Full Width [alt+shift+f] Shortcuts [alt+shift+k]
Sign Up [alt+shift+s] Log In [alt+shift+l]
Top Categories > technology
#all #programming #history #startups #technology #science #life #literature #architecture #travel #creative #design #comics #cartography #finance #AI #indiehacker Muted Categories [alt+←][alt+→]
Vitalik Buterin's...
Fast Fourier Transforms
over a year ago
Jonas Hietala
Hard Work I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the...
over a year ago
3
over a year ago
I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the actual game mechanics… I know this isn’t going to end well. I can allow myself a small pause I feel… Not sure where this is going to end, but I’m having a blast anyway!
Notes on software...
Surveying SQL parser libraries in a few high-level languages This is an external post of mine. Click here if you are not redirected.
over a year ago
Louwrentius
Mounting a file system or partition from a disk image You cannot just make a disk copy with dd and then just mount it as a regular disk. You must know...
over a year ago
3
over a year ago
You cannot just make a disk copy with dd and then just mount it as a regular disk. You must know where the partition starts on the disk. So first, you need to get the partition table with sfdisk: sfdisk -l -uS image_file.dd The output is something like: Disk...
csvbase blog
You can't just assume UTF-8 How to infer character encodings with statistics
7 months ago
Computer Ads from...
Plus Post: Rockwell AIM 65 The Company Rockwell International has been around for quite a while. Willard Rockwell started the...
7 months ago
104
7 months ago
The Company Rockwell International has been around for quite a while. Willard Rockwell started the company in 1919 to sell a newly designed truck axle bearing. Over the years, Rockwell acquired businesses in many different fields, including defense, industrial electronics,...
Louwrentius
Belkin Gigabit USB 2.0 adapter works perfectly with Linux My ISP upgraded my internet connection speed to a whopping 120 Mbit. I am using a mac mini as my...
over a year ago
2
over a year ago
My ISP upgraded my internet connection speed to a whopping 120 Mbit. I am using a mac mini as my internet router. As you may be aware, the mini has only one network interface, so I added a second interface using a USB to ethernet adapter. This adapter was limited to 100 Mbit, so...
anderegg.ca
The trouble with openness Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went...
3 weeks ago
5
3 weeks ago
Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went anywhere, but I found it exciting at the time. One piece that particularly spoke to me was the notion of including data in websites so that web scrapers could easily get at it....
Louwrentius
Additional proof that Apple is ditching the optical drive I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore....
over a year ago
2
over a year ago
I'm a strong advocate of killing the optical drive. As of 2011, there is no need for it anymore. Laptops could get lighter, smaller or have more room for additional battery capacity if the optical drive would no longer be present. In my life, I never see people use the optical...
Arduino Blog
Build Button Clash in minutes: a new fun game with Plug and Make Kit  The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes....
2 weeks ago
18
2 weeks ago
The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes. With its intuitive, snap-together design, even the wildest ideas become achievable – fast, fun, and frustration-free. That’s exactly what Julián Caro Linares, Arduino’s Product...
Jonas Hietala
The Little Things in Life It’s the little things in life that makes it extra special. Sometimes it’s the luxury of coffee...
over a year ago
2
over a year ago
It’s the little things in life that makes it extra special. Sometimes it’s the luxury of coffee together with the morning paper and other times it’s just a small simple smile from a random stranger, kid or dog. Today when I got this bad headache I got saved by a two hour nap and...
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...
Applied Cartography
My approach to GTD and PKM One pernicious thing with writing about productivity and knowledge systems: you only change systems...
2 months ago
4
2 months ago
One pernicious thing with writing about productivity and knowledge systems: you only change systems that aren’t working, and you tend to write about things during times of change. So most writing about productivity systems stem from people whose systems have failed them. It is...
./techtipsy
How to make digital copies of your old video tapes Introduction This is a short overview of one way to take your old video tapes and make digital...
over a year ago
30
over a year ago
Introduction This is a short overview of one way to take your old video tapes and make digital copies of their contents. To get started, you will need the following: old video tapes that you want to make copies of (VHS and its variants) a device that can read analog AV signals...
Odds and Ends of...
Why we need seven bins It's time for some #binchat
6 days ago
Old Vintage...
Commodore does the iPad "crush" concept right ... in 1985 I get what Apple was trying to say with their infamous Crush ad, even though they made it a little...
6 months ago
70
6 months ago
I get what Apple was trying to say with their infamous Crush ad, even though they made it a little weird. They should have simply done what Commodore did for the C128 — ironically, competing with the Apple IIc. Notice the emphasis on audio and sound, plus the Commodore 64 perched...
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
Smoking coolermaster Silent Pro M 600W TN6M50 So I was just messing around on my work station, when suddenly I smelled the smell any person...
over a year ago
3
over a year ago
So I was just messing around on my work station, when suddenly I smelled the smell any person familiar with electronics fears. The smell of some electrical component burning. The whole upper floor smelled like something was smoldering. So I shut down both my storage servers....
Posts on Made of...
Using wpa_supplicant on Debian/Ubuntu I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that...
over a year ago
3
over a year ago
I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that it’s pretty close to what I want for managing wireless — closer than anything else I’ve found, at least. I figured I should document my setup and experiences. Some Background You...
On Life and Lisp
AAA gaming on Asahi Linux Gaming on Linux on M1 is here! We’re thrilled to release our Asahi game playing toolkit, which...
2 months ago
36
2 months ago
Gaming on Linux on M1 is here! We’re thrilled to release our Asahi game playing toolkit, which integrates our Vulkan 1.3 drivers with x86 emulation and Windows compatibility. Plus a bonus: conformant OpenCL 3.0. Asahi Linux now ships the only conformant OpenGL®, OpenCL™, and...
detreville
The IBM 701 "IBM's first computer"
a year ago
Jonas Hietala
Dijkstra's Algorithm For rust, I’m updating the documentation for the standard library and specifically with the...
over a year ago
2
over a year ago
For rust, I’m updating the documentation for the standard library and specifically with the collections. For the priority queue I had the idea to use Dijkstra’s algorithm as a fun example. That idea was well received and that example is now live. At first I wanted to use A* to...
Louwrentius
I switched my blog from Blogofile to Pelican This blog is a static website, which makes it fast, simple and secure. It was generated by Blogofile...
over a year ago
2
over a year ago
This blog is a static website, which makes it fast, simple and secure. It was generated by Blogofile but I switched to Pelican. Blogofile has seen almost no updates over the years and I consider the project dead. Realising that blogofile is dead, I decided to look around for...
Good Enough
Season 1, Issue 3: Fool Me Three Times This will be a short one. Barry’s summer vacation has started, and Shawn is deflated after the...
over a year ago
3
over a year ago
This will be a short one. Barry’s summer vacation has started, and Shawn is deflated after the Warr…iors... sob… It’s just one game, right? 1. No One Likes a Giveaway Who doesn’t love a good pickle? Well that didn’t happen. There were no entries to last week’s giveaway. If you...
Matt Mullenweg
RIP Quincy Jones Quincy Jones had such an impact on the culture that it’s impossible to summarize. His discography is...
a month ago
4
a month ago
Quincy Jones had such an impact on the culture that it’s impossible to summarize. His discography is amazing. I feel so lucky to have met him in 2012 when I was much earlier in my career, and he didn’t have any reason to give me time, but he treated everyone as if they were...
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...
Arduino Blog
A pair of Arduino UNO R4 boards power this Tron-inspired, decked-out shop room Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop...
6 months ago
45
6 months ago
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop renovation project where he is rearranging tools, tidying up various spaces, and even creating a dedicated “clean” room for his collection of 3D printers/electronics work. With its...
Home on Erik...
The Filter Bubble is Silly and you Can't Guess What Happened Next I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here...
over a year ago
2
over a year ago
I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here was about the filter bubble which prompted me to formalize my own thoughts. I firmly believe that it's the role of a system to respect the user's intent.
Notes on software...
Writing a storage engine for Postgres: an in-memory Table Access Method With Postgres 12, released in 2019, it became possible to swap out Postgres's storage engine. This...
a year ago
3
a year ago
With Postgres 12, released in 2019, it became possible to swap out Postgres's storage engine. This is a feature MySQL has supported for a long time. There are at least 8 different built-in engines you can pick from. MyRocks, MySQL on RocksDB, is another popular third-party...
Notes on software...
Thinking about functional programming Someone on Discord asked about how to learn functional programming. The question and my initial...
a year ago
3
a year ago
Someone on Discord asked about how to learn functional programming. The question and my initial tweet on the subject prompted an interesting discussion with Shriram Krishnamurthi and other folks. So here's a slightly more thought out exploration. And just for backstory sake: I...
Jonas Hietala
The current T-34 keyboard layout I’ve been documenting my own keyboard layout in a series for a while now. But as the layout is...
over a year ago
2
over a year ago
I’ve been documenting my own keyboard layout in a series for a while now. But as the layout is constantly changing it’s been difficult to piece together how the layout currently looks like, so this post tries to show how the layout looks right now in it’s entirety. If you want to...
Posts on Made of...
Advent of Code in C++ Template Metaprogramming This December, the imp of the perverse struck me, and I decided to see how many days of Advent of...
a year ago
2
a year ago
This December, the imp of the perverse struck me, and I decided to see how many days of Advent of Code I could do purely in compile-time C++ metaprogramming. As of this writing, I’ve done two days, and I’m not sure I’ll make it any further. However, that’s one more day than I...
./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...
Louwrentius
Cannot access Windows guest within VMware Fusion when running vsphere client Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere...
over a year ago
3
over a year ago
Currently, I am running VMware ESXi 4.1 on a test system. To manage ESXi, you need the VSphere client, which is only available for the Windows platform. Therefore, I run VMware Fusion on my Mac to be able to access VSphere and manage my ESXi host. The trouble is that both ESXi...
Jonas Hietala
Focusing Attention: Drawing In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a...
over a year ago
2
over a year ago
In my last post I wrote about some ideas and projects I have and how it’s a little bit too much at a time, so now I’m going to try something new here. In the beginning of every week I’ll declare something I’ll be focusing on and then that’s the only thing I should focus on on my...
Opsbros
Saibah Securitah It's always okay to buy the domain for the meme!
over a year ago
Vitalik Buterin's...
