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On Life and Lisp
Software freedom isn't about licenses -- it's about power. A restrictive end-user license agreement is one way a company can exert power over the user. When...
over a year ago
6
over a year ago
A restrictive end-user license agreement is one way a company can exert power over the user. When the free software movement was founded thirty years ago, these restrictive licenses were the primary user-hostile power dynamic, so permissive and copyleft licenses emerged as...
Applied Cartography
Using Cursor to port Django tests to pytest When it comes to AI tooling, I am equal parts optimist and cynic. I have no moral qualm with using...
3 months ago
3
3 months ago
When it comes to AI tooling, I am equal parts optimist and cynic. I have no moral qualm with using these tools (Supermaven is a pretty heavy part of my day-to-day work), but have found most tools quite bad by the metric of "do they make me more productive on Buttondown's code...
Lighthouse Blog
Updates May 31
6 months ago
Style over Substance
How I made HA-meural: a Meural Canvas integration for Home Assistant One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the...
over a year ago
59
over a year ago
One of my 2020 lockdown projects I’m extremely proud of is HA-meural – a custom integration for the Home Assistant home automation software that lets you control a NETGEAR Meural Canvas digital frame. It’s the result of a few months of work, lots of trial and error, and many...
Louwrentius
Script that shows ETA of RAID rebuild / reshape I made a small script that converts the output of cat /proc/mdstat to an actual date and time...
over a year ago
3
over a year ago
I made a small script that converts the output of cat /proc/mdstat to an actual date and time telling you when the RAID rebuild / reshape is finished. This is the link to the correct version of the script. Example: debian:~# ./raid-rebuild-eta.sh Estimated time of finishing...
Louwrentius
Core i7 920 @ 3,6 Ghz is a true beast! Even today, Core 2 Duo processors clocked at 2 ghz are no slugs. However, the Core i7 920 is of a...
over a year ago
2
over a year ago
Even today, Core 2 Duo processors clocked at 2 ghz are no slugs. However, the Core i7 920 is of a different kind. First, it is not only clocked at a higher speed (default 2,8 Ghz), it is also a quad-core processor. Thanks to the re- introduction of hyperthreading, this processor...
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...
./techtipsy
Turning leftover PC parts into a decent gaming PC Introduction About a year ago, I bought an used PC based off of a Lenovo Erazer X510. It had a...
over a year ago
32
over a year ago
Introduction About a year ago, I bought an used PC based off of a Lenovo Erazer X510. It had a dual-core Intel Pentium G3220 CPU, 4GB of DDR3 RAM, a crappy Codegen 400W power supply and a 60GB SSD. I added an Nvidia GTX 1050 and just like that, a budget gaming PC was born. My...
Jonas Hietala
The End of the Tunnel Lately I’ve been feeling like there’s been a shit-ton of stuff going on, quite a turn-around from...
over a year ago
3
over a year ago
Lately I’ve been feeling like there’s been a shit-ton of stuff going on, quite a turn-around from the last time. One course about data structure and algorithms (super fun to be honest) has wrapped up. We thought we were ahead with the assignments but in the end it got very...
Applied Cartography
Buttondown Analytics 3.0 Working on a new analytics engine — a scant eleven months after the previous 'new analytics...
10 months ago
3
10 months ago
Working on a new analytics engine — a scant eleven months after the previous 'new analytics engine'. Calling this 3.0 is a bit of a misnomer: most of the code, design, and plumbing from the 2023 redesign is sticking around, just in a more modular format. The goal here is to...
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...
Applied Cartography
Weird test: internal link checking I wrote last month about using weird tests. Here's another example: checking for broken internal...
8 months ago
1
8 months ago
I wrote last month about using weird tests. Here's another example: checking for broken internal links in our upcoming docsite redesign! const extractInternalLinks = (content: string): string[] => { // Check for internal links only, in the form of [text](/path). const...
Jonas Hietala
CS:GO AWP Nerf When this man opens his mouth, truth comes out. https://www.youtube.com/watch?v=rsFnJYJ2buU If I...
over a year ago
3
over a year ago
When this man opens his mouth, truth comes out. https://www.youtube.com/watch?v=rsFnJYJ2buU If I ever make a game and I want someone to balance it and I had the money, I would hire Thorin.
Yazin Alirhayim
Part 1: Will greater access to capital spark Bahrain’s economy? Today, I was on a panel discussing lending and access to capital (not a wooden panel, mind you — but...
over a year ago
3
over a year ago
Today, I was on a panel discussing lending and access to capital (not a wooden panel, mind you — but a panel of speakers. Now that I think about it, we may have been sitting on wooden panel flooring). At any rate, the discussion covered alot of ground, all as part of the larger...
