a year ago
Jonas Hietala
Focusing Attention: Drawing In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a...
over a year ago
4
over a year ago
In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a time, so now I’m going to try something new here. In the beginning of every week I’ll declare something I’ll be focusing on and then that’s the only thing I should focus on on my...
Home on Erik...
coin2dice Here's a problem that I used to give to candidates. I stopped using it seriously a long time ago...
over a year ago
4
over a year ago
Here's a problem that I used to give to candidates. I stopped using it seriously a long time ago since I don't believe in puzzles, but I think it's kind of fun. Let's say you have a function that simulates a random coin flip.
Arduino Blog
Marble art madness from a marvelous machine Marbles are underrated. They’re very round, roll well, tend to be pretty shiny, and come in all...
3 months ago
23
3 months ago
Marbles are underrated. They’re very round, roll well, tend to be pretty shiny, and come in all sorts of neat colors. That last characteristic makes them suitable for artwork, like orbicular pixels. In his most ambitious project to date, Engineezy took advantage of those...
Home on Erik...
Momentum and mean reversion might just be volatility bias The Economist just published an article called The best, the worst and the ugly. By looking at...
over a year ago
4
over a year ago
The Economist just published an article called The best, the worst and the ugly. By looking at historical performance for mutual funds, they find strong support for momentum and mean reversion. Picking the best or the worst fund over the previous five years gives great returns...
Azad's Blog
Apple Vision Pro—A Revolution for Home Video Formats Apple has always been at the forefront of home video with Apple TV (the device), iTunes Movies,...
3 months ago
5
3 months ago
Apple has always been at the forefront of home video with Apple TV (the device), iTunes Movies, Spatial Audio, and the vivid displays of iPhones, iPads, and Mac displays. With Apple Vision Pro, Apple is once again pushing the boundaries of the movie watching experience by...
Applied Cartography
Weird test: internal link checking I wrote last month about using weird tests. Here's another example: checking for broken internal...
8 months ago
7
8 months ago
I wrote last month about using weird tests. Here's another example: checking for broken internal links in our upcoming docsite redesign! const extractInternalLinks = (content: string): string[] => { // Check for internal links only, in the form of [text](/path). const...
Lars Lofgren
Forbes Marketplace: The Parasite SEO Company Trying to Devour Its Host Are you sick of Forbes appearing in search results? For topics that Forbes doesn’t have any...
3 months ago
4
3 months ago
Are you sick of Forbes appearing in search results? For topics that Forbes doesn’t have any expertise in? Here’s the organic rankings for “best pet insurance”: Forbes ranks #2. Not sure a business website knows how pet insurance actually works. But okay. They also have the #1...
./techtipsy
Overcoming hardware limitations: the time-to-sleep script As some of you might own, I’m still rocking a ThinkPad T430, a laptop model originally released in...
over a year ago
40
over a year ago
As some of you might own, I’m still rocking a ThinkPad T430, a laptop model originally released in 2012. It’s not the fastest laptop out there, but it is plenty fast for a number of tasks, even most software development work. I also try to keep my machines up to date and properly...
computers are bad
2023-11-25 the curse of docker I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza...
a year ago
76
a year ago
I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza there could be. In that spirit, I thought I would write something quick and oddly professional: I'm going to complain about Docker. Packaging software is one of those fundamental...
Jonas Hietala
2014 Read Books In total I read 20 books, which is 33% less than last year. Fiction How to Be a Woman - Catilin...
over a year ago
5
over a year ago
In total I read 20 books, which is 33% less than last year. Fiction How to Be a Woman - Catilin Moran Fun! The Kill Room - Jeffery Deaver A Song of Ice and Fire: Game of Thrones - George R.R. Martin Reread. A Song of Ice and Fire: A Clash of Kings - George R.R. Martin Reread. A...
Neil Madden
Digital signatures and how to avoid them Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for...
3 months ago
5
3 months ago
Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature on a message gives a recipient confidence that the message came from a sender known to the...
Azad's Blog
Traveling with Apple Vision Pro The Vision Pro has quickly become an essential item that I take onto every flight. It’s a fantastic...
2 months ago
8
2 months ago
The Vision Pro has quickly become an essential item that I take onto every flight. It’s a fantastic device to travel with—Be it by train or by plane, it offers an unparalleled opportunity to selectively tune out your environment and sink into an engaging activity like watching a...
Louwrentius
20 disk 18 TB RAID 6 storage based on Debian Linux This system is no longer operational and has been decomissioned (2017) This is my NAS storage server...
over a year ago
5
over a year ago
This system is no longer operational and has been decomissioned (2017) This is my NAS storage server based on Debian Linux. It uses software RAID and 20 one terrabyte hard drives. It provides a total usable storage capacity of 18 terrabytes in a single RAID 6 array. One of the...
Jonas Hietala
Gruvbox Syntax Highlighting for Pandoc Edit: I have updated the highlighting again so the inline code used as examples have changed. I...
over a year ago
4
over a year ago
Edit: I have updated the highlighting again so the inline code used as examples have changed. I guess I should’ve used images to record the look. Recently when I reinstalled Slackware I decided to restyle my workspace as well. I settled on gruvbox with neovim and using the...
Notes on software...
Notes from Neal Gabler's Walt Disney Disney was a celebrity by his mid-30s, Disney the company was famous by 1930s. Even though...
a year ago
4
a year ago
Disney was a celebrity by his mid-30s, Disney the company was famous by 1930s. Even though politically the 1930s was considered the decade of Roosevelt (elected President in 1933), culturally the 1930s was considered the decade of Mickey Mouse. Almost every new...