Analyzing Token Sale Models
over a year ago
Simply Explained
Building Air Quality Sensor: Luftdaten + Home Assistant Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the...
over a year ago
2
over a year ago
Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the world. Best of all: it's open-source and anyone can build a sensor.I was very curious to see the air quality in my neighborhood, so I decided to build myself a sensor. And of course,...
Home on Erik...
Domains for sale Contact me at mail at erik bern dot com!
over a year ago
Louwrentius
Switching away from Debian to Ubuntu LTS Over the last couple of years, Debian Linux has released new stable versions about every two years....
over a year ago
2
over a year ago
Over the last couple of years, Debian Linux has released new stable versions about every two years. This pace is great for progress, but there is a serious problem. This problem is related to their support for older Debian stable versions. If you read the quote below from the...
Louwrentius
RAID 5 vs. RAID 6 or do you care about your data? Storage is cheap. Lots of storage with 10+ hard drives is still cheap. Running 10 drives increases...
over a year ago
3
over a year ago
Storage is cheap. Lots of storage with 10+ hard drives is still cheap. Running 10 drives increases the risk of a drive failure tenfold. So often RAID 5 is used to keep your data up and running if one single disks fails. But disks are so cheap and storage arrays are getting so...
seangoedecke.com RSS...
Building multiplayer games with socket.io and HTML5 Canvas I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps...
over a year ago
2
over a year ago
I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps was a Visual Basic game - I was in…
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...
Willem's Blog
Designing an interface for a food ordering page Designing a food ordering page is surprisingly challenging because of the many variables that need...
over a year ago
2
over a year ago
Designing a food ordering page is surprisingly challenging because of the many variables that need to be accommodated on a very small screen.
seangoedecke.com RSS...
Talking to ChatGPT costs 5ml of water, not 500ml There’s a common claim on the internet that ChatGPT consumes half a litre of water for every 5-50...
a month ago
4
a month ago
There’s a common claim on the internet that ChatGPT consumes half a litre of water for every 5-50 responses. Here are some randomly-chosen…
Vitalik Buterin's...
Farklı ZK-EVM Türleri
over a year ago
Christian Selig
Announcing Juno 2.0 Juno’s been a really fun project to build, and it’s been so great hearing how other people have been...
5 months ago
75
5 months ago
Juno’s been a really fun project to build, and it’s been so great hearing how other people have been enjoying Juno since its launch, as well as providing awesome feedback and input to improve it. Today I’m releasing Juno 2.0, which incorporates a ton of that community feedback,...
Willem's Blog
Different ways to visualise health To better understand how to visualise health I looked at different health/fitness apps and games.
over a year ago
Computer Ads from...
The Grand Stand Joystick Stabilizer Support & Score Enhancer
a month ago
Louwrentius
Do not buy a hardware RAID controller for home use Hardware RAID controllers are considered 'the best' solution for high performance and high...
over a year ago
2
over a year ago
Hardware RAID controllers are considered 'the best' solution for high performance and high availability. However, this is not entirely true. Using a hardware RAID controller might even endanger your precious data. For enterprise environments, where performance is critical, it is...
Jonas Hietala
Establishing Habits with Habitica I have used Habitica the last 18 months to organize my habits and things I want to get done. I...
over a year ago
3
over a year ago
I have used Habitica the last 18 months to organize my habits and things I want to get done. I believe it all started with an amazing book called The Power of Habit which describes the amazing benefits habits can give, both in the context of your own life but also in business....
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...
Louwrentius
Firewire: the forgotten security risk The battle between Firewire and USB has been won by USB, but Firewire is still arround. It is not...
over a year ago
2
over a year ago
The battle between Firewire and USB has been won by USB, but Firewire is still arround. It is not that prevalent, cheap computers lack Firewire, but they often have a PCMCIA slot. The thing is this: Firewire allows direct access to all RAM of your computer. An attacker...
./techtipsy
The Fedora Linux starter pack: everything you need for a smooth experience I like Fedora Linux. It’s the Linux distro that stopped my habit of distro-hopping. Big deal? Ooh,...
2 months ago
43
2 months ago
I like Fedora Linux. It’s the Linux distro that stopped my habit of distro-hopping. Big deal? Ooh, big deal! It’s stable in day-to-day use, ships with up-to-date software, and the software selection is adequate out of the box. It also ships with a fresh Linux kernel version1,...
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.
Electronics etc…
An In-Depth Look at the ICE-V Wireless FPGA Development Board Introduction The ICE-V Wireless FPGA Board Preloading the PSRAM with User Data The Overall Boot...
a year ago
63
a year ago
Introduction The ICE-V Wireless FPGA Board Preloading the PSRAM with User Data The Overall Boot Process UART Console Getting Started with the ICE-V Wireless Board for Real Reinstalling or Modifying the ESP32C3 Firmware The RISC-V Example FPGA Design Compiling the RISC-V Example...
computers are bad
2024-03-27 telephone cables So let's say you're working on a household project and need around a dozen telephone cables---the...
9 months ago
72
9 months ago
So let's say you're working on a household project and need around a dozen telephone cables---the ordinary kind that you would use between your telephone and the wall. It is, of course, more cost effective to buy bulk cable, or simply a long cable, and cut it to length and attach...
Vitalik Buterin's...
Governance, Part 2: Plutocracy Is Still Bad
over a year ago
lcamtuf’s thing
Dispatches from the farm upstate Middle-aged computer expert opts to escape civilization, offers dubious life advice.
4 months ago
Posts on Made of...
Two Perspectives on the End-to-End Principle Back when I was an undergraduate, as part of a class called “Computer Systems Engineering”, we read...
over a year ago
3
over a year ago
Back when I was an undergraduate, as part of a class called “Computer Systems Engineering”, we read numerous classic papers of systems design. I enjoyed and learned a great deal from many of these papers, but one that paper that has stuck with me in particular was Saltzer et al’s...
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...
Arduino Blog
Self-leveling workbench can travel without trouble An actually level workbench is critical for many different jobs, such as pouring resin or...
6 months ago
39
6 months ago
An actually level workbench is critical for many different jobs, such as pouring resin or calibrating sensors. But it is difficult enough to level a stationary workbench and that becomes a nightmare for a workbench that needs to roll around a shop on casters, as shop floors...
Home on Erik...
More Luigi! Elias Freider just talked about Luigi at PyData 2013: The presentation above is much better than one...
over a year ago
3
over a year ago
Elias Freider just talked about Luigi at PyData 2013: The presentation above is much better than one I put together a few weeks ago. In case anyone is interested I'll include it too:
Old Vintage...
Thou shalt follow these Vintage Computing Commandments Thou shalt check voltage and polarity on new-to-thee power supplies, or thy machines shall be smote...
10 months ago
64
10 months ago
Thou shalt check voltage and polarity on new-to-thee power supplies, or thy machines shall be smote and release smoke. This is sometimes very hard to judge without a load, but they should be somewhere in the ballpark, verily, and you should get in the habit of checking any new...
Jonas Hietala
Vacation Finally back from a 2 week vacation up at Övertorneå. It’s been pretty great to be taken care of and...
over a year ago
3
over a year ago
Finally back from a 2 week vacation up at Övertorneå. It’s been pretty great to be taken care of and not doing anything. Well, I did get my ass kicked in Terra Mystica and I played a bit of Minecraft, but still. We got some nice food and my in-laws and my parents were nice. I’m...
Home on Erik...
New approximate nearest neighbor benchmarks As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm...
over a year ago
2
over a year ago
As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm the author of Annoy, a library with 3,500+ stars on Github as of today. It offers fast approximate search for nearest neighbors with the additional benefit that you can load data...
Arduino Blog
Technology meets creativity in two interactive art student projects Art and engineering are not separate concepts. There is a great deal of overlap between the two and...
2 months ago
30
2 months ago
Art and engineering are not separate concepts. There is a great deal of overlap between the two and many modern disciplines increasingly blur those lines. Mónica Riki is an “electronic artist and creative coder” who embodies that idea: you might remember her and her incredible...
Jonas Hietala
Evolution of RTS games Introduction This is an essay for the course Game Design and I’m going to give you a ride through...
over a year ago
3
over a year ago
Introduction This is an essay for the course Game Design and I’m going to give you a ride through the evolution of RTS game genre. I like RTS games and I’ve played them for as long as I can remember, from the classic Red Alert and Age of Empires to the newer Supreme Commander and...
Old Vintage...
Composite and hard reset mods for the Tandyvision One I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my...
2 weeks ago
19
2 weeks ago
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my literal first game console: the Tandyvision One, Tandy Radio Shack's label variant of the Mattel Intellivision Master Component. The Mattel Intellivision proper originally hails...
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...
computers are bad
2024-05-25 grc spinrite I feel like I used to spend an inordinate amount of time dealing with suspect hard drives. I mean,...
7 months ago
83
7 months ago
I feel like I used to spend an inordinate amount of time dealing with suspect hard drives. I mean, like, back in high school. These days I almost never do, or on the occasion that I have storage trouble, it's a drive that has completely stopped responding at all and there's...
Arduino Blog
Adjusting office chair height with simple voice commands A month ago, ElectronicLab modified his office chair with an electric car jack, giving it motorized...
4 months ago
27
4 months ago
A month ago, ElectronicLab modified his office chair with an electric car jack, giving it motorized height adjustment. That worked well, but required that he push buttons to raise or lower the seat. Pushing those buttons is a hassle when one’s hands are full, so ElectronicLab...
Willem's Blog
Building a product platform Leverage platform capabilities to quickly launch new products, designing for reusability,...
over a year ago
2
over a year ago
Leverage platform capabilities to quickly launch new products, designing for reusability, flexibility and extensibility.
Nabeel S. Qureshi
Advice That Actually Worked For Me My contribution to the 'productivity advice' genre.
over a year ago
Willem's Blog
Supernova E3 Pro 2 dynamo powered headlight
over a year ago
Applied Cartography
Two weeks of parenthood We've had Lucy for two weeks, which qualifies us as experts, which means it is time to write about...
2 months ago
4
2 months ago
We've had Lucy for two weeks, which qualifies us as experts, which means it is time to write about parenthood. (In all seriousness, consider the below descriptive and not prescriptive: mostly, it's a notepad filled with things that were remarkable or surprising or divergent from...
