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Style over Substance
My new purchase: a Zeiss Ikon Nettar 517/16 Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar...
over a year ago
70
over a year ago
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar folding camera sure is bang for buck! The post My new purchase: a Zeiss Ikon Nettar 517/16 appeared first on Style over Substance.
Applied Cartography
Notes from April Welcome to spring, bona fide and humid. Lots of writing this month: I wrote about spending the past...
7 months ago
3
7 months ago
Welcome to spring, bona fide and humid. Lots of writing this month: I wrote about spending the past two years as an independent technologist. On the media side of things: brief words on Murderville (meh), The Parallax View (incredible), This is Personal (meh), Cribsheet...
Louwrentius
Cheap solution for putting an SSD in an iMac If you want to order a new iMac with an SSD there are two problems: An SSD of 256 gigabytes will...
over a year ago
2
over a year ago
If you want to order a new iMac with an SSD there are two problems: An SSD of 256 gigabytes will cost you a lot: 600 euros. The SSD is of medium quality, and does not justify the cost of 600 euros. Here you can find information about the Toshiba SSD that Apple provides. You can...
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
3
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...
seangoedecke.com RSS...
Why some engineers get trusted with high-impact work It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go...
20 hours ago
9
20 hours ago
It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go around. Worse still, the chances to work on…
lcamtuf’s thing
The 101 of analog signal filtering Some intuition about this topic can be developed without summoning the ghost of Pierre-Simon...
5 months ago
Jonas Hietala
Making a Game Again? I’ve gotta do a lab today at school, tomorrow I need to do the exam I missed when I had my...
over a year ago
2
over a year ago
I’ve gotta do a lab today at school, tomorrow I need to do the exam I missed when I had my glasses-missing headaches and I’m going to Ikea and some other shops for, you guessed it, shopping! Sure it’s fun and sure I need to do these things but the only thing on my mind now is...
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
3
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...
Willem's Blog
Creating the ultimate commuter bike Creating the ultimate commuter bike by upgrading the Sensa Cintura belt drive bike.
over a year ago
Computer Ads from...
Intel's Inboard 386/PC Welcome to the 1990s.
2 months ago
watchTowr Labs -...
Pots and Pans, AKA an SSLVPN - Palo Alto PAN-OS CVE-2024-0012 and CVE-2024-9474 It'll be no surprise that 2024, 2023, 2022, and every other year of humanities' existence has been...
a month ago
4
a month ago
It'll be no surprise that 2024, 2023, 2022, and every other year of humanities' existence has been tough for SSLVPN appliances. Anyhow, there are new vulnerabilities (well, two of them) that are being exploited in the Palo Alto Networks firewall and SSLVPN offering, and as ever,...
Notes on software...
What's the big deal about Deterministic Simulation Testing? Bugs in distributed systems are hard to find, largely because systems interact in chaotic ways. And...
4 months ago
3
4 months ago
Bugs in distributed systems are hard to find, largely because systems interact in chaotic ways. And even once you've found a bug, it can be anywhere from simple to impossible to reproduce it. It's about as far away as you can get from the ideal test environment: property...
Louwrentius
Why I still won't switch to Linux and keep my Mac The current state of Linux is amazing. If we take a look at, for example, Ubuntu Linux, we have to...
over a year ago
2
over a year ago
The current state of Linux is amazing. If we take a look at, for example, Ubuntu Linux, we have to admit that the Linux desktop is really becoming a nice, user-friendly environment. I'm truly starting to like what I see. I considered whiping Mac OS X from my macbook, but there...
Lighthouse Blog
Updates September 9: Feed finding
3 months ago
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
3
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...
Vitalik Buterin's...
Some personal user experiences
a year ago
Vitalik Buterin's...
Alternatives to selling at below-market-clearing prices for achieving fairness (or community...
over a year ago
./techtipsy
ThinkPad T40: it can still run modern Linux, for now I recently busted out my old ThinkPad T40, the last of the OG IBM ThinkPads. I picked it up some...
7 months ago
95
7 months ago
I recently busted out my old ThinkPad T40, the last of the OG IBM ThinkPads. I picked it up some time around my university days because I liked collecting ThinkPads at the time, and it was a nice complement to my existing ThinkPad T60 and T430. The battery is dead, but everything...
Jonas Hietala
Minor site updates As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started...
over a year ago
2
over a year ago
As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started looking at moving to Pygments as my highlighter. With some searching around I found a blog post about just that! That’s lucky because while I like Haskell, I’ve never really grocked it...
Simply Explained
Static webhosting benchmark: AWS, Google, Firebase, Netlify, GitHub & Cloudflare Static websites are still a hot topic. They are fast, and they're incredibly secure because there...
over a year ago
2
over a year ago
Static websites are still a hot topic. They are fast, and they're incredibly secure because there isn't a CMS to hack. Once you build a static website, however, the question becomes: Where do I host?In other words: what is the fastest static website hosting provider in 2020?...
Christian Selig
Curing Mac mini M4 fomo with 3D printing Spoiler: 3D printed! The colored ports really sell the effect If you’re anything like me, you’ve...
a month ago
19
a month ago
Spoiler: 3D printed! The colored ports really sell the effect If you’re anything like me, you’ve found the new, tinier Mac mini to be absolutely adorable. But you might also be like me that you either already have an awesome M1 Mac mini that you have no real reason to replace,...
Willem's Blog
Fixed Gear Gran Fondo Taking a fixed gear road bike for a gran fondo! Let some of my fun be of inspiration to you!
over a year ago
Buck on Software
Thinking incrementally about SaaS An overview of the key output of the growth software machine
over a year ago
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
2
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...
Vitalik Buterin's...
A Quick Gasprice Market Analysis
over a year ago
Jonas Hietala
IDA Summer of Code 2014 IDA Summer of Code is Linköping University’s response to Google Summer of Code. Students can send in...
over a year ago
3
over a year ago
IDA Summer of Code is Linköping University’s response to Google Summer of Code. Students can send in a project of their choice and if selected they get paid to work on it for 4 weeks during the summer. In return the university get to show off the students and their projects in...
Notes on software...
Transparency and communication on small teams I saw a post on dev.to that talks about dysfunctional teams. This is a response that...
over a year ago
1
over a year ago
I saw a post on dev.to that talks about dysfunctional teams. This is a response that focuses specifically on how to prevent burnout from overworking. This is aimed at senior/lead engineers and engineering/project managers -- because everyone in a leadership role is responsible...
Vitalik Buterin's...
Why Proof of Stake (Nov 2020)
over a year ago
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
1
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...
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
3
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.
Louwrentius
Benchmark results of Random I/O performance of different RAID levels Introduction I have performed some benchmarks to determine how different RAID levels perform when...
over a year ago
3
over a year ago
Introduction I have performed some benchmarks to determine how different RAID levels perform when handling a 100% random workload of 4K requests. This is a worst-case scenario for almost every storage subsystem. Normal day-to-day workloads may not be that harsh in a real-life...
Louwrentius
Using InfiniBand for cheap and fast point-to-point Networking InfiniBand networking is quite awesome. It's mainly used for two reasons: low latency high...
over a year ago
2
over a year ago
InfiniBand networking is quite awesome. It's mainly used for two reasons: low latency high bandwidth As a home user, I'm mainly interested in setting up a high bandwidth link between two servers. I was using quad-port network cards with Linux Bonding, but this solution has some...
Arduino Blog
This Strandbeest-style coffee table can deliver drinks More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten...
3 months ago
32
3 months ago
More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten walking sculptures. Even after decades, they have an almost mythical allure thanks to the incredibly fluid way in which they walk. They’re clearly constructs, but with gaits that...
Willem's Blog
Understanding the security concerns in shared hosting People pay me to hack them, provided I'll explain how I did it. Read along to learn how hackers use...
over a year ago
3
over a year ago
People pay me to hack them, provided I'll explain how I did it. Read along to learn how hackers use security holes to hack your app, webshop or website!
Birchtree
Yet more YouTube videos I've enjoyed recently I guess this is a series now… Do you have a chair where "half dirty" clothes go? If so, this chair...
a week ago
5
a week ago
I guess this is a series now… Do you have a chair where "half dirty" clothes go? If so, this chair will be very compelling. I'm not a big fan of most Apple TV+ shows, but Severance was lovely and I can't wait
anderegg.ca
The “Home Alone” / “NiGHTS into Dreams” connection NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one...
2 weeks ago
5
2 weeks ago
NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one of my favourites from the Saturn lineup, and it also had a free Christmas version. In it, there’s a song I really love that plays on the level select screen called Gate of Your...
Posts on Made of...
Measuring Capacity Through Utilization (This post is cross-posted from Honeycomb’s instrumentation series). One of my favorite concepts...
over a year ago
2
over a year ago
(This post is cross-posted from Honeycomb’s instrumentation series). One of my favorite concepts when thinking about instrumenting a system to understand its overall performance and capacity is what I call “time utilization”. By this I mean: If you look at the behavior of a...
Nabeel S. Qureshi
Advice That Actually Worked For Me My contribution to the 'productivity advice' genre.
over a year ago
Louwrentius
1.0 GB/s using Linux software RAID I filled the Norco case with hardware. It is now up and running, based on Debian Linux (Lenny). I...
over a year ago
2
over a year ago
I filled the Norco case with hardware. It is now up and running, based on Debian Linux (Lenny). I immediately performed some initial tests with software RAID 0. The results are just astounding. debian:~# dd if=/dev/md0 of=/dev/null bs=1M count=50000 50000+0 records in 50000+0...
Louwrentius
How to build an energy efficient computer for home use In short: Buy whatever you fucking want. Turn the fucking thing off when you're not using...
over a year ago
3
over a year ago
In short: Buy whatever you fucking want. Turn the fucking thing off when you're not using it. Long: People are spending a lot of time building an energy efficient home computer, that can act as an HTPC, NAS, or whatever. It must consume as little power as possible, because it it...