Jonas Hietala
On The Decline of FPS Games Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS...
over a year ago
5
over a year ago
Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS Games. https://www.youtube.com/watch?v=W1ZtBCpo0eU Oh How true!
Matt Blewitt
Service Objects in Rails Let’s kick off 2016 with a whistle-stop tour of one of my favourite OO approaches, Service Objects,...
over a year ago
4
over a year ago
Let’s kick off 2016 with a whistle-stop tour of one of my favourite OO approaches, Service Objects, in the context of Rails.
Notes on software...
btest: a language agnostic test runner btest is a minimal, language-agnostic test runner originally written for testing compilers. Brian,...
over a year ago
5
over a year ago
btest is a minimal, language-agnostic test runner originally written for testing compilers. Brian, an ex- co-worker from Linode, wrote the first implementation in Crystal (a compiled language clone of Ruby) for testing bshift, a compiler project. The tool accomplished exactly...
Louwrentius
Compiling Multicore PAR2 on Ubuntu 12.04 LTS Precise Pangolin If you want to compile PAR2 with multicore support on Linux, it may not work right away from source....
over a year ago
5
over a year ago
If you want to compile PAR2 with multicore support on Linux, it may not work right away from source. I used this version of PAR2 with multicore support. Update 2015: the original link is dead, I foud a copy of the source and put it on my own site here for you to download. First,...
Jonas Hietala
Up like a Sun, Down like a Pancake I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But...
over a year ago
5
over a year ago
I was looking forward to this weekend, for Ludum Dare and for me to finally make a game again. But it just don’t feel right to me. I’m not prepared, I feel a little bit stressed and I don’t really have faith in my game so I’m gonna step down this one as well. But it’s fine, Ludum...
Notes on software...
Delightful, production-grade replication for Postgres This is an external post of mine. Click here if you are not redirected.
5 months ago
Jonas Hietala
Long Term Goals Update During my vacation I suddenly got a bunch of “life crisis” type thoughts in an almost panic inducing...
over a year ago
5
over a year ago
During my vacation I suddenly got a bunch of “life crisis” type thoughts in an almost panic inducing intensity. They were mostly thoughts about not having accomplished anything and that the future looks bleak and meaningless and it’s not worth to do anything. As usual they are...
Good Enough
Good Enough, A Serious Business Hello reader, my name is Shawn, and I'm one of the co-founders of Good Enough. I'd like to tell you...
a year ago
4
a year ago
Hello reader, my name is Shawn, and I'm one of the co-founders of Good Enough. I'd like to tell you a bit about how Good Enough came to be and what we plan on doing here. Barry and I started working together again in early 2022. By “work,” I mean that I’d show up on Slack for a...
Louwrentius
Unattended automatic installation of Linux nvidia binary driver As part of an unattended installation, it was necessary to install a binary nvidia graphics driver....
over a year ago
4
over a year ago
As part of an unattended installation, it was necessary to install a binary nvidia graphics driver. This is a manual proces by default. However, it can be done fully automatic: prerequisite: install xserver-xorg-dev package or similar xorg development package. sh NVIDIA-.run -q...
Ken Shirriff's blog
The transparent chip inside a vintage Hewlett-Packard floppy drive While repairing an eight-inch HP floppy drive, we found that the problem was a broken interface...
a year ago
4
a year ago
While repairing an eight-inch HP floppy drive, we found that the problem was a broken interface chip. Since the chip was bad, I decapped it and took photos. This chip is very unusual: instead of a silicon substrate, the chip is formed on a base of sapphire, with silicon and metal...
Willem's Blog
Refining my tablet OS experience Installing Debian GNU/Linux on a Surface Go 2 with LTE/4G to replace my iPad Pro as daily driver.
over a year ago
Jonas Hietala
Recent experiences with Netrunner tournaments After a bit of a hiatus after the Winter Kit Tournament the 16th January I participated in three...
over a year ago
6
over a year ago
After a bit of a hiatus after the Winter Kit Tournament the 16th January I participated in three tournaments during February - March. After each of these tournaments I started a writeup of them but they fell off my mind a bit but consider this my break with my blogging...
lcamtuf’s thing
The marvelous disappearing capacitor The performance of photodiode amplifiers can be improved in a clever way.
a month ago
latest projects -...
Analemmagraph [Concept] Video of a day, one year in every frame
a year ago
Good Enough
Season 3, Issue 4: Cosmic Staggering Tortoises 1. Weekly Studio Update Hello. We're going to try doing this newsletter thing regularly. The...
a year ago
5
a year ago
1. Weekly Studio Update Hello. We're going to try doing this newsletter thing regularly. The ambitious goal is to write you a lovely letter every week. Aim for the moon, right? But wait, if you aim for the moon, how in this physical world can you possibly hit a star by...
latest projects -...
Portable Probability Panel [Misc] Laser-cut Galton board
5 months ago
Vitalik Buterin's...
The end of my childhood
11 months ago
latest projects -...
POV Candle [Hardware] Tiny volumetric display
a year ago
Notes on software...
Writing a web server from scratch: 1. HTTP and sockets Say we have some HTML: <html> <body> <h1>Hello world!</h1> </body> </html> And say we'd...
over a year ago
7
over a year ago
Say we have some HTML: <html> <body> <h1>Hello world!</h1> </body> </html> And say we'd like to be able to render this page in a web browser. If the server is hosted locally we may want to enter localhost:9000/hello-world.html in the address bar, hit enter, make a...
Arduino Blog
Meet the CapibaraZero, a multifunctional security and hacking tool based on the Nano ESP32 In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and...
a month ago
34
a month ago
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and security professionals alike for their small size and wide array of hacking tools. Inspired by the functionality of the FlipperZero, Project Hub user ‘andreockx’ created a similar...
