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Home on Erik...
Google diversity memo, global warming, Pascal's wager, and other stuff There's about 765 million blog posts about the diversity “memo” that leaked out of Google a couple...
over a year ago
3
over a year ago
There's about 765 million blog posts about the diversity “memo” that leaked out of Google a couple of weeks ago. I think the case for any biological difference is pretty weak, and it bothers me when people refer to an “interest gap” as anything else than caused by the...
Willem's Blog
Some thoughts on touch screen user interface design I am working on a new app involving personal health that requires a natural intuitive interface that...
over a year ago
2
over a year ago
I am working on a new app involving personal health that requires a natural intuitive interface that works well on touch screens. It's good to check out some best practices for touch UI design
Arduino Blog
ThermoGrasp brings thermal feedback to virtual reality Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The...
2 months ago
18
2 months ago
Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The Combine. Or operating a robot through augmented reality and feeling coldness on your fingers when you get close to exceeding the robot’s limits. A prototype device called ThermoGrasp...
Home on Erik...
Optimizing things: everything is a proxy for a proxy for a proxy Say you build a machine learning model, like a movie recommender system. You need to optimize for...
over a year ago
3
over a year ago
Say you build a machine learning model, like a movie recommender system. You need to optimize for something. You have 1-5 stars as ratings so let's optimize for mean squared error. Great. Then let's say you build a new model.
seangoedecke.com RSS...
Why some engineers get trusted with high-impact work It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go...
20 hours ago
10
20 hours ago
It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go around. Worse still, the chances to work on…
Jonas Hietala
Ludum Dare 29 Entry After months of procrastination it is time for me to enter Ludum Dare again! I am totally...
over a year ago
2
over a year ago
After months of procrastination it is time for me to enter Ludum Dare again! I am totally unprepared, but I did setup a setup which actually compiles. I never got audio to run but hopefully I can manage something. Repository: https://github.com/treeman/LD29. Going for C++ this...
Electronics etc…
ThinMachine - a $25 Thin Client MacOS Time Machine Appliance The instructions below set up Time Machine using the Apple File Protocol (AFP). After publishing...
a year ago
78
a year ago
The instructions below set up Time Machine using the Apple File Protocol (AFP). After publishing this blog post, I’ve been told that this is now deprecated and that Samba should be used instead. I’ll update this blog post in the near future. Introduction The HP t520 Thin...
Louwrentius
Improving web application security by implementing database security Security is about defense-in-depth. It bogles my mind why it is so difficult to implement...
over a year ago
3
over a year ago
Security is about defense-in-depth. It bogles my mind why it is so difficult to implement defense-in-depth security in web applications. 99.9% of applications use a single database account, with root-like privileges. Easiest for the developer of course, and the database is just a...
Vitalik Buterin's...
STARKs, Part II: Thank Goodness It's FRI-day
over a year ago
Posts on Made of...
Versioning dotfiles in git I’ve been looking for a good solution for versioning and synchronizing my dotfiles between machines...
over a year ago
3
over a year ago
I’ve been looking for a good solution for versioning and synchronizing my dotfiles between machines for some time. I experimented with keeping all of ~ in subversion for a while, but it never worked out well for me. I’ve finally settled on a solution that I like using git, and so...
Home on Erik...
Nearest neighbors and vector models – epilogue – curse of dimensionality This is another post based on my talk at NYC Machine Learning. The previous two parts covered most...
over a year ago
3
over a year ago
This is another post based on my talk at NYC Machine Learning. The previous two parts covered most of the interesting parts, but there are still some topics left to be discussed. To go back and read the meaty stuff, check out
Lighthouse Blog
Overview of the reading view
6 months ago
Avestura's Blog
Hiding a photo inside another photo How to hide a small photo inside a larger photo?
over a year ago
Louwrentius
Don't use cloud services if you care about secrecy of your data When you use cloud services, you are storing your data on other people's hard drives. The moment you...
over a year ago
2
over a year ago
When you use cloud services, you are storing your data on other people's hard drives. The moment you put your data within a cloud service, that data is no longer under your control. You don't know who will access that data. Secrecy is lost. Instead of using services like Gmail...
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...
Neil Madden
Making things I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar...
over a year ago
2
over a year ago
I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar donated by a neighbour). It’s a bit clunky in places — “rustic” shall we say? But I probably enjoyed making this, over a few weeks of lunchtimes and evenings, more than anything I’ve...
Vitalik Buterin's...
El recurso escaso más importante es la legitimidad
over a year ago
Matt Mullenweg
WPAI Very excited to share that we’ve acquired WPAI and the team is joining Automattic. They have some...
a week ago
5
a week ago
Very excited to share that we’ve acquired WPAI and the team is joining Automattic. They have some very cool products including CodeWP, AgentWP, and WP.chat.
Arduino Blog
A miniature Vegas Sphere is the perfect nightlight Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the...
4 months ago
35
4 months ago
Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the 21st century so far. Gaudy? Maybe. Controversial? Definitely. Interesting? Absolutely — no one can debate that with a straight face. When 15-year-old Ben Kennedy’s bedroom nightlight...
Applied Cartography
Auth.js + Square Internal tools and small, well-scoped projects are a great avenue to tinker with technologies on the...
7 months ago
2
7 months ago
Internal tools and small, well-scoped projects are a great avenue to tinker with technologies on the periphery of your understanding, and a Third South project has led me to spin up a small Next project using Bun [1] and Auth.js (nee next-auth), which has been quite bad and I...
Old Vintage...
So long, Z80 You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s...
8 months ago
82
8 months ago
You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s (PDF), announcing earlier this week that after June 14th you won't be able to buy them anymore (specifically the last-part-standing Z84C00 which comes in various speeds from 6-20 MHz)...
Applied Cartography
Grace notes I'm not loving Unreasonable Hospitality, but it did supply me with a phrase that I've been looking...
7 months ago
3
7 months ago
I'm not loving Unreasonable Hospitality, but it did supply me with a phrase that I've been looking for: Eventually, that gesture became one of our steps of service. The host would ask guests, “How’d you get here tonight?” If they responded, “Oh, we drove,” he’d follow up with,...
Lighthouse Blog
Updates April 12
8 months ago
Home on Erik...
statself.com Btw I just put something up online that I spent a couple of evenings in my couch putting together:...
over a year ago
2
over a year ago
Btw I just put something up online that I spent a couple of evenings in my couch putting together: it's a website where you can track any numerical data on the web. Want to know how many Twitter followers you have?
Louwrentius
Performance monitoring using dstat I'd like to introduce the utility 'dstat'. Dstat provides detailed statistics about what is...
over a year ago
2
over a year ago
I'd like to introduce the utility 'dstat'. Dstat provides detailed statistics about what is currently happening on your Linux box. Dstat allows you to monitor the system load, disk troughput, disk io, network bandwith, and many more items. Dstat is so valuable because it...
Notes on software...
Practical? Common Lisp on the JVM: A quick intro to ABCL for modern web apps In a ridiculous attempt to prove an internet wrong about the practicality of Lisp (Common Lisp...
over a year ago
2
over a year ago
In a ridiculous attempt to prove an internet wrong about the practicality of Lisp (Common Lisp specifically), I tried to get a simple (but realistic) web app running. After four days and a patch to ABCL I got something working. The code I had in mind would look something like...
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...
Vitalik Buterin's...
7ème tour des subventions Gitcoin - Rétrospective
over a year ago
lcamtuf’s thing
Building a phosphorescence detector There's very little written about natural phosphorescence. Let's design a device that can spot it in...
3 weeks ago
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
3
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...
Jonas Hietala
2013 in Review The year is almost over and I think I accomplished a lot this year. You can read my reviews of 2010,...
over a year ago
2
over a year ago
The year is almost over and I think I accomplished a lot this year. You can read my reviews of 2010, 2011 and 2012. 2013 Geek Achievements Solved 213 UVa problems. Got 43rd at NWERC 2013. Placed high in IMPA, with one turn won. Completed the online course Programming Languages in...
Jonas Hietala
Dijkstra's Algorithm For rust, I’m updating the documentation for the standard library and specifically with the...
over a year ago
3
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...
Willem's Blog
Something the smartwatch will never have: patina Patina is often neglected when comparing smartwatches with regular watches.
over a year ago
./techtipsy
Stupid project ideas: the War Machine LinusTechTips has some pretty great videos about building insane PC and server setups, such...
over a year ago
26
over a year ago
LinusTechTips has some pretty great videos about building insane PC and server setups, such as: unboxing and deploying petabytes of storage 7 gamers, 1 CPU building sleeper PC-s testing sketchy CPU-s opening up a 100TB SSD I have the ideas, but not the budget of LinusTechTips, so...
./techtipsy
About the time my ThinkPad T430 ran with an external GPU The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like a tank. I got mine in...
5 months ago
77
5 months ago
The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like a tank. I got mine in 2016 when the first university scholarship money dropped, and it’s still my backup laptop of choice. Around 2017 I did something every reasonable poor computer science...
Vitalik Buterin's...
Blockchain voting is overrated among uninformed people but underrated among informed people
over a year ago
Simply Explained
EZStore: a tiny serverless datastore for IoT data (DynamoDB + Lambda) I've been working on a few IoT projects recently, and while prototyping, I need a simple but...
over a year ago
3
over a year ago
I've been working on a few IoT projects recently, and while prototyping, I need a simple but flexible data store. I just want to push data to an API and query and visualize it later on.There are many solutions for this, but most are expensive or very limited. So I set out to...
Jonas Hietala
The great Hochstapler Hey there. A lot has happened lately since my last update and my last game here. I’m now a pretty...
over a year ago
3
over a year ago
Hey there. A lot has happened lately since my last update and my last game here. I’m now a pretty happy student at Linköpings university and I’m reading something similar to Computer Science or Computer engineering, but I guess it’ll become whatever you make it to be. For...
Vitalik Buterin's...
Control as Liability
over a year ago
Arduino Blog
This nature-inspired display reacts to ambient sounds We all need ways to calm down and relax, and few things are as effective as nature itself. Taking...
a week ago
13
a week ago
We all need ways to calm down and relax, and few things are as effective as nature itself. Taking inspiration from organic patterns and smooth, flowing waves, dzeng on Instructables has built an LED wall light that responds in real-time to the sounds within a room. The project...