Notes on software...
Controlled HTML select element in React has weird default UX This is an external post of mine. Click here if you are not redirected.
over a year ago
./techtipsy
So you need some tech tips... I’m an experienced software developer located in Estonia 🇪🇪🇪🇺 . I don’t simply get things done,...
over a year ago
31
over a year ago
I’m an experienced software developer located in Estonia 🇪🇪🇪🇺 . I don’t simply get things done, I get them done done. Here’s what I bring to the table: software development skillset building useful solutions monitoring, observability incident response I know how to use...
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
3
6 months ago
A microcontroller Macintosh This all started from a conversation about the RP2040 MCU, and building a simple desktop/GUI for it. I’d made a comment along the lines of “or, just run some old OS”, and it got me thinking about the original Macintosh. The original Macintosh was...
Jonas Hietala
2016 Read Books Yeah so I managed to not read a single fiction book this year. To compensate and make myself feel...
over a year ago
3
over a year ago
Yeah so I managed to not read a single fiction book this year. To compensate and make myself feel better I’ll add in some new mangas I’ve read, but I may may have missed some. Fiction Crickets Non-Fiction Getting to Yes Relax into Stretch Thinking, Fast and Slow 59 seconds The...
Vitalik Buterin's...
Sharding FAQ
over a year ago
Notes on software...
Exploring PL/pgSQL part two: implementing a Forth-like interpreter Previously in exploring PL/pgSQL: Strings, arrays, recursion and parsing JSON In my last post I...
over a year ago
2
over a year ago
Previously in exploring PL/pgSQL: Strings, arrays, recursion and parsing JSON In my last post I walked through the basics of PL/pgSQL, the embedded procedural language inside of PostgreSQL. It covered simple functions, recursions and parsing. But there was something very...
Home on Erik...
On the Equifax breach and how to really prevent identity theft A funny thing about being a foreigner is how you realize people take broken things for granted. I'm...
over a year ago
2
over a year ago
A funny thing about being a foreigner is how you realize people take broken things for granted. I'm going to go out on a limb here claiming that the US has a pretty dumb banking system.
computers are bad
2024-07-20 minuteman missile communications A programming note: I am looking at making some changes to how I host things like Computers Are Bad...
5 months ago
74
5 months ago
A programming note: I am looking at making some changes to how I host things like Computers Are Bad and wikimap that are going to involve a lot more recurring expense. For that and other reasons, I want to see if y'all would be willing to throw some money my way. If everyone...
Willem's Blog
Off the grid: Working on 100% renewable energy Learning from powering my personal devices using nothing but self generated electricity using a...
over a year ago
3
over a year ago
Learning from powering my personal devices using nothing but self generated electricity using a solar panel and power banks.
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.
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...
./techtipsy
This site will be offline on 2022-08-17 between 18:00-19:00 EEST There really isn’t much to say here, nor is there a rational reason behind this. I just see it as an...
over a year ago
56
over a year ago
There really isn’t much to say here, nor is there a rational reason behind this. I just see it as an opportunity to send a signal and test the capabilities of my UPS. I’ve prepared for this moment with my self-hosting setup, let’s see how well it holds up. Hopefully better than...
Arduino Blog
Save money by making your own MKR WiFi 1010-powered smart thermostat Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t...
5 months ago
41
5 months ago
Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t cheap and the more affordable models tend to lock you into proprietary ecosystems. But a decent smart thermostat can save you money on energy costs, so you might want to consider this...
Willem's Blog
Replacing a Shimano shift cable After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and...
over a year ago
2
over a year ago
After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and needed replacement. Read my blog post to learn how to do this yourself.
Simply Explained
Integrate Home Assistant with Apple Reminders I recently integrated Home Assistant with Apple Reminders so that automations can create new todos....
over a year ago
2
over a year ago
I recently integrated Home Assistant with Apple Reminders so that automations can create new todos. This is trickier as it sounds, because Reminders has no API that can be accessed from Home Assistant. Here's how I worked around that problem with a script, input text helper and...
latest projects -...
LED Matrix Earrings [Hardware] Itsy bitsy teeny weeny yellow dot-matrix LED
10 months ago
computers are bad
2024-08-31 ipmi I am making steady progress towards moving the Computers Are Bad enterprise cloud to its new home,...
3 months ago
38
3 months ago
I am making steady progress towards moving the Computers Are Bad enterprise cloud to its new home, here in New Mexico. One of the steps in this process is, of course, purchasing a new server... the current Big Iron is getting rather old (probably about a decade!) and here in...
Louwrentius
Lustre and the risk of Serious Data Loss Personally I have a weakness for big-ass storage. Say 'petabyte' and I'm interested. So I was...
over a year ago
3
over a year ago
Personally I have a weakness for big-ass storage. Say 'petabyte' and I'm interested. So I was thinking about how you would setup a large, scalable storage infrastructure. How should such a thing work? Very simple: you should be able just to add hosts with some bad-ass huge...
Style over Substance
Our favorite places to eat and drinks during our Portugal vacation In the summer of 2023, we went on an amazing trip through Portugal. We’d already visited Lisbon on a...
7 months ago
98
7 months ago
In the summer of 2023, we went on an amazing trip through Portugal. We’d already visited Lisbon on a short city trip a few years earlier, and that experience was so good we knew we had to return. This time, we decided to take a full three weeks and see the sights. We were...
Construction Physics
How China Is Like the 19th Century U.S. I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly...
a month ago
33
a month ago
I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly reading about the times and places where radical changes in manufacturing were taking place: Britain in the late 18th century, the US in the late 19th and early 20th centuries,...
Good Enough
Season 1, Issue 5: Promotes Regularity Good Enough is taking a summer pause! We each have travel plans lined up for the summer. We each...
over a year ago
2
over a year ago
Good Enough is taking a summer pause! We each have travel plans lined up for the summer. We each have at least two children in our homes, begging for attention. And we each truly appreciate extended breaks as a means of reinvigorating ourselves to the ever important task of...
Good Enough
All About CSS: Alphabetize, Normalize, and Dark-mode-itize Hello reader, I’m Matthew, the newest member of Good Enough (LLC). The rest of the team are avid...
a year ago
3
a year ago
Hello reader, I’m Matthew, the newest member of Good Enough (LLC). The rest of the team are avid writers and sharers… I’m not. But they keep chanting “One of us. One of us.” so I suppose you’ll see me around here sometimes. For my inaugural post, I thought I’d quickly share what...
Arduino Blog
The web-based Arduino Lab for MicroPython Editor is out! With Chromebook support to code Alvik and... We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython...
a month ago
31
a month ago
We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython Editor. This lightweight platform makes it even easier to code with MicroPython using Arduino hardware such as Alvik, Nano ESP32, Nano RP2040 Connect, Nano 33 BLE Sense – and more!...
./techtipsy
Things I've learned during my self-hosting adventure This is a list of lessons that I’ve learned while playing around with my computer setup during the...
over a year ago
24
over a year ago
This is a list of lessons that I’ve learned while playing around with my computer setup during the last 6-7 years or so. USB connected storage is a bad idea when you are using BTRFS. USB connected storage is still a bad idea when you are using ZFS, but it is at least much more...
./techtipsy
My experience at the k-space hackerspace hackathon k-space is a hackerspace in Tallinn, Estonia, and they organized a hackathon recently. Unlike in...
a year ago
37
a year ago
k-space is a hackerspace in Tallinn, Estonia, and they organized a hackathon recently. Unlike in most hackathons, in this one you could whatever you like with no expectations about building a business or coming up with an MVP, just come on down to the space and start working on...
Louwrentius
Things you should consider when building a ZFS NAS ZFS is a modern file system designed by Sun Microsystems, targeted at enterprise environments. Many...
over a year ago
2
over a year ago
ZFS is a modern file system designed by Sun Microsystems, targeted at enterprise environments. Many features of ZFS also appeal to home NAS builders and with good reason. But not all features are relevant or necessary for home use. I believe that most home users building their...
Posts on Made of...
Reflections on software performance At this point in my career, I’ve worked on at least three projects where performance was a defining...
over a year ago
1
over a year ago
At this point in my career, I’ve worked on at least three projects where performance was a defining characteristic: Livegrep, Taktician, and Sorbet (I discussed sorbet in particular last time, and livegrep in an earlier post). I’ve also done a lot of other performance work on the...
Jonas Hietala
Soda These quotes are from hacker news and I found them all too funny. It’s hard for me to understand the...
over a year ago
2
over a year ago
These quotes are from hacker news and I found them all too funny. It’s hard for me to understand the whole soda phenomenon in Canada and the US. Is it as addictive as cigarettes? Does it make you crave for more? Or it simply tastes so good that you can’t get enough of it? Why not...
Applied Cartography
Notes on Zed I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors...
9 months ago
3
9 months ago
I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors whenever I see them — which is why this morning I installed Zed, which makes its bones on performance (yay!) and teams functionality (irrelevant for my use cases, but seems...
Jonas Hietala
Netrunner Winter Kit Tournament Linköping After quite the hiatus from Netrunner I had a chance to join a tournament here in Linköping with 14...
over a year ago
2
over a year ago
After quite the hiatus from Netrunner I had a chance to join a tournament here in Linköping with 14 participants. The number of players has grown a lot since the previous tournament which is really great. As I really wanted to win the wonderful Day Job playmat I went with two of...
Jonas Hietala
Why is my file so huge? My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too -...
over a year ago
3
over a year ago
My latest game was absolutely huge! And I’m not talking about the music (which was pretty huge too - roughly 20mb) but the little .exe file. It was 14,6mb!! Now every way you look at it, that’s incredibly huge. It’s like comparing an ant to a human. Normally the little ant is the...
Arduino Blog
Reimagining the chicken coop with predator detection, Wi-Fi control, and more The traditional backyard chicken coop is a very simple structure that typically consists of a...
4 months ago
57
4 months ago
The traditional backyard chicken coop is a very simple structure that typically consists of a nesting area, an egg-retrieval panel, and a way to provide food and water as needed. Realizing that some aspects of raising chickens are too labor-intensive, the Coders Cafe crew decided...