./techtipsy
Tech tip: eliminate HDD humming noise Anyone that has bought themselves external WD drives from the Elements/My Book/Easystore series are...
over a year ago
27
over a year ago
Anyone that has bought themselves external WD drives from the Elements/My Book/Easystore series are probably familiar with the acoustic characteristics of the drives. The drives have a loud hum caused by WD running the drives at 7200rpm while claiming the drives to be...
Bryan Braun - Blog
Why we prefer computers over consoles when introducing kids to gaming I grew up gaming on consoles like Nintendo 64 and Gamecube. I have a lot of fond memories playing...
9 months ago
3
9 months ago
I grew up gaming on consoles like Nintendo 64 and Gamecube. I have a lot of fond memories playing games with my brothers on those devices. But as my own kids have gotten older, my wife and I have decided to first introduce them to gaming with computers, instead of consoles. The...
Opsbros
The Bindicator So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it....
over a year ago
2
over a year ago
So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it. The one shown is the Rev-1 design which is far from perfect, in fact it has several major issues I will discuss below, however it definitely works,
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
2
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...
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
3
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.
Willem's Blog
Working with special hardware from China This month I reversed engineered my way into developing software for a Chinese Android device with...
over a year ago
2
over a year ago
This month I reversed engineered my way into developing software for a Chinese Android device with an embedded printer!
./techtipsy
Back to roots This blog is running on a home server again. I have once again gained access to a competent internet...
6 months ago
74
6 months ago
This blog is running on a home server again. I have once again gained access to a competent internet connection1, and I think I have figured out the IPv6 setup as well2, leading to this change. The IP address is dynamic, there are occasional power outages and I might just mess up...
Engineers Need Art
Jigsaw Puzzle Those of us who fiddled while Apple Computer burned. Well, actually some of us put together a big...
over a year ago
59
over a year ago
Those of us who fiddled while Apple Computer burned. Well, actually some of us put together a big jigsaw puzzle.
Good Enough
Pika: Start Your Happy Blog Have you thought about starting or restarting a blogging habit? Have you wanted to write on the...
10 months ago
3
10 months ago
Have you thought about starting or restarting a blogging habit? Have you wanted to write on the internet, but at your own place and at your own address rather than on a social network? Have you been overwhelmed by the online writing options that you’ve found? Well, have we got...
Jonas Hietala
Entering Pintos First week of school is over and it’s been full throttle from the start, in a good way. We’re having...
over a year ago
3
over a year ago
First week of school is over and it’s been full throttle from the start, in a good way. We’re having four courses and for once I like them all. We have an interesting math course, a useful course “Software Development in Theory” (boring but useful) and a big project course where...
Applied Cartography
October, 2024 Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives...
a month ago
4
a month ago
Hello! Lots of writing in October (what early parenthood takes away in terms of deep flow, it gives back in terms of twenty-minute pockets of time and thought): On the content front, I wrote about Monster Sanctuary (a delightful JRPG), The Anderson Tapes (a solid late-period Sean...
Computer Ads from...
Small Systems Engineering's PETSPEED Fast Enough for the Human Race
5 months ago
Good Enough
Say hello to Jelly: the simplest way to jam on email as a team Dear readers, we need to apologize. We know some of you have noticed that Good Enough has gotten...
5 months ago
2
5 months ago
Dear readers, we need to apologize. We know some of you have noticed that Good Enough has gotten much quieter this year than last, across this blog, our newsletter, and socials. We’ve been heads down for the last few months on something new, but we’re now ready to come back up...
Posts on Made of...
CVE-2010-4258: Turning denial-of-service into privilege escalation Dan Rosenberg recently released a privilege escalation bug for Linux, based on three different...
over a year ago
3
over a year ago
Dan Rosenberg recently released a privilege escalation bug for Linux, based on three different kernel vulnerabilities I reported recently. This post is about CVE-2010-4258, the most interesting of them, and, as Dan writes, the reason he wrote the exploit in the first place. In...
./techtipsy
How I ended up working as a software developer I’ve officially worked as a software developer since August 2016, and by now I have a fair share of...
4 months ago
55
4 months ago
I’ve officially worked as a software developer since August 2016, and by now I have a fair share of stories to tell from those years. But those are stories for another time. Today I’d like to focus on where it all got started. The early days I never considered myself good with...
Jonas Hietala
The current Cybershard layout This is the keyboard layout I’m using for my custom keyboard that I generated, printed, and...
3 weeks ago
4
3 weeks ago
This is the keyboard layout I’m using for my custom keyboard that I generated, printed, and hand-wired. It’s a minimalistic keyboard of 35 keys and features an integrated trackball on the right-hand side. The keyboard layout started out as a direct copy of the T-34 keyboard...
Ken Shirriff's blog
Inside a ferroelectric RAM chip Ferroelectric memory (FRAM) is an interesting storage technique that stores bits in a special...
3 months ago
3
3 months ago
Ferroelectric memory (FRAM) is an interesting storage technique that stores bits in a special "ferroelectric" material. Ferroelectric memory is nonvolatile like flash memory, able to hold its data for decades. But, unlike flash, ferroelectric memory can write data...
./techtipsy
Why I went back to using a ThinkPad from 2012 This post is inspired by this article from the Low-tech Magazine. I highly recommend giving that a...
over a year ago
35
over a year ago
This post is inspired by this article from the Low-tech Magazine. I highly recommend giving that a read as well! Over my lifetime, I’ve used a bunch of different computers, mainly due to new ideas and requirements popping into my mind every time I’m content with my current setup....
Vitalik Buterin's...
Encapsulated vs systemic complexity in protocol design
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...
a week ago
4
a week 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...
Engineers Need Art
Building Quarter-Cab - Phase I Lets build a simple virtual pinball controller to bring more immersion to your game.
7 months ago
Applied Cartography
Order, Tailwind, DRY (Order in the CSS rule sense, not the metaphysical sense.) The time has come to begin exfiltrating...
4 days ago
12
4 days ago
(Order in the CSS rule sense, not the metaphysical sense.) The time has come to begin exfiltrating some higher-traffic, higher-leverage parts of Buttondown's admin UI away from the autogenerated Django admin and into some more bespoke components. Take, for instance, this rather...
Louwrentius
The kind of sound you never want to hear from your computer The sounds of hard drives that have perished These sounds are only frightening or scary if you...
over a year ago
2
over a year ago
The sounds of hard drives that have perished These sounds are only frightening or scary if you imagine your precious data only exists on that failing drive. If you make consistent and frequent backups and/or you run a fault-tolerant RAID flavour, it is but a nuisance.
Arduino Blog
Team Ikaro scores success with the Arduino Nano RP2040 Connect! Team Ikaro is a vibrant group of high school students from the Pacinotti Archimede Institute in...
3 months ago
35
3 months ago
Team Ikaro is a vibrant group of high school students from the Pacinotti Archimede Institute in Rome, sharing a strong passion for electronics and turning heads in the world of robotics! Specializing in Soccer Lightweight games (where robot-soccer players compete to score goals...
Arduino Blog
Controlling a drum machine with the Arduino Opta Makers have long asked the question “why bother with an expensive PLC when I can just use an...
5 months ago
66
5 months ago
Makers have long asked the question “why bother with an expensive PLC when I can just use an Arduino?” The answer comes down to the priorities and needs of industrial clients. In a factory automation setting, the client will prioritize durability, reliability, and serviceability...
GitButler
Fearless Rebasing GitButler now supports first class conflicts, which makes rebasing much less annoying. What is...
2 months ago
4
2 months ago
GitButler now supports first class conflicts, which makes rebasing much less annoying. What is "fearless rebasing"?
Jonas Hietala
2014 in Review Previous reviews: 2010, 2011, 2012 and 2013. 2014 Geek Achievements Solved 73 UVa problems. Won a...
over a year ago
2
over a year ago
Previous reviews: 2010, 2011, 2012 and 2013. 2014 Geek Achievements Solved 73 UVa problems. Won a turn in IMPA and solved a bunch of problems. Completed a doctorand course about algorithmic problem solving. Finished my 4 first years in University. Became a contributor to rust and...
Vitalik Buterin's...
Gitcoin Grants Round 9: The Next Phase of Growth
over a year ago
Jonas Hietala
Extracting schedule information from timeedit At LIU we use timeedit to track our schedules. Recently they updated their interface and improved...
over a year ago
2
over a year ago
At LIU we use timeedit to track our schedules. Recently they updated their interface and improved some parts. It’s now possible to create a prenumeration of a collection of courses exported as csv which can then be imported to other calendar apps. But they also started to...
Christian Selig
The Caldera: a sleek split and wireless keyboard I designed my own keyboard and it’s freely available! I’m calling it the Caldera, and it’s basically...
5 months ago
57
5 months ago
I designed my own keyboard and it’s freely available! I’m calling it the Caldera, and it’s basically my dream wireless split keyboard. I’ve been using it for months, and I love it. Video overview If you’re a visual person, I made a fun little video showcasing the...
Jonas Hietala
Building the GH60 I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller...
over a year ago
3
over a year ago
I’ve finally completed my first custom made keyboard. I’m still missing stabilizers and some smaller screws to hold it all together but I’ve been using it the last days and I thought I’d share. The hardware Several years ago I joined the geekhack forum and I joined in a few group...
Christian Selig
First on New Blog Converted the blog over to a new Hugo theme! Hopefully everything here sorta works. Test post will...
a year ago
47
a year ago
Converted the blog over to a new Hugo theme! Hopefully everything here sorta works. Test post will remove. This goat’s name is apparently Gubgub, and very cute.
Home on Erik...
Nearest neighbor methods and vector models – part 1 This is a blog post rewritten from a presentation at NYC Machine Learning last week. It covers a...
over a year ago
3
over a year ago
This is a blog post rewritten from a presentation at NYC Machine Learning last week. It covers a library called Annoy that I have built that helps you do (approximate) nearest neighbor queries in high dimensional spaces.
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...
Neil Madden
Regular JSON For better or worse, depending on your perspective, JSON has become a dominant data format and shows...
a year ago
1
a year ago
For better or worse, depending on your perspective, JSON has become a dominant data format and shows no signs of being replaced any time soon. There are good reasons for that: on the face of it, it provides a very simple format with just enough features to cover a lot of...
axio.ms
Pickle plus mains Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with...
over a year ago
3
over a year ago
Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with some science. Our experiment was to observe the conduction of electricity through a pickle, using salt ions. We connected a pickle to the mains supply. Pickles have a strong...