Construction Physics
How Good Are American Roads? We’re in an era where US infrastructure is getting a lot of attention.
a month ago
Old Vintage...
Virtualizing the 6502 on a 6502 with 6o6 (and The Incredible KIMplement goes 1.0) Okay, promises, promises. Here's the first of my bucket list projects I'm completing which I've...
7 months ago
82
7 months ago
Okay, promises, promises. Here's the first of my bucket list projects I'm completing which I've intermittently worked on for literally two decades. Now that I've finally shaken out more bugs, tuned it up and cleaned it off, it's time to let people play with the source...
Louwrentius
Migration from blogger to blogofile and disqus is complete As stated in my previous post, I migrated all posts from blogger.com to my own host running...
over a year ago
3
over a year ago
As stated in my previous post, I migrated all posts from blogger.com to my own host running blogofile. At the time of my previous post, I was not able to restore all comments made on my old blog. Thanks to some help from disqcus I fixed an error on my behalf and all old comments...
Vitalik Buterin's...
Review of Optimism retro funding round 1
over a year ago
Posts on Made of...
Write yourself an strace in 70 lines of code Basically anyone who’s used Linux for any amount of time eventually comes to know and love the...
over a year ago
2
over a year ago
Basically anyone who’s used Linux for any amount of time eventually comes to know and love the strace command. strace is the system-call tracer, which traces the calls that a program makes into the kernel in order to interact with the outside world. If you’re not already familiar...
Christian Selig
Instant Pan Gesture Interactions Apple has a really awesome WWDC 2018 video called Designing Fluid Interfaces, and one of the key...
a year ago
62
a year ago
Apple has a really awesome WWDC 2018 video called Designing Fluid Interfaces, and one of the key takeaways from the videos that one of the presenters, Chan Karunamuni, said is “Look for delays everywhere. Everything needs to respond instantly.” (6:28) A really great example of...
Vitalik Buterin's...
Different types of layer 2s
a year ago
Applied Cartography
Always use an enum for your status field When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now...
3 months ago
3
3 months ago
When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now — I was thrilled by the concept of an "architecture review", and by extension the concept of a "Principal Engineer" (Amazon's term for a staff-level engineer, someone beyond...
Willem's Blog
The best keyboard for iPad While everybody is raving about the Magic Keyboard there is something to be said for the...
over a year ago
3
over a year ago
While everybody is raving about the Magic Keyboard there is something to be said for the "mouse-less" Smart Keyboard Folio. Read along for a detailed analyses based on actual iPad use.
Birchtree
The “Bluesky feels like early Twitter!” vibe Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1...
3 weeks ago
5
3 weeks ago
Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1 million users a day for a bit last week. One sentiment I’m hearing a lot recently is that Bluely “feels like early Twitter,” which
Louwrentius
Storage and I/O: reads vs. writes There is a fundamental difference between a read operation and a write operation. Storage can lie...
over a year ago
3
over a year ago
There is a fundamental difference between a read operation and a write operation. Storage can lie about completing a write operation, but it can never lie about completing a read operation. Therefore read and writes have different characteristics. This is what I've learned. About...
Lighthouse Blog
How to stay on top of (new) content
6 months ago
Home on Erik...
The mathematical principles of management I've read about 100 management books by now but if there's something that always bothered me it's...
over a year ago
2
over a year ago
I've read about 100 management books by now but if there's something that always bothered me it's the lack of first principles thinking. Basically it's a ton of heuristics. And heuristics are great, but when you present heuristics as true objectives, it kind of clouds the...
Matt Blewitt
7 Databases in 7 Weeks for 2025 I’ve been running databases-as-a-service for a long time, and there are always new things to keep...
3 weeks ago
5
3 weeks ago
I’ve been running databases-as-a-service for a long time, and there are always new things to keep abreast of - new technologies, different ways of solving problems, not to mention all the research coming out of universities. In 2025, consider spending a week with each of these...
Louwrentius
'Linux: unattended installation with Debian preseeding' Debian Linux provides a mechanism to install the operating system without user intervention. This...
over a year ago
3
over a year ago
Debian Linux provides a mechanism to install the operating system without user intervention. This mechanism is called 'preseeding' and is similar to Red Hat Kick Start and Sun Solaris Jump Start. The basic idea is that the installer is fed a recipe, according to which the system...
seangoedecke.com RSS...