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
Old Vintage...
xa (xa65) 2.4.0 - finally xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816...
a year ago
60
a year ago
xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816 crossassembler; yours truly is the current maintainer and I just punched "live" on it tonight. It runs on Un*xy things and Windows (with Cygwin or msys2 or similar), and probably other...
lcamtuf’s thing
Shining light on photodiodes Photodiodes are incredibly versatile, but commonly misused and misunderstood.
2 months ago
Bryan Braun - Blog
Setting up your /now page with an RSS feed I have a /now page, which I use to tell people what I’m up to these days. I like the concept of “now...
a month ago
4
a month ago
I have a /now page, which I use to tell people what I’m up to these days. I like the concept of “now pages” but I felt like it would be better if it had an RSS feed. The feed would give interested parties a way to subscribe to life changes. The problem is that RSS feeds aren’t...
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,...
Good Enough
How We Made A Good Enough Zine We made a zine! The first issue was released in August, and I finished the second issue just last...
a year ago
2
a year ago
We made a zine! The first issue was released in August, and I finished the second issue just last week. Right now, a hundred copies are on their way from the printer to me (update: they've just arrived!). Today I'd like to share the story of how this zine came about. (Sorry for...
Home on Erik...
Being data driven I picked up an issue of Foreign Affairs while flying back to NYC from SFO. It features this long...
over a year ago
2
over a year ago
I picked up an issue of Foreign Affairs while flying back to NYC from SFO. It features this long interview with U.S. General Stanley McChrystal and I thought it was pretty interesting how striking some of the similarities are between fighting in a war and developing software.
Lighthouse Blog
Updates November 17: Content classification and summary
a year ago
Matt Mullenweg
Everyone’s An Owner Last Friday we said goodbye to 159 colleagues as part of our alignment offer. It was a tough day,...
2 months ago
5
2 months ago
Last Friday we said goodbye to 159 colleagues as part of our alignment offer. It was a tough day, there are a lot of close relationships within Automattic, and goodbyes are always hard. On Monday, I got to be Oprah for a few minutes. We had scheduled a town hall for leaders...
Matt Blewitt
Long Distance Relationships I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through...
2 months ago
5
2 months ago
I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through UTC+10, for the last couple of years. Through that time, I’ve learned a lot on organising work, interpersonal relationships, and ultimately how to overcome a lack of promximity to my...
Home on Erik...
There is no magic trick (Warning: super speculative, feel free to ignore) As Yogi Berra said, “It's tough to make...
over a year ago
1
over a year ago
(Warning: super speculative, feel free to ignore) As Yogi Berra said, “It's tough to make predictions, especially about the future”. Unfortunately predicting is hard, and unsurprisingly people look for the Magic Trick™ that can resolve all the uncertainty.
Willem's Blog
iPad Pro next to my primary machine Using iPad Pro with Apple Pencil next to my computer to form a create powerhouse
over a year ago
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...
Arduino Blog
Play rock-paper-scissors using a time-of-flight sensor and an Arduino UNO R4 Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with...
5 months ago
34
5 months ago
Owing to its simplicity and fast-paced nature, rock-paper-scissors is a great game to play with friends, and when it comes to translating it into a digital format, many creative adaptations can be made. This version by madmcu forgoes the typical three-button input scheme in favor...
Vitalik Buterin's...
In-person meatspace protocol to prove unconditional possession of a private key
over a year ago
Arduino Blog
Introducing Arduino cores with ZephyrOS (beta): take your embedded development to the next level Last July, when we announced the beginning of the transition from Mbed to Zephyr, we promised to...
2 weeks ago
5
2 weeks ago
Last July, when we announced the beginning of the transition from Mbed to Zephyr, we promised to release the first beta by the end of 2024. Today, we are excited to announce the first release of Arduino cores with ZephyrOS in beta! ZephyrOS is an open-source, real-time operating...
Vitalik Buterin's...
On Medium-of-Exchange Token Valuations
over a year ago
Vitalik Buterin's...
Gitcoin Grants Round 6 Retrospective
over a year ago
seangoedecke.com RSS...
Blockchain explained simply A blockchain is a distributed database. Bitcoin, Ethereum and Dogecoin are all different databases....
over a year ago
2
over a year ago
A blockchain is a distributed database. Bitcoin, Ethereum and Dogecoin are all different databases. A blockchain node is a computer with an…
Willem's Blog
Smartwatches vs Mechanical watches Why I still wear a mechanical watch and why smartwatches have potential.
over a year ago
./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....
Engineers Need Art
Move Fast and Abandon Things For every shareware game I released in the 1990's, another four were partially written but put aside...
3 months ago
38
3 months ago
For every shareware game I released in the 1990's, another four were partially written but put aside and abandoned.
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 2: The Surge
2 months ago
Willem's Blog
Syncing files seamlessly between smartphone and tablet In order to optimise my workflow, I was looking for a way to seamlessly access the same files on...
over a year ago
2
over a year ago
In order to optimise my workflow, I was looking for a way to seamlessly access the same files on both my computer and smartphone. Read along to find out how I did it.
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.
Applied Cartography
Migrating someone who's on Stripe Connect Express Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author...
11 months ago
2
11 months ago
Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author has full agency over their account and is the merchant of record; they can revoke OAuth access from Substack (or whomever) at any time; Substack continues to take that 10% as an...
Willem's Blog
Cutting Cloud Costs Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud...
a year ago
2
a year ago
Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud expenses!
Applied Cartography
Always use an enum for your status field When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now...
3 months ago
2
3 months ago
When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now — I was thrilled by the concept of an "architecture review", and by extension the concept of a "Principal Engineer" (Amazon's term for a staff-level engineer, someone beyond...
Arduino Blog
Does your sample contain DNA or RNA? DIYNAFLUOR can tell you on a budget Lab equipment is — traditionally at least — tremendously expensive. While there are understandable...
3 days ago
8
3 days ago
Lab equipment is — traditionally at least — tremendously expensive. While there are understandable reasons for those costs, they are prohibitive to anyone operating outside of a university or corporate lab. But as the “citizen science” movement has grown, we’ve seen more and more...
Vitalik Buterin's...
Über Kollusion
over a year ago
Home on Erik...
Detecting corporate fraud using Benford's law Note: This is a silly application. Don't take anything seriously. Benford's law describes a...
over a year ago
2
over a year ago
Note: This is a silly application. Don't take anything seriously. Benford's law describes a phenomenon where numbers in any data series will exhibit patterns in their first digit. For instance, if you took a list of the 1,000 longest rivers of Mongolia, or the average daily...
Good Enough
Season 3, Issue 2: Britney Coltrane 1. I ❤️HR The past two weeks Barry and Lettini have been building our next little project, and I...
a year ago
3
a year ago
1. I ❤️HR The past two weeks Barry and Lettini have been building our next little project, and I tried to deal with the company-side of work: setting up payroll, health insurance, and making sure we’re compliant (hello, bureaucracy!). Back in the day when Danny and I started...
Louwrentius
Recycle your old laptop display and turn it into a monitor During a cleaning spree I decided that it was time to recycle two old laptops that were just...
over a year ago
3
over a year ago
During a cleaning spree I decided that it was time to recycle two old laptops that were just collecting dust on a shelf for many years. Although I didn't have any purpose for them anymore, I realised that the displays were still perfectly fine. This is the display of my old 13"...
Simply Explained
How I Structure My ESPHome Config Files I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know...
over a year ago
3
over a year ago
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know they can run ESPHome.ESPHome is a modular firmware that you have to configure with YAML files. You define what components it should load and how it should talk to the hardware of...
Willem's Blog
Linking Lemmid Store with kitchens Designing backend servers to connect with external services is challenging as you need to take into...
over a year ago
3
over a year ago
Designing backend servers to connect with external services is challenging as you need to take into account unreliability and unpredictability.
Ken Shirriff's blog
Inside the Intel 386 processor die: the clock circuit Processors are driven by a clock, which controls the timing of each step inside the chip. In this...
a year ago
2
a year ago
Processors are driven by a clock, which controls the timing of each step inside the chip. In this blog post, I'll examine the clock-generation circuitry inside the Intel 386 processor. Earlier processors such as the 8086 (1978) were simpler, using two clock phases internally. The...
Notes on software...
SMTP protocol basics from scratch in Go: receiving email from Gmail I've never run my own mail server before. Before today I had no clue how email worked under the hood...
over a year ago
3
over a year ago
I've never run my own mail server before. Before today I had no clue how email worked under the hood other than the very few times I've set up mail clients. I've heard no few times how hard it is to send mail from a self-hosted server (because of spam filters). But how hard can...
Notes on software...
Writing a SQL database, take two: Zig and RocksDB For my second project while learning Zig, I decided to port an old, minimal SQL database project...
over a year ago
2
over a year ago
For my second project while learning Zig, I decided to port an old, minimal SQL database project from Go to Zig. In this post, in ~1700 lines of code (yes, I'm sorry it's bigger than my usual), we'll create a basic embedded SQL database in Zig on top of RocksDB. Other than the...
Ken Shirriff's blog
Reverse engineering CMOS, illustrated with a vintage Soviet counter chip I recently came across an interesting die photo of a Soviet1 chip, probably designed in the...
10 months ago
2
10 months ago
I recently came across an interesting die photo of a Soviet1 chip, probably designed in the 1970s. This article provides an introductory guide to reverse-engineering CMOS circuits, using this chip as an example. Although the chip looks like a tangle of lines at first, its large...
Matt Blewitt
Regular Restarts Are Good, Actually Anecdotally, one of the more maligned features of the Heroku platform are the 24-hour limits on...
a month ago
4
a month ago
Anecdotally, one of the more maligned features of the Heroku platform are the 24-hour limits on compute units, known as “dynos”. This is actually a good thing, but very misunderstood.
computers are bad
2024-05-06 matrix For those of you who are members of the Matrix project, I wanted to let you know that I am running...
7 months ago
121
7 months ago
For those of you who are members of the Matrix project, I wanted to let you know that I am running for the Governing Board, and a bit about why. For those of you who are not, I hope you will forgive the intrusion. Maybe you'll find my opinions on the topic interesting anyway. I...
Vitalik Buterin's...