./techtipsy
OpenWRT, ISP modem and dynamic IP addresses: how to fix connectivity issues without rebooting your... My current ISP provides an internet connection over a copper wire. To use it, I have a crappy modem...
7 months ago
127
7 months ago
My current ISP provides an internet connection over a copper wire. To use it, I have a crappy modem (Technicolor CGA2121, DOCSIS 3.0). It’s running in bridge mode, meaning that all it does is convert the signal running over the coax cable into plain old Ethernet. My main...
Posts on Made of...
Tracking down a memory leak in Ruby's EventMachine At Stripe, we rely heavily on ruby and EventMachine to power various internal and external services....
over a year ago
2
over a year ago
At Stripe, we rely heavily on ruby and EventMachine to power various internal and external services. Over the last several months, we’ve known that one such service suffered from a gradual memory leak, that would cause its memory usage to gradually balloon from a normal ~50MB to...
Birchtree
I’m Knee-Deep in Turkey Another week, another fantastically fun episode of Comfort Zone! This week Niléane talked about her...
2 weeks ago
6
2 weeks ago
Another week, another fantastically fun episode of Comfort Zone! This week Niléane talked about her new Flight Simulator obsession, we go on a tangent about PC gaming, Chris (who says he’s an iPad guy) brings another Mac to talk about, and I had the gang look
Jonas Hietala
Monty Hall I’m currently reading The Drunkard’s Walk, a well written book about probabilities. There they...
over a year ago
2
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...
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
2
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,...
Vitalik Buterin's...
On Nathan Schneider on the limits of cryptoeconomics
over a year ago
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
2
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...
Notes on software...
How do databases execute expressions? Databases are fun. They sit at the confluence of Computer Science topics that might otherwise not...
a year ago
3
a year ago
Databases are fun. They sit at the confluence of Computer Science topics that might otherwise not seem practical in life as a developer. For example, every database with a query language is also a programming language implementation of some caliber. That doesn't include all...
Matt Blewitt
So, You Want To Build A DBaaS So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a...
a year ago
2
a year ago
So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a result, you are making state and coordination your problem. Here are some things I’ve learned to keep in mind as you embark on this project, in no particular order (other than the...
Arduino Blog
Seaside Sweeper keeps beaches pristine Without anyone caring for them, beaches quickly become trash-covered swaths of disappointment. That...
7 months ago
44
7 months ago
Without anyone caring for them, beaches quickly become trash-covered swaths of disappointment. That care is necessary to maintain the beautiful sandy havens that we all want to enjoy, but it requires a lot of labor. A capstone team of students from the University of Colorado...
Louwrentius
Did you know that RDP is as insecure as telnet? Microsoft developed the remote desktop protocol in order to allow remote GUI- based access to hosts....
over a year ago
3
over a year ago
Microsoft developed the remote desktop protocol in order to allow remote GUI- based access to hosts. It is easy to pick on Microsoft and I do respect what they have accomplished, however, it may not come as a surprise that they did it all wrong with RDP in terms of security. By...
Arduino Blog
This frighteningly realistic animatronic head features expressive silicone skin The human face is remarkably complex, with 43 different muscles contorting the skin in all kinds of...
a week ago
19
a week ago
The human face is remarkably complex, with 43 different muscles contorting the skin in all kinds of ways. Some of that is utilitarian — your jaw muscles are good for chewing, after all. But a lot of it seems to be the result of evolution giving us fantastic non-verbal...
Jonas Hietala
(Fake) Bittman Chinese Chicken Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on...
over a year ago
2
over a year ago
Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on multiple fronts: chicken wings instead of chicken breasts, mushroom soy instead of tamarin, roman salad instead of baby bok choi (where the heck do you find that…) and I even...
Applied Cartography
Globals in Histoire Histoire, like so many other tools in the Vue ecosystem, is a bit of a neglected younger sibling to...
9 months ago
2
9 months ago
Histoire, like so many other tools in the Vue ecosystem, is a bit of a neglected younger sibling to Storybook — a little bit uglier, with worse documentation and a couple rough edges, but much more tightly integrated with Vue and Vite. [1] One thing that was not particularly...
Home on Erik...
It's called Berkson's paradox! As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's...
over a year ago
3
over a year ago
As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's paradox. Here's another example: Why Are Handsome Men Such Jerks?
Jonas Hietala
Sat-E So I entered Ludum Dare 22 this weekend as a preamble for tomorrow’s linear algebra exam. The theme...
over a year ago
2
over a year ago
So I entered Ludum Dare 22 this weekend as a preamble for tomorrow’s linear algebra exam. The theme this time around was Alone and the game I came up with is about a lonely satellite in space, kinda like Wall-E. Sat-E Instructions Collect junk and other items for you to buy...
Posts on Made of...
Software Engineers should keep lab notebooks Software engineers, as a rule, suck at writing things down. Part of this is training – unlike...
over a year ago
2
over a year ago
Software engineers, as a rule, suck at writing things down. Part of this is training – unlike chemists and biologists who are trailed to obsessively document everything they do in their lab notebooks, computer scientists are taught to document the end results of their work, but...
Arduino Blog
This small device enables users to feel braille through haptics For the visually impaired community, most of their interactions on mobile phones are confined to...
7 months ago
64
7 months ago
For the visually impaired community, most of their interactions on mobile phones are confined to text-to-speech (TTS) interfaces that read portions of the screen aloud. Dynamic braille displays also exist as a tactile means of communication, but their prices can get close to...
Home on Erik...
Calculating cosine similarities using dimensionality reduction This was posted on the Twitter Engineering blog a few days ago: Dimension Independent Similarity...
over a year ago
3
over a year ago
This was posted on the Twitter Engineering blog a few days ago: Dimension Independent Similarity Computation (DISCO) I just glanced at the paper, and there's some cool stuff going on from a theoretical perspective. What I'm curious about is why they didn't decide to use...
Louwrentius
'Syslog: the hidden security risk' People sometimes forget that there are also a number of UDP-based services that may pose a threat to...
over a year ago
3
over a year ago
People sometimes forget that there are also a number of UDP-based services that may pose a threat to the security of your systems. SNMP is a well-known service, notorious for being configured with a default password (or community string). But there is another service that is...
Vitalik Buterin's...
Degen communism: the only correct political ideology
8 months ago
Opsbros
Docker and CumulusMX I wanted to find out if I could successfully redeploy my Weather Station monitoring software into a...
over a year ago
2
over a year ago
I wanted to find out if I could successfully redeploy my Weather Station monitoring software into a Docker container. Let's battle the elements together...
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...
a month ago
4
a month 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...
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
22
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...
./techtipsy
Trying out VR on an AMD Ryzen 4000 series APU You may know that I really like small, efficient APU-based builds. At this point in time, they’re so...
over a year ago
36
over a year ago
You may know that I really like small, efficient APU-based builds. At this point in time, they’re so close to being a viable mainstream option for gaming, especially the Ryzen 6000-series mobile APU-s. Forza Horizon 5, at 1080p high settings? Yes, they’re that good. I don’t have...
Notes on software...
Standard ML in 2020 Incredibly, Standard ML implementations are still actively developed. MLton, Poly/ML, MLKit, SML#...
over a year ago
2
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...
./techtipsy
How to take down production with a single Helm command You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux user.1 You know Kubernetes,...
8 months ago
110
8 months ago
You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux user.1 You know Kubernetes, especially after the time you migrated some services to it. Everything is calm. Your pods are running. Your service is up. Business as usual. You release some minor changes to...
Willem's Blog
Rolex DateJust 36 Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like?...
over a year ago
2
over a year ago
Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like? Keep reading!
Posts on Made of...
DEF CON I’m sitting in the airport in Las Vegas on the way back from DEF CON 15. It’s the first time I’ve...
over a year ago
2
over a year ago
I’m sitting in the airport in Las Vegas on the way back from DEF CON 15. It’s the first time I’ve been at the con, and it wasn’t really what I expected. Frankly, I walked away feeling kinda underwhelmed. Very few of the talks were as technical as I was hoping – they were almost...
Posts on Made of...
Property Testing Like AFL In my last last post, I argued that property-based testing and fuzzing are essentially the same...
over a year ago
3
over a year ago
In my last last post, I argued that property-based testing and fuzzing are essentially the same practice, or at least share a lot of commonality. In this followup post, I want to explore that idea a bit more: I’ll first detour into some of my frustrations and hesitations around...
Jonas Hietala
Beebop The Island Hopper It’s here! The stuff of dreams, an entry for the epic Ludum Dare 17 has been made! For those who...
over a year ago
2
over a year ago
It’s here! The stuff of dreams, an entry for the epic Ludum Dare 17 has been made! For those who don’t know it’s a 48 hour game making competition which actually is pretty silly. Even more silly is my two hours of commitment yesterday but late this night at about 03:05 I am now,...
Birchtree
I don’t care about bad or missing features that I don’t use Sometimes I’ll talk about something I like online and people will express shock that I can use a...
2 weeks ago
6
2 weeks ago
Sometimes I’ll talk about something I like online and people will express shock that I can use a product that has such a clear downside. I’ve gotten people ask how I can use Things since it doesn’t have shared task lists. More recently I
Louwrentius
Buying a new computer *** Desktop or Laptop *** When deciding on which computer to buy, the first decision you have to...
over a year ago
2
over a year ago
*** Desktop or Laptop *** When deciding on which computer to buy, the first decision you have to make is about whether to go for a desktop or a laptop. There was a time that many believed that the desktop would become a niche product. Most people want a laptop because they can...
Louwrentius
The iPad will be the death of Flash So Apple finally released their tablet computer: the iPad. One of the most debated drawbacks is that...
over a year ago
3
over a year ago
So Apple finally released their tablet computer: the iPad. One of the most debated drawbacks is that it lacks support for Adobe Flash. The iPhone does not support Flash either, and since the iPad is based on the iPhone OS, this should not come as a surprise. Now many people see...