Building LLM-driven agents If you want a large language model like GPT-3 to perform a task for you, the simplest way is to just...
a year ago
2
a year ago
If you want a large language model like GPT-3 to perform a task for you, the simplest way is to just ask it. Writing out a single prompt…
Yazin Alirhayim
How do you know that an API does what it says it does? Having been in fintech for a while, I’ve noticed something in common between the many new startups...
over a year ago
2
over a year ago
Having been in fintech for a while, I’ve noticed something in common between the many new startups that come and go. They all require access to personal information. A specific example that comes to mind is the Plaid-like solution we developed while working on amal. We’d ask...
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...
Jonas Hietala
Language spec in code blocks Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I...
a year ago
2
a year ago
Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I wanted to add, but it felt a little bothersome so I skipped it. It was to display the highlighted language in code blocks: The code spec displays what programming language the code...
Avestura's Blog
Explaining The Postgres Meme Have you seen this legendary SQL iceberg meme? Let's talk about it while wearing our PostgreSQL hat!
a year ago
Jonas Hietala
Getting Comfortable So I physically built the computer and now I’ve been using it a while, configuring stuff and getting...
over a year ago
3
over a year ago
So I physically built the computer and now I’ve been using it a while, configuring stuff and getting used to my new screens. I think they’re about three times wide as my old laptop and now I have this one huge vertical space which is absolutely wonderful for surfing forums and...
Willem's Blog
iPad Pro next to my primary machine Using iPad Pro with Apple Pencil next to my computer to form a create powerhouse
over a year ago
detreville
The IBM 701 "IBM's first computer"
a year ago
Avestura's Blog
What is the type of Type? Should type of `Type` be also `Type`? Or is there an alternative?
over a year ago
Old Vintage...
Two tiny 65816 DTV consoles The 21st century direct-to-TV game console: a dirt-cheap toy dragging poor ports of cherished games...
5 months ago
78
5 months ago
The 21st century direct-to-TV game console: a dirt-cheap toy dragging poor ports of cherished games to a more downmarket age. If you couldn't afford the real device, your alternative was these inexpensive, inadequate facsimiles faithful only to one's gauzy recollection. As their...
Home on Erik...
NYC Machine Learning meetup From the NYC Machine Learning talk I had last week: Haven't looked at it yet except briefly....
over a year ago
3
over a year ago
From the NYC Machine Learning talk I had last week: Haven't looked at it yet except briefly. Unfortunately the quality isn't the best.
Home on Erik...
σ-driven project management: when is the optimal time to give up? Hi! It's your friendly project management theorician. You might remember me from blog posts such as...
over a year ago
3
over a year ago
Hi! It's your friendly project management theorician. You might remember me from blog posts such as Why software projects take longer than you think, which is a blog post I wrote a long time ago positing that software projects completion time follow a log-normal distribution.
Willem's Blog
Swimming and cycling with Apple Watch This month I tested the newest watchOS while swimming and cycling.
over a year ago
Posts on Made of...
Property Testing Like AFL In my last last post, I argued that property-based testing and fuzzing are essentially the same...
over a year ago
3
over a year ago
In my last last post, I argued that property-based testing and fuzzing are essentially the same practice, or at least share a lot of commonality. In this followup post, I want to explore that idea a bit more: I’ll first detour into some of my frustrations and hesitations around...
Willem's Blog
Scalable application design without magic I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I...
over a year ago
3
over a year ago
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I did this by leveraging the client's computing power having it handle most of the user interaction workload.
Vitalik Buterin's...
The different types of ZK-EVMs
over a year ago
Willem's Blog
Commuting by bike One week on the VanMoof Electrified S E-bike testing it for commuting and comparing it to a normal...
over a year ago
2
over a year ago
One week on the VanMoof Electrified S E-bike testing it for commuting and comparing it to a normal bike.
Jonas Hietala
Postmortem: Sat-E This is my postmortem for my Ludum Dare 22 entry, Sat-E. You can find the timelapse over here. The...
over a year ago
2
over a year ago
This is my postmortem for my Ludum Dare 22 entry, Sat-E. You can find the timelapse over here. The Good Motivation I was really motivated for this dare and it showed in the game and outside it. It’s super hard to make a game in only 48 hours but this time it went pretty well. My...
Jonas Hietala
Let's build a VORON: Software The build continues, now in a little more familiar territory. Firmware flashing To flash the...
a year ago
2
a year ago
The build continues, now in a little more familiar territory. Firmware flashing To flash the firmware I had to order a microSD card reader. With that on hand the flashing wasn’t difficult. The VORON docs walks you through the installation very well. Mainsail I chose to install...