Arduino Blog
Boring rice cooker becomes uruchimai powerhouse Rice cookers are staple appliances in about half of the world and basic models are very affordable....
5 months ago
60
5 months ago
Rice cookers are staple appliances in about half of the world and basic models are very affordable. But those are simple machines that are about as “dumb” as electric kettles. The result is often rice that has been sitting in the warming stage for too long, making the bottom...
Jonas Hietala
Top ten activities that make me happy Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome....
over a year ago
2
over a year ago
Recently we finally moved out of our old apartment and into a new larger apartment and it’s awesome. It’s no more than a year old and feels very fresh compared to the old one. It’s also larger with an extra room, dishwasher (!) and closer to the city centrum and everything is...
Posts on Made of...
autocutsel As most of you probably know, X has several different mechanisms for copy-paste, used by different...
over a year ago
2
over a year ago
As most of you probably know, X has several different mechanisms for copy-paste, used by different applications in different ways. I know some people who use them deliberately, juggling two pieces of text in different clipboards at once, but for me, it’s always just been...
Willem's Blog
Building a professional 72TB NAS This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read...
over a year ago
3
over a year ago
This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read this post to see how this was done!
Construction Physics
Will the China Cycle Come for Airbus and Boeing? Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in...
2 months ago
40
2 months ago
Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in Chinese manufacturing as the “China Cycle”:
Posts on Made of...
Transformers for software engineers Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model...
over a year ago
2
over a year ago
Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model architecture has taken the deep-learning world by storm. Initially introduced for machine translation, it has become the tool of choice for a wide range of domains, including text,...
Willem's Blog
The Same, Differently
a year ago
Arduino Blog
This DIY guitar transmitter sends digital audio to the amp When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer....
4 months ago
34
4 months ago
When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer. But that cable can become tangled or get in the way, which is a problem for some of the more animated musicians out there. Wireless transmitters exist for them to express themselves...
Gwern.net Newsletter
December newsletter December 2020 gwern.net newsletter with links on AI and technology; major new site feature:...
over a year ago
2
over a year ago
December 2020 gwern.net newsletter with links on AI and technology; major new site feature: fully-generalized recursive popups.
Vitalik Buterin's...
Against choosing your political allegiances based on who is "pro-crypto"
5 months ago
Jonas Hietala
Let's build a VORON: Filters I can print, but the printer is missing a very important thing that I alluded to in the previous...
a year ago
2
a year ago
I can print, but the printer is missing a very important thing that I alluded to in the previous post: filtering dangerous particles and fumes. This is mostly covered by the kit, but I was missing some parts from the print it forward and the kit didn’t include a HEPA...
Good Enough
TIL: Fixing Broken Action Text Images in Atom Feeds For a while now we've seen that images in our Pika atom feeds were not displaying in some feed...
7 months ago
3
7 months ago
For a while now we've seen that images in our Pika atom feeds were not displaying in some feed readers. In fact, they weren't displaying in my own feed reader, which routes through Feedly. I was sad. I spent a lot of time troubleshooting this. Compared our feed with a lot of atom...
Style over Substance
How to use a Phase One H20 digital back on a medium format Hasselblad V camera (500EL/M) My newest purchase was a bit of a gamble. I bought a $500 Phase One H20 digital back for my...
over a year ago
67
over a year ago
My newest purchase was a bit of a gamble. I bought a $500 Phase One H20 digital back for my Hasselblad 500EL/M medium format camera. Or, simply put, I bought an expensive old gadget for my even older analog camera, making it a digital camera. A gadget that was released in the...
Vitalik Buterin's...
[Mirror] A Proof of Stake Design Philosophy
over a year ago
Push to Prod
When Things Are Slow, Look for Queues When your system is slower than desired, queues are often heavily involved. Here's an overview of...
4 months ago
3
4 months ago
When your system is slower than desired, queues are often heavily involved. Here's an overview of the most common situations.
Louwrentius
Improving iSCSI Native Multi Pathing Round Robin performance 10 Gb ethernet is still quite expensive. You not only need to buy appropriate NICS, but you must...
over a year ago
2
over a year ago
10 Gb ethernet is still quite expensive. You not only need to buy appropriate NICS, but you must also upgrade your network hardware as well. You may even need to replace existing fiber optic cabling if it's not rated for 10 Gbit. So I decided to still just go for plain old 1...
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...
Odds and Ends of...
Here's how AI can REDUCE health misinformation How the government can build a bullshit detector
2 months ago
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 4. LLVM conditionals and compiling fibonacci Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables ...
over a year ago
3
over a year ago
Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables 3. LLVM 5. LLVM system calls 6. an x86 upgrade In this post we'll extend the compiler's LLVM backend to support compiling conditionals such that we can support...
Notes on software...
The year in books: 20 to recommend in 2020 This year I finished 47 books, up from last year but not a personal best. The breakdown was 17...
over a year ago
2
over a year ago
This year I finished 47 books, up from last year but not a personal best. The breakdown was 17 non-fiction and 30 fiction. Another 20-30 remain started but unfinished this year. Non-fiction The 8 non-fiction books I most recommend are: Fashionapolis: The Price of Fast Fashion and...
Odds and Ends of...
Four big US election takes: Yes, it was the woke stuff. Plus how to know when the Democrats are taking their problems seriously, the one good thing Trump...
a month ago
4
a month ago
Plus how to know when the Democrats are taking their problems seriously, the one good thing Trump might do, and why the polls were right
Notes on software...
First few hurdles writing a Scheme interpreter I started working on BSDScheme last October, inspired to get back into language implementation after...
over a year ago
2
over a year ago
I started working on BSDScheme last October, inspired to get back into language implementation after my coworker built bshift, a compiler for a C-like language. BSDScheme is an interpreter for a (currently small subset of) Scheme written in D. It implements a few substantial...
Posts on Made of...
Indices point between elements If you’re familiar with nearly any mainstream programming language, and I asked you to draw a...
over a year ago
3
over a year ago
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a diagram of an array, the array indices, and the array elements, odds are good you’d produce a diagram something like this: In this post, I want to persuade you to replace that image, or,...
Posts on Made of...
reptyr: Changing a process's controlling terminal reptyr (announced recently on this blog) takes a process that is currently running in one terminal,...
over a year ago
2
over a year ago
reptyr (announced recently on this blog) takes a process that is currently running in one terminal, and transplants it to a new terminal. reptyr comes from a proud family of similar hacks, and works in the same basic way: We use ptrace(2) to attach to a target process and force...
GitButler
GitButler is now Fair Source GitButler is now officially one of the first members of the Fair Source movement, helping to shift...
4 months ago
2
4 months ago
GitButler is now officially one of the first members of the Fair Source movement, helping to shift closed source to publicly available software by default.
Good Enough
TIL: Turbo Stream and personalised content Hotwire and Turbo are great for very quickly and easily adding real-time updating of webpages...
a year ago
3
a year ago
Hotwire and Turbo are great for very quickly and easily adding real-time updating of webpages without requiring the browser to reload the whole page. But if the information you want to stream back from your server to the client has anything specific to the current user — like...
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.
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....
lcamtuf’s thing
RAM: the forgotten history We owe computers not to Charles Babbage, but to the invention of electronically-controlled working...
2 months ago
3
2 months ago
We owe computers not to Charles Babbage, but to the invention of electronically-controlled working memory.
Applied Cartography
Tailwind black magic: swallowing all pointer events I wrote two days ago about a real and useful application of Tailwind black magic; here's...
8 months ago
3
8 months ago
I wrote two days ago about a real and useful application of Tailwind black magic; here's another. Buttondown has a dropzone component lets folks drag-and-drop items or click on it to get a file-picker. It's used for importing images, archives, CSVs, the works: because it's so...
Opsbros
Debug Header After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor...
over a year ago
3
over a year ago
After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor driver connected to a Raspberry Pi, I thought a breakout header might help; so I whipped up this little board.
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....
./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...
Abort Retry Fail
Housekeeping for 20240701 Another correction
5 months ago
Willem's Blog
Fietselfstedentocht 2017 Cycling the 235KM long Fietselfstedentocht through Friesland
over a year ago
Jonas Hietala
HandCash handles require trust and are insecure The HandCash wallet has recently become a popular Bitcoin Cash wallet in large part thanks to their...
over a year ago
2
over a year ago
The HandCash wallet has recently become a popular Bitcoin Cash wallet in large part thanks to their $handle concept. It’s basically a username you use instead of the normal Bitcoin Cash address, similar to how domain names abstract away IP addresses. For example instead of...
Ken Shirriff's blog
Inside the tiny chip that powers Montreal subway tickets To use the Montreal subway (the Métro), you tap a paper ticket against the turnstile and it...
6 months ago
2
6 months ago
To use the Montreal subway (the Métro), you tap a paper ticket against the turnstile and it opens. The ticket works through a system called NFC, but what's happening internally? How does the ticket work without a battery? How does it communicate with the turnstile? And how can it...
computers are bad
2023-08-07 STIRred AND SHAKEN In a couple of days, I pack up my bags to head for DEFCON. In a rare moment of pre-planning, perhaps...
a year ago
76
a year ago
In a couple of days, I pack up my bags to head for DEFCON. In a rare moment of pre-planning, perhaps spurred by boredom, I looked through the schedule to see what's in store in the world of telephony. There is a workshop on SS7, of course [1], plenty of content on cellular, but...
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...
Willem's Blog
Three tips to make a content strategy work Consider these three things to maximise the effect of the words you write for your website, blog or...
over a year ago
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
The value of notifications It's easy to dismiss your phone's notifications as something that disturbs you, but if you take the...
over a year ago
2
over a year ago
It's easy to dismiss your phone's notifications as something that disturbs you, but if you take the time to set them up correctly, notifications can actually save you time!
Jonas Hietala
Ludum Dare 22 Timelapse Here’s the timelapse for my entry to Ludum Dare 22,...
over a year ago
2
over a year ago
Here’s the timelapse for my entry to Ludum Dare 22, Sat-E. https://www.youtube.com/watch?v=eoKDyhxCVm0 This time I managed to record one screen every minute, which is very suboptimal to say the least but I slowed it down a bit so you can at least see something being done there.