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
88
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...
Jonas Hietala
Doing Stuff The school and my life is trotting along. I’m handling the extra course fine, but instead I’ve left...
over a year ago
2
over a year ago
The school and my life is trotting along. I’m handling the extra course fine, but instead I’ve left the standard math course behind a bit. Actually more than a bit but hopefully I’ll correct things later. No my life is going along just fine, it almost feels like my life is runing...
Jonas Hietala
Christmas break So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and...
over a year ago
3
over a year ago
So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and I really enjoy studying here. We had lisp the whole time which is a pretty sweet little language and if you haven’t, give it a shot. Then we had math and I do like math, although I...
Home on Erik...
Delivering Music Recommendations I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from...
over a year ago
3
over a year ago
I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from Rohan Singh at Spotify talking about the backend infrastructure of the Discover page.
Posts on Made of...
New reptyr feature: TTY-stealing Ever since I wrote reptyr, I’ve been frustrated by a number of issues in reptyr that I fundamentally...
over a year ago
2
over a year ago
Ever since I wrote reptyr, I’ve been frustrated by a number of issues in reptyr that I fundamentally didn’t know how to solve within the reptyr model. Most annoyingly, reptyr fundamentally only worked on single processes, and could not attach processes with children, making it...
watchTowr Labs -...
Auth. Bypass In (Un)Limited Scenarios - Progress MOVEit Transfer (CVE-2024-5806) In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log: 13:37 -!-...
6 months ago
3
6 months ago
In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log: 13:37 -!- dav1d_bl41ne [def_not_phalanx@kernel.org] has joined #!hack (irc.efnet.nl) 13:37 -!- dav1d_bl41ne changed the topic of #!hack to: mag1c sh0w
Willem's Blog
How to use rsync to make backups In this post I'll explain how to use rsync to transfer files to another computer system in an...
over a year ago
2
over a year ago
In this post I'll explain how to use rsync to transfer files to another computer system in an efficient manner, suitable to be used in a backup script.
Arduino Blog
Ready for SPS Italia 2024? Ready for accessible industrial automation! Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our...
7 months ago
64
7 months ago
Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our open-source solutions are revolutionizing the industrial sector with high performance and accessibility. At Arduino’s booth #C020, hall 7, we’ll be presenting the latest additions 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
2
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.
Jonas Hietala
Bugger Ahhh… Finally another game! Theme of this beauty is Failure and your mission here is to avoid the...
over a year ago
2
over a year ago
Ahhh… Finally another game! Theme of this beauty is Failure and your mission here is to avoid the bugs. As a programmer the fight with those nasty bugs are a daily occurrence and now I’ve brought you a chance to kill those nasties too! The gameplay wasn’t what I was planning on -...
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
2
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...
Arduino Blog
An Arduino-powered robotic ukulele that plays itself The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any...
4 months ago
50
4 months ago
The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any other and that means it takes a lot of practice to play competently. Zeroshot is too busy building cool stuff to bother with all of that, so he put his skills to use constructing...
Lighthouse Blog
Updates November 24: Content parsing improvements
a year ago
Vitalik Buterin's...
Against choosing your political allegiances based on who is "pro-crypto"
5 months ago
Gwern.net Newsletter
September 2020 News September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no...
over a year ago
2
over a year ago
September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no reviews.
Notes on software...
We put a distributed database in the browser – and made a game of it This is an external post of mine. Click here if you are not redirected.
a year ago
Applied Cartography
Linear I invited nickd to join our Linear instance yesterday, which reminded me that I had a slew of notes...
5 days ago
10
5 days ago
I invited nickd to join our Linear instance yesterday, which reminded me that I had a slew of notes I wanted to publish on our own experience of migrating from GitHub Issues to Linear, and some reflections on it as a product now that we've been using it for a few months. One...
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
2
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...
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
2
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...
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
2
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...
Arduino Blog
An engineer’s journey to bring the ultimate TMJ pain relief tool to market To the average person, invention and new product development seem like pretty straightforward...
2 months ago
17
2 months ago
To the average person, invention and new product development seem like pretty straightforward processes; you come up with a killer idea, do the engineering work to cobble together a working prototype, have a truckload of units manufactured, and then sell those to turn a profit....
Notes on software...
Responsibility and ownership Responsibility is only possible by granting ownership and setting expectations. If you don't turn...
over a year ago
1
over a year ago
Responsibility is only possible by granting ownership and setting expectations. If you don't turn over ownership, don't expect folks to take responsibility. When you grant ownership and set expectations, you'll be astounded what folks will accomplish without you. I am astounded.
Posts on Made of...
Confessions of a programmer: I hate code review Most of the projects I've been working on today have fairly strict code review policies. My work...
over a year ago
2
over a year ago
Most of the projects I've been working on today have fairly strict code review policies. My work requires code review on most of our code, and as we bring on an army of interns for the summer, I've been responsible for reviewing lots of code. Additionally, about five months ago...
Willem's Blog
Hospitalised with MCADD This week our son was hospitalised because a regular illness caused him to keep vomiting, a...
over a year ago
2
over a year ago
This week our son was hospitalised because a regular illness caused him to keep vomiting, a dangerous situation if you're diagnosed with MCADD.
Jonas Hietala
10 Games in 10 Languages For school we have this programming course for Java. It isn’t anything special really and it would...
over a year ago
2
over a year ago
For school we have this programming course for Java. It isn’t anything special really and it would be really boring if I don’t like to program, it almost is anyway, if it weren’t for the fact that we’re to create a game! Just any game will do and we’re in a group of two and we...
Jonas Hietala
My Dream Game: The RTS Even if there are a million great games there’s one that has a very special place in my heart:...
over a year ago
2
over a year ago
Even if there are a million great games there’s one that has a very special place in my heart: Supreme Commander. It’s not the game I’ve played the most and there might even be games which are better and more fun but supcom was the game that introduced me to competitive gaming...
Jonas Hietala
Pushing toward Git The time has come; it’s time for me to move my source out in the open for the first time. Repository...
over a year ago
2
over a year ago
The time has come; it’s time for me to move my source out in the open for the first time. Repository deleted, never became anything Available on Github It’s nothing special really, if you want take a look at the code and help me improve it.
Arduino Blog
This miniature monorail stays upright with the help of gyro stabilization Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is...
3 months ago
36
3 months ago
Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is actually a very wide beam. The car’s load tires (often literal truck or trailer tires) roll on top of that beam and guide tires clamp the sides of the beam, preventing the car from...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 5: The Purge
a month ago
Simply Explained
How WebP Images Reduced My Bandwidth Usage by 50% Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP...
over a year ago
3
over a year ago
Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP images to save bandwidth and make this site even faster to load! This simple change reduced my bandwidth usage by 50% and is still backwards compatible with old devices and...
Louwrentius
Cryptocurrencies are detrimental to society Want to listen to this article? audio element. Introduction How would you explain the inner...
over a year ago
2
over a year ago
Want to listen to this article? audio element. Introduction How would you explain the inner workings of bitcoin to a person in simple, understandable terms? source This explanation seems perfect to me because it illustrates some seriously problematic aspects of...
Vitalik Buterin's...
Engineering Security Through Coordination Problems
over a year ago
Jonas Hietala
Back to Training Five days of school now and things are starting to settle down a bit. The courses are pretty cool;...
over a year ago
2
over a year ago
Five days of school now and things are starting to settle down a bit. The courses are pretty cool; we have linear algebra which is pretty interesting, we have a java course where we’re going to make a game (!) and one about structures and algorithms. Pretty promising but we’ll...
Willem's Blog
Search like a pro: Google search operators Read along for a comprehensive list of advanced Google search operators that allow you to filter...
over a year ago
2
over a year ago
Read along for a comprehensive list of advanced Google search operators that allow you to filter your search results.
Good Enough
TIL: Overriding Permalink Generation in FriendlyId FriendlyId is a helpful Ruby gem that streamlines creating permalinks and slugs for Rails...
3 months ago
3
3 months ago
FriendlyId is a helpful Ruby gem that streamlines creating permalinks and slugs for Rails applications. In Pika we're using it to help with generating permalinks for blog posts and pages as well as slugs for tags. When a customer wrote in with a request to modify the behavior of...
latest projects -...
Badge [Hardware] A RISC-V LED matrix
a year ago
./techtipsy
How to copy media off of an iPhone the hard way (using Linux) I helped a family member upgrade to a newer iPhone and make some room so that the internal storage...
3 months ago
48
3 months ago
I helped a family member upgrade to a newer iPhone and make some room so that the internal storage does not run out. They had Nextcloud installed on the current phone, but due to limitations of the Nextcloud iOS app, the backups only take place if the app itself is open, meaning...
Matt Mullenweg
Welcoming Harper As announced by Automattic and covered by TechCrunch, I want to take a moment to welcome Elijah...
a month ago
5
a month ago
As announced by Automattic and covered by TechCrunch, I want to take a moment to welcome Elijah Potter and Harper to join Automattic. Harper is a super-fast (way faster than LanguageTool and Grammarly), local English grammar checker. The technology is nascent, but I’m very...
Vitalik Buterin's...
On Free Speech
over a year ago
Applied Cartography
Talking to customers You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten...
2 months ago
4
2 months ago
You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten through. There are people you haven't persuaded yet. These number mean dial it up. Otherwise you're like the French radical, watching the crowd run by and saying, "There go my people. I...
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!
3 weeks ago
Jonas Hietala
Netrunner Spring Tournament There was another, smaller, netrunner tournament about a week ago. I was looking forward to a very...
over a year ago
2
over a year ago
There was another, smaller, netrunner tournament about a week ago. I was looking forward to a very casual setting but there were also some guys who came from… Västerås I think, but I’m not sure. We managed to scrape together 9 people at least, and I didn’t notice anyone bringing...
Computer Ads from...
Two Interviews with Ken Kaplan, One of the Creators of OS-9 Two interview from two different time periods
4 months ago
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
2
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.