Computer Ads from...
Lintek Computer Accessories' Paper Tamer Restore Order (to your printer)
8 months ago
Willem's Blog
Six months with MCADD It's six months since our son was born with MCADD, a good moment to reflect upon the experience of...
over a year ago
3
over a year ago
It's six months since our son was born with MCADD, a good moment to reflect upon the experience of being a parent with some thoughts and tips.
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),...
lcamtuf’s thing
Random objects: Intel Edison A glimpse of the missteps of x86 in the embedded world.
6 months ago
./techtipsy
Quest towards energy efficiency part 1: the water heater While listening to the SelfHosted podcast, one of the hosts brought up their peculiar...
over a year ago
30
over a year ago
While listening to the SelfHosted podcast, one of the hosts brought up their peculiar living arrangement multiple times. Essentially, he and his family are living in an RV that runs off of batteries, has solar panels, utilizes Home Assistant for automation, supports multiple...
Matt Mullenweg
Kindness and Techcrunch Disrupt Back in June I recorded an episode with Jaclyn Lindsey on the Why Kindness podcast, for their...
a month ago
4
a month ago
Back in June I recorded an episode with Jaclyn Lindsey on the Why Kindness podcast, for their awesome non-profit kindness.org. You can listen to it through Pocket Casts here: This is kind of funny because I’m obviously in the midst of the big battle with Silver Lake and WP...
Old Vintage...
The unreleased Commodore HHC-4's secret identity Once upon a time (and that time was Winter CES 1983), Commodore announced what was to be their one...
a month ago
34
a month ago
Once upon a time (and that time was Winter CES 1983), Commodore announced what was to be their one and only handheld computer, the Commodore HHC-4. It was never released and never seen again, at least not in that form. But it turns out that not only did the HHC-4 actually exist,...
./techtipsy
I looked at this site on the Wayback Machine Yesterday was election day in Estonia and the results are in, which is why I remembered that one...
a year ago
60
a year ago
Yesterday was election day in Estonia and the results are in, which is why I remembered that one time I looked at my website on the Wayback Machine. This domain used to point to a Wordpress site that hosted content for a candidate in the local elections, at least around...
Home on Erik...
Everything I learned about technical debt I just made it to Sweden suffering from jet lag induced insomnia, but this blog post will not cover...
over a year ago
3
over a year ago
I just made it to Sweden suffering from jet lag induced insomnia, but this blog post will not cover that. Instead, I will talk a little bit about technical debt. The concept of technical debt always resonated with me, partly because I always like the analogy with “real” debt.
Engineers Need Art
VPX Scripting - Part 4 (Pet Sounds) Teacher's Pet gets new sounds in this post in a series about scripting Visual Pinball tables.
8 months ago
Odds and Ends of...
Odds and Ends #42: An Elizabeth Line extension, some mad planning law nonsense, and the world's most... Your regular round-up of interesting links
a month ago
Arduino Blog
Simplifying IoT for smarter manufacturing: Join the chat with Arduino, AWS, and Atlas Machine We all know that the future of manufacturing lies in IoT — yet the path to adoption can sometimes...
2 weeks ago
12
2 weeks ago
We all know that the future of manufacturing lies in IoT — yet the path to adoption can sometimes feel daunting. But what if you could simplify the process and start seeing results quickly? That’s exactly what we’re going to explore in our upcoming Arduino Cloud Café webinar on...
Arduino Blog
Expanding possibilities: Blues Wireless amplifies Opta’s connectivity Blues Wireless and Arduino have joined forces to create the game-changing Blues Wireless for Arduino...
7 months ago
82
7 months ago
Blues Wireless and Arduino have joined forces to create the game-changing Blues Wireless for Arduino Opta, unveiled this week at the Automate Show in Chicago. The expansion module is an affordable solution to enhance connectivity options for Arduino Opta micro PLCs, and marks a...
Home on Erik...
It's called Berkson's paradox! As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's...
over a year ago
3
over a year ago
As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's paradox. Here's another example: Why Are Handsome Men Such Jerks?
Old Vintage...
Refurb weekend: PowerBook Duo 2300c Jerry Seinfeld had one. many other TV shows and even movies, most notoriously Hackers: my...
a year ago
72
a year ago
Jerry Seinfeld had one. many other TV shows and even movies, most notoriously Hackers: my favourite PowerBook 1400: the metal hinges are starting to tear out of their attachment points in the plastic back of the display, and naturally it's the one with all the upgrades in...