Applied Cartography
Notes on buttondown.com We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever...
3 months ago
3
3 months ago
We spent $85,000 for buttondown.com in April; this was the biggest capital expenditure I've ever made, and though it was coming from cash flow generated by Buttondown rather than my own checking account it was by rough estimation the largest non-house purchase I've ever made. As...
Vitalik Buterin's...
Base Layers And Functionality Escape Velocity
over a year ago
Vitalik Buterin's...
預測市場:一個選舉小故事(2021年 二月)
over a year ago
Applied Cartography
Typesafe routes in Vue I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would...
6 months ago
2
6 months ago
I watched Gary Bernhardt's talk on static routing back a few years ago and — I'm not sure if I would call it formative, but it stuck in my craw as a platonic ideal of sorts, as something I couldn't really justify adopting within Buttondown but really wanted. I built out and...
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...
Willem's Blog
Fixed Gear Gran Fondo Taking a fixed gear road bike for a gran fondo! Let some of my fun be of inspiration to you!
over a year ago
Neil Madden
SipHash-based encryption for constrained devices I see a lot of attempts to define encryption schemes for constrained devices with short...
7 months ago
2
7 months ago
I see a lot of attempts to define encryption schemes for constrained devices with short authentication tags (e.g., 64 bits) using universal hashing. For example, there’s a proposal in CFRG at the moment for a version of AES-GCM with short tags for this kind of use-case. In my...
Jonas Hietala
2015 Read Books I didn’t read a lot of books in 2015, but the books I did read were pretty damn good. Fiction A Song...
over a year ago
2
over a year ago
I didn’t read a lot of books in 2015, but the books I did read were pretty damn good. Fiction A Song of Ice and Fire: A Dance with Dragons - George R.R. Martin Reread. A Knight of the Seven Kingdoms - Gearge R.R. Martin The Skin Collector - Jeffery Deaver Best Served Cold - Joe...
Electronics etc…
Tektronix TDS 684B Oscilloscope Button Swap Introduction Removing the panels Swapping a Rotary Encoder Putting it all back together End...
8 months ago
113
8 months ago
Introduction Removing the panels Swapping a Rotary Encoder Putting it all back together End Result Introduction I recently bought a TDS 684B for cheap at a government auction. With 1 GHz BW and 5 Gsps sample rate, it can be used for those cases where my 350 MHz/2Gsps Siglent...
Jonas Hietala
(Fake) Bittman Chinese Chicken Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on...
over a year ago
2
over a year ago
Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken. I broke the recipe on multiple fronts: chicken wings instead of chicken breasts, mushroom soy instead of tamarin, roman salad instead of baby bok choi (where the heck do you find that…) and I even...
Home on Erik...
Books I read in 2015 Early last year when I left Spotify I decided to do more reading. I was planning to read at least...
over a year ago
2
over a year ago
Early last year when I left Spotify I decided to do more reading. I was planning to read at least one book per week and in particular I wanted to brush up on management, economics, and technology.
Lighthouse Blog
How to manually add content to read it later
6 months ago
Posts on Made of...
How I Write Tests The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe...
over a year ago
2
over a year ago
The longer I spend as a software engineer, the more obsessive I get about testing. I fully subscribe to the definition of legacy code as “code without an automated test suite.” I’m convinced that the best thing you can do to encourage fast progress in a test suite is to design...
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...
Posts on Made of...
reptyr: Attach a running process to a new terminal Over the last week, I’ve written a nifty tool that I call reptyr. reptyr is a utility for taking an...
over a year ago
3
over a year ago
Over the last week, I’ve written a nifty tool that I call reptyr. reptyr is a utility for taking an existing running program and attaching it to a new terminal. Started a long-running process over ssh, but have to leave and don’t want to interrupt it? Just start a screen, use...
Applied Cartography
Shipping is capturing value This great essay from Sean Goedecke went viral two weeks ago, drawing fury and fervor alike for a...
4 weeks ago
5
4 weeks ago
This great essay from Sean Goedecke went viral two weeks ago, drawing fury and fervor alike for a Moral Mazes-esque analysis of how engineers at large companies should think about shipping: Shipping is a social construct within a company. Concretely, that means that a project is...
Bryan Braun - Blog
Links #11 Here are some more links to things that I keep thinking about. I shared a bit more detail on these...
2 weeks ago
5
2 weeks ago
Here are some more links to things that I keep thinking about. I shared a bit more detail on these ones than I usually do—there were so many good quotes to include. Enjoy! Selfishness & Therapy Culture Earlier this year, there was a post in the New York Times called “Sometimes,...
Willem's Blog
Riding with Omata One If you're looking for an alternative for common cycling computers, the Omata One is something truely...
over a year ago
2
over a year ago
If you're looking for an alternative for common cycling computers, the Omata One is something truely special: it indicates your speed, distance, ascent and time ridden using mechanical hands!
Electronics etc…
Hideo Okawara’s Mixed Signal Lecture Series Introduction Hideo Okawara’s Mixed Signal Lecture Series Frequency/Phase Movement Analysis by...
11 months ago
78
11 months ago
Introduction Hideo Okawara’s Mixed Signal Lecture Series Frequency/Phase Movement Analysis by Orthogonal Demodulation Misc Introduction While researching a DSP related topic, Google dug up an excellent article, written by Hideo Okawara, that is just one part of a series of ~53. I...
./techtipsy
AMD Ryzen 7 5700G: first impressions on Fedora 34 Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months...
over a year ago
44
over a year ago
Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months and the setup has mostly been fine. Sure, the power usage was pretty big under load, and yes, my internet did cut out every time I turned the VM on with all the services starting,...
Jonas Hietala
8-puzzle in rust I think rust is one of the most interesting upcoming programming languages out there. So I wrote a...
over a year ago
2
over a year ago
I think rust is one of the most interesting upcoming programming languages out there. So I wrote a solution to the 8-puzzle (see the 15-puzzle) using A*. It also has a breadth first search for solutions on a specific distance away from the goal. The solution is not by any means a...
Matt Blewitt
Unreasonably Effective Patterns Much of my current job is maintaining and enhancing control planes for Heroku’s managed data...
over a year ago
3
over a year ago
Much of my current job is maintaining and enhancing control planes for Heroku’s managed data services. This post explores three patterns used to reduce operational burden and increase system safety and resiliency: state machines (and associated state-transition tables),...
Applied Cartography
Hidden settings are for cowards At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be...
2 weeks ago
6
2 weeks ago
At Stripe, we had two abstractions for branching logic in production: flags, which were meant to be explicitly temporal (temporarily split-testing traffic; rolling out a new feature or code path; exposing a specific path for a cohort of users during a closed beta) and gates,...
Lighthouse Blog
Updates August 19
4 months ago
seangoedecke.com RSS...
Keep incidents boring The internet is full of exciting incident war stories. Tough engineering problems, solved under...
over a year ago
2
over a year ago
The internet is full of exciting incident war stories. Tough engineering problems, solved under pressure by sleep-deprived developers. In an…
Home on Erik...
The number of letters in the word for each number Just for fun, I generated these graphs of the number of letters in the word for each number. I...
over a year ago
3
over a year ago
Just for fun, I generated these graphs of the number of letters in the word for each number. I really spent about 10 minutes on this (ok…possibly also another 40 minutes tweaking the plots): More languages!
Home on Erik...
Nearest neighbor methods and vector models – part 1 This is a blog post rewritten from a presentation at NYC Machine Learning last week. It covers a...
over a year ago
3
over a year ago
This is a blog post rewritten from a presentation at NYC Machine Learning last week. It covers a library called Annoy that I have built that helps you do (approximate) nearest neighbor queries in high dimensional spaces.
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,...
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...
Louwrentius
HP Proliant Microserver Gen10 as router or NAS Introduction In the summer of 2017, HP released the Proliant Microserver Gen10. This machine...
over a year ago
2
over a year ago
Introduction In the summer of 2017, HP released the Proliant Microserver Gen10. This machine replaces the older Gen8 model. For hobbyists, the Microserver always has been an interesting device for a custom home NAS build or as a router. Let's find out if this is still the case....
Arduino Blog
Arduino’s Alvik Robot shortlisted for the Bett Awards 2025 in the AV, VR/AR, Robotics, and Digital... We’re thrilled to announce that Arduino Education has been shortlisted for the Bett Awards 2025,...
a month ago
23
a month ago
We’re thrilled to announce that Arduino Education has been shortlisted for the Bett Awards 2025, this time in the AV, VR/AR, Robotics, or Digital Device category with our Alvik robot! This recognition highlights our dedication to innovation, inclusivity, and the advancement of...
Willem's Blog
Offline Music People sometimes act suprised when I tell them about my music hobby, manually converting CD's to...
over a year ago
3
over a year ago
People sometimes act suprised when I tell them about my music hobby, manually converting CD's to lossless audio files; there is some reason to this madness however!
Simply Explained
Building a killer NAS with an old Rackable Server Like many others, I'm generating a lot of digital data. Constantly taking photos, writing scripts,...
over a year ago
2
over a year ago
Like many others, I'm generating a lot of digital data. Constantly taking photos, writing scripts, taking notes, coding projects, and making videos. I'm storing all these files on Google Drive, which has been very reliable but also a bit risky. What if Google closes my account?...
Home on Erik...
Optimizing for iteration speed I've written before about the importance of iterating quickly but I didn't necessarily talk about...
over a year ago
2
over a year ago
I've written before about the importance of iterating quickly but I didn't necessarily talk about some concrete things you can do. When I've built up the tech team at Better, I've intentionally optimized for fast iteration speed above almost everything else.
Willem's Blog
Talking tablets: what makes a great tablet? Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be...
over a year ago
3
over a year ago
Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be your main computer?
Good Enough
TIL: Turbo Frames DoEvery.Day calendar navigation was broken. We built it using Turbo Rails as it was being developed....
a year ago
3
a year ago
DoEvery.Day calendar navigation was broken. We built it using Turbo Rails as it was being developed. As we have updated libraries, including Rails, the API has changed. In order to get the calendar navigation working again, I had to pull out some old hacks that made use of...