Home on Erik...
statself.com Btw I just put something up online that I spent a couple of evenings in my couch putting together:...
over a year ago
6
over a year ago
Btw I just put something up online that I spent a couple of evenings in my couch putting together: it's a website where you can track any numerical data on the web. Want to know how many Twitter followers you have?
Matt Mullenweg
Carmack & Rogan I guess something has changed with the Joe Rogan / Spotify deal and now all the old episodes are on...
a month ago
10
a month ago
I guess something has changed with the Joe Rogan / Spotify deal and now all the old episodes are on YouTube again, which means the gems from the archives can now pop up. I was alerted to this conversation between Joe Rogan and John Carmack, and it’s pure gold. I know I’m five...
Posts on Made of...
Why scons is cool I’ve recently started playing with scons a little for some small personal projects. It’s not...
over a year ago
2
over a year ago
I’ve recently started playing with scons a little for some small personal projects. It’s not perfect, but I’ve rapidly come to the conclusion that it’s a probably far better choice than make in many cases. The main exceptions would be cases where you need to integrate into legacy...
Louwrentius
Calculating EXT2 EXT3 EXT4 stride size when using RAID When formatting a RAID device with an EXT filesystem, it is always advised to specify a stride size....
over a year ago
7
over a year ago
When formatting a RAID device with an EXT filesystem, it is always advised to specify a stride size. The format utility will take this stride size into account when formatting a device. The stride size is the number you get when you divide the 'chunck' size, as specified with...
computers are bad
2024-12-04 operators on the front At the very core of telephone history, there is the telephone operator. For a lot of people, the...
a month ago
32
a month ago
At the very core of telephone history, there is the telephone operator. For a lot of people, the vague understanding that an operator used to be involved is the main thing they know about historic telephony. Of course, telephone historians, as a group, tend to be much more...
Louwrentius
How traffic shaping can dramatically improve internet responsiveness At work, access to the internet is provided by a 10 Mbit down / 1 Mbit up ADSL-connection. As we are...
over a year ago
4
over a year ago
At work, access to the internet is provided by a 10 Mbit down / 1 Mbit up ADSL-connection. As we are a mid-size company, bandwidth is clearly a severe constraint. But it was not our biggest problem. Even simple web-browsing was very slow. As I was setting up a monitoring...
Willem's Blog
WordPress: 10 tips to secure your website A lot of people use WordPress to manage their website. Prevent your site from being hacked using...
over a year ago
4
over a year ago
A lot of people use WordPress to manage their website. Prevent your site from being hacked using this blog post.
Home on Erik...
Pareto efficency Pareto efficiency is a useful concept I like to think about. It often comes up when you compare...
over a year ago
7
over a year ago
Pareto efficiency is a useful concept I like to think about. It often comes up when you compare items on multiple dimensions. Say you want to buy a new TV. To simplify it let's assume you only care about two factors: price and quality.
Arduino Blog
This Flip-Pelt wearable concept enables ultra-fast thermal feedback in VR Wouldn’t it be great if, while playing a virtual reality game, you could feel the heat of a fire on...
2 months ago
20
2 months ago
Wouldn’t it be great if, while playing a virtual reality game, you could feel the heat of a fire on your arm? Or the cold of chilly water? Engineers around the world have been trying to make that happen, but there is a big problem: temperature changes are slow. The immersive...
Jonas Hietala
What's up It’s been a while again since the last time we met mr. Blog. I’ve been busy with school and other...
over a year ago
4
over a year ago
It’s been a while again since the last time we met mr. Blog. I’ve been busy with school and other stuff. I’ve thought about you but I just never really picked up emacs to write to you. I know it’s my fault but I beg of your mercy mr. Blog. You know that I had laid off school for...
Home on Erik...
Toxic meeting culture I spent six years at a company that went from 50 people to 1500 and one contributing factor leading...
over a year ago
4
over a year ago
I spent six years at a company that went from 50 people to 1500 and one contributing factor leading to my departure was that I went from a “maker” to a person stuck in meetings every day.
Computer Ads from...
Plus Post: Rockwell AIM 65 The Company Rockwell International has been around for quite a while. Willard Rockwell started the...
8 months ago
111
8 months ago
The Company Rockwell International has been around for quite a while. Willard Rockwell started the company in 1919 to sell a newly designed truck axle bearing. Over the years, Rockwell acquired businesses in many different fields, including defense, industrial electronics,...
Lars Lofgren
The Sleazy World of Reddit Marketing, Everything is Fake I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of...
4 months ago
4
4 months ago
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of dollars per month for doing nothing. Maybe tens of thousands. With a 100% real example. I’ve edited nothing. When you’re a Reddit mod, you have a TON of power in that subreddit. You...
seangoedecke.com RSS...
From hours to seconds: AI tools to detect animal calls If you’re currently spending time listening to long audio recordings of birdcalls or animal noises,...
8 months ago
4
8 months ago
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises, it’s likely that the last four years of…
Home on Erik...
More Luigi! Continuing in the same spirit of shameless self-promotion, here's some recent Luigi press: Reddit...
over a year ago
4
over a year ago
Continuing in the same spirit of shameless self-promotion, here's some recent Luigi press: Reddit thread A Guide to Python Frameworks for Hadoop (slides from the NYC Hadoop User Group) This presentation from the Open Analytics NYC meetup about how Foursquare uses Luigi  Luigi...
Arduino Blog
Zoo elephants get a musical toy to enrich their lives Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course,...
a month ago
13
a month ago
Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course, there is a lot to be said about the morality of keeping those animals in captivity. So, good zoos put a lot of effort into keeping their animals healthy and happy. For more...
Notes on software...