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)...
Arduino Blog
Ride safer with these DIY bicycle lights Many people around the world live in cities designed for cars, with bicycle use being a distant...
5 months ago
37
5 months ago
Many people around the world live in cities designed for cars, with bicycle use being a distant afterthought. That makes cycling dangerous and lights can do a lot to make riding safer. That’s why Giovanni Aggiustatutto designed this DIY system that includes headlights, a...
Computer Ads from...
Plus Post: Objects, Inc's Layout Build Programs Without Programming
10 months ago
Matt Blewitt
Logical Replication Guardrails I’ve been working with logical replication in PostgreSQL recently, and I wanted to share a few...
6 months ago
2
6 months ago
I’ve been working with logical replication in PostgreSQL recently, and I wanted to share a few thoughts on how to implement some guardrails to make things easier on operators.
Simply Explained
My Sixth Year as YouTube Creator (statistics + retrospective) Every new year I reflect on the previous year and set new goals. Last year has been my most...
over a year ago
3
over a year ago
Every new year I reflect on the previous year and set new goals. Last year has been my most successful year on YouTube so far, and I'd like to share some statistics and thoughts. I will also go over how my email newsletter is doing and where I'm headed. And finally, I'll set...
On Life and Lisp
Vulkan 1.4 sur Asahi Linux English version follows. Aujourd’hui, Khronos Group a sorti la spécification 1.4 de l’API graphique...
2 weeks ago
15
2 weeks ago
English version follows. Aujourd’hui, Khronos Group a sorti la spécification 1.4 de l’API graphique standard Vulkan. Le projet Asahi Linux est fier d’annoncer le premier pilote Vulkan 1.4 pour le matériel d’Apple. En effet, notre pilote graphique Honeykrisp est reconnu par...
Jonas Hietala
New Computer! I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s...
over a year ago
3
over a year ago
I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s awesome (as all new computers are). The specs: GPU: Gigabyte GeForce GTX 550Ti OC 1GB CPU: Intel core i5 2500K CPU cooler: Zalman CNPS-9900NT Motherboard: MSI P67A-C45 REV B3 Ram:...
Ian's Blog
Hardware-Accelerated Video Encoding with Intel Arc on Redhat Linux I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but...
a month ago
4
a month ago
I've been wanting hardware-accelerated video encoding on my Linux machine for quite a while now, but ask anybody who's used a Linux machine and they'll tell you of the horrors of Nvidia or AMD drivers. Intel, on the other hand, seems to be taking things in a much different, much...
./techtipsy
Good reads This is an unsorted list of articles that I find to be good in one way or another. Maker’s Schedule,...
a year ago
25
a year ago
This is an unsorted list of articles that I find to be good in one way or another. Maker’s Schedule, Manager’s Schedule a must-read for anyone working in a software development team. Helps express what most of us have felt at some point in our careers. The case of the 500-mile...
Louwrentius
My Ceph test cluster based on Raspberry Pi's and HP MicroServers Introduction To learn more about Ceph, I've build myself a Ceph Cluster based on actual hardware. In...
over a year ago
3
over a year ago
Introduction To learn more about Ceph, I've build myself a Ceph Cluster based on actual hardware. In this blogpost I'll discus the cluster in more detail and I've also included (fio) benchmark results. This is my test Ceph cluster: The cluster consists of the following...
heavymeta.org
CrowdStrike's Impact on Aviation Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike...
4 months ago
3
4 months ago
Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike YOLOed a software update to millions of Windows machines. Or as they put it: On July 19, 2024 at 04:09 UTC, as part of ongoing operations, CrowdStrike released a sensor...
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
Louwrentius
1.0 GB/s using Linux software RAID I filled the Norco case with hardware. It is now up and running, based on Debian Linux (Lenny). I...
over a year ago
3
over a year ago
I filled the Norco case with hardware. It is now up and running, based on Debian Linux (Lenny). I immediately performed some initial tests with software RAID 0. The results are just astounding. debian:~# dd if=/dev/md0 of=/dev/null bs=1M count=50000 50000+0 records in 50000+0...
Good Enough
TIL: Overriding Permalink Generation in FriendlyId FriendlyId is a helpful Ruby gem that streamlines creating permalinks and slugs for Rails...
3 months ago
3
3 months ago
FriendlyId is a helpful Ruby gem that streamlines creating permalinks and slugs for Rails applications. In Pika we're using it to help with generating permalinks for blog posts and pages as well as slugs for tags. When a customer wrote in with a request to modify the behavior of...