Engineers Need Art
Building Quarter-Cab - Phase I Lets build a simple virtual pinball controller to bring more immersion to your game.
7 months ago
Applied Cartography
You gotta be able to taste the kool-aid Cognition, a six-month-old startup in the AI coding space just raised $175m at a $2b...
8 months ago
3
8 months ago
Cognition, a six-month-old startup in the AI coding space just raised $175m at a $2b valuation: Despite the skepticism surrounding Devin’s launch, the AI coding assistant has shown promising results. According to the SWE-Bench benchmark, which evaluates AI models on software...
Simply Explained
Secure Home Assistant Access with Cloudflare and Ubiquiti Dream Machine I've become increasingly reliant on Home Assistant to automate various tasks around the house. But...
over a year ago
3
over a year ago
I've become increasingly reliant on Home Assistant to automate various tasks around the house. But how do you safely expose your instance to the internet for remote access?You want to be able to log in from a remote location, but how to keep others out? This post will show how...
Jonas Hietala
Incomplete game coming up Man I’m far too much of a perfectionist, with this mentality I’ll never get anything done -...
over a year ago
2
over a year ago
Man I’m far too much of a perfectionist, with this mentality I’ll never get anything done - seriously. I spent far too many hours, even days, figuring out in my mind how the game should be and I started off going for nothing less than just that. But it turned out to be a lot...
computers are bad
2023-09-03 plastic money You will sometimes hear someone say, in a loose conceptual sense, that credit cards have money in...
a year ago
99
a year ago
You will sometimes hear someone say, in a loose conceptual sense, that credit cards have money in them. Of course we know that that isn't the case; our modern plastic card payment network relies on online transactions where the balance tracking and authorization decisions happen...
On Life and Lisp
The Apple GPU and the Impossible Bug In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from...
over a year ago
6
over a year ago
In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from Imagination’s PowerVR series. Since then, we’ve been reverse-engineering AGX and building open source graphics drivers. Last January, I rendered a triangle with my own code, but...
Buck on Software
Thoughts on SaaS and other things Welcome to Buck on Software!
over a year ago
Vitalik Buterin's...
Moving beyond coin voting governance
over a year ago
Christian Selig
Trials and tribulations of 360° video in Juno In building Juno, a visionOS app for YouTube, a question that’s come up from users a few times is...
10 months ago
77
10 months ago
In building Juno, a visionOS app for YouTube, a question that’s come up from users a few times is whether it supports 360° and 180° videos (for the unfamiliar, it’s an immersive video format that fully surrounds you). The short answer is no, it’s sort of a niche feature without...
./techtipsy
The IPv6 situation on Docker is good now! Good news, everyone! Doing IPv6 networking stuff on Docker is actually good now! I’ve recently...
2 days ago
14
2 days ago
Good news, everyone! Doing IPv6 networking stuff on Docker is actually good now! I’ve recently started reworking my home server setup to be more IPv6 compatible, and as part of that I learned that during the summer of 2024 Docker shipped an update that eliminated a lot of the...
Notes on software...
AOT-compilation of Javascript with V8 tldr; I'm working on a AOT-compiled Javascript implementation called jsc. Many dynamically typed...
over a year ago
3
over a year ago
tldr; I'm working on a AOT-compiled Javascript implementation called jsc. Many dynamically typed programming languages have implementations that compile to native binaries: Python: Cython Common Lisp: SBCL Scheme: Chicken Scheme The benefits of compiling dynamically typed...
Louwrentius
The minimum requirements for a secure system The most secure server system is a system that is not connected to a network and turned off....
over a year ago
2
over a year ago
The most secure server system is a system that is not connected to a network and turned off. However, little work seems to be getting done this way. So we want to turn systems on and connect them to a network, or even (God forbid) the internet. The thing is this. A system...
Arduino Blog
Controlling a drum machine with the Arduino Opta Makers have long asked the question “why bother with an expensive PLC when I can just use an...
6 months ago
66
6 months ago
Makers have long asked the question “why bother with an expensive PLC when I can just use an Arduino?” The answer comes down to the priorities and needs of industrial clients. In a factory automation setting, the client will prioritize durability, reliability, and serviceability...
Simply Explained
Tracking gas usage with ESPHome, Home Assistant, and TCRT5000 In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home...
over a year ago
3
over a year ago
In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home Assistant added an Energy Management feature that keeps track of electricity and gas usage. So naturally, I had to make my gas meter smart as well.
Bryan Braun - Blog
Capability makes your life simpler If you can tolerate discomfort, then you can camp much lighter. Camping lighter means you spend less...
4 months ago
3
4 months ago
If you can tolerate discomfort, then you can camp much lighter. Camping lighter means you spend less time and energy packing, setting-up, tearing down, and unpacking. The same goes for travel. Fewer clothes and shoes means less luggage to carry, manage, and lose. You can board...
Lars Lofgren
The 9 Delusions From the Halo Effect You’re being lied to. Well, not intentionally. We’re constantly being pinged with stories of...
over a year ago
2
over a year ago
You’re being lied to. Well, not intentionally. We’re constantly being pinged with stories of companies that have rocketed to success. Especially in tech, there’s always another $1 billion unicorn around the corner. Uber, Facebook, Airbnb, Slack, Zenefits, Box, Shopify, yadda...
Abort Retry Fail
The History of OS/2 Getting a Divorce
a year ago
Louwrentius
Parallel / distributed password cracking with John the Ripper and MPI This article has been updated to reflect the changes for John version 1.7.8 as released in june...
over a year ago
2
over a year ago
This article has been updated to reflect the changes for John version 1.7.8 as released in june 2011. The most important change is the fact that MPI support is now integrated in the jumbo patch. The original John the Ripper off-line password cracker only uses a single processor...
Matt Mullenweg
Bezos at Dealbook It looks like the Dealbook Summit had a number of great interviews this year, major props to Andrew...
2 weeks ago
6
2 weeks ago
It looks like the Dealbook Summit had a number of great interviews this year, major props to Andrew Ross Sorkin, but this one with Jeff Bezos was particularly good.
Arduino Blog
Enhance your IoT dashboards with Arduino Cloud’s new Image widget At Arduino, we’re constantly working to improve your IoT management experience. Today, we’re excited...
3 months ago
25
3 months ago
At Arduino, we’re constantly working to improve your IoT management experience. Today, we’re excited to announce a new feature for Arduino Cloud that will allow you to enhance your IoT dashboards: the Image widget. The new Image widget The Image widget is a simple yet powerful...
Good Enough
Season 3, Issue 1: Whale, Hello There! Dear friends, we have not been good at writing this newsletter regularly. But writing is hard work,...
a year ago
2
a year ago
Dear friends, we have not been good at writing this newsletter regularly. But writing is hard work, and there’s only so much time we have, and there was the winter break and Shawn kept getting sick—we have many excuses, how much time do you have? Gosh, since July of last year?...
Engineers Need Art
Stereographer Experimenting in stereo photography and I write an app to create old-fashioned stereoscopic cards.
4 months ago
61
4 months ago
Experimenting in stereo photography and I write an app to create old-fashioned stereoscopic cards.
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
2016 in Review See the previous reviews. 2016 Geek Achievements Placed 2nd in Linköping’s Regional in...
over a year ago
2
over a year ago
See the previous reviews. 2016 Geek Achievements Placed 2nd in Linköping’s Regional in Netrunner. Won a couple of smaller Netrunner tournaments. Got Veronica to play Game of Thrones with us. She beat us and she loved it! Programmed a little bit of Elixir and a tiny bit of front...
Push to Prod
Best Questions and Answers to the “Terrifying Netflix Concurrency Bug” Post Why couldn't we roll back? Weren't we concerned about costs? Why is operating Netflix so...
3 weeks ago
Jonas Hietala
Easy setup of a static site on Amazon S3 with SSL I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just...
over a year ago
3
over a year ago
I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just never got around to it, probably the usual procrastination. When I had to setup a new site for another project I chose to host on Amazon as well. Although there are many other free...
watchTowr Labs -...
We Spent $20 To Achieve RCE And Accidentally Became The Admins Of .MOBI Welcome back to another watchTowr Labs blog. Brace yourselves, this is one of our most astounding...
3 months ago
3
3 months ago
Welcome back to another watchTowr Labs blog. Brace yourselves, this is one of our most astounding discoveries. Summary What started out as a bit of fun between colleagues while avoiding the Vegas heat and $20 bottles of water in our Black Hat hotel rooms - has now seemingly...
Notes on software...
Lessons learned streaming building a Scheme-like interpreter in Go I wanted to practice making coding videos so I did a four-part series on writing a basic Scheme-like...
a year ago
3
a year ago
I wanted to practice making coding videos so I did a four-part series on writing a basic Scheme-like language (minus macros and arrays and tons of stuff). I picked this simple topic because I wanted a low-stakes way to learn what I did not know about making videos. Here was the...
./techtipsy
I encourage you to write a blog It’s been over 4 years since my first post on this blog. During those 4 years I’ve written over 90...
3 months ago
37
3 months ago
It’s been over 4 years since my first post on this blog. During those 4 years I’ve written over 90 posts, received over 1 million clicks, a dozen legitimate reader e-mails and thousands of spam e-mails. And I love it! I’ve found that writing can be very fulfilling and I encourage...
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...
Opsbros
Nokia 5110 - Back from the dead. Part 1: Nostalgia I loved my Nokia 5110 and I wonder if it was possible to breathe new life into this long-shelved and...
over a year ago
3
over a year ago
I loved my Nokia 5110 and I wonder if it was possible to breathe new life into this long-shelved and still-memed mobile phone. As it turns out, not only is it possible, but it's going to be a lot easier than I anticipated.
Yazin Alirhayim
Tracking where a WhatsApp user came from At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their...
over a year ago
3
over a year ago
At Amal, we have an AI chat bot that works over WhatsApp — allowing our customers to speak to their bank account, asking questions like “What’s my balance” and “How much have I spent on Uber’s this month?”. A problem we faced really early on when connecting to WhatsApp was that...
Home on Erik...