A single-node Kubernetes cluster without virtualization or a container registry This post is a recipe for setting up a minimal Kubernetes cluster on Fedora without requiring...
over a year ago
2
over a year ago
This post is a recipe for setting up a minimal Kubernetes cluster on Fedora without requiring virtualization or a container registry. These two features make the system cloud-agnostic and the cluster entirely self-contained. The post will end with us running a simple Flask...
Louwrentius
Creating configuration backups of HP procurve switches I've created a tool called procurve-watch. It creates a backup of the running switch configuration...
over a year ago
4
over a year ago
I've created a tool called procurve-watch. It creates a backup of the running switch configuration through secure shell (using scp). It also diffs backed up configurations against older versions, in order to keep track of changes. If you run the script from cron every hour or...
Simply Explained
ESP32 Cam: cropping images on device The ESP32 camera is the cheapest microcontroller with a built-in camera that you can buy. The OV2640...
over a year ago
6
over a year ago
The ESP32 camera is the cheapest microcontroller with a built-in camera that you can buy. The OV2640 sensor has a max resolution of 1600x1200, but sometimes you don't need the entire image.In this post I'll show how to crop the images on the ESP32 itself, before sending it of to...
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 2. user-defined functions and variables Previously in compiler basics: 1. lisp to assembly 3. LLVM 4. LLVM conditionals and...
over a year ago
5
over a year ago
Previously in compiler basics: 1. lisp to assembly 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. LLVM system calls 6. an x86 upgrade In this post we'll extend the compiler to support defining functions and variables. Additionally, we'll require the...
lcamtuf’s thing
Analog filters, part 2: let it ring A continuation of the gentle intro to analog signal filtering. In today's episode: the Sallen-Key...
3 months ago
Engineers Need Art
Experiments in Printmaking - Part 1 Trying some unconventional techniques to create a pop-art print of a Cherry Mash candy bar.
9 months ago
Jonas Hietala
Going down Ah my first game was so painless so I thought I could do any game I could imagine! Shooters, and...
over a year ago
5
over a year ago
Ah my first game was so painless so I thought I could do any game I could imagine! Shooters, and mario bros kinda stuff. Well now I’m not so upbeat anymore, I’ve worked on this game for 7 days now and it’s not playable at all. With seven days I don’t mean a week, I’ve had a big...
Louwrentius
Benefits of hyper-threading on a Core 7i processor I had some wave files that I wanted to encode to mp3. I wrote a small parallel processing framework...
over a year ago
4
over a year ago
I had some wave files that I wanted to encode to mp3. I wrote a small parallel processing framework for this job. It executes parallel jobs so I can benefit from the 4 cores + 4 virtual cores of my new Core 7i 920 processor.  The framework is based on some shell scripts running...
Nabeel S. Qureshi
May Updates + New Essay On Moral AI A few months back, I read a tweet from Ilya Sutskever (OpenAI Chief Scientist) which stuck in my...
a year ago
4
a year ago
A few months back, I read a tweet from Ilya Sutskever (OpenAI Chief Scientist) which stuck in my mind: “the long term goal is to build AGI that loves people the way parents love their children”.
Arduino Blog
This desk lamp automatically adjusts its brightness using AI on an Arduino UNO When you hear about all of the amazing things being accomplished with artificial intelligence today,...
7 months ago
40
7 months ago
When you hear about all of the amazing things being accomplished with artificial intelligence today, you probably assume that they require a massive amount of processing power. And while that is often true, there are machine learning models that can run on the edge — including on...
lcamtuf’s thing
Random objects: Intel Edison A glimpse of the missteps of x86 in the embedded world.
6 months ago
Lighthouse Blog
Updates June 07
7 months ago
Abort Retry Fail
The History of Commodore, Part 3 Are you keeping up with the Commodore?
a year ago
Home on Erik...
The half-life of code & the ship of Theseus As a project evolves, does the new code just add on top of the old code? Or does it replace the old...
over a year ago
6
over a year ago
As a project evolves, does the new code just add on top of the old code? Or does it replace the old code slowly over time? In order to understand this, I built a little thing to analyze Git projects, with help from the formidable GitPython project.
Notes on software...
React without webpack: fast path to a working app from scratch This is an external post of mine. Click here if you are not redirected.
over a year ago
Style over Substance
DIY: Use an IKEA VINDRIKTNING air quality sensor in Home Assistant with ESPHome IKEA has released some interesting new products lately, focused on air quality. In this product...
over a year ago
74
over a year ago
IKEA has released some interesting new products lately, focused on air quality. In this product line, one unit that stands out is the VINDRIKTNING air quality sensor. This cheap (just €9,99) sensor measures the air quality in your home, using a simple traffic light scheme to...
Jonas Hietala
Being Productive School’s been going on now for… Is it a month and a half maybe? I don’t know really but it’s all...
over a year ago
2
over a year ago
School’s been going on now for… Is it a month and a half maybe? I don’t know really but it’s all going so fast, week after week is disappearing and I don’t know where they go but I know that I’m at least not wasting them like I did most of last year! Last year I managed school...
./techtipsy
AMD Ryzen 7 5700G: first impressions on Fedora 34 Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months...
over a year ago
45
over a year ago
Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months and the setup has mostly been fine. Sure, the power usage was pretty big under load, and yes, my internet did cut out every time I turned the VM on with all the services starting,...
latest projects -...
Hand-cranked Flux Capacitor [Concept] Control the flow of time
a year ago
watchTowr Labs
Cleo Harmony, VLTrader, and LexiCom - RCE via Arbitrary File Write (CVE-2024-50623) We were having a nice uneventful week at watchTowr, when we got news of some ransomware operators...