Engineers Need Art
Mooncraft 2000 A web-based game, Mooncraft 2000 is released.
over a year ago
Simply Explained
Make Your Garage Door Opener Smart: Shelly 1, ESPHome and Home Assistant I've been adding more and more devices to my smart home lately, so naturally, my garage door opener...
over a year ago
3
over a year ago
I've been adding more and more devices to my smart home lately, so naturally, my garage door opener had to follow. But instead of swapping it out for a new unit, I used a Shelly 1 and a cheap door contact sensor to make it smart for less than $20!It runs ESPHome (open-source, no...
Vitalik Buterin's...
Notes on Blockchain Governance
over a year ago
Applied Cartography
Typesafe routes in Vue I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would...
6 months ago
2
6 months ago
I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would call it formative, but it stuck in my craw as a platonic ideal of sorts, as something I couldn't really justify adopting within Buttondown but really wanted. I built out and...
computers are bad
2024-07-13 the contemporary carphone Cathode Ray Dude, in one of his many excellent "Quick Start" videos, made an interesting observation...
5 months ago
66
5 months ago
Cathode Ray Dude, in one of his many excellent "Quick Start" videos, made an interesting observation that has stuck in my brain: sophisticated computer users, nerds if you will, have a tendency to completely ignore things that they know are worthless. He was referring to the...
Jonas Hietala
Site restyle and update I’m not sure how I got started but I recently read an excellent book about typography: Butterick’s...
over a year ago
2
over a year ago
I’m not sure how I got started but I recently read an excellent book about typography: Butterick’s Practical Typography. It’s free and there’s a section Typography in ten minutes if you want the important bits. He makes a pretty good case for why it matters when he points out the...
Lighthouse Blog
How to manually add content to read it later
6 months ago
Simply Explained
MAX17043: Battery Monitoring Done Right (Arduino & ESP32) Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's...
over a year ago
2
over a year ago
Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's how to do it properly.
Neil Madden
A few clarifications about CVE-2022-21449 Just a few quick notes/updates to correct some potentially inaccurate statements that are floating...
over a year ago
2
over a year ago
Just a few quick notes/updates to correct some potentially inaccurate statements that are floating around on Reddit/Twitter etc: The bug only impacts Java 15 and above. The original advisory from Oracle incorrectly listed earlier versions (like 7, 8 and 11) as being impacted....
Notes on software...
Build a serverless ACID database with this one neat trick (atomic PutIfAbsent) Delta Lake is an open protocol for serverless ACID databases. Due to its simplicity, scalability,...
2 months ago
4
2 months ago
Delta Lake is an open protocol for serverless ACID databases. Due to its simplicity, scalability, and the number of open-source implementations, it's quickly becoming the DuckDB of serverless transactional databases for analytics workloads. Iceberg is a contender too, and is...
Simply Explained
Migrating This Blog From Jekyll to Eleventy Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't...
over a year ago
3
over a year ago
Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't looked back. Over the last few months, I have become fed up with Jekyll. It's slowing me down. Time to replace it with something new and shiny!
Jonas Hietala
Poking at Emacs I’ve been a vim vim fan for a while now and with some recent configs I’m starting to feel pretty...
over a year ago
2
over a year ago
I’ve been a vim vim fan for a while now and with some recent configs I’m starting to feel pretty confident and happy with it. For those who don’t know it’s basically a text editor, like notepad, but with a lot of keycommands which allows you to edit code (and text in general)...
Jonas Hietala
The End of the Tunnel Lately I’ve been feeling like there’s been a shit-ton of stuff going on, quite a turn-around from...
over a year ago
3
over a year ago
Lately I’ve been feeling like there’s been a shit-ton of stuff going on, quite a turn-around from the last time. One course about data structure and algorithms (super fun to be honest) has wrapped up. We thought we were ahead with the assignments but in the end it got very...
Arduino Blog
This automatic laser turret keeps the cats entertained for hours Cats may be adorable, but they evolved to be predators. Unfortunately, responsible owners keep their...
2 months ago
26
2 months ago
Cats may be adorable, but they evolved to be predators. Unfortunately, responsible owners keep their cats indoors to avoid decimating the local wildlife population and that means Mr. Whiskers and Ms. Socks don’t get much opportunity to express their hunting urges. That’s why...
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
2
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...
Arduino Blog
Adding real-time local voice controls to a SMARS Quad Mod robot with an Arduino RP2040 Connect Robotics kits like the Screwless/Screwed Modular Assemblable Robotic System (SMARS) are great tools...
4 months ago
43
4 months ago
Robotics kits like the Screwless/Screwed Modular Assemblable Robotic System (SMARS) are great tools for learning more about how electronics, mechanics, and software can combine to perform useful tasks in the physical world. And in his latest project, Edge Impulse’s senior...
Jonas Hietala
Bullets and AI The game is still far from being an actual game but some progress has been made. I fixed most of the...
over a year ago
2
over a year ago
The game is still far from being an actual game but some progress has been made. I fixed most of the collision detection problems and I’m now trying to make some sort of AI working for the ship. It’s a bit hard and time consuming and I don’t know how to make things good. Maybe...
Applied Cartography
The taste of beer Unlike stories, real life, when it has passed, inclines toward obscurity, not clarity. There’s a...
6 months ago
3
6 months ago
Unlike stories, real life, when it has passed, inclines toward obscurity, not clarity. There’s a relatively famous line from Bezos, circulated first at YC in ’08 and then more recently by the folks at Acquired (a great pod!): Jeff uses this analogy for AWS. He talks about...
Vitalik Buterin's...
[Mirror] Exploring Elliptic Curve Pairings
over a year ago
Posts on Made of...
How is duct tape like the force? I’m at Dragon*Con this weekend, my second time here now. I decided that if I was going to Dragon*Con...
over a year ago
2
over a year ago
I’m at Dragon*Con this weekend, my second time here now. I decided that if I was going to Dragon*Con again, I needed to do something in terms of costuming, and I wanted it to be something unique – I wasn’t going to come anywhere near as epic as some of the costumes people pull...
Notes on software...
Why (and how) to read books The last time I read for fun was in elementary school. Since college I knew I must read more, but I...
over a year ago
3
over a year ago
The last time I read for fun was in elementary school. Since college I knew I must read more, but I never forced myself to build the habit. Then three years ago I spent time around my brother and a coworker who were avid readers. This "peer pressure" helped me get started. Since...
Neil Madden
Some incomplete thoughts about Gödel I saw another article on Gödel’s incompleteness theorems linked from Reddit today. It’s a topic I’ve...
over a year ago
3
over a year ago
I saw another article on Gödel’s incompleteness theorems linked from Reddit today. It’s a topic I’ve wanted to write about for some time. Although many articles do a decent job in giving an idea of what the big deal is (and this one is pretty good), they can sometimes give a...
Ken Shirriff's blog
Inside the mechanical Bendix Air Data Computer, part 5: motor/tachometers The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses gears...
10 months ago
2
10 months ago
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses gears and cams for its mathematics. It was a key part of military planes such as the F-101 and the F-111 fighters, computing airspeed, Mach number, and other "air data". The rotating...
Jonas Hietala
Generating ideas So I got a fairly fun assignment from the game design course I’m taking for once. I should come up...
over a year ago
3
over a year ago
So I got a fairly fun assignment from the game design course I’m taking for once. I should come up with 50 ideas using my own idea generation technique. I used a sort of “notes in the basket” approach where you placed some notes with words in a basket and randomly drew two and...
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...
12 months ago
74
12 months 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...
Arduino Blog
A miniature Vegas Sphere is the perfect nightlight Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the...
4 months ago
35
4 months ago
Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the 21st century so far. Gaudy? Maybe. Controversial? Definitely. Interesting? Absolutely — no one can debate that with a straight face. When 15-year-old Ben Kennedy’s bedroom nightlight...
Willem's Blog
Batavus Champion bike from 1978 Restore the retro glory of an old bike from the 70s using the internet.
over a year ago
Vitalik Buterin's...
Where to use a blockchain in non-financial applications?
over a year ago
Louwrentius
Shunit2, unit testing for shell scripts This may be of interest to people who are as stupid as I am and write elaborate shell scripts...
over a year ago
2
over a year ago
This may be of interest to people who are as stupid as I am and write elaborate shell scripts instead of using a proper scripting language such as Python or Ruby. No I am deliberately not mentioning Perl here. Anyway, testing is always an issue. With PPSS, I encountered many...
Neil Madden
Is Datalog a good language for authorization? Datalog is a logic programming language, based on Prolog, which is seeing something of a resurgence...
over a year ago
2
over a year ago
Datalog is a logic programming language, based on Prolog, which is seeing something of a resurgence in interest in recent years. In particular, several recent approaches to authorization (working out who can do what) have used Datalog as the logical basis for access control...
Vitalik Buterin's...
How do layer 2s really differ from execution sharding?
7 months ago
Louwrentius
Linode hacked: the dark side of cloud hosting Linode has released an update about the security incident first reported on April 12, 2013. The...
over a year ago
2
over a year ago
Linode has released an update about the security incident first reported on April 12, 2013. The Linode Manager is the environment where you control your virtual private servers and where you pay for services. This is the environment that got compromised. Linode uses Adobe's...
Good Enough
Grassroots TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends,...
8 months ago
3
8 months ago
TLDNR: If you have an interest in Good Enough succeeding, we need your help! Telling friends, shouting on socials, and sharing links to our stuff with your favorite influencers–all of these things will help Good Enough succeed and continue making amazing stuff! As we’ve been...
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
3
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...
Willem's Blog
Developing a native iOS app How hard can it be to build your own cycling and running workout tracker app using native code with...
7 months ago
2
7 months ago
How hard can it be to build your own cycling and running workout tracker app using native code with some help from AI? Read along to find out!
Jonas Hietala
Rising from the Dead, it's Ludum Dare I’ve been a long time gone, been busy with school then having summer vacation and generally not...
over a year ago
3
over a year ago
I’ve been a long time gone, been busy with school then having summer vacation and generally not making games or blogging. But I have revived! I scrambled to push my new website live because today it’s Ludum Dare time! The theme is “Evolution” and it’s the 24th time for Ludum Dare...