State drift I generally haven't written much about software architecture. People make heuristics into religion....
over a year ago
2
over a year ago
I generally haven't written much about software architecture. People make heuristics into religion. But here is something I thought about: how to build in self-correction into systems. This has been something just vaguely sitting in my head lacking a clear conceptual definition...
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...
anderegg.ca
Jet Lag: The Game: The Game Some fun news today from the creators of Jet Lag: The Game. They officially announced the next...
a month ago
5
a month ago
Some fun news today from the creators of Jet Lag: The Game. They officially announced the next season, and also a “home version” of the game. I’ve written about Jet Lag: The Game before, so you might want to start there if you don’t know what I’m talking about. On the latest...
Computer Ads from...
The Grand Stand Joystick Stabilizer Support & Score Enhancer
a month ago
Posts on Made of...
A Very Subtle Bug 6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for...
over a year ago
2
over a year ago
6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for complex reasons”. As a class about designing and building complex systems, it’s a reminder that failure modes are subtle and often involve strange interactions between multiple parts...
latest projects -...
LED Industrial Piercing [Hardware] Illuminated circuit inside a hypodermic
a year ago
computers are bad
2024-09-14 the national warning system Previously on Deep Space Nine, we discussed the extensive and variable products that AT&T and...
3 months ago
39
3 months ago
Previously on Deep Space Nine, we discussed the extensive and variable products that AT&T and telephone operating companies sold as private lines. One of the interesting properties of private line systems is that they can be ordered as four-wire. Internally, the telephone network...
Vitalik Buterin's...
A Philosophy of Blockchain Validation
over a year ago
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...
Jonas Hietala
An Epic Start Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and...
over a year ago
3
over a year ago
Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and went to the bathroom. After I was done, still pretty tired, I made a big mistake. I checked the current theme for Ludum Dare 29: Beneath the Surface and guess what? Now I wasn’t tired...
Willem's Blog
Supernova E3 Pro 2 dynamo powered headlight
over a year ago
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
3
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...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 5: The Purge
a month 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...
Arduino Blog
Making fire detection more accurate with ML sensor fusion The mere presence of a flame in a controlled environment, such as a candle, is perfectly acceptable,...
4 months ago
30
4 months ago
The mere presence of a flame in a controlled environment, such as a candle, is perfectly acceptable, but when tasked with determining if there is cause for alarm solely using vision data, embedded AI models can struggle with false positives. Solomon Githu’s project aims to lower...
Willem's Blog
Tudor Black Bay 36 long-term review For the past six months I have been wearing the same watch, every day and night. Read along to learn...
over a year ago
2
over a year ago
For the past six months I have been wearing the same watch, every day and night. Read along to learn what makes the Tudor Black Bay 36 the perfect every day watch.
Vitalik Buterin's...
Quadratic Payments: A Primer
over a year ago
Arduino Blog
Team Ikaro scores success with the Arduino Nano RP2040 Connect! Team Ikaro is a vibrant group of high school students from the Pacinotti Archimede Institute in...
3 months ago
35
3 months ago
Team Ikaro is a vibrant group of high school students from the Pacinotti Archimede Institute in Rome, sharing a strong passion for electronics and turning heads in the world of robotics! Specializing in Soccer Lightweight games (where robot-soccer players compete to score goals...
Christian Selig
Smart Open Xcode If you’re like me, you often have multiple versions of Xcode installed. One or two beta versions, a...
a year ago
61
a year ago
If you’re like me, you often have multiple versions of Xcode installed. One or two beta versions, a stable version, and maybe another version in case the most recent stable version has something weird about it. I also really like mapping my Caps Lock key to something more useful,...
Matt Mullenweg
Welcoming Harper As announced by Automattic and covered by TechCrunch, I want to take a moment to welcome Elijah...
a month ago
5
a month ago
As announced by Automattic and covered by TechCrunch, I want to take a moment to welcome Elijah Potter and Harper to join Automattic. Harper is a super-fast (way faster than LanguageTool and Grammarly), local English grammar checker. The technology is nascent, but I’m very...
Arduino Blog
Patrol the pool with this Arduino Nano-powered DIY RC submarine There is something inherently intriguing about submarines that doesn’t seem to apply to other...
4 months ago
49
4 months ago
There is something inherently intriguing about submarines that doesn’t seem to apply to other vehicles. Maybe that reflects our natural fears and phobias, or maybe it is a result of our curiosity about the mysterious depths. Maybe it is simply that most of us will never get the...
Home on Erik...
About
over a year ago
Louwrentius
'Tip of the day for every Linux or Unix user: brace expantion' Searching the web I discovered some really nice feature of the unix shell, which I didn't know...
over a year ago
3
over a year ago
Searching the web I discovered some really nice feature of the unix shell, which I didn't know about. Try this: touch foobar.conf Now try this: cp foobar.conf{,.bak} It is equivalent to: cp foobar.conf foobar.conf.bak This is also the easiest way to create sequences. Do not use...
Louwrentius
Understanding Storage Performance - IOPS and Latency Introduction The goal of this blogpost is to help you better understand storage performance. I want...
over a year ago
3
over a year ago
Introduction The goal of this blogpost is to help you better understand storage performance. I want to discuss some fundamentals that are true regardless of your particular needs. This will help you better reason about storage and may provide a scaffolding for further learning....
anderegg.ca
Using WordPress is risky It’s been a couple of weeks since I last wrote about WordPress. Stuff’s been happening in the...
a month ago
4
a month ago
It’s been a couple of weeks since I last wrote about WordPress. Stuff’s been happening in the background, but I’ve been trying to ignore it. This morning I read a story that bothered me enough to require another round of therapy-by-blog-post. First up, a couple of things that...
Jonas Hietala
What's up It’s been a while again since the last time we met mr. Blog. I’ve been busy with school and other...
over a year ago
3
over a year ago
It’s been a while again since the last time we met mr. Blog. I’ve been busy with school and other stuff. I’ve thought about you but I just never really picked up emacs to write to you. I know it’s my fault but I beg of your mercy mr. Blog. You know that I had laid off school for...
Christian Selig
More Efficient/Faster Average Color of Image Skip to the ‘Juicy Code 🧃’ section if you just want the code and don’t care about the preamble of...
over a year ago
28
over a year ago
Skip to the ‘Juicy Code 🧃’ section if you just want the code and don’t care about the preamble of why you might want this! Finding the average color of an image is a nice trick to have in your toolbelt for spicing up views. For instance on iOS, it’s used by Apple to make their...
Good Enough
The Space Between Us Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical...
a year ago
3
a year ago
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical office. I've been working remotely for more than ten years, and overall I really like it. I love the flexibility it affords, being more present with our families, and that my...
Jonas Hietala
Pushing toward Git The time has come; it’s time for me to move my source out in the open for the first time. Repository...
over a year ago
2
over a year ago
The time has come; it’s time for me to move my source out in the open for the first time. Repository deleted, never became anything Available on Github It’s nothing special really, if you want take a look at the code and help me improve it.
Louwrentius
Google DNS - what to think of it? Google now provide an open DNS service. At first I was scared that they use their service to get...
over a year ago
3
over a year ago
Google now provide an open DNS service. At first I was scared that they use their service to get information about users. However, their privacy statement tells us that no personal identifiable information is stored for longer than 48 hours. The permanent logs do not contain such...
Arduino Blog
An ultra-affordable DIY underwater ROV ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by...
7 months ago
70
7 months ago
ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by the possibilities. But traditional ROVs cost a lot of money and often require serious expertise to operate and maintain. Luckily there are affordable alternatives, such as this...
csvbase blog
Being on The Semantic Web is easy, and, frankly, well worth the bother Web 3.0 was not about the blockchain, thank god
4 months ago
./techtipsy
How I ended up working as a software developer I’ve officially worked as a software developer since August 2016, and by now I have a fair share of...
4 months ago
55
4 months ago
I’ve officially worked as a software developer since August 2016, and by now I have a fair share of stories to tell from those years. But those are stories for another time. Today I’d like to focus on where it all got started. The early days I never considered myself good with...
Jonas Hietala
5 Years at Linköping's University I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s...
over a year ago
3
over a year ago
I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s University. At first it felt like 5 years would be an eternity, but in hindsight it was over in a flash. my gut feeling is that I haven’t learnt or done anything of note, except you know...
watchTowr Labs -...
Where There’s Smoke, There’s Fire - Mitel MiCollab CVE-2024-35286, CVE-2024-41713 And An 0day It is not just APTs that like to target telephone systems, but ourselves at watchTowr too. We can't...
2 weeks ago
6
2 weeks ago
It is not just APTs that like to target telephone systems, but ourselves at watchTowr too. We can't overstate the consequences of an attacker crossing the boundary from the 'computer system' to the 'telephone system'. We've seen attackers realise this in 2024,
GitButler
The Future of Open Source A GitHub founder's musings on the past, present and future of large groups of people collaborating...
4 months ago
2
4 months ago
A GitHub founder's musings on the past, present and future of large groups of people collaborating on software in awesome ways.
Applied Cartography
Notes on Zed, revisited A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a...
2 months ago
5
2 months ago
A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a lot of great choices and felt really good to use, but lacked parity with VS Code's feature/ecosystem to its detriment. Six months later, I spent a few days using it as my daily...
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...
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,...
Vitalik Buterin's...
The end of my childhood
10 months ago
Home on Erik...
Building a data team at a mid-stage startup: a short story I guess I should really call this a parable. The backdrop is: you have been brought in to grow a...
over a year ago
2
over a year ago
I guess I should really call this a parable. The backdrop is: you have been brought in to grow a tiny data team (~4 people) at a mid-stage startup (~$10M annual revenue), although this story could take place at many different types of companies.
Simply Explained
I Built a CO2 Sensor and It Terrifies Me Governments are pushing CO2 sensors to fight the COVID-19 pandemic, but proper ventilation is...
over a year ago
3
over a year ago
Governments are pushing CO2 sensors to fight the COVID-19 pandemic, but proper ventilation is equally important for our health and even our cognitive performance.In this blog post we'll look at a DIY CO2 sensor: how it runs ESPHome, how it integrates with Home Assistant, how it...