3 weeks ago
13
3 weeks ago
We were having a nice uneventful week at watchTowr, when we got news of some ransomware operators using a zero-day exploit in Cleo MFT software - namely, LexiCom, VLTransfer, and Harmony - applications that many large enterprises rely on to share files securely. Cleo have a...
Louwrentius
Is storage really that cheap? Nowadays you can buy a 1 TB harddrive for less than 100 euro's . So I build myself a 4 TB NAS box,...
over a year ago
6
over a year ago
Nowadays you can buy a 1 TB harddrive for less than 100 euro's . So I build myself a 4 TB NAS box, which is already 50% full. However, although it is to some degree fault-tollerant by using RAID 6, one mistake or catastrophic hardware faillure and all data is lost. And that's...
Engineers Need Art
Soft Dorothy Software — Shareware Projects Wherein I attempt to recover and restore old shareware code and program again like it's 1989.
4 months ago
Jonas Hietala
Monty Hall I’m currently reading The Drunkard’s Walk, a well written book about probabilities. There they...
over a year ago
4
over a year ago
I’m currently reading The Drunkard’s Walk, a well written book about probabilities. There they discussed the famous Monty Hall Problem. I’ve heard about it before and I know the answer, but he mentioned a simulation of the problem and that sounded cool so I made a simulation of...
Jonas Hietala
Why is my file so huge? My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too -...
over a year ago
5
over a year ago
My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too - roughly 20mb) but the little .exe file. It was 14,6mb!! Now every way you look at it, that’s incredibly huge. It’s like comparing an ant to a human. Normally the little ant is the...
Jonas Hietala
Speeding Ahead Life is slowly settling down over here. School has started with some pretty interesting stuff this...
over a year ago
5
over a year ago
Life is slowly settling down over here. School has started with some pretty interesting stuff this year. Firstly we have a math analysis course in multiple variables which is ok. I’m not a fan of the previous analysis courses but maybe this will be a bit different. We’re...
axio.ms
MicroMac, a Macintosh for under £5 A microcontroller Macintosh This all started from a conversation about the RP2040 MCU, and building...
6 months ago
4
6 months ago
A microcontroller Macintosh This all started from a conversation about the RP2040 MCU, and building a simple desktop/GUI for it. I’d made a comment along the lines of “or, just run some old OS”, and it got me thinking about the original Macintosh. The original Macintosh was...
Jonas Hietala
2015 in Review Previous reviews: 2010, 2011, 2012, 2013 and 2014. 2015 Geek Achievements Finished my university...
over a year ago
7
over a year ago
Previous reviews: 2010, 2011, 2012, 2013 and 2014. 2015 Geek Achievements Finished my university studies and got a Master in Computer Science. Discovered a new boardgame love: Android Netrunner. Finished top 4 in my first Netrunner Store Championship. Won a small local Netrunner...
OH8HUB’s Substack
Spring ham radio activation of Korkattivuori (Mt. Korkatti) Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature...
a year ago
63
a year ago
Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature reserve area near town Haapavesi (pop. 6588) in Finland. The nature reserve area consist of short family friendly hiking path of approximately 1.5km. One end of the path has parking...
Jonas Hietala
November Theme: Art Game Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t...
over a year ago
4
over a year ago
Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t been “my” themes: I’ve been following their lead and their themes and this month is no exception. This months’ apparently a big theme - Art. It’s even a collaboration with a big...
Jonas Hietala
Let's build a VORON: Wiring Dread it. Run from it. Wiring arrives all the same. It’s time for the part of my VORON build that...
a year ago
12
a year ago
Dread it. Run from it. Wiring arrives all the same. It’s time for the part of my VORON build that I’ve been dreading: the wiring. It’s scary because I really have no clue what I’m doing, and mistakes can be very costly and time-consuming. I’ve taken my time to double- and...
./techtipsy
What running out of SATA ports looks like One day I stumbled upon a Craft Computing video about his new server build, and on the parts list...
over a year ago
26
over a year ago
One day I stumbled upon a Craft Computing video about his new server build, and on the parts list was a Sedna PCI Express 2x SATA adapter card: There are different designs out there, including a 4x SATA card, which is bonkers. Anyway, I thought that I might as well give this a...
Willem's Blog
Repairing a Giro AEON bicycle helmet Try fixing your Giro bicycle helmet? I went through some trouble to do it! Read along to find out...
over a year ago
Old Vintage...
So long, Z80 You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s...
8 months ago
85
8 months ago
You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s (PDF), announcing earlier this week that after June 14th you won't be able to buy them anymore (specifically the last-part-standing Z84C00 which comes in various speeds from 6-20 MHz)...
computers are bad
2023-10-09 prolific counterfeiting I'm working on a side project right now, one of several, which involves telematics devices...
a year ago
77
a year ago
I'm working on a side project right now, one of several, which involves telematics devices (essentially GPS trackers with i/o) from a fairly reputable Chinese manufacturer. The device is endlessly configurable and so, like you see with a lot of radios, it has a UART for...
Computer Ads from...
Comics from 1985/12 Australian Personal Computer Mag Some computer related levity from OZ
a month ago
Willem's Blog
Data versus Feeling Do you rely on data or on your feeling when running a Marathon? I decided to run two marathons to...
2 weeks ago
41
2 weeks ago
Do you rely on data or on your feeling when running a Marathon? I decided to run two marathons to find out the differences!
Louwrentius
I resurrected my Dutch movie review site from 2003 Introduction Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1 I built the...
over a year ago
5
over a year ago
Introduction Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1 I built the site and wrote the reviews. It never made any money. It cost me money to host, and it cost me a lot of time writing reviews, but I remember enjoying writing reviews about films I...
watchTowr Labs
QNAP QTS - QNAPping At The Wheel (CVE-2024-27130 and friends) Infosec is, at it’s heart, all about that data. Obtaining access to it (or disrupting access to it)...