Good Enough
Fixing Things In 2009 I started doing something called "business travel." I bought a piece of dependable luggage:...
a year ago
2
a year ago
In 2009 I started doing something called "business travel." I bought a piece of dependable luggage: the Travelpro WalkAbout Lite 2 22" Rollaboard Suiter. The reality was that this wasn't proper business travel. First, it'd only be two or three round-trip flights a year. Second,...
Odds and Ends of...
Important information if you used my Bluesky MP follows bot Please read this immediately.
2 weeks ago
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
3
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...
computers are bad
2024-04-05 the life of one earth station Sometimes, when I am feeling down, I read about failed satellite TV (STV) services. Don't we all?...
8 months ago
109
8 months ago
Sometimes, when I am feeling down, I read about failed satellite TV (STV) services. Don't we all? As a result, I've periodically come across a company called AlphaStar Television Network. PrimeStar may have had a rough life, but AlphaStar barely had one at all: it launched in...
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 4. LLVM conditionals and compiling fibonacci Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables ...
over a year ago
3
over a year ago
Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables 3. LLVM 5. LLVM system calls 6. an x86 upgrade In this post we'll extend the compiler's LLVM backend to support compiling conditionals such that we can support...
Jonas Hietala
ghc 8.8.3 cannot find cabal 3.0.0.0 packages I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system...
over a year ago
3
over a year ago
I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system it suddenly stopped working. I installed my dependencies with cabal install xmonad, and checked that it’s installed under ~/.cabal: $ ls .cabal/bin/ xmonad@ But still when I...
Jonas Hietala
Reinstalling Slackware So I reinstalled slackware on my machine and decided to take some rough notes of the most important...
over a year ago
2
over a year ago
So I reinstalled slackware on my machine and decided to take some rough notes of the most important steps I made. I did not document the steps in detail, and some are very specific for my setup. But maybe it can be useful for someone, or myself. Basic steps Make slackware usb...
Home on Erik...
Everything I learned about technical debt I just made it to Sweden suffering from jet lag induced insomnia, but this blog post will not cover...
over a year ago
3
over a year ago
I just made it to Sweden suffering from jet lag induced insomnia, but this blog post will not cover that. Instead, I will talk a little bit about technical debt. The concept of technical debt always resonated with me, partly because I always like the analogy with “real” debt.
Louwrentius
Linux Iptables Firewall Script released on Google code I have released LIFS, the Linux Iptables Firewall Script. This script allows you to setup a firewall...
over a year ago
3
over a year ago
I have released LIFS, the Linux Iptables Firewall Script. This script allows you to setup a firewall within minutes. It is easy to use, yet very powerful. It uses Iptables and even improves upon some limitations of Iptables. Every person who has to maintain some kind of...
Applied Cartography
How shadcn/ui examples work I’m increasingly convinced that for developer-first tools, a really good docs experience is a...
7 months ago
2
7 months ago
I’m increasingly convinced that for developer-first tools, a really good docs experience is a durable, non-trivial advantage. Part of this thesis is that Really Good Docs Experiences, in addition to having great information architecture and strong writing/prose, should be thought...
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
2
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...
csvbase blog
There are 665 open licences, most are pretty rubbish you are in a maze of twisty licences, all alike
3 months ago
Louwrentius
Benchmarking a 1.44 MB floppy drive I've used fio - a storage benchmarking tool - to benchmark a 1.44 MB floppy drive to gauge its...
over a year ago
2
over a year ago
I've used fio - a storage benchmarking tool - to benchmark a 1.44 MB floppy drive to gauge its random I/O performance. I have no real reason for doing this. I just thought it was funny. I've run a benchmark against the floppy drives for different queue depths. The results are...
Lighthouse Blog
Updates March 01
9 months ago
Applied Cartography
Shipping is capturing value This great essay from Sean Goedecke went viral two weeks ago, drawing fury and fervor alike for a...
4 weeks ago
5
4 weeks ago
This great essay from Sean Goedecke went viral two weeks ago, drawing fury and fervor alike for a Moral Mazes-esque analysis of how engineers at large companies should think about shipping: Shipping is a social construct within a company. Concretely, that means that a project is...
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
3
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...
Yazin Alirhayim
Serializing and deserializing a Cookie Jar I was recently working on a way to serialize and deserialize a Faraday connection that uses...
over a year ago
2
over a year ago
I was recently working on a way to serialize and deserialize a Faraday connection that uses HTTP::CookieJar to manage persistent cookies across requests. I needed to do this because I wanted a way to “freeze” an HTTP connection instance, and later “thaw” it to resume the...
Home on Erik...
Norvig's claim that programming competitions correlate negatively with being good on the job I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation...
over a year ago
3
over a year ago
I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation between being good at programming competitions and being good at the job. There were some decent Hacker News comments on it.
Louwrentius
LFS - Linux Firewall Script released I started a small new Google project for a new script I wrote called LFS. It stands for Linux...
over a year ago
2
over a year ago
I started a small new Google project for a new script I wrote called LFS. It stands for Linux Firewall Script. I run a small Linux box as an internet router that doubles as a firewall. The firewall is configured using iptables. In my opinion, iptables is not the easiest tool to...
Lighthouse Blog
Updates June 14
6 months ago
Arduino Blog
This device prevents garage door security breaches Your automatic garage door is almost certainly the most vulnerable access point in your house....
2 months ago
34
2 months ago
Your automatic garage door is almost certainly the most vulnerable access point in your house. Traditional systems are notorious for their susceptibility to replay attacks, but even more sophisticated modern garage door openers and those that lack remote functionality entirely...
Yazin Alirhayim
Part 2: Will greater access to capital spark Bahrain’s economy? 👉 If you haven’t read Part 1, do that first. In the last post, I discussed the question of access...
over a year ago
3
over a year ago
👉 If you haven’t read Part 1, do that first. In the last post, I discussed the question of access to capital and why’s important to verify that we do in fact have a problem before we attempt to “solve” it. Now, we’re going to talk about the method for measuring the extent of...
Christian Selig
Introducing Juno for Apple Vision Pro YouTube is probably one of the parts of the internet I consume the most, so I was more than a little...
10 months ago
71
10 months ago
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little sad when YouTube announced that they don’t have plans to build a visionOS app, and disabled the option to load the iPad app. This leaves you with Safari, and the website is okay,...
Louwrentius
Why I Do Use ZFS as a File System for My NAS On February 2011, I posted an article about my motivations why I did not use ZFS as a file system...
over a year ago
2
over a year ago
On February 2011, I posted an article about my motivations why I did not use ZFS as a file system for my 18 TB NAS. You have to understand that at the time, I believe the arguments in the article were relevant, but much has changed since then, and I do believe this article is...
Jonas Hietala
Easy setup of a static site on Amazon S3 with SSL I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just...
over a year ago
3
over a year ago
I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just never got around to it, probably the usual procrastination. When I had to setup a new site for another project I chose to host on Amazon as well. Although there are many other free...
Arduino Blog
Let’s play at the Maker Faire Rome 2024! We are excited to be back at Maker Faire Rome as a Gold Sponsor of the 12th edition (October 25-27,...
2 months ago
33
2 months ago
We are excited to be back at Maker Faire Rome as a Gold Sponsor of the 12th edition (October 25-27, 2024), with some exciting experiences lined up for all makers, innovators, and creators who attend! Learn by playing at our booth  Visit us at the fair for a playful, interactive...
Computer Ads from...
Suture Software's Bludgeons 'n' Braggarts We very simply give you what you've been asking for -- we give you BLOOD
9 months ago
Arduino Blog
Arduino CLI 1.0 is out! We are excited to share some incredible news with you all! We recently released the Arduino CLI...
3 months ago
17
3 months ago
We are excited to share some incredible news with you all! We recently released the Arduino CLI version 1.0.0, marking a significant milestone for our software. This release is a big deal because it signifies the stabilization of the software API, bringing greater reliability and...
Notes on software...
Metaprogramming in Zig and parsing CSS I knew Zig supported some sort of reflection on types. But I had been confused about how to use it....
a year ago
2
a year ago
I knew Zig supported some sort of reflection on types. But I had been confused about how to use it. What's the difference between @typeInfo and @TypeOf? I ignored this aspect of Zig until a problem came up at work where reflection made sense. The situation was parsing and storing...
Bryan Braun - Blog
Links #11 Here are some more links to things that I keep thinking about. I shared a bit more detail on these...
2 weeks ago
5
2 weeks ago
Here are some more links to things that I keep thinking about. I shared a bit more detail on these ones than I usually do—there were so many good quotes to include. Enjoy! Selfishness & Therapy Culture Earlier this year, there was a post in the New York Times called “Sometimes,...
Posts on Made of...
Dear Twitter: Stop screwing over your developers. I really like Twitter. I think it’s a great, fun, service, that helps enable interesting online...
over a year ago
3
over a year ago
I really like Twitter. I think it’s a great, fun, service, that helps enable interesting online communities, and is a surprisingly effective way to spread news and information to lots of people online. One of the things that I’ve loved about Twitter is their API, and how open and...
Willem's Blog
Creating a minimal iPhone stand Today I created a minimal iPhone stand from oak wood. I used a single piece of wood to get it done.
over a year ago
Abort Retry Fail
The History of Microsoft Encarta Searchable Human Knowledge
a year ago
csvbase blog
From Shell to Excel - with a little bit of HTTPS Write once, read everywhere
4 months ago
Ian's Blog
All About Apache Cassandra: Snapshots The concept of a "Snapshot" In computing, a snapshot is a point-in-time copy of data or state of a...
over a year ago
2
over a year ago
The concept of a "Snapshot" In computing, a snapshot is a point-in-time copy of data or state of a machine. You ever end up doing something like this? Each one of these files is a snapshot, as it's a copy of your essay at the point-in-time when you saved it. Snapshots provide us...
Willem's Blog
Migrating to the Cloud Helping a customer clear its on-premise data room and migrate to the cloud: an adventure full of...
over a year ago
2
over a year ago
Helping a customer clear its on-premise data room and migrate to the cloud: an adventure full of cables, cabinets and bandwidth!