Ian's Blog
Pragmatically Generating a Self-Signed Certificate and Private Key using OpenSSL Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS...
over a year ago
3
over a year ago
Recently I found myself needing to generate a HTTPS Server Certificate and Private Key for an iOS app using OpenSSL, what surprised me was the total lack of documentation for OpenSSL. While there is plenty of function documentation, what OpenSSL really lacks is examples of how it...
Louwrentius
Automated install of Debian Linux based on PXE net booting Every honest and good system administrator is continue bussy with automating his work. For two...
over a year ago
3
over a year ago
Every honest and good system administrator is continue bussy with automating his work. For two reasons: Repeating the same task over and over again is friggin boring. A system administrator has better things to do, such as drinking coffee. Humans make mistakes, especially if...
Notes on software...
React without webpack: fast path to a working app from scratch This is an external post of mine. Click here if you are not redirected.
over a year ago
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...
Jonas Hietala
Fixing Problems Today I have fixed two large annoyances I’ve had! I fixed the blue people on youtube bug I found a...
over a year ago
3
over a year ago
Today I have fixed two large annoyances I’ve had! I fixed the blue people on youtube bug I found a nice thread with a great answer. I solved it by forcefully patching libflashplayer.so perl -pi.bak -e 's/libvdpau/lixvdpau/g' libflashplayer.so Worked perfectly! I fixed the...
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....
Willem's Blog
Working with special hardware from China This month I reversed engineered my way into developing software for a Chinese Android device with...
over a year ago
2
over a year ago
This month I reversed engineered my way into developing software for a Chinese Android device with an embedded printer!
Applied Cartography
Notebook as marketing primitive Earlier this week, I stumbled upon this brilliant marketing-slash-documentation idea from...
2 months ago
3
2 months ago
Earlier this week, I stumbled upon this brilliant marketing-slash-documentation idea from SingleStore — notebooks as a first-party page! There are a handful of nice things about this idea: Very easy to fan out. You're not going to really run out of sample notebooks from which you...
Louwrentius
ZFS on Linux: monitor cache hit ratio I'm performing some FIO random read 4k I/O benchmarks on a ZFS file system. So since I didn't trust...
over a year ago
2
over a year ago
I'm performing some FIO random read 4k I/O benchmarks on a ZFS file system. So since I didn't trust the numbers I got, I wanted to know how many of the IOPs I got were due to cache hits rather than disk hits. This is why I wrote a small shell script called archhitratio. Sample...
Arduino Blog
Can this tiny lawn mower robot cut it in the real world? We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down...
6 months ago
42
6 months ago
We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down and consumer trust goes up. They work a bit like Roomba vacuums and pathfinding sophistication varies from one model to the next. But even the most basic models are still a lot...
Applied Cartography
Meta's two assets (Epistemic disclaimer: there are few Extremely Big Tech Companies to whom I feel apathy more vividly...
a month ago
4
a month ago
(Epistemic disclaimer: there are few Extremely Big Tech Companies to whom I feel apathy more vividly than Meta. I had a Facebook account in high school and college and got rid of it at some point post-graduation, though I'd be hard-pressed to tell you when exactly that was.) It...
Birchtree
Everything is a reaction, nothing is forever, and everything comes back (members post) Why nothing stays popular forever.
2 weeks ago
Willem's Blog
Repairing a Nintendo Gameboy Advance SP Reparing an old Nintendo Gameboy Advance to play classic Zelda again.
over a year ago
Vitalik Buterin's...
Binius: highly efficient proofs over binary fields
7 months ago
Louwrentius
Lion's FileVault does not support Bootcamp and external boot disks Read the comments as they may provide useful information for your particular situation I boot my...
over a year ago
3
over a year ago
Read the comments as they may provide useful information for your particular situation I boot my iMac from an external FW800 SSD. I found out that it is impossible to encrypt this disk using the new FileVault as part of Lion. Furthermore, I also found out that if you have a disk...
Matt Blewitt
Corporate Legibility for Software Engineers Corporate legibility is the art of making tasks, and their outcomes, easier to understand for those...
over a year ago
3
over a year ago
Corporate legibility is the art of making tasks, and their outcomes, easier to understand for those not directly involved. I’ll help you understand why this is an important thing to be aware of and how to use it to help your career.
Simply Explained
Tuya IR Hub: control Daikin AC (Home Assistant + ESPHome) The release of ESPHome v1.15 brought better support for infrared climate control. This was enough to...
over a year ago
3
over a year ago
The release of ESPHome v1.15 brought better support for infrared climate control. This was enough to finally make my YTF IR Hub useable. Here's how I flashed ESPHome onto it and how I configured it for my Daikin AC and Home Assistant.
Simply Explained
Securely access home network with Cloudflare Tunnel and WARP When Cloudflare announced that their Tunnel service would become free, I saw an opportunity to...
over a year ago
3
over a year ago
When Cloudflare announced that their Tunnel service would become free, I saw an opportunity to strengthen the security of my Home Assistant instance. Until now, I have been using Cloudflare's CDN to connect to my HA instance, but that required opening ports on my router and...
Willem's Blog
Optimising images for the web and performance Make your website faster by optimising the images. This posts explains how you can do this.
over a year ago
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 3: The Scourge
2 months ago
Willem's Blog
Using the reMarkable paper tablet The paper-like display makes you forget about reMarkable's digital innards, working with this tablet...
over a year ago
3
over a year ago
The paper-like display makes you forget about reMarkable's digital innards, working with this tablet is therefore quite remarkable!
Lars Lofgren
The Stupidity of Google’s Site Reputation Abuse Policy Site reputation abuse is when a third-party abuses the reputation of a domain to rank a bunch of...
a month ago
4
a month ago
Site reputation abuse is when a third-party abuses the reputation of a domain to rank a bunch of pages in Google. The SEO community refers to this type of thing as parasite SEO. Google has gone so far as to publish an official policy (documented here) on how this isn’t allowed:...
Louwrentius
Compiling Handbrake CLI on Debian Lenny In this post I will show you how to compile Handbrake for Debian Lenny. Please note that although...
over a year ago
2
over a year ago
In this post I will show you how to compile Handbrake for Debian Lenny. Please note that although the Handbrake GUI version does compile on Lenny, it crashes with a segmentation fault like this: Gtk: gtk_widget_size_allocate(): attempt to allocate widget with width -5 and height...
./techtipsy
Accidentally turning the ASRock DeskMini X300 into a semi-passively cooled PC After playing around with fan curves on my ASRock DeskMini X300 based home server, I noticed one...
over a year ago
32
over a year ago
After playing around with fan curves on my ASRock DeskMini X300 based home server, I noticed one interesting thing. At least it was interesting to me. Background I had one goal: to try to see if I could turn it into a semi-passive PC by only turning the fan on when the PC was...
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...
Willem's Blog
Art of visualisation You learn from experts if you have the privilege to work with them, this month I had a chance to...
over a year ago
3
over a year ago
You learn from experts if you have the privilege to work with them, this month I had a chance to help a professional food photographer.
Engineers Need Art
Op-Amp Helper PCB A PCB for breadboards to make working with op-amps easier.
a year ago
Louwrentius
An ode to the 10,000 RPM Western Digital (Veloci)Raptor Introduction Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at...
over a year ago
3
over a year ago
Introduction Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at the Kinkerstraat in Amsterdam. I was there to buy a Western Digital Raptor model WD740, with 74 GB of capacity, running at 10,000 RPM. When I bought this drive, we were still in...
GitButler
GitButler 0.13 - "Lucky Baseball" It has been 4 months since our last minor release. In that time, we have done 27 patch releases,...
2 months ago
3
2 months ago
It has been 4 months since our last minor release. In that time, we have done 27 patch releases, adding lots of small features, bug fixes, performance improvements and experiments. Last week we released GitButler 0.13, which is our first release with our new Fearless Rebasing...
Louwrentius
Bash Shell Function Library (BSFL) released. The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash...
over a year ago
2
over a year ago
The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash scripts. It provides a couple of functions that makes the lives of most people using shell scripts a bit easier. The purpose of this library is to provide pre-build functions for...
Jonas Hietala
Fun or Frustration? Ludum Dare 33 One of my goals this year was to participate in a Ludum Dare. I have cleared up my schedule,...
over a year ago
3
over a year ago
One of my goals this year was to participate in a Ludum Dare. I have cleared up my schedule, negotiated with my better half and everything is set up for epicness. At first the idea was to make a game in rust, even tough I basically haven’t used it in almost a year, but when I...
./techtipsy
Overcoming hardware limitations: the time-to-sleep script As some of you might own, I’m still rocking a ThinkPad T430, a laptop model originally released in...
over a year ago
38
over a year ago
As some of you might own, I’m still rocking a ThinkPad T430, a laptop model originally released in 2012. It’s not the fastest laptop out there, but it is plenty fast for a number of tasks, even most software development work. I also try to keep my machines up to date and properly...
Applied Cartography
Is cool enough? Via HN I ran into not one but two extremely neat and pleasant-looking libraries for URL...
9 months ago
3
9 months ago
Via HN I ran into not one but two extremely neat and pleasant-looking libraries for URL manipulation. They look like great libraries, and a prior version of me would have taken a brief set of cursory glances at the hodgepodge of janky URL manipulation code that I wrote for...
Notes on software...
Be someone who does things I wrote last month that what you want to do is one of the most useful motivations in life. I want to...
3 months ago
3
3 months ago
I wrote last month that what you want to do is one of the most useful motivations in life. I want to follow that up by saying that the only thing more important than wanting to do something is to actually do something. The most valuable trait you can develop for yourself is to...
Jonas Hietala
Widening the horizon This is a game making site but where are the games? What gives? I’ve been slightly less motivated in...
over a year ago
3
over a year ago
This is a game making site but where are the games? What gives? I’ve been slightly less motivated in making games lately and I’ve been doing different things, just to get my ideas and my motivation up. As I said in an earlier post I wanted a break from Experimental Games and I...
./techtipsy
Oops, I published my drafts! Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped...
10 months ago
81
10 months ago
Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped up around the time I published my FOSDEM 2024 post. Oops. I recently tried looking for an alternative to writing blog posts in IntelliJ and out of all the options I stuck...
Posts on Made of...