7 months ago
5
7 months ago
Infosec is, at it’s heart, all about that data. Obtaining access to it (or disrupting access to it) is in every ransomware gang and APT group’s top-10 to-do-list items, and so it makes sense that our research voyage would, at some point, cross paths with products
Jonas Hietala
An Elixir based payment processor for the Coinparty hackathon Bitcoin Unlimited is hosting a Bitcoin Cash hackathon this December and it seemed like a good...
over a year ago
5
over a year ago
Bitcoin Unlimited is hosting a Bitcoin Cash hackathon this December and it seemed like a good opportunity for me to explore how to program against Bitcoin Cash, and it gives me an excuse to build something real with Phoenix and Elixir. (While an event like this might help combat...
Lighthouse Blog
What I want to achieve with Lighthouse
10 months ago
Louwrentius
Linux: get a list of al disks and their size To get a list of all disk drives of a Linux system, such as this: Disk /dev/md0: 58.0 GB Disk...
over a year ago
4
over a year ago
To get a list of all disk drives of a Linux system, such as this: Disk /dev/md0: 58.0 GB Disk /dev/md1: 2015 MB Disk /dev/md5: 18002.2 GB Disk /dev/sda: 60.0 GB Disk /dev/sdb: 60.0 GB Disk /dev/sdc: 1000.1 GB Disk /dev/sdd: 1000.1 GB Disk /dev/sde: 1000.1 GB Disk /dev/sdf: 1000.1...
Notes on software...
Two books I recommend to developers Originally published on February 1, 2021. The original version included two books I don't think...
a year ago
4
a year ago
Originally published on February 1, 2021. The original version included two books I don't think are actually so worthwhile. This list is down to two. I think that's a good thing actually. These are the books I recommend to developers wanting to improve their skills as...
Lighthouse Blog
Updates April 19
8 months ago
Vitalik Buterin's...
In-person meatspace protocol to prove unconditional possession of a private key
over a year ago
Louwrentius
Why you should not use IPsec for VPN connectivity IPsec is a well-known and widely-used VPN solution. It seems that it's not widely known that Niels...
over a year ago
4
over a year ago
IPsec is a well-known and widely-used VPN solution. It seems that it's not widely known that Niels Ferguson and Bruce Schneier performed a detailed security analysis of IPsec and that the results were not very positive. We strongly discourage the use of IPsec in its current form...
Arduino Blog
Turning a desk mat into a MIDI drum kit Playing drums is a lot of fun, but drum sets are very big and very loud. They also aren’t cheap....
a month ago
33
a month ago
Playing drums is a lot of fun, but drum sets are very big and very loud. They also aren’t cheap. Those factors keep them from being an option for many people who would otherwise be interested. Conventional electronic drum sets are much quieter and a bit more compact, but they...
Posts on Made of...
The Window Manager I Want Since I first discovered ratpoison in 2005 or so, I've basically exclusively used tiling window...
over a year ago
6
over a year ago
Since I first discovered ratpoison in 2005 or so, I've basically exclusively used tiling window managers, going through, over the years, StumpWM, Ion 3, and finally XMonad. They've all had various strengths and weaknesses, but I've never been totally happy with any of them. This...
Home on Erik...
What I have been working on: Modal Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you...
over a year ago
4
over a year ago
Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you run things in the cloud without having to think about infrastructure. Scaling out, scheduling, containerization, using GPUs, setting up webhooks, and all kinds of other stuff.
Notes on software...
Bootloader basics I spent a few days playing around with bootloaders for the first time. This post builds up to a text...
over a year ago
6
over a year ago
I spent a few days playing around with bootloaders for the first time. This post builds up to a text editor with a few keyboard shortcuts. I'll be giving a virtual talk based on this work at Hacker Nights on Jan 27. There are a definitely bugs. But it's hard to find...
Louwrentius
How to compile HAProxy from source and setup a basic configuration To learn more about HAProxy I decided to compile it from source and use it to load-balance traffic...
over a year ago
6
over a year ago
To learn more about HAProxy I decided to compile it from source and use it to load-balance traffic to louwrentius.com across two different web servers. I run HAProxy on a VPS based on Ubuntu 12.04 LTS. Let's dive right in. First, we need to download the source. Don't copy/pased...
Willem's Blog
Realtime service uptime monitoring Downtime happens and it is nothing to be ashamed of, just make sure that you set yourself up to...
over a year ago
5
over a year ago
Downtime happens and it is nothing to be ashamed of, just make sure that you set yourself up to discover problems as soon as possible! Know about problems before your customers do!
Home on Erik...
What's Erik up to? I joined Better in early 2015 because I thought the team was crazy enough to actually change one of...
over a year ago
5
over a year ago
I joined Better in early 2015 because I thought the team was crazy enough to actually change one of the largest industries in the US. For six years, I ran the tech team, hiring 300+ people, probably doing 2,000+ interviews, and according to GitHub I added 646,941 lines of code...
Louwrentius
Laptop or netbook as router? If you want a router for distribution of internet to your computers at home, there are several...
over a year ago
2
over a year ago
If you want a router for distribution of internet to your computers at home, there are several options. buy some embedded device from Linksys, Draytek, Asus, 3com, ZyXtel or netgear This type of hardware is cheap, economical, and gets you up and running in a few minutes. The...
Jonas Hietala
Geekhack Toxic I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it...
over a year ago
4
over a year ago
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it be? With a crummy mobile phone photo I give you my TOXIC keycaps mounted on my trusty old das keyboard: Woooo If only my GH60 could arrive some time this decade…
Notes on software...