Jonas Hietala
The Experimental Games It’s been nine months since I started doing Experimental Games and I think it’s time to evaluate and...
over a year ago
2
over a year ago
It’s been nine months since I started doing Experimental Games and I think it’s time to evaluate and maybe go in a new direction. At first I had been stuck for ages with my never-ending projects and I had literally nothing to show for all my coding. Well now things have changed a...
Louwrentius
Personal Security: erase your computer or phone before repair Computer nerds are self sufficient when it comes to fixing their computer. Non-computer experts have...
over a year ago
3
over a year ago
Computer nerds are self sufficient when it comes to fixing their computer. Non-computer experts have to find some other person with greater computer knowledge to repair their computer or phone. That person will then be able to access all data stored on their computer or phone. By...
Posts on Made of...
The architecture of declarative configuration management With the ongoing move towards “infrastructure-as-code” and similar notions, there’s been an ongoing...
over a year ago
2
over a year ago
With the ongoing move towards “infrastructure-as-code” and similar notions, there’s been an ongoing increase in the number and popularity of declarative configuration management tools. This post attempts to lay out my mental model of the conceptual architecture and internal...
Home on Erik...
What is the right level of specialization? For data teams and anyone else. This isn't as much of a blog post as an elaboration of a tweet I posted the other day: I think this...
over a year ago
2
over a year ago
This isn't as much of a blog post as an elaboration of a tweet I posted the other day: I think this specialization of data teams into 99 different roles (data scientist, data engineer, analytics engineer, ML engineer etc) is generally a bad thing driven by the fact that tools are...
Louwrentius
Blu Ray is dead HD-DVD may be dead, but Blu Ray is just as dead. The whole concept of optical media is dead....
over a year ago
3
over a year ago
HD-DVD may be dead, but Blu Ray is just as dead. The whole concept of optical media is dead. Honestly, who is still burning CD's or DVD's nowadays? (If you are, why for Christ sake? I can't think of a single good reason) And at 10 euros ($100) for a single Blu Ray disk, you must...
Jonas Hietala
Regex substitution with unicode in Haskell While remaking the site I noticed my automatic embedding of bare youtube links sometimes didn’t...
over a year ago
3
over a year ago
While remaking the site I noticed my automatic embedding of bare youtube links sometimes didn’t work. The culprit was unicode in the document which the regex library couldn’t handle. Apparently while this would be supported by default by almost all modern languages it’s not the...
./techtipsy
Monitoring energy usage with smart plugs, Prometheus and Grafana This post isn’t a detailed line-by-line tutorial on how to set up each individual piece of the setup...
7 months ago
116
7 months ago
This post isn’t a detailed line-by-line tutorial on how to set up each individual piece of the setup as those types of guides tend to get out of date really easily, but if you know your way around Linux and the command line, then you can definitely replicate this setup on your...
Willem's Blog
Tablet as main computer I have been using a tablet as my main computer for quite some time now. In this blog post I share...
over a year ago
2
over a year ago
I have been using a tablet as my main computer for quite some time now. In this blog post I share you my experience on using Surface Pro and iPad Pro to get my work done.
Jonas Hietala
We can build things! Finally we have some sort of progress! We can now build rooms and place and remove objects! Yay!!...
over a year ago
2
over a year ago
Finally we have some sort of progress! We can now build rooms and place and remove objects! Yay!! But we still haven’t even begun with the game logic, resource management, the actual mining mechanic, multiple levels, actual tasks for our workers. But it’s something.
Style over Substance
How to build your own Goodman ZONE camera, part 2 The Goodman ZONE is a medium-format 3D-printed film camera designed by Dora Goodman as part of her...
over a year ago
57
over a year ago
The Goodman ZONE is a medium-format 3D-printed film camera designed by Dora Goodman as part of her range of open-source camera models, using the existing Mamiya Press lens series for glass and the Mamiya RB67 backs to hold film. She sells pre-printed kits that contain all the...
Jonas Hietala
Zucchini Crabcakes With a tiny bit more planning I made a dinner out the lessons 4 and 5 as the crabcakes were only...
over a year ago
3
over a year ago
With a tiny bit more planning I made a dinner out the lessons 4 and 5 as the crabcakes were only supposed to be an appetizer: Crabcakes: Surprisingly delicious. Both me and Veronica gives them a 7. Zucchini: While I thought they passed Veronica said “Zucchini is not my thing” and...