Suggestion time: What should I blog about? I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron...
over a year ago
2
over a year ago
I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron Blogger, and I’m not totally enthusiastic about any of the items on my “to blog” list. But, I do enjoy blogging when I actually get into posts, and I’d like to keep updating this blog....
./techtipsy
Dell Latitude 5411: the Linux compatibility sweet spot Oh boy, here I go testing a new laptop again! Well, it was new back in 2020. You might remember my...
a year ago
62
a year ago
Oh boy, here I go testing a new laptop again! Well, it was new back in 2020. You might remember my article on why I went back to a ThinkPad T430 in 2022. Or that other time when I got a new HP laptop for testing and got so frustrated that I wrote about it. Well, today I’m writing...
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
Computer Ads from...
Suture Software's Bludgeons 'n' Braggarts We very simply give you what you've been asking for -- we give you BLOOD
9 months ago
Willem's Blog
Do amazing things with a focused mind Read about my experience during the workshop I got as a birth day present involving the Wim Hof...
over a year ago
Notes on software...
Errors and Zig At TigerBeetle these last few weeks I've been doing a mix of documenting client libraries, writing...
a year ago
2
a year ago
At TigerBeetle these last few weeks I've been doing a mix of documenting client libraries, writing sample code for client libraries, and writing integration tests against the sample code. The client library documentation is generated with a Zig script. The sample code is...
Home on Erik...
Annoy – now without Boost dependencies and with Python 3 Support Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high...
over a year ago
2
over a year ago
Annoy is a C++/Python package I built for fast approximate nearest neighbor search in high dimensional spaces. Spotify uses it a lot to find similar items. First, matrix factorization gives a low dimensional representation of each item (artist/album/track/user) so that every item...
Louwrentius
Setting up a VPN with your iPhone using L2TP, IPSec and Linux This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server....
over a year ago
3
over a year ago
This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server. Updated 16 October 2012 - now compatible with Ubuntu 12.04 LTS IMPORTANT! (update January 2013) I find using OpenVPN with the new iOS OpenVPN client a way better solution. OpenVPN...
Arduino Blog
“Catch me if you can!” — How Alvik learns to dodge trouble with AI, featuring Roni Bandini Have you ever discovered a cool piece of tech buried in your drawer and thought, “This could make...
3 months ago
28
3 months ago
Have you ever discovered a cool piece of tech buried in your drawer and thought, “This could make for an awesome project”? That’s exactly what happened to Roni Bandini, maker, writer, electronics artist – and Arduino Alvik Star!  Bandini began coding at 10 years old, and has...
computers are bad
2023-02-07 secret government telephone numbers Very nearly a year ago, I wrote a popular article about secret military telephone buttons. To be...
a year ago
55
a year ago
Very nearly a year ago, I wrote a popular article about secret military telephone buttons. To be clear, the "secret" here was a joke and these buttons are in fact well documented. The buttons I was talking about were the AUTOVON call precedence buttons, used for a five-level...
Arduino Blog
This desk lamp automatically adjusts its brightness using AI on an Arduino UNO When you hear about all of the amazing things being accomplished with artificial intelligence today,...
6 months ago
36
6 months ago
When you hear about all of the amazing things being accomplished with artificial intelligence today, you probably assume that they require a massive amount of processing power. And while that is often true, there are machine learning models that can run on the edge — including on...
Matt Blewitt
Modifying pg_dump To Exclude Event Triggers At $WORK, we have a case where we have implemented an event trigger to prevent customers from...
5 months ago
3
5 months ago
At $WORK, we have a case where we have implemented an event trigger to prevent customers from dropping an extension. As this extension is part of contrib and normally installed by users, we can’t prevent them from dropping it normally. However, event triggers can only be created...
Gwern.net Newsletter
May Gwern.net Newsletter Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1...
over a year ago
2
over a year ago
Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1 book review.
Vitalik Buterin's...
Exit games for EVM validiums: the return of Plasma
a year ago
Vitalik Buterin's...
Don't overload Ethereum's consensus
a year ago
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...
Jonas Hietala
Geekhack Toxic I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it...
over a year ago
2
over a year ago
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it be? With a crummy mobile phone photo I give you my TOXIC keycaps mounted on my trusty old das keyboard: Woooo If only my GH60 could arrive some time this decade…
Simply Explained
Retrospective: 4 years on YouTube Every year I sit down and take a look at how my YouTube channel has been doing. I reflect, evaluate,...
over a year ago
3
over a year ago
Every year I sit down and take a look at how my YouTube channel has been doing. I reflect, evaluate, and set goals for the coming year. This year is no exception. January 13th, 2020, marks my fourth year on YouTube. Time to do a little retrospective.
Good Enough
Let's talk about conversations If you subscribe to our newsletter — which you do, right? — then you'll know that recently we've...
9 months ago
3
9 months ago
If you subscribe to our newsletter — which you do, right? — then you'll know that recently we've been thinking about conversations. We're a small group making fun software for people, and we like to have conversations with those people; the lovely folks who like our take on...
Arduino Blog
Repurposing an automatic train control unit as a car speedometer We’re just now getting semi-autonomous self-driving capabilities in cars, which let them adhere to...
3 months ago
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3 months ago
We’re just now getting semi-autonomous self-driving capabilities in cars, which let them adhere to posted speed limits and maintain their lanes. But trains have been doing the same thing for a long time — well before machine learning and computer vision became ubiquitous. How did...
Louwrentius
Example of a home networking setup with VLANs Updated October 24, 2012, see below. This post is a description of my home network setup based on...
over a year ago
3
over a year ago
Updated October 24, 2012, see below. This post is a description of my home network setup based on gigabit ethernet. I did a non-standard trick with VLANs that may also be of interest to other people. I'm going to start with a diagram of the network. Just take a look (click to...
Notes on software...
Writing a simple JSON path parser Let's say we want to implement a simple list filtering language so we can enter a.b = 12 and return...
over a year ago
3
over a year ago
Let's say we want to implement a simple list filtering language so we can enter a.b = 12 and return only results in a list where the a column is an object that contains a field b that is set to the value 12. What would a filter(jsonPath, equals, listOfObjects) function...
Louwrentius
Benefits of hyper-threading on a Core 7i processor I had some wave files that I wanted to encode to mp3. I wrote a small parallel processing framework...
over a year ago
2
over a year ago
I had some wave files that I wanted to encode to mp3. I wrote a small parallel processing framework for this job. It executes parallel jobs so I can benefit from the 4 cores + 4 virtual cores of my new Core 7i 920 processor.  The framework is based on some shell scripts running...
Odds and Ends of...
How to fix The Observer Slow news is good news?
3 weeks ago
Engineers Need Art
VPX Scripting - Part 1 (Teacher's Pet) The first in a series of posts about scripting Visual Pinball tables.
8 months ago
Yazin Alirhayim
Part 2: Will greater access to capital spark Bahrain’s economy? 👉 If you haven’t read Part 1, do that first. In the last post, I discussed the question of access...
over a year ago
3
over a year ago
👉 If you haven’t read Part 1, do that first. In the last post, I discussed the question of access to capital and why’s important to verify that we do in fact have a problem before we attempt to “solve” it. Now, we’re going to talk about the method for measuring the extent of...
Jonas Hietala
2023 in review This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not...
11 months ago
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11 months ago
This is my yearly review #14. Amazing that I’ve kept up with this for 14 years. Even though it’s not anything advanced, I really like looking back at the year to see what has happened. Maybe it’s a very light version of a reverse bucket list, and I can see that it provides some...
Applied Cartography
How shadcn/ui examples work I’m increasingly convinced that for developer-first tools, a really good docs experience is a...
7 months ago
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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...
Arduino Blog
A DIY weather display with dedicated outdoor sensor station Weather stations are popular projects in the maker community because they’re useful and usually...
6 months ago
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6 months ago
Weather stations are popular projects in the maker community because they’re useful and usually quite affordable to construct. But most that we see are really weather information displays that gather data through the internet from stations in the region. That data is fairly...
Willem's Blog
Enter text without keys Worn on your fingers, the Tap Strap recognises tapping and moving to control and type without a...
over a year ago
2
over a year ago
Worn on your fingers, the Tap Strap recognises tapping and moving to control and type without a mouse or keyboard!
Jonas Hietala
Where's Teddy? So I did this course Game Design and what’s a course on Game Design without a game? Well, here it...
over a year ago
2
over a year ago
So I did this course Game Design and what’s a course on Game Design without a game? Well, here it is. Made in about seven days (more likely eight) and I thought it became quite cool. Where’s Teddy? How to Play Your mission is to find teddy and his teddybear friends. The...
computers are bad
2023-08-19 meanwhile elsewhere I had meant to write something today, but I'm just getting over a case of the COVID and had a hard...
a year ago
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a year ago
I had meant to write something today, but I'm just getting over a case of the COVID and had a hard time getting to it. Instead I did the yard work, edited and uploaded a YouTube video, and then spewed out a Cohost thread as long as a blog post. So in lieu of your regularly...
Louwrentius
How to resolve extreme memory usage on Windows 2008 R2-based file servers I'm responsible for a file server with about 5 terrabytes of data. The file server is based on...
over a year ago
2
over a year ago
I'm responsible for a file server with about 5 terrabytes of data. The file server is based on Windows 2008 R2. I've noticed extreme memory usage on the server. After a reboot, it slowly builds up until almost all RAM memory is consumed. So I googled around and found this post...
Old Vintage...
Refurb weekend: Canon Cat It's the Memorial Day holiday weekend and it's time for a little deferred maintenance, especially on...
6 months ago
85
6 months ago
It's the Memorial Day holiday weekend and it's time for a little deferred maintenance, especially on those machines I intend to work on more in the near future. So we'll start with one that's widely considered to be a remarkable cul-de-sac in computing history: the Canon...
OH8HUB’s Substack
Spring ham radio activation of Korkattivuori (Mt. Korkatti) Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature...
a year ago
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a year ago
Korkattivuori (“Mount Korkatti”, 186m above sea level) is a small hill and Natura 2000 nature reserve area near town Haapavesi (pop. 6588) in Finland. The nature reserve area consist of short family friendly hiking path of approximately 1.5km. One end of the path has parking...
Notes on software...