Running SQL Server in a container on Github Actions This is an external post of mine. Click here if you are not redirected.
over a year ago
Neil Madden
Towards a standard for bearer token URLs In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include...
over a year ago
6
over a year ago
In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include credentials in a URL?, I raised the possibility of standardising a new URL scheme that safely allows encoding a bearer token into a URL. This makes it more convenient to use lots of...
Notes on software...
Make small changes and solve the problems you have Two frustrating things that can happen in an organization are 1) big changes and 2) changes that...
over a year ago
7
over a year ago
Two frustrating things that can happen in an organization are 1) big changes and 2) changes that aren’t clearly associated with a known problem. It’s even worse in that order. These situations tend to happen when a problem remain unaddressed for too long. These situations tend to...
Jonas Hietala
Long Term Goals (part 2) A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major...
over a year ago
6
over a year ago
A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major goals I have: Write my own Programming Language Why? Because it sounds fun and epic as hell. Write a Book So I like books and I like to collect them and I have my whole bookcase...
./techtipsy
How I fixed one hardware issue with another one I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac motherboard that used to run fine, but ever...
over a year ago
28
over a year ago
I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac motherboard that used to run fine, but ever since I installed one UEFI update, it has had this one annoying issue: whenever you reboot, it gets stuck at POST. Cold boots work fine and the shutdown-and-push-the-power-button...
GitButler
Fixing up Git with Autosquash How can you amend a series of commits automatically to keep a clean history? Let's take a look at...
10 months ago
5
10 months ago
How can you amend a series of commits automatically to keep a clean history? Let's take a look at git autosquash.
Lighthouse Blog
Updates December 22
a year ago
Jonas Hietala
2012 in Review Like the last two years I’m summarizing the year. At the end of the year like this it always feel...
over a year ago
6
over a year ago
Like the last two years I’m summarizing the year. At the end of the year like this it always feel like I didn’t accomplish much, but after the yearly summary it always feels better. 2012 Geek Achievements Designed a processor which fulfills the Core Wars 88 standard. Includes a...
Vitalik Buterin's...
Trust Models
over a year ago
Home on Erik...
Spotify's Discovery page The Discovery page, the new start page in Spotify, is finally out to a fairly significant percentage...
over a year ago
4
over a year ago
The Discovery page, the new start page in Spotify, is finally out to a fairly significant percentage of all users. Really happy since we have worked on it for the past six months. Here's a screen shot:
Bryan Braun - Blog
One Million Checkboxes and the fear of viral success When Nolen Royalty’s One Million Checkboxes site went viral, several people sent me links to it. If...
4 months ago
4
4 months ago
When Nolen Royalty’s One Million Checkboxes site went viral, several people sent me links to it. If you haven't heard of One Million Checkboxes, see the Wikipedia article for more details. I loved everything about One Million Checkboxes. It was simple but strangely compelling....
Willem's Blog
The value of notifications It's easy to dismiss your phone's notifications as something that disturbs you, but if you take the...
over a year ago
6
over a year ago
It's easy to dismiss your phone's notifications as something that disturbs you, but if you take the time to set them up correctly, notifications can actually save you time!
Jonas Hietala
A Vacation Filled with Obsession A nice thing about school are the nice long vacations. Directly after my last exam we went north to...
over a year ago
4
over a year ago
A nice thing about school are the nice long vacations. Directly after my last exam we went north to our dear home village Övertorneå and spent two weeks celebrating Christmas and New Years Eve. What did we do? I practiced some obsessive behavior with Power Grid and Minecraft (and...
Louwrentius
Benchmarking storage with Fio and generating charts of the results Introduction Fio is a widely-used tool for performing storage benchmarks. Fio offers a lot of...
over a year ago
4
over a year ago
Introduction Fio is a widely-used tool for performing storage benchmarks. Fio offers a lot of options to create a storage benchmark that would best reflect your needs. Fio allows you to assess if your storage solution is up to its task and how much headroom it has. Fio outputs...
Jonas Hietala
MenuCity: Level 0 Walkthrough It hasn’t even been a week since I released my latest game MenyCity and already so much positive...
over a year ago
7
over a year ago
It hasn’t even been a week since I released my latest game MenyCity and already so much positive feedback! I’m so thrilled :) However, all isn’t blue skies and nice sunshine. A lot of times the first question is: How do you play it? or How do you get past the first level? I admit...
somenice
Gold and Ghosts In the autumn of 1892, two miners, Earl and Edward, found themselves high in the Pacific Northwest...
2 months ago
44
2 months ago
In the autumn of 1892, two miners, Earl and Edward, found themselves high in the Pacific Northwest mountains, searching for a legend as old as the hills: the lost crate of gold. The tale of “Shining Creek Gold” was whispered in every saloon from Seattle to San Francisco, a cache...
Louwrentius
Highpoint RocketRAID 2320 on Debian howto Get the 'open source' driver from www.highpoint-tech.com. (It's not open source, it uses a closed...
over a year ago
4
over a year ago
Get the 'open source' driver from www.highpoint-tech.com. (It's not open source, it uses a closed binary driver.) http://www.highpoint-tech.com/USA/bios_rr2320.htm Install the kernel headers if you haven't already - apt-get install linux-headers-2.6.18-6-k7 - extract the...
Good Enough
The Element of Surprise Good Enough happens to be a remote team. This isn't from some strongly-held belief that remote is...
a year ago
6
a year ago
Good Enough happens to be a remote team. This isn't from some strongly-held belief that remote is best, but rather as a side effect of how we all happened to meet each other. We met remotely, we did not end up all moving into some commune, and so to work together we must work...
Arduino Blog
Explore two ways to white label with Arduino Cloud We’re excited to announce a brand-new feature called “Custom Branding,” which allows Enterprise plan...