A Note on Metcalfe's Law, Externalities and Ecosystem Splits
over a year ago
Louwrentius
Fully unattended deployment of Windows clients using limited resources Introduction Anyone who ever installed Windows on a computer by hand must have wished for a solution...
over a year ago
3
over a year ago
Introduction Anyone who ever installed Windows on a computer by hand must have wished for a solution that automate this task. It's just waiting a lot and pressing a button now and then. But installing the operating system itself is only the beginning. Once installed, you need to...
computers are bad
2023-09-10 the Essex GWEN site Programming note: this post is in color. I will not debase myself to the level of sending HTML...
a year ago
70
a year ago
Programming note: this post is in color. I will not debase myself to the level of sending HTML email, so if you receive Computers Are Bad by email and want the benefit of the pictures, consider reading this online instead (the link is at the top of the email). In the aftermath of...
Abort Retry Fail
Housekeeping 20241208 Corrections, stats, and an update
2 weeks ago
Jonas Hietala
MenuCity This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty...
over a year ago
2
over a year ago
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty much held to what I planned for - except that it deviated from the theme -again- a bit. My game is very reminiscent of the old calculator classic Block Dude made by Brandon...
Louwrentius
Difference of behavior in SATA Solid State Drives Introduction Update: I've noticed some strange behavior of SSDs when benchmarking them with FIO....
over a year ago
3
over a year ago
Introduction Update: I've noticed some strange behavior of SSDs when benchmarking them with FIO. After further investigation and additional testing, I've found the reason for the strange patterns in the graphs. The 'strange' test results are due to the fact that they were...
Abort Retry Fail
Unboxing New Old Stock Windows 3.11 A Photo Gallery
a year ago
./techtipsy
They make USB-C cables with displays now! I’ve reached a point in my setup where most of the devices that I use are based around the coveted...
6 months ago
83
6 months ago
I’ve reached a point in my setup where most of the devices that I use are based around the coveted USB-C port. This meant that I had a valid reason to get a few extra because I didn’t yet have a stockpile of good USB-C cables. That’s when I found out that there exist cables that...
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...
Lighthouse Blog
How to use rules
6 months ago
Lars Lofgren
My 7 Rules for A/B Testing That Triple Conversion Rates I really don’t care how any given A/B test turns out. That’s right. Not one bit. But wait, how do I...
over a year ago
2
over a year ago
I really don’t care how any given A/B test turns out. That’s right. Not one bit. But wait, how do I double or triple conversion rates without caring how a test performs? I actually care about the whole SYSTEM of testing. All the pieces need to fit together just right. If not,...
Arduino Blog
Clone your IoT projects with Arduino Cloud Custom Templates Whether you are an IoT enthusiast, an enterprise developer or a high school teacher, we all know the...
4 months ago
48
4 months ago
Whether you are an IoT enthusiast, an enterprise developer or a high school teacher, we all know the thrill of bringing a new IoT project to life. But we also understand the frustration of repetitive setup processes and the time sink of configuring the same elements over and over...
Home on Erik...
Why conversion matters: a toy model There are often close relationships between top level business metrics. For instance, it's well...
over a year ago
3
over a year ago
There are often close relationships between top level business metrics. For instance, it's well known that retention has a super strong impact on the valuation of a subscription business. Or that the % of occupied seats is super important for an airline.
Vitalik Buterin's...
Ask security questions
10 months ago
Louwrentius
Setting up a Squid proxy with Clamav anti-virus using c-icap Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer...
over a year ago
3
over a year ago
Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer presenting a different set of challenges, requiring different skill sets and technology. So every layer will increase the time and effort to compromise your environment. A...
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,...
Good Enough
Good Enough Marketing: The Preparation We have a couple of exciting projects—Guestbook! Yay.Boo!—that we want to share with the world. But...
a year ago
3
a year ago
We have a couple of exciting projects—Guestbook! Yay.Boo!—that we want to share with the world. But that’s a difficult task for us because, honestly, we’re terrible not good at self-promotion. We’d rather spend time making things than talking about the things we’ve made. We’d...
Arduino Blog
DIY ECU controls Honda Insight’s Kubota diesel engine The Honda Insight was the first hybrid car released in North America and Honda put serious effort...
6 months ago
72
6 months ago
The Honda Insight was the first hybrid car released in North America and Honda put serious effort into making it as efficient as was practical at the time. That meant aerodynamic streamlining, which is why the first-generation Insight had very distinct covers over the rear...
Notes on software...
Interview with the D Language Blog: BSDScheme This is an external post of mine. Click here if you are not redirected.
over a year ago
Vitalik Buterin's...
Hard Problems in Cryptocurrency: Five Years Later
over a year ago
Buck on Software
Category velocity People make decisions, not businesses.
over a year ago
Computer Ads from...
Dipco's Easy Reader "Sight for Sore Eyes"
a month ago
computers are bad
2024-07-31 just disconnect the internet So, let's say that a security vendor, we'll call them ClownStrike, accidentally takes down most of...
4 months ago
54
4 months ago
So, let's say that a security vendor, we'll call them ClownStrike, accidentally takes down most of their Windows install base with a poorly tested content update. Rough day at the office, huh? There are lots of things you could say about this, lots of reasons it happens this way,...
Arduino Blog
Massive tentacle robot draws massive attention at EMF Camp Most of the robots we feature only require a single Arduino board, because one Arduino can control...
6 months ago
47
6 months ago
Most of the robots we feature only require a single Arduino board, because one Arduino can control several motors and monitor a bunch of sensors. But what if the robot is enormous and the motors are far apart? James Bruton found himself in that situation when he constructed this...
Electronics etc…
Cable Length Measurement with an HP 8007B Pulse Generator MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [...
a year ago
66
a year ago
MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [ ['$', '$'], ["\\(", "\\)"] ], displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ], processEscapes: true, skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
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...
Notes on software...
First month on a database team A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The...
9 months ago
2
9 months ago
A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The process of onboarding myself has been pretty similar at each company in the last decade, though I think I've gotten better at it. The process is of course influenced by the team, and my...
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...
Good Enough
Cool Songs Don’t Die Earlier this week, I watched the pilot episode of Alias. Yes, that Alias – the one that began airing...
a year ago
2
a year ago
Earlier this week, I watched the pilot episode of Alias. Yes, that Alias – the one that began airing 22 years ago and ran for 5 seasons and was a pretty big hit and launched the careers of two bonafide movie stars and featured a cast of very well known supporting actors. So yeah,...
Vitalik Buterin's...
Alternatives to selling at below-market-clearing prices for achieving fairness (or community...
over a year ago
Good Enough
TIL: Victory Symbol We noticed that the victory symbol at the bottom of our homepage looked different in Chrome than...
a year ago
3
a year ago
We noticed that the victory symbol at the bottom of our homepage looked different in Chrome than Safari––it was playing smart and rendered the unicode character as an emoji. Lettini found a fix though! Append this string of code to the symbol: ︎. So ✌︎ renders...
Christian Selig
Juno 1.1 If you’re new, Juno is a visionOS app for YouTube! Juno’s initial launch blew my socks off. It was...
10 months ago
39
10 months ago
If you’re new, Juno is a visionOS app for YouTube! Juno’s initial launch blew my socks off. It was such a cool feeling to release an app on day one of the Apple Vision Pro’s launch, and having people be so excited about it and have such great feedback made it that much better....
Old Vintage...
One-parting some Commodore 64 utilities for fun and profit I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them...
a month ago
29
a month ago
I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them involve some little Commodore 64 games I've had kicking around on the backburner. However, every game needs media assets, and while there are many great tools for doing art on your...
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
What home NAS builders should understand about silent data corruption Introduction When it comes to dealing with storage in a DIY NAS context, two important topics come...
over a year ago
2
over a year ago
Introduction When it comes to dealing with storage in a DIY NAS context, two important topics come up: Unrecoverable read errors (UREs) or what old people like me call 'bad sectors' Silent data corruption (data corruption unnoticed by the storage layers) I get a strong impression...
Engineers Need Art
Tom Dowdy Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in...
over a year ago
66
over a year ago
Tom Dowdy was a software engineer at Apple back in 1995 when I was still writing Macintosh games in Lawrence, Kansas.
Good Enough
TIL: Rails has_one Nested Attributes Tweaking In a project I'm working on right now I've been using a Rails nested form and a couple of things...
a year ago
2
a year ago
In a project I'm working on right now I've been using a Rails nested form and a couple of things caught me off guard. has_one Nested Form Sending id Attribute In this case I have a nested form that is in a has_one relationship with the parent model. I think this is a common thing...
Home on Erik...
Mortality statistics and Sweden's "dry tinder" effect We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”....
over a year ago
2
over a year ago
We live in a year of about 350,000 amateur epidemiologists and I have no desire to join that “club”. But I read something about COVID-19 deaths that I thought was interesting and wanted to see if I could replicated it through data.
Home on Erik...
Software infrastructure 2.0: a wishlist Software infrastructure (by which I include everything ending with *aaS, or anything remotely...
over a year ago
3
over a year ago
Software infrastructure (by which I include everything ending with *aaS, or anything remotely similar to it) is an exciting field, in particular because (despite what the neo-luddites may say) it keeps getting better every year! I love working with something that moves so...
Vitalik Buterin's...
An Incomplete Guide to Rollups
over a year ago
Arduino Blog
On-body LEDs help this guitar rock harder You don’t go to watch a band play live for the audio quality — most venues are atrocious in that...
6 months ago
38
6 months ago
You don’t go to watch a band play live for the audio quality — most venues are atrocious in that regard. No, you go to enjoy the show as a whole and that includes the visuals. The more a band can do to make the performance look exciting, the more you’re going to enjoy it. […] The...
computers are bad
2024-01-16 the tacnet tracker Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled time in mobile...
11 months ago
74
11 months ago
Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled time in mobile computing." Today, I want to share a little example. Over the last few weeks, for various personal reasons, I have been doing a lot of reading about embedded operating systems and ISAs for...
Louwrentius
HP Proliant Microserver N40L is a great NAS or Router Update 2012-12-11: It seems that a new and faster version is on the horizon. Update 2012-12-21:...
over a year ago
2
over a year ago
Update 2012-12-11: It seems that a new and faster version is on the horizon. Update 2012-12-21: Yes, the new model G7 N54L is out. Some products seem almost too good to be true and I think the HP Proliant Microserver N40L is one of them. If you are into the market for a very...