Arduino Blog
An ultra-affordable DIY underwater ROV ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by...
7 months ago
70
7 months ago
ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by the possibilities. But traditional ROVs cost a lot of money and often require serious expertise to operate and maintain. Luckily there are affordable alternatives, such as this...
Jonas Hietala
Zucchini Crabcakes With a tiny bit more planning I made a dinner out the lessons 4 and 5 as the crabcakes were only...
over a year ago
2
over a year ago
With a tiny bit more planning I made a dinner out the lessons 4 and 5 as the crabcakes were only supposed to be an appetizer: Crabcakes: Surprisingly delicious. Both me and Veronica gives them a 7. Zucchini: While I thought they passed Veronica said “Zucchini is not my thing” and...
Nabeel S. Qureshi
Notes on Puzzles 1. I mostly don’t play chess anymore — it’s too addictive, and tends to take over your brain in a...
a year ago
2
a year ago
1. I mostly don’t play chess anymore — it’s too addictive, and tends to take over your brain in a way I don’t like — but one habit I’ve retained is solving puzzles.
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.
3 months ago
computers are bad
2024-01-21 multi-channel audio part 1 Stereophonic or two-channel audio is so ubiquitous today that we tend to refer to all kinds of...
11 months ago
78
11 months ago
Stereophonic or two-channel audio is so ubiquitous today that we tend to refer to all kinds of pieces of consumer audio reproduction equipment as "a stereo." As you might imagine, this is a relatively modern phenomenon. While stereo audio in concept dates to the late 19th...
./techtipsy
How I blew up my backup server (Valve pls fix) It all started with me getting a Steam Deck. Background After getting familiar with the Steam Deck...
a year ago
42
a year ago
It all started with me getting a Steam Deck. Background After getting familiar with the Steam Deck and how the Proton compatibility layer works, I decided to write a backup script that would back up everything in the home folder, excluding the Steam games themselves due to the...
Louwrentius
Core i7 920 @ 3,6 Ghz is a true beast! Even today, Core 2 Duo processors clocked at 2 ghz are no slugs. However, the Core i7 920 is of a...
over a year ago
2
over a year ago
Even today, Core 2 Duo processors clocked at 2 ghz are no slugs. However, the Core i7 920 is of a different kind. First, it is not only clocked at a higher speed (default 2,8 Ghz), it is also a quad-core processor. Thanks to the re- introduction of hyperthreading, this processor...
Neil Madden
A controversial opinion about REST API design I was just reading yet another article on REST API design guidelines. Some of it is good advice,...
a year ago
3
a year ago
I was just reading yet another article on REST API design guidelines. Some of it is good advice, some of it I could quibble with. But several of the rules are about how to design the path hierarchy of your API: use plural nouns, don’t use nested sub-paths unnecessarily, etc. In...
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
2
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.
Simply Explained
Monitoring my 3D printer with a Pi Zero, Home Assistant and TinyCore Linux Many devices in my home have become "smart" over the last couple of months, with one big exception:...
over a year ago
2
over a year ago
Many devices in my home have become "smart" over the last couple of months, with one big exception: my trusty 3D printer. It's a super reliable Prusa i3 MK3, but it lacks an internet connection.So I decided to use a Pi Zero to keep track of my 3D prints and send the progress to...
Vitalik Buterin's...
Plurality philosophy in an incredibly oversized nutshell
4 months ago
Old Vintage...
Reversing the Web-@nywhere Watch: browse fragments of the Web on your wrist In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection...
11 months ago
72
11 months ago
In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection in your house was between the cordless phone and the wall, anything having to do with the Web was best consumed in small bites (pun intended). If you wanted to take data with you,...
Vitalik Buterin's...
An approximate introduction to how zk-SNARKs are possible
over a year ago
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
3
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...
Bryan Braun - Blog
Links #10 How to Get on a Podcast - This is a short and invaluable post for anyone who wants to be a podcast...
4 months ago
3
4 months ago
How to Get on a Podcast - This is a short and invaluable post for anyone who wants to be a podcast guest. It puts you in the shoes of a podcaster, showing you what they need, and how you can be a “sure thing” for them. As usual, there are no short cuts. You gotta do the work! A...
Home on Erik...
More MCMC – Analyzing a small dataset with 1-5 ratings I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome...
over a year ago
2
over a year ago
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome website I encountered is Usability Hub which lets you run 5 second tests. Users see your site for 5 seconds and you can ask them free-form questions afterwards.
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
2
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...
Notes on software...
Writing a simple JSON path parser Let's say we want to implement a simple list filtering language so we can enter a.b = 12 and return...
over a year ago
2
over a year ago
Let's say we want to implement a simple list filtering language so we can enter a.b = 12 and return only results in a list where the a column is an object that contains a field b that is set to the value 12. What would a filter(jsonPath, equals, listOfObjects) function...
Home on Erik...
Luigi: complex pipelines of tasks in Python I'm shamelessly promoting my first major open source project. Luigi is a Python module that helps...
over a year ago
2
over a year ago
I'm shamelessly promoting my first major open source project. Luigi is a Python module that helps you build complex pipelines of batch jobs, handle dependency resolution, and create visualizations to help manage multiple workflows. It also comes with Hadoop support built in...
Willem's Blog
One year of cycling GPS recording an entire year of bike rides using Garmin and Strava.
over a year ago
./techtipsy
Testing GPU passthrough on AMD Ryzen 7 5700G APU Introduction Before we jump into all the nitty-gritty details, I’d like to go over what we are...
over a year ago
24
over a year ago
Introduction Before we jump into all the nitty-gritty details, I’d like to go over what we are dealing with here since these topics may be unfamiliar to you. VFIO is quite a niche topic and not everyone knows about it. GPU passthrough: the process of allowing a VM...
./techtipsy
Tech rants: PC-s use way too much power in 2021 Welcome to 2021. We have: supply chain issues no reasonably priced GPU-s consumer-grade CPU-s with...
over a year ago
46
over a year ago
Welcome to 2021. We have: supply chain issues no reasonably priced GPU-s consumer-grade CPU-s with peak power consumption at 296W GPU-s that consume 350-400W of power under normal use At the same time, we have made great leaps in CPU/GPU architectures and chip manufacturing...
Louwrentius
How to run Debian Linux on an Intel based Mac Mini The Mac Mini is just a gorgeous device. It is beautiful, small, silent, powerfull yet energy...
over a year ago
2
over a year ago
The Mac Mini is just a gorgeous device. It is beautiful, small, silent, powerfull yet energy efficient. When idle, it uses around 20 watts. I'm using one of the first Intel-based Minis with an Intel Core Duo chip, running at 1.6 Ghz. I want to use this mini as an expensive router...
Jonas Hietala
Motivation is Valuable It’s funny how motivation can play such a huge role with my productivity. I’m currently having two...
over a year ago
2
over a year ago
It’s funny how motivation can play such a huge role with my productivity. I’m currently having two math courses; one mandatory about analysis in multiple variables and vector analysis and one voluntary about advanced linear algebra. I don’t like the analysis course, didn’t like...
Willem's Blog
Riding with Omata One If you're looking for an alternative for common cycling computers, the Omata One is something truely...
over a year ago
2
over a year ago
If you're looking for an alternative for common cycling computers, the Omata One is something truely special: it indicates your speed, distance, ascent and time ridden using mechanical hands!
Arduino Blog
Coolest controllers ever? Icy gamepads melt in users’ hands Nintendo’s Joy-Con controller system is very innovative and generally well-regarded, with one major...
5 months ago
33
5 months ago
Nintendo’s Joy-Con controller system is very innovative and generally well-regarded, with one major exception: stick drift. That’s a reliability issue that eventually affects a large percentage of Joy-Cons, to the frustration of gamers. But what if that was intentional and...
Jonas Hietala
No game this month Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack...
over a year ago
2
over a year ago
Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack inspiration and then it’s really hard to do something. Instead I’ve been thinking of something I could do that would make me wanna code like really bad again. I’m thinking of...
Arduino Blog
A beautiful custom calculator built with IV-12 VFD tubes Nixie tubes have been the go-to option for makers looking for retro display aesthetics for many...
6 months ago
60
6 months ago
Nixie tubes have been the go-to option for makers looking for retro display aesthetics for many years, because their distinct orange glow carries a lot of vintage appeal. But VFD (vacuum fluorescent display) tubes have been gaining in popularity recently and have different —...
Construction Physics
What Learning by Doing Looks Like The evolution of polycrystalline diamond drill bits
a week ago
Simply Explained
How I Use Alfred to Search My Obsidian Notes Faster (with Spotlight!) In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from...
a year ago
3
a year ago
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from anywhere on my Mac. I just open Alfred, type “note” followed by my query, and see my search results. Hit enter and the correct note opens in Obsidian. Easy and quick!
Vitalik Buterin's...
The bulldozer vs vetocracy political axis
over a year ago
./techtipsy
My cat water fountain comes with a spicy USB power adapter It turns out that you can’t trust any USB type A power adapter to be within spec. I have a Catit...
a year ago
75
a year ago
It turns out that you can’t trust any USB type A power adapter to be within spec. I have a Catit Flower Fountain for my two adorable cats. The idea of a water fountain for cats may sound odd, but having one really helps with cats staying hydrated and that alone avoids all sorts...
axio.ms
Maths is Fun and Useful but Lasers Are More So Way back when, I made a cool but basic paper sculpture (in Maths is Fun and Useful) by hand, using a...
over a year ago
2
over a year ago
Way back when, I made a cool but basic paper sculpture (in Maths is Fun and Useful) by hand, using a perl script for the shape template. For cultural reasons, I wanted to make a gift out of paper and it had to be Heaps Good. I had finally got access to a laser cutter (omgomg)...
Willem's Blog
Creating a minimal road bike I wondered how hard it would be to make a bike from spare parts I had in my garage
over a year ago
Arduino Blog
A gamified approach to therapy and motor skills testing For children who experience certain developmental delays, specific types of physical therapies are...