8 months ago
59
8 months ago
We’re excited to announce a brand-new feature called “Custom Branding,” which allows Enterprise plan users to white label their workspace and enhance the overall user experience. This announcement is exciting because it empowers businesses to create a truly tailored environment...
Computer Ads from...
MicroSpeed PC-TRAC Let's Get Right To the Point
7 months ago
Home on Erik...
Momentum strategies Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday...
over a year ago
2
over a year ago
Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday night. Basically I wanted to know whether momentum strategies work well for international stock indexes. I spent a bit of time putting together a strategy that buys the stock index if...
computers are bad
2024-02-25 a history of the tty It's one of those anachronisms that is deeply embedded in modern technology. From cloud operator...
10 months ago
73
10 months ago
It's one of those anachronisms that is deeply embedded in modern technology. From cloud operator servers to embedded controllers in appliances, there must be uncountable devices that think they are connected to a TTY. I will omit the many interesting details of the Linux terminal...
Louwrentius
Bash Shell Function Library (BSFL) released. The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash...
over a year ago
6
over a year ago
The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash scripts. It provides a couple of functions that makes the lives of most people using shell scripts a bit easier. The purpose of this library is to provide pre-build functions for...
Good Enough
Let's talk about conversations If you subscribe to our newsletter — which you do, right? — then you'll know that recently we've...
10 months ago
5
10 months ago
If you subscribe to our newsletter — which you do, right? — then you'll know that recently we've been thinking about conversations. We're a small group making fun software for people, and we like to have conversations with those people; the lovely folks who like our take on...
Arduino Blog
A pair of Arduino UNO R4 boards power this Tron-inspired, decked-out shop room Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop...
6 months ago
49
6 months ago
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop renovation project where he is rearranging tools, tidying up various spaces, and even creating a dedicated “clean” room for his collection of 3D printers/electronics work. With its...
Jonas Hietala
Competition Feedback The voting is over and I got a few ratings I want to comment on. You can view all ratings and...
over a year ago
4
over a year ago
The voting is over and I got a few ratings I want to comment on. You can view all ratings and comments here. They’re all from 1 to 5. Innovation: 3.75 Fun: 3.29 Theme: 3.17 Graphics: 2.54 Audio: 2.14 Humor: 2.54 that ugly. Overall: 3.13 something playable out of this. Community:...
Jonas Hietala
Default audio card in linux There are a bunch of posts about making your audio work by default in Linux but none that just...
over a year ago
4
over a year ago
There are a bunch of posts about making your audio work by default in Linux but none that just worked for me. I had three separate problems: Getting sound Playing sound from multiple sources at the same time Audio card getting different numbers on reboot Getting sound Here I...
Home on Erik...
MCMC for marketing data The other day I was looking at marketing spend broken down by channel and wanted to compute some...
over a year ago
5
over a year ago
The other day I was looking at marketing spend broken down by channel and wanted to compute some simple uncertainty estimates. I have data like this: <th> Total spend </th> <th> Transactions </th> Channel A <td> 2292.
Jonas Hietala
Writing Home Assistant automations using Genservers in Elixir I’ve been a fan of Home Assistant a while now; it’s a great platform for home automation with its...
3 months ago
9
3 months ago
I’ve been a fan of Home Assistant a while now; it’s a great platform for home automation with its beginner friendly and feature rich UI, support for a ton of different devices and integrations, and there’s a bunch of ways to create automations. But there’s no engine for writing...
Jonas Hietala
2023 in review This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not...
a year ago
5
a year ago
This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not anything advanced, I really like looking back at the year to see what has happened. Maybe it’s a very light version of a reverse bucket list, and I can see that it provides some...
Applied Cartography
Auth.js + Square Internal tools and small, well-scoped projects are a great avenue to tinker with technologies on the...
7 months ago
6
7 months ago
Internal tools and small, well-scoped projects are a great avenue to tinker with technologies on the periphery of your understanding, and a Third South project has led me to spin up a small Next project using Bun [1] and Auth.js (nee next-auth), which has been quite bad and I...
Willem's Blog
Updating Snake '97 This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97...
over a year ago
6
over a year ago
This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97 game. Read about the design challenges in this blog post.
Electronics etc…
Installing Linux GPIB Drivers for the Agilent 82357B Introduction Other Installation Instructions Agilent 82357B Initialization Process Installing the...
a year ago
62
a year ago
Introduction Other Installation Instructions Agilent 82357B Initialization Process Installing the Agilent 82357B GPIB Driver on an Ubuntu Linux Distribution References Introduction I’ve started to grow a collection of older test equipment from the eighties, the nineties, and the...
Construction Physics
How We Got the Lithium-ion Battery It took decades of research, performed around the world, before a practical lithium-ion battery was...
a month ago
Posts on Made of...
Automounting sshfs For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally...
over a year ago
5
over a year ago
For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally lightweight way to access the remote filesystem of any machine you have ssh to, without requiring any extra setup on the host. I’ve been running for at least a year now with my...
./techtipsy
Life is maintenance, maintenance is life Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building...
a year ago
52
a year ago
Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building things. When I was still an inexperienced junior developer who barely survived operating in a Linux environment and saw backend development as a black box, I was happy to get...
Louwrentius
Setting up a VPN with your iPhone using L2TP, IPSec and Linux This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server....
over a year ago
4
over a year ago
This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server. Updated 16 October 2012 - now compatible with Ubuntu 12.04 LTS IMPORTANT! (update January 2013) I find using OpenVPN with the new iOS OpenVPN client a way better solution. OpenVPN...
Vitalik Buterin's...
Make Ethereum Cypherpunk Again
a year ago