Home on Erik...
Fun with trigonometry: the world's most twisted coastline I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of...
over a year ago
2
over a year ago
I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of Italy, the Mediterranean sea was to the east, because the house was situated on a long bay.
Vitalik Buterin's...
What do I think about Community Notes?
a year ago
Computer Ads from...
IBM RISC System/6000 Family Just when PowerSeeker thought they had nowhere to go...
7 months ago
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
3
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...
Abort Retry Fail
Housekeeping for 20240309 Super quick updates
9 months ago
Louwrentius
Systemd Forward Secure Sealing of system logs makes little sense Systemd is a more modern replacement of sysvinit and its in the process of being integrated into...
over a year ago
3
over a year ago
Systemd is a more modern replacement of sysvinit and its in the process of being integrated into most mainstream Linux distributions. I'm a bit troubled by one of it's features. I'd like to discuss the Forward Secure Sealing (FSS) feature for log files that is part of systemd....
Good Enough
Our ChatGPT Mission Statement What follows is an edited transcript of my interaction with ChatGPT to help craft a mission...
a year ago
2
a year ago
What follows is an edited transcript of my interaction with ChatGPT to help craft a mission statement for Good Enough. The resulting mission statement was surprisingly good and I had some literal LOLs along the way. Though I think we'll leave out the haiku. You are an expert at...
Jonas Hietala
Plans for Summer of Code My first summer job is now over, and after a weekend of rest, it is now time to plan for my second...
over a year ago
3
over a year ago
My first summer job is now over, and after a weekend of rest, it is now time to plan for my second summer job: IDA Summer of Code. I will work a month, or 4 weeks, with contributing to rust! The only issue is, I have no idea where to start. I didn’t have a strict plan or a vision...
./techtipsy
Fairphone 5: my heavily biased overview after 58 days of use (and counting) After months of contemplating I finally pulled the trigger and got myself a Fairphone 5. The...
9 months ago
107
9 months ago
After months of contemplating I finally pulled the trigger and got myself a Fairphone 5. The fact that iPhone X stopped receiving major iOS updates certainly helped make that decision. “But why? My Xiaomi/Oneplus/Samsung/other glued-together device is like so much cheaper and...
somenice
Untitled
4 months ago
heavymeta.org
CrowdStrike's Impact on Aviation Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike...
4 months ago
3
4 months ago
Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike YOLOed a software update to millions of Windows machines. Or as they put it: On July 19, 2024 at 04:09 UTC, as part of ongoing operations, CrowdStrike released a sensor...
Old Vintage...
Pretty pictures, bootable floppy disks, and the first Canon Cat demo? Now that our 1987 Canon Cat is refurbished and ready to go another nine innings or so, it's time to...
5 months ago
73
5 months ago
Now that our 1987 Canon Cat is refurbished and ready to go another nine innings or so, it's time to get into the operating system and pull some tricks. from our historical discussion of the Canon Cat, the Cat was designed by Jef Raskin as a sophisticated user-centric computer...
Home on Erik...
Luigi Presentation @ NYC Data Science, Dec 16, 2014 More Luigi presentations!
over a year ago
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...
Notes on software...
Writing a simple Python compiler: 1. hello, fibonacci In this post we'll write a Python to C compiler in Python. This is especially easy to do since...
over a year ago
3
over a year ago
In this post we'll write a Python to C compiler in Python. This is especially easy to do since Python has a builtin parser library and because a number of CPython internals are exposed for extension writers. By the end of this post, in a few hundred lines of Python, we'll be able...
Arduino Blog
Monitoring the weather with an Arduino MKR WiFi 1010-based station Being able to monitor the weather in real-time is great for education, research, or simply to...
7 months ago
84
7 months ago
Being able to monitor the weather in real-time is great for education, research, or simply to analyze how the local climate changes over time. This project by Hackster.io user Pradeep explores how he was able to design a simple station outdoors that could communicate with a...
Notes on software...
Writing a simple JSON library from scratch: a tour through modern C++ Modern C++ has a lot of cool features. Move semantics means passing around structs in functions is...
over a year ago
2
over a year ago
Modern C++ has a lot of cool features. Move semantics means passing around structs in functions is cheap. std::shared_ptr means I don't have to manage any memory; no more new/delete! (But try as I might to understand std::unique_ptr, I'm just not there yet.) The syntax has also...
Notes on software...
Effective unemployment and social media Being unemployed can be incredibly depressing. So much rejection. Everything seems to be out of your...
a month ago
4
a month ago
Being unemployed can be incredibly depressing. So much rejection. Everything seems to be out of your control. Everything except for one thing: what you produce. You might know that repeatedly posting on social media that you are looking for work is ineffective. That it looks (or...
Arduino Blog
Venderoo is an Arduino Mega-powered DIY vending machine For now-college student Joel Grayson, making something that combined his interests in mechanics,...
2 months ago
21
2 months ago
For now-college student Joel Grayson, making something that combined his interests in mechanics, electronics, and programming while being simultaneously useful to those around him was a longtime goal. His recent Venderoo project is exactly that, as the creatively named vending...
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...
Abort Retry Fail
The History of GM-NAA I/O and SHARE The Birth of Computer Operating Systems
a year ago
./techtipsy
Turning leftover PC parts into a decent gaming PC Introduction About a year ago, I bought an used PC based off of a Lenovo Erazer X510. It had a...
over a year ago
32
over a year ago
Introduction About a year ago, I bought an used PC based off of a Lenovo Erazer X510. It had a dual-core Intel Pentium G3220 CPU, 4GB of DDR3 RAM, a crappy Codegen 400W power supply and a 60GB SSD. I added an Nvidia GTX 1050 and just like that, a budget gaming PC was born. My...
GitButler
Git Merge 2024 Talks are Up All the Git Merge 2024 talks are up on Youtube. Here is a quick summary of each one.
a month ago
Electronics etc…
HP 33120A Repair - Shutting Down the Eye of Sauron Introduction Opening Up an HP 33120A A Walk Through the Block Diagram Bug Hunting Zener...
a year ago
62
a year ago
Introduction Opening Up an HP 33120A A Walk Through the Block Diagram Bug Hunting Zener Replacement Staring at the Eye of Sauron FLIR IR Imaging To Destroy a PCB in Order to Save It Circuit Reconstruction Success! Trust but Verify Conclusion References Introduction When the...
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...
Simply Explained
Serverless Anagram Solver with Cloudflare R2 and Pages Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB....
over a year ago
2
over a year ago
Six years ago, I reworked my anagram solver so it would run on top of AWS Lambda and DynamoDB. However, this year I realized I didn't need server-side code or a database at all. I could make it completely static by pre-computing anagram solutions.
Jonas Hietala
How I wrote a book using Pollen I wrote an online book using Pollen, a static site generator in Racket. An earlier post contains my...
over a year ago
3
over a year ago
I wrote an online book using Pollen, a static site generator in Racket. An earlier post contains my first impressions of it, but as the book is now completed I think I can summarize some implementation details in more detail with this post. I really like the markup language and...
Louwrentius
Installation of ZFS on Linux hangs on Debian Wheezy This article is no longer relevant. After a fresh net-install of Debian Wheezy, I was unable to...
over a year ago
2
over a year ago
This article is no longer relevant. After a fresh net-install of Debian Wheezy, I was unable to compile the ZFS for Linux kernel module. I've installed apt-get install build-essential but that wasn't enough. The apt-get install debian-zfs command would just hang. I noticed a...
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...
Home on Erik...
Storm in the stratosphere: how the cloud will be reshuffled Here's a theory I have about cloud vendors (AWS, Azure, GCP): Cloud vendors1 will increasingly...
over a year ago
2
over a year ago
Here's a theory I have about cloud vendors (AWS, Azure, GCP): Cloud vendors1 will increasingly focus on the lowest layers in the stack: basically leasing capacity in their data centers through an API. Other pure-software providers will build all the stuff on top of it.
Posts on Made of...
Finding near-duplicates with Jaccard similarity and MinHash Suppose we have a large collection of documents, and we wish you identify which documents are...
5 months ago
2
5 months ago
Suppose we have a large collection of documents, and we wish you identify which documents are approximately the same as each other. For instance, we may have crawled the web over some period of time, and expect to have fetched the “same page” several times, but to see slight...
Willem's Blog
Saving a MacBook Air with exploded battery Saving a MacBook Air with a swollen battery pack.
over a year ago
Applied Cartography
Klarna: nineteen years, twenty billion kroner I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay...
3 weeks ago
5
3 weeks ago
I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay (RIP), Klarna, et al — not for any particular sin I feel that they are committing, but because they in my mind are much less interesting companies with less volatile upside than the...
Jonas Hietala
Settled on an unoriginal idea I think I’ve decided what to do. Some very slight progress has been made.
over a year ago
Louwrentius
My experiences with DFS replication on Windows 2008 R2 If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS...
over a year ago
2
over a year ago
If you are considering implementing DFS replication, consider using Windows 2012 R2 because DFS replication has been massively improved. It supports larger data sets and performance has dramatically been improved over Windows 2008 R2. I've implemented DFS replication to keep two...
Engineers Need Art
Virtual Pinhead Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual...
8 months ago
89
8 months ago
Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual pinball cabinet.
Home on Erik...
Fermat's principle I was browsing around on the Internet and the physics geek in me started reading about Fermat's...
over a year ago
2
over a year ago
I was browsing around on the Internet and the physics geek in me started reading about Fermat's principle. And suddenly something came back to me that I've been trying to suppress for many years – how I never understood why there's anything fundamental about the principal of...
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...
Vitalik Buterin's...
The Most Important Scarce Resource is Legitimacy
over a year ago
Home on Erik...
The hacker's guide to uncertainty estimates It started with a tweet: New years resolution: every plot I make during 2018 will contain...
over a year ago
2
over a year ago
It started with a tweet: New years resolution: every plot I make during 2018 will contain uncertainty estimates — Erik Bernhardsson (@bernhardsson) January 7, 2018 Why? Because I've been sitting in 100,000,000 meetings where people endlessly debate whether the monthly number of...