6 months ago
35
6 months ago
For children who experience certain developmental delays, specific types of physical therapies are often employed to assist them in improving their balance and motor skills/coordination. Ivan Hernandez, Juan Diego Zambrano, and Abdelrahman Farag were looking for a way to quantify...
./techtipsy
DIY cloud gaming setup with VFIO, Parsec and AMD This is a follow-up to my previous post where I covered the VFIO setup in general. For many people...
over a year ago
36
over a year ago
This is a follow-up to my previous post where I covered the VFIO setup in general. For many people that would have been good enough, but my goal with this setup was to have a powerful gaming setup that I could access from my living room PC with 20 meters of Ethernet cables...
Arduino Blog
Explore underwater with this Arduino-controlled DIY ROV Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the...
4 months ago
50
4 months ago
Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the ocean? But a remotely operated vehicle (ROV), which is the kind of robot you’d use for such an adventure, isn’t exactly the kind of thing you’ll find on the shelf at your local...
Posts on Made of...
Design for Testability When designing a new software project, one is often faced with a glut of choices about how to...
over a year ago
2
over a year ago
When designing a new software project, one is often faced with a glut of choices about how to structure it. What should the core abstractions be? How should they interact with each other? In this post, I want to argue for a design heuristic that I’ve found to be a useful guide to...
Matt Mullenweg
I Voted! It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a...
a month ago
4
a month ago
It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a last-minute flight to Houston and this morning walked over to Congregation Emanu El and voted. It is our most sacred duty as a citizen. I encourage every American to vote.
./techtipsy
Steam Deck: I like it I got a Steam Deck. Only took me a year or so of contemplating getting one, and trying out HoloISO,...
6 months ago
88
6 months ago
I got a Steam Deck. Only took me a year or so of contemplating getting one, and trying out HoloISO, the unofficial SteamOS installer finally convinced me to get one.1 It took another year to actually get down to writing down my thoughts on it. This post is written from the...
Home on Erik...
How to set compensation using commonsense principles Compensation has always been one of the most confusing parts of management to me. Getting it right...
over a year ago
2
over a year ago
Compensation has always been one of the most confusing parts of management to me. Getting it right is obviously extremely important. Compensation is what drives our entire economy, and you could look at the market for labor as one gigantic resource-allocating machine in the same...
Nabeel S. Qureshi
How To Sell Sales at a startup is counter-intuitive.
over a year ago
Matt Mullenweg
Carmack & Rogan I guess something has changed with the Joe Rogan / Spotify deal and now all the old episodes are on...
3 weeks ago
4
3 weeks 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...
Notes on software...
Emulating linux/AMD64 userland: interpreting an ELF binary In this post we'll stumble toward a working emulator for a barebones C program compiled for...
over a year ago
2
over a year ago
In this post we'll stumble toward a working emulator for a barebones C program compiled for linux/AMD64. The approach will be slightly more so based on observation than by following a spec; a great way to quickly become familiar with a topic, and a bad way to...
Posts on Made of...
Followup to "A Very Subtle Bug" After my previous post got posted to reddit, there was a bunch of interesting discussion there about...
over a year ago
3
over a year ago
After my previous post got posted to reddit, there was a bunch of interesting discussion there about some details I’d handwaved over. This is a quick followup on some the investigation that various people carried out, and the conclusions they reached. In the reddit thread,...
Neil Madden
I still don’t really get “hash shucking” If you want to learn how to store passwords securely, you could do a lot worse than looking at the...
a year ago
3
a year ago
If you want to learn how to store passwords securely, you could do a lot worse than looking at the OWASP Password Storage Cheat Sheet. These cheat sheets are generally pretty good, and the password storage one is particularly good. The editors do a great job of keeping it up to...
Lighthouse Blog
Updates June 28
5 months ago
Jonas Hietala
Fun or Frustration? Ludum Dare 33 One of my goals this year was to participate in a Ludum Dare. I have cleared up my schedule,...
over a year ago
3
over a year ago
One of my goals this year was to participate in a Ludum Dare. I have cleared up my schedule, negotiated with my better half and everything is set up for epicness. At first the idea was to make a game in rust, even tough I basically haven’t used it in almost a year, but when I...
Vitalik Buterin's...
Layer 1 Should Be Innovative in the Short Term but Less in the Long Term
over a year ago
Vitalik Buterin's...
[Mirror] Zk-SNARKs: Under the Hood
over a year ago
Vitalik Buterin's...
La Guía Incompleta de los Rollups
over a year ago
Posts on Made of...
Performance engineering, profilers, and seeing the invisible I was recently introduced to the paper “Seeing the Invisible: Perceptual-Cognitive Aspects of...
a year ago
3
a year ago
I was recently introduced to the paper “Seeing the Invisible: Perceptual-Cognitive Aspects of Expertise” by Gary Klein and Robert Hoffman. It’s excellent and I recommend you read it when you have a chance. Klein and Hoffman discuss the ability of experts to “see what is not...
Vitalik Buterin's...
Gitcoin Grants Round 7 Retrospective
over a year ago
Jonas Hietala
Language spec in code blocks Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I...
a year ago
2
a year ago
Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I wanted to add, but it felt a little bothersome so I skipped it. It was to display the highlighted language in code blocks: The code spec displays what programming language the code...
Applied Cartography
Notes on ActivityPub By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and...
7 months ago
2
7 months ago
By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and see what things are shaped like." I know that "ActivityPub is under-specified" is a bit of a meme, but it's wild how little prior art there is. Something that gives distinctly bad...
Avestura's Blog
Explaining The Postgres Meme Have you seen this legendary SQL iceberg meme? Let's talk about it while wearing our PostgreSQL hat!
a year ago
Applied Cartography
Hidden settings are for cowards At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be...
2 weeks ago
6
2 weeks ago
At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be explicitly temporal (temporarily split-testing traffic; rolling out a new feature or code path; exposing a specific path for a cohort of users during a closed beta) and gates,...
Jonas Hietala
Going into Being Busy mode I’m in the civil service atm and, sadly, we’re going to be extremely busy the coming… two months or...
over a year ago
2
over a year ago
I’m in the civil service atm and, sadly, we’re going to be extremely busy the coming… two months or something? So I can’t promise a game the next two months. Kinda beats the point of this site doesn’t it? I’m really sorry and that’s all I can say really… Hopefully I’ll get a week...
./techtipsy
TOMO M4: probably the coolest power bank I've owned A friend once showed me a power bank that was so cool that I had to get one myself. Ended up getting...
a year ago
36
a year ago
A friend once showed me a power bank that was so cool that I had to get one myself. Ended up getting two, and here’s why. This post is not sponsored. Removable batteries Let’s start with the feature that I appreciate the most: removable batteries! The TOMO M4 accepts up to 4...
Engineers Need Art
VPX Scripting - Part 2 (Linting) The second in a series of posts about scripting Visual Pinball tables.
8 months ago
Jonas Hietala
My first netrunner store championship My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into...
over a year ago
3
over a year ago
My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into and about 1,5 months ago I discovered Netrunner, a very awesome card game. Check out this how to play or team covenant’s channel if you want to know more. So this Sunday I went to...
Engineers Need Art
Casady & Greene Remembering Casady & Greene and the excitement (and closing) of an era of Macintosh software...
3 months ago
41
3 months ago
Remembering Casady & Greene and the excitement (and closing) of an era of Macintosh software publishing.
Old Vintage...
Teaching Apple Cyberdog 1.0 new tricks (featuring OpenDoc) this cyberdog (image credit). that cyberdog, though this is one of my favourite weirdo pinball...
a year ago
64
a year ago
this cyberdog (image credit). that cyberdog, though this is one of my favourite weirdo pinball machines. that cyberdog. our PowerBook Duo 2300 rehabilitated, guess what we're gonna look at? Internet document? Thus was the nucleus of Cyberdog (named for the famous New...
Willem's Blog
Measuring cholesterol levels in blood This week I had my blood examined to measure my cholesterol levels, taking a lipid profile. Know...
over a year ago
2
over a year ago
This week I had my blood examined to measure my cholesterol levels, taking a lipid profile. Know your LDL, HDL and Triglycerides numbers with a simple test.
Jonas Hietala
Eduroam for wicd in Linkoping's University So we have eduroam at our University and unsurprisingly wicd is not on their official support list...
over a year ago
3
over a year ago
So we have eduroam at our University and unsurprisingly wicd is not on their official support list but with some googling the wonderful Arch Wiki had the answer. Well, almost. Save the following as /etc/wicd/encryption/templates/ttls-80211: name = TTLS for Wireless author =...
Vitalik Buterin's...
A Guide to 99% Fault Tolerant Consensus
over a year ago
Nabeel S. Qureshi
Notes on Karl Popper A woven web of guesses
over a year ago
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
Vitalik Buterin's...
Quadratic Payments: A Primer
over a year ago
./techtipsy
My self-hosting setup has an UPS now, here's my experience with it I changed my setup again. I’m now the proud owner of an APC Smart-UPS 750. Why? Because I got it as...
over a year ago
46
over a year ago
I changed my setup again. I’m now the proud owner of an APC Smart-UPS 750. Why? Because I got it as a gift, and I have never actually had an UPS before, so it makes for a good introduction to this world. Overview My setup is quite basic: everything that I have on my table...
seangoedecke.com RSS...
MCTS and LLMs: what's the big deal? Everyone on the internet is recently very excited about large language models and Monte Carlo tree...
6 months ago
3
6 months ago
Everyone on the internet is recently very excited about large language models and Monte Carlo tree search. Going back months, the “Q*” leak…
Good Enough
Having Trouble Getting Started? Pair Up! A body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on...
a year ago
3
a year ago
A body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on by a net external force. Sir Isaac Newton I often find that just getting started is the hardest part of doing something. This is especially true when the project is large or...
Willem's Blog
Back to the University Join me on a special course exploring scientific programming, the perfect moment to learn Python...
a year ago
2
a year ago
Join me on a special course exploring scientific programming, the perfect moment to learn Python with recent advancements in machine learning like ChatGPT!
Lighthouse Blog
Updates May 3
7 months ago