The impact of management teams as a decision-making group, in startups and enterprise Ambitious companies form management teams at every level above you, sometimes including you....
over a year ago
2
over a year ago
Ambitious companies form management teams at every level above you, sometimes including you. Management teams meet periodically and have private chat rooms. They discuss customers, product and organizational direction. Sometimes discussions are well documented and...
Jonas Hietala
ISOC update I have now worked a bit more than 3 weeks out of my 4 weeks of IDA Summer of Code and this is an...
over a year ago
2
over a year ago
I have now worked a bit more than 3 weeks out of my 4 weeks of IDA Summer of Code and this is an update post of what I’ve done so far. I will write a more extensive summary post at the end of the project. I was planning on writing a weekly summary, but that ship sailed a long...
Home on Erik...
Tumblr's awesome project names Not sure how I managed to miss this, but I'm watching this Tumblr presentation and they talk about...
over a year ago
3
over a year ago
Not sure how I managed to miss this, but I'm watching this Tumblr presentation and they talk about their projects named after Arrested Development topics: Gob, Parmesan, Buster, Jetpants, Oscar, George and Motherboy. Still, the best software project name is probably still Apple's...
Louwrentius
Unattended automatic installation of Linux nvidia binary driver As part of an unattended installation, it was necessary to install a binary nvidia graphics driver....
over a year ago
3
over a year ago
As part of an unattended installation, it was necessary to install a binary nvidia graphics driver. This is a manual proces by default. However, it can be done fully automatic: prerequisite: install xserver-xorg-dev package or similar xorg development package. sh NVIDIA-.run -q...
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
3
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...
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...
Jonas Hietala
The Coinparty hackathon, take two In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my...
over a year ago
3
over a year ago
In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my procrastination a kick in the balls. Unfortunately the hackathon was postponed to January just an hour later. Maybe the organizers didn’t think my project was exciting enough or...
Jonas Hietala
Failed mime type for Krita I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open)...
over a year ago
2
over a year ago
I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open) a file and gave the error: Could not find mime type "application/x-krita" Turns out if you reinstall the package shared-mime-info which comes natively with Slackware the...
Louwrentius
Convert dos file to linux format wit vim If you have some file that has been saved on a (Win)do(w)s host you may notice that all lines end...
over a year ago
2
over a year ago
If you have some file that has been saved on a (Win)do(w)s host you may notice that all lines end with ^M. To fix this, you can use the tool dos2unix. If however this tool is not at your disposal, you may have a problem. If vim is available, you do not have a problem: The trick...
Posts on Made of...
On git and usability I’ve been helping a number of people get started working with git over the last couple of weeks, as...
over a year ago
3
over a year ago
I’ve been helping a number of people get started working with git over the last couple of weeks, as Ksplice has brought on some new interns, and we’ve had to get them up to speed on our internal git repositories. (As you might expect from a bunch of kernel hackers, we use git for...
Avestura's Blog
Using Tor outside of the Tor Browser This post shows how to run Tor with a simple PowerShell script and use it in other apps like...
over a year ago
seangoedecke.com RSS...
How LLMs work Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is...
a year ago
3
a year ago
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is basically a simple one-file C…
Louwrentius
24 TB based on Norco RPC-4020 and Linux Software RAID Just a quick link: Some person build basically the same setup, including identical...
over a year ago
3
over a year ago
Just a quick link: Some person build basically the same setup, including identical controller, providing 28 TB of storage: Take a look here The main difference is that this person uses 1.5 TB disk, thus achieving more storage.
Home on Erik...
Nearest neighbors and vector models – part 2 – algorithms and data structures This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a...
over a year ago
2
over a year ago
This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a library called Annoy that I have built that helps you do nearest neighbor queries in high dimensional spaces.
Good Enough
TIL: Use touch-action: manipulation; to avoid double-tap-to-zoom Recently we built and launched A Good Enough Guestbook, a place where you can send us doodles and...
a year ago
2
a year ago
Recently we built and launched A Good Enough Guestbook, a place where you can send us doodles and they’ll print out on our little printer. It’s quite lovely and fun, and you should send us a doodle. We might also have more in store for these printers in the future. In the...
Vitalik Buterin's...
Prediction Markets: Tales from the Election
over a year ago
Willem's Blog
Traffic shaping using iptables and tc This month I responded to an automated alert indicating excessive bandwidth usage on a server,...
over a year ago
3
over a year ago
This month I responded to an automated alert indicating excessive bandwidth usage on a server, requiring me to apply traffic shaping to mitigate the traffic.
Christian Selig
Theming Apps on iOS is Hard Theming apps (the ability to change up the color scheme for an app from say, a white background with...
over a year ago
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over a year ago
Theming apps (the ability to change up the color scheme for an app from say, a white background with blue links to a light green background with green links) is a pretty common feature across a lot of apps. It’s one of the core features of the new “Twitter Blue” subscription,...
Posts on Made of...
Some Android reverse-engineering tools I’ve spent a lot of time this last week staring at decompiled Dalvik assembly. In the process, I...
over a year ago
3
over a year ago
I’ve spent a lot of time this last week staring at decompiled Dalvik assembly. In the process, I created a couple of useful tools that I figure are worth sharing. I’ve been using dedexer instead of baksmali, honestly mainly because the former’s output has fewer blank lines and so...
computers are bad
2023-06-07 something up there - nasa and uaps A brief note on Grusch First, a disclaimer of sorts: I am posting another article on UAPs, yet I...
a year ago
60
a year ago
A brief note on Grusch First, a disclaimer of sorts: I am posting another article on UAPs, yet I am not addressing the recent claims by David Grusch. This is for a couple of reasons. First, I am skeptical of Grusch. He is not the first seemingly well-positioned former...
Jonas Hietala
Done this, done that. What now? Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and...
over a year ago
3
over a year ago
Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and starting some new courses in school. I’m liking my choice of Computer Science more and more. Data structures and Algorithms was a super fun course, I actually ordered a new book...
Willem's Blog
Born with MCADD Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were...
over a year ago
2
over a year ago
Our son was diagnosed with MCADD days after he was born. We experienced a metabolic crisis but were lucky to be just in time!
Home on Erik...
The hardest challenge about becoming a manager Note: this post is full of pseudo-psychology and highly speculative content. Like most fun stuff! I...
over a year ago
2
over a year ago
Note: this post is full of pseudo-psychology and highly speculative content. Like most fun stuff! I became a manager back in 2009. Being a developer is fun. You have this very tangible way to measure yourself.
Home on Erik...
How to set compensation using commonsense principles Compensation has always been one of the most confusing parts of management to me. Getting it right...
over a year ago
2
over a year ago
Compensation has always been one of the most confusing parts of management to me. Getting it right is obviously extremely important. Compensation is what drives our entire economy, and you could look at the market for labor as one gigantic resource-allocating machine in the same...
Abort Retry Fail
Unboxing New Old Stock Windows 3.11 A Photo Gallery
a year ago
Vitalik Buterin's...
On Medium-of-Exchange Token Valuations
over a year ago
Louwrentius
My 71 TiB ZFS NAS after 10 years and zero drive failures My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going...
3 months ago
3
3 months ago
My 4U 71 TiB ZFS NAS built with twenty-four 4 TB drives is over 10 years old and still going strong. Although now on its second motherboard and power supply, the system has yet to experience a single drive failure (knock on wood). Zero drive failures in ten years, how is that...
Willem's Blog
Creating a minimal iPhone stand Today I created a minimal iPhone stand from oak wood. I used a single piece of wood to get it done.
over a year ago
Good Enough
Lettini is Good Enough We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know...
a year ago
3
a year ago
We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know much about us. So we’re starting a new Q&A column to introduce ourselves, one-at-a-time, starting with our resident designer… Who the hell do you think you are? 👋 Hello, I’m...
Vitalik Buterin's...
La Guía Incompleta de los Rollups
over a year ago
Jonas Hietala
Black and White Here it is at last! Boasting a unoriginal name, themed Bare Minimum. My thoughts where to create a...
over a year ago
2
over a year ago
Here it is at last! Boasting a unoriginal name, themed Bare Minimum. My thoughts where to create a game where graphics where included into the gameplay but sadly it didn’t come out nearly as good as I expected it too. Yes I know there are a lot of things bad and wrong with this...
Home on Erik...
Exploding offers are bullshit I do a lot of recruiting and have given maybe 50 offers in my career. Although many companies do, I...
over a year ago
3
over a year ago
I do a lot of recruiting and have given maybe 50 offers in my career. Although many companies do, I never put a deadline on any of them. Unfortunately, I've often ended up competing with other companies who do, and I feel really bad that this usually tricks younger developers...
Ken Shirriff's blog
Reverse engineering the 59-pound printer onboard the Space Shuttle The Space Shuttle contained a bulky printer so the astronauts could receive procedures, mission...
4 months ago
3
4 months ago
The Space Shuttle contained a bulky printer so the astronauts could receive procedures, mission plans, weather reports, crew activity plans, and other documents. Needed for the first Shuttle launch in 1981, this printer was designed in just 7 months, built around an Army...
Louwrentius
The iPhone, iPad and iOS are powering a revolution Most people just don't understand computers. Are these people dumb? Some may be dumb, but the people...
over a year ago
3
over a year ago
Most people just don't understand computers. Are these people dumb? Some may be dumb, but the people who make them are maybe even dumber. Because they can't seem to figure out how to create a computer that the majority of people understand. When the original macintosh arrived at...
Jonas Hietala
Motivation is Valuable It’s funny how motivation can play such a huge role with my productivity. I’m currently having two...
over a year ago
3
over a year ago
It’s funny how motivation can play such a huge role with my productivity. I’m currently having two math courses; one mandatory about analysis in multiple variables and vector analysis and one voluntary about advanced linear algebra. I don’t like the analysis course, didn’t like...
Posts on Made of...
Configuring dnsmasq with VMware Workstation I love VMware workstation. I keep VMs around for basically every version of every major Linux...
over a year ago
3
over a year ago
I love VMware workstation. I keep VMs around for basically every version of every major Linux distribution, and use them heavily for all kinds of kernel testing and development. This post is a quick writeup of my networking setup with VMware Workstation, using dnsmasq to assign...