Style over Substance
Guy’s Cool Tools This is a placeholder post! I’m a huge fan of Kevin Kelly’s Cool Tools site and have loved their...
over a year ago
85
over a year ago
This is a placeholder post! I’m a huge fan of Kevin Kelly’s Cool Tools site and have loved their recommendations for years. So much, so that I even started a Pinterest board filled with my own recommendations. But after a few years of running into the limitations of the form, I...
Simply Explained
ESP-IDF: Storing AWS IoT certificates in the NVS partition (for OTA) When using AWS IoT Core, most tutorials will tell you to include device certificates in your...
over a year ago
2
over a year ago
When using AWS IoT Core, most tutorials will tell you to include device certificates in your firmware. While that does work, it means you won't be able to run over-the-air updates.In this post, I'll show how to store AWS certificates in the NVS partition. This will make it...
./techtipsy
How to save an old printer from the e-waste pile with a Raspberry Pi A family member has a Canon PIXMA MP250 printer, originally released in 2009. It has been a very...
6 months ago
76
6 months ago
A family member has a Canon PIXMA MP250 printer, originally released in 2009. It has been a very reliable piece of hardware, especially for a printer. Then came Windows 10. The printer would not work out of the box with it and the official drivers got stuck during installation....
Jonas Hietala
Getting the book into my hands Around a month ago I placed an order for a reference copy of my upcoming book Why Cryptocurrencies?....
over a year ago
2
over a year ago
Around a month ago I placed an order for a reference copy of my upcoming book Why Cryptocurrencies?. I took the cheapest shipping option at IngramSpark, without tracking and, apparently, without customs declarations as it got stuck in customs for several weeks. But it’s here...
Applied Cartography
Notes from May Lots of writing this month: Why you should use Rails A reminder that things take time How...
6 months ago
3
6 months ago
Lots of writing this month: Why you should use Rails A reminder that things take time How shadcn/ui's previews work Why I hate that 1.01% meme A lovely term, 'grace note' Au revoir, invoke! A quick check-in on 11ty A rant/snippet for auth.js The first edition of what will be a...
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.
./techtipsy
My blog successfully survived a scheduled power outage I had the opportunity to test the resiliency of my home server setup due to a scheduled power outage...
3 months ago
48
3 months ago
I had the opportunity to test the resiliency of my home server setup due to a scheduled power outage on 2024-09-13. It was also Friday the 13th. I’m not superstitious, but I’m a little stitious. My setup usually consists of the home server, a Wifi AP/router combo box, a converter...
On Life and Lisp
Software freedom isn't about licenses -- it's about power. A restrictive end-user license agreement is one way a company can exert power over the user. When...
over a year ago
6
over a year ago
A restrictive end-user license agreement is one way a company can exert power over the user. When the free software movement was founded thirty years ago, these restrictive licenses were the primary user-hostile power dynamic, so permissive and copyleft licenses emerged as...
Jonas Hietala
Bitcoin Cash needs a Specification I’m not a Bitcoin developer, I’m just some guy looking in from the outside. Lately there’s been a...
over a year ago
2
over a year ago
I’m not a Bitcoin developer, I’m just some guy looking in from the outside. Lately there’s been a bunch of heated debates between the different Bitcoin Cash developer teams. Something that stood out from all the noise was problems with communications and a lack of specification...
somenice
Matter as a Smart home standard Matter is the name of the smart home standard that promises to bridge IOT devices and different home...
8 months ago
31
8 months ago
Matter is the name of the smart home standard that promises to bridge IOT devices and different home eco-systems. Amazon Alexa, Google Home, Apple Homekit, Samsung SmartThings, etc. To prevent 6+ flavours of smart lightbulbs working with 6+ different apps, a standard needed to be...
Style over Substance
CANARY Corrugated Cardboard Cutter The CANARY corrugated cardboard cutter is definitely in my top 10 list of most useful purchases...
over a year ago
73
over a year ago
The CANARY corrugated cardboard cutter is definitely in my top 10 list of most useful purchases ever. During the COVID-19 lockdowns, we all started shopping online a lot more. The number of cardboard boxes in our house basically quadrupled overnight and cutting them down to size...
Lighthouse Blog
How to manage tags
6 months ago
Posts on Made of...
What MongoDB got Right MongoDB is perhaps the most-widely-mocked piece of software out there right now. While some of the...
over a year ago
3
over a year ago
MongoDB is perhaps the most-widely-mocked piece of software out there right now. While some of the mockery is out-of-date or rooted in misunderstandings, much of it is well-deserved, and it’s difficult to disagree that much of MongoDB’s engineering is incredibly simplistic,...
Louwrentius
Script that deletes old files to keep disk from filling up When a disk has no free space left, all kinds of trouble can occur. Therefore, I've created a...
over a year ago
2
over a year ago
When a disk has no free space left, all kinds of trouble can occur. Therefore, I've created a script that monitors the used space of a volume and deletes the oldest file if a certain threshold is reached. The script will keep on deleting the oldest file present on disk until...
Willem's Blog
Increase traffic to your blog with a RSS feed Using NodeJS I added RSS feeds to my blog as support for feeds can still provide you with value....
over a year ago
3
over a year ago
Using NodeJS I added RSS feeds to my blog as support for feeds can still provide you with value. Read about the "how" and "why" in this post.
Arduino Blog
Arduino and Truesense partner to bring UWB technology to millions We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB)...
a month ago
22
a month ago
We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB) technology, known for its innovative software and hardware solutions. This collaboration enhances our ecosystem of hardware products, software solutions, and cloud services,...
axio.ms
Mac SE/30 odyssey I’ve always wanted an Apple Macintosh SE/30. Released in 1989, they look quite a lot like the other...
over a year ago
2
over a year ago
I’ve always wanted an Apple Macintosh SE/30. Released in 1989, they look quite a lot like the other members of the original “compact Mac” series, but pack in a ton of interesting features that the other compact Macs don’t have. This is the story of my journey to getting to the...
Matt Blewitt
Logical Replication Guardrails I’ve been working with logical replication in PostgreSQL recently, and I wanted to share a few...
6 months ago
2
6 months ago
I’ve been working with logical replication in PostgreSQL recently, and I wanted to share a few thoughts on how to implement some guardrails to make things easier on operators.
Home on Erik...
Benchmarking nearest neighbor libraries in Python Radim Rehurek has put together an excellent summary of approximate nearest neighbor libraries in...
over a year ago
3
over a year ago
Radim Rehurek has put together an excellent summary of approximate nearest neighbor libraries in Python. This is exciting, because one of the libraries he's covering, annoy, was built by me. After introducing the problem, he goes through the list of contestants and sticks with...
Good Enough
TIL: Don’t forget your Web Manifest file We’re primarily a web shop. We’re dipping our toes into mobile app development, but our collective...
a year ago
2
a year ago
We’re primarily a web shop. We’re dipping our toes into mobile app development, but our collective expertise is in making products and services for the web. And like everyone else, our use of the web has shifted from our desktops and laptops to our phones. As we’re creating and...
Notes on software...
Writing a SQL database from scratch in Go: 4. a database/sql driver Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 2. binary expressions...
over a year ago
2
over a year ago
Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 2. binary expressions and WHERE filters 3. indexes In this post, we'll extend gosql to implement the database/sql driver interface. This will allow us to interact with gosql the same way we would...
Nabeel S. Qureshi
Reflections on Palantir A retrospective of an eight-year stint.
2 months ago
Arduino Blog
Can remote co-presence keep distant human connections alive? The pandemic made a lot of things obvious, not the least of which is that humans need social...
5 months ago
70
5 months ago
The pandemic made a lot of things obvious, not the least of which is that humans need social interaction to maintain good mental health. Sadly, many of us spend our lives physically separated from our loved ones by great distances or inopportune circumstances. That’s why a team...
Old Vintage...
Adding a cooling fan to the Commodore 128DCR Call it a "refurb weekend sequel" to our previous work on my beloved Commodore 128DCR. It's been a...
a year ago
66
a year ago
Call it a "refurb weekend sequel" to our previous work on my beloved Commodore 128DCR. It's been a hot, horrid summer in Floodgap Very Sub-Orbital Headquarters and I was somewhat concerned about the heat in the house computer lab even with the A/C cranked up to "Vegas weekend for...
Louwrentius
Is there an easy and secure way to transfer files? Many organisations just assume that the local physical network is trusted. That their network...
over a year ago
3
over a year ago
Many organisations just assume that the local physical network is trusted. That their network equipment is physically secure and that it is impossible for an attacker to get on the wire and start eavesdropping on network traffic. Many organisations do not seem too concerned about...
Christian Selig
My little Apple Vision Pro stand I want somewhere to put my Vision Pro when not in use. Many people use the original box, and there’s...
10 months ago
76
10 months ago
I want somewhere to put my Vision Pro when not in use. Many people use the original box, and there’s beautiful stands that exist out there, but I was looking for something more compact and vertical so it would take up less room on my desk. So I opened Fusion 360 (which I am still...
./techtipsy
Shrinkflation, SanDisk style 2023-02-16 update: this post is not about the “GB vs GiB” issue, or the “lost disk space” that...
a year ago
57
a year ago
2023-02-16 update: this post is not about the “GB vs GiB” issue, or the “lost disk space” that you notice after formatting the device in an OS. Please read the article in full before making inaccurate comments online. For many years, I have used two SanDisk Ultra 16 GB USB flash...
somenice
Gold and Ghosts In the autumn of 1892, two miners, Earl and Edward, found themselves high in the Pacific Northwest...
a month ago
32
a month ago
In the autumn of 1892, two miners, Earl and Edward, found themselves high in the Pacific Northwest mountains, searching for a legend as old as the hills: the lost crate of gold. The tale of “Shining Creek Gold” was whispered in every saloon from Seattle to San Francisco, a cache...
Notes on software...
Administering Kubernetes is hard Kubernetes is easy to use after some exposure; it's pretty convenient too. But it is super hard to...
over a year ago
3
over a year ago
Kubernetes is easy to use after some exposure; it's pretty convenient too. But it is super hard to set up. eksctl is a good tool for folks who don't want to spend hours/days/weeks debugging VPC configuration in 1000s of lines of CloudFormation. None of the other tools seem to be...