Willem's Blog
Protecting VMware ESXi In response to a possible security breach on a VMware ESXi host machine, I search for a way to...
over a year ago
3
over a year ago
In response to a possible security breach on a VMware ESXi host machine, I search for a way to improve security of the management console using NGINX and a firewall
Jonas Hietala
Early Christmas Present School is almost over and it’s almost time to travel back up to Övertorneå. This year me and...
over a year ago
3
over a year ago
School is almost over and it’s almost time to travel back up to Övertorneå. This year me and Veronica opened our Christmas presents a bit early - we’re impatient like that. I got one of the best presents yet I think! A Raspberry Pi! Just look at this bad boy! She got some...
Opsbros
WetSocks Revival How to get a broken METAR/TAF Toolbar application working again; the fun way! Seeing what we can do...
over a year ago
3
over a year ago
How to get a broken METAR/TAF Toolbar application working again; the fun way! Seeing what we can do to get WetSocks Windows 98 tray weather app working again.
Vitalik Buterin's...
An approximate introduction to how zk-SNARKs are possible
over a year ago
Louwrentius
I switched my blog from Blogofile to Pelican This blog is a static website, which makes it fast, simple and secure. It was generated by Blogofile...
over a year ago
3
over a year ago
This blog is a static website, which makes it fast, simple and secure. It was generated by Blogofile but I switched to Pelican. Blogofile has seen almost no updates over the years and I consider the project dead. Realising that blogofile is dead, I decided to look around for...
Electronics etc…
The HP 423A and a Beginner’s Deep Dive into RF Crystal Detectors MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [...
a year ago
72
a year ago
MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [ ['$', '$'], ["\\(", "\\)"] ], displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ], processEscapes: true, skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
Matt Mullenweg
Inc Hit Piece When Inc Magazine reached out to have David H. Freedman (website powered by WordPress) write a...
3 days ago
12
3 days ago
When Inc Magazine reached out to have David H. Freedman (website powered by WordPress) write a feature piece I was excited because though Inc wasn’t a magazine I have read much since I was a teenager, David seemed like a legit journalist who usually writes for better publications...
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...
Arduino Blog
Save money by making your own MKR WiFi 1010-powered smart thermostat Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t...
5 months ago
41
5 months ago
Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t cheap and the more affordable models tend to lock you into proprietary ecosystems. But a decent smart thermostat can save you money on energy costs, so you might want to consider this...
Matt Blewitt
Shunn The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts...
6 months ago
3
6 months ago
The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts to publishers. It was created by author William Shunn and is widely used in the publishing industry. Here is a brief demonstration of a tool I wrote to facilitate generating...
Home on Erik...
Luigi success So Luigi, our open sourced workflow engine in Python, just recently passed 1,000 stars on Github,...
over a year ago
3
over a year ago
So Luigi, our open sourced workflow engine in Python, just recently passed 1,000 stars on Github, then shortly after passed mrjob as (I think) the most popular Python package to do Hadoop stuff. This is exciting!
Applied Cartography
Incumbency Andrew Rea with an interesting and increasingly familiar take about how AI will disrupt...
5 months ago
2
5 months ago
Andrew Rea with an interesting and increasingly familiar take about how AI will disrupt software-focused private equity: Distribution and brand moats can protect your legacy products for a while (esp in enterprise) but eventually you get lapped by competitors with better...
Arduino Blog
A gamified approach to therapy and motor skills testing For children who experience certain developmental delays, specific types of physical therapies are...
6 months ago
35
6 months ago
For children who experience certain developmental delays, specific types of physical therapies are often employed to assist them in improving their balance and motor skills/coordination. Ivan Hernandez, Juan Diego Zambrano, and Abdelrahman Farag were looking for a way to quantify...
Vitalik Buterin's...
The Most Important Scarce Resource is Legitimacy
over a year ago
Matt Blewitt
So, You Want To Build A DBaaS So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a...
a year ago
3
a year ago
So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a result, you are making state and coordination your problem. Here are some things I’ve learned to keep in mind as you embark on this project, in no particular order (other than the...
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...
21 hours ago
10
21 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…
Home on Erik...
Stuff that bothers me: “100x faster than Hadoop” The simple way to get featured on big data blog these days seem to be Build something that does 1...
over a year ago
2
over a year ago
The simple way to get featured on big data blog these days seem to be Build something that does 1 thing super well but nothing else Benchmark it against Hadoop Publish stats showing that it's 100x faster than Hadoop $$$ Spark claims their 100x faster than Hadoop and there's a...
Jonas Hietala
Moving to FastMail About two years ago after Lavabit’s shutdown I searched for a replacement email provider. For some...
over a year ago
3
over a year ago
About two years ago after Lavabit’s shutdown I searched for a replacement email provider. For some reason I settled on eumx which I used since then. Yesterday I got an email saying the recurring billing could not be renewed as I had my old credit card registered and it got me...
Vitalik Buterin's...
Convex and Concave Dispositions
over a year ago
Louwrentius
Linux Mac Mini - temperature monitoring with lm-sensors This post is about getting temperature monitoring to work with a Mac Mini running Linux. Using...
over a year ago
3
over a year ago
This post is about getting temperature monitoring to work with a Mac Mini running Linux. Using Debian Lenny, out of the box, lm-sensors is not working. No sensors can be found. This is how temperature monitoring and fan speed monitoring can be made to work: modprobe applesmc If...
Willem's Blog
And... there is light! Discover how one cyclist's quest for the perfect lighting solution led to a custom installation of...
a year ago
2
a year ago
Discover how one cyclist's quest for the perfect lighting solution led to a custom installation of dynamo powered lights, ensuring a bright and hassle-free ride on the darkest roads.
Notes on software...
Writing a simple JSON parser Writing a JSON parser is one of the easiest ways to get familiar with parsing techniques. The format...
over a year ago
2
over a year ago
Writing a JSON parser is one of the easiest ways to get familiar with parsing techniques. The format is extremely simple. It's defined recursively so you get a slight challenge compared to, say, parsing Brainfuck; and you probably already use JSON. Aside from that last point,...
Notes on software...
Writing an x86 emulator from scratch in JavaScript: 1. a stack and register machine Better yet, take a look at this post walking through emulating x86 ELF binaries in Go: Emulating...
over a year ago
3
over a year ago
Better yet, take a look at this post walking through emulating x86 ELF binaries in Go: Emulating linux/AMD64 userland: interpreting an ELF binary 2. system calls In this post we'll create a small virtual machine in JavaScript and use it to run a simple C program compiled...
Ken Shirriff's blog
Talking to memory: Inside the Intel 8088 processor's bus interface state machine In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's...
7 months ago
3
7 months ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history, leading to the success of the x86 architecture. The designers of the IBM PC selected...
Home on Erik...
Some more font links My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site...
over a year ago
3
over a year ago
My blog post about fonts generated lots of traffic – it landed on Hacker News, took down my site while I was sleeping, and then obviously vanished from HN before I woke up. But it also got retweeted by a ton of people.
Push to Prod
How We Built a Self-Healing System to Survive a Terrifying Concurrency Bug At Netflix Our CPUs were dying, the bug was temporarily un-fixable, and we had no viable path forward. Here's...
3 months ago
Christian Selig
Beware UserDefaults: a tale of hard to find bugs, and lost data Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of...
2 months ago
29
2 months ago
Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of pain in both support emails and actually tracking it down, so I want to make others aware of it so they don’t similarly burned. Brief intro For the uninitiated, UserDefaults (née...
Avestura's Blog
An opinion on what's a good general-purpose programming language What features should a programming language have to be ideal, in my opinion?
over a year ago
Jonas Hietala
December Theme: New World Order The The Experimental Gameplay Project drives on with the Art Game theme which will last the rest of...
over a year ago
2
over a year ago
The The Experimental Gameplay Project drives on with the Art Game theme which will last the rest of this year but that’s something we can’t accept! I’ve done my game and I didn’t force myself out from the Haskell world just to do nuthin so here’s a new little theme for me :) What...
Louwrentius
How to determine which process causes IO ? There is a nifty little program called 'iotop'. Iotop is part of Debian or Ubuntu and can be...
over a year ago
3
over a year ago
There is a nifty little program called 'iotop'. Iotop is part of Debian or Ubuntu and can be installed with a simple apt-get. Once you have determined with 'top' that the system is waiting on IO-access, It is nice to know which process is responsibe for this IO. Therefore, you...
Home on Erik...
Pareto efficency Pareto efficiency is a useful concept I like to think about. It often comes up when you compare...
over a year ago
3
over a year ago
Pareto efficiency is a useful concept I like to think about. It often comes up when you compare items on multiple dimensions. Say you want to buy a new TV. To simplify it let's assume you only care about two factors: price and quality.
Home on Erik...
The hacker's guide to uncertainty estimates It started with a tweet: New years resolution: every plot I make during 2018 will contain...
over a year ago
2
over a year ago
It started with a tweet: New years resolution: every plot I make during 2018 will contain uncertainty estimates — Erik Bernhardsson (@bernhardsson) January