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
Jonas Hietala
2014 Read Books In total I read 20 books, which is 33% less than last year. Fiction How to Be a Woman - Catilin...
over a year ago
3
over a year ago
In total I read 20 books, which is 33% less than last year. Fiction How to Be a Woman - Catilin Moran Fun! The Kill Room - Jeffery Deaver A Song of Ice and Fire: Game of Thrones - George R.R. Martin Reread. A Song of Ice and Fire: A Clash of Kings - George R.R. Martin Reread. A...
./techtipsy
My server setups throughout the years My self-hosting adventure started during my university days. Once I actually had money to buy myself...
over a year ago
28
over a year ago
My self-hosting adventure started during my university days. Once I actually had money to buy myself a decent used laptop (ThinkPad T430) that had more than 3GB of RAM that my ThinkPad T60 had, I could use some of my older hardware as testbeds for any of the stupid ideas that I...
Nabeel S. Qureshi
May Updates + New Essay On Moral AI A few months back, I read a tweet from Ilya Sutskever (OpenAI Chief Scientist) which stuck in my...
a year ago
2
a year ago
A few months back, I read a tweet from Ilya Sutskever (OpenAI Chief Scientist) which stuck in my mind: “the long term goal is to build AGI that loves people the way parents love their children”.
watchTowr Labs -...
Cleo Harmony, VLTrader, and LexiCom - RCE via Arbitrary File Write (CVE-2024-50623) We were having a nice uneventful week at watchTowr, when we got news of some ransomware operators...
a week ago
6
a week ago
We were having a nice uneventful week at watchTowr, when we got news of some ransomware operators using a zero-day exploit in Cleo MFT software - namely, LexiCom, VLTransfer, and Harmony - applications that many large enterprises rely on to share files securely. Cleo have a...
Home on Erik...
Developer experience as a competitive advantage I spent a ton of time looking at different software providers, both as a CTO, and as a nerd...
over a year ago
2
over a year ago
I spent a ton of time looking at different software providers, both as a CTO, and as a nerd “advanced” consumer who builds stuff in my spare time. In the last 10 years, there has been an order of magnitude more products that cater directly to developers, through APIs, SDKs, and...
Birchtree
Squashing links on social media Anil Dash: “Link in Bio” Is a Slow Knife For a closed system, those kinds of open connections are...
2 weeks ago
6
2 weeks ago
Anil Dash: “Link in Bio” Is a Slow Knife For a closed system, those kinds of open connections are deeply dangerous. If anyone on Instagram can just link to any old store on the web, how can Instagram — meaning Facebook, Instagram’s increasingly-overbearing owner — tightly
Louwrentius
Rebooting results in degraded RAID array using Debian Lenny As described earlier, I setup a RAID 6 array consisting of physical 1 TB disk and 'virtual' 1 TB...
over a year ago
2
over a year ago
As described earlier, I setup a RAID 6 array consisting of physical 1 TB disk and 'virtual' 1 TB disks that are in fact two 0.5 TB disks in RAID 0.  I wanted to upgrade to Lenny because the new kernel that ships with Lenny supports growing a RAID 6 array. After installing Lenny...
Jonas Hietala
Let's build a VORON: Toolhead Since the last update I’ve made some good progress: All the motors are installed The x-axis and belt...
a year ago
3
a year ago
Since the last update I’ve made some good progress: All the motors are installed The x-axis and belt are installed Tap is installed The toolhead with Stealthburner + Clockwork 2 is also installed Purple means Pretty. I’ve run into a few problems on the way that I’ll try to...
Computer Ads from...
Plus Post: Quantum Software Systems Ltd's QNX Operating Systems Come in Many Flavors But QNX Can Take the Heat
8 months ago
Willem's Blog
Moving to the countryside Join me on a journey from the bustle of Amsterdam to the tranquility of Noord-Limburg's countryside.
over a year ago
2
over a year ago
Join me on a journey from the bustle of Amsterdam to the tranquility of Noord-Limburg's countryside.
Applied Cartography
Postgres batch enqueuing in ten lines of Django It hasn't failed me yet: BATCH_SIZE = 100 def batch_proess(queryset) -> None: count =...
a year ago
2
a year ago
It hasn't failed me yet: BATCH_SIZE = 100 def batch_proess(queryset) -> None: count = queryset.count() if count == 0: time.sleep(10) return with transaction.atomic(): batch = list( queryset.select_for_update(of=("self",),...
Jonas Hietala
Death to the Forum Well it was fun while it lasted, but now it’s gone and it’ll stay gone for a long time I think. It...
over a year ago
3
over a year ago
Well it was fun while it lasted, but now it’s gone and it’ll stay gone for a long time I think. It was mainly a test to see if I could do it and I’m really proud of my styling of it but it’s deader than in a grave, which isn’t really surprising, and it bothered me that I didn’t...
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.
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...
Home on Erik...
We're hiring at Better Just a quick note that my team is always hiring at Better. A lot of new people have been joining the...
over a year ago
2
over a year ago
Just a quick note that my team is always hiring at Better. A lot of new people have been joining the team here in NYC lately—the tech team has actually grown from 35 to 60 in just ~3 months.
Vitalik Buterin's...
A Quick Garbled Circuits Primer
over a year ago
Jonas Hietala
Starcraft 2 Keycaps When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure...
over a year ago
3
over a year ago
When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure they cost almost 10x as much as a “regular” one and they didn’t even have these funky multimedia keys, what gives? Did I loose my insanity? It was supposed to give a great typing...
computers are bad
2024-09-26 the GE switched services network We currently find ourselves in something of a series, working our way from private lines to...
2 months ago
39
2 months ago
We currently find ourselves in something of a series, working our way from private lines to large private line systems like the four-wire private-line national warning system. Let's continue to build on the concept of the private line into large corporate systems. In principle, a...
csvbase blog
DuckDB isn't just fast A whistlestop tour of the cool bits of DuckDB
6 months ago
Neil Madden
On PBKDF2 iterations There has been a lot of discussion recently around the LastPass breach, especially with regards to...
a year ago
2
a year ago
There has been a lot of discussion recently around the LastPass breach, especially with regards to the number of PBKDF2 iterations applied to the master password to derive the vault encryption key. Other people have already dissected this particular breach, but I want to more...
Abort Retry Fail
The History of Lotus The Hardest Working Software in the World
a year ago
Computer Ads from...
Bible Research Systems' THE WORD Processor For Those Who Seek.
5 months ago
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...
Jonas Hietala
Food vacation in Japan Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of...
over a year ago
3
over a year ago
Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of pictures, but I ended up sending a bunch back home as a ways of keeping my family up to date. When I look back most of them are about food… So I’ll turn this into a post about the...
Louwrentius
How to setup a local or private Ubuntu Mirror Preface In this article I provide instructions on how to setup a local Ubuntu mirror using...
a year ago
2
a year ago
Preface In this article I provide instructions on how to setup a local Ubuntu mirror using debmirror. To set expectations: the mirror will work as intended and distribute packages and updates, but a do-release upgrade from one major version of Ubuntu to the next won't...
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.
./techtipsy
FOSDEM 2024: my experience, some notes and tech tips I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited about the...
10 months ago
79
10 months ago
I finally went to FOSDEM. I’m sleep-deprived, completely exhausted, but incredibly excited about the whole experience. I’ve split this post into three separate sections. overall notes on the conference and the city less technical, but sheds light on the FOSDEM experience the...
Vitalik Buterin's...
Don't overload Ethereum's consensus
a year ago
Posts on Made of...
Security doesn't respect abstraction boundaries The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a...
over a year ago
3
over a year ago
The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a set of useful, easily-described behaviors out of a complex system, we can build other systems on top of those pieces, without having to understand to worry about the full complexity...
Arduino Blog
This beautiful table creates art in the sand Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen...
4 months ago
28
4 months ago
Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen gardens that rake themselves in intricate patterns. But most of the builds we’ve seen use a conventional cartesian CNC layout or polar layout. This table by Newsons Electronics takes...
Home on Erik...
Blogroll Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is...
over a year ago
3
over a year ago
Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is funny. I follow a few hundred blogs using Feedly and Reeder and have been reading a few hundred thousand blog posts over the last 10 years.
Notes on software...
Make your own way Over the years, I have repeatedly felt like I missed the timing for a meetup or an IRC group or...
12 months ago
2
12 months ago
Over the years, I have repeatedly felt like I missed the timing for a meetup or an IRC group or social media in general. I'd go to a meetup every so often but I'd never make a meaningful connection with people, whereas everyone else knew each other. I'd join an IRC group and...
Jonas Hietala
2019 in Review As is tradition a quick rundown of the year is due. It’s been good to do as it makes me reflect on...
over a year ago
2
over a year ago
As is tradition a quick rundown of the year is due. It’s been good to do as it makes me reflect on the past year, and see that I did indeed do some things, and to look ahead a little. 2019 Non-Geek Achievements Played around with Isidor. It’s hard to describe how happy a kid can...
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
csvbase blog
Take the tools out of 'Data', but don't take the data out of the tools Using dataframes to write smaller, faster programs
a year ago
./techtipsy
I tried out the CyberPower UT650EG UPS After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out...
over a year ago
39
over a year ago
After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out one UPS that was recommended on the basis of it being much more power efficient compared to the APC UPS that I previously ran. That UPS? CyberPower UT650EG. Why switch out a...
Applied Cartography
Why should a company? For a long time, my goal with Buttondown was largely around failure avoidance: "I want to get my...
9 months ago
3
9 months ago
For a long time, my goal with Buttondown was largely around failure avoidance: "I want to get my first paying customer so I know it's not a fake product"; "I want to hit a thousand dollars in revenue so I know it's not just friends humoring me"; "I want to make $10K/mo or else I...
On Life and Lisp
Vulkan 1.3 on the M1 in 1 month u{text-decoration-thickness:0.09em;text-decoration-color:skyblue} Finally, conformant Vulkan for the...
6 months ago
58
6 months ago
u{text-decoration-thickness:0.09em;text-decoration-color:skyblue} Finally, conformant Vulkan for the M1! The new “Honeykrisp” driver is the first conformant Vulkan® for Apple hardware on any operating system, implementing the full 1.3 spec without “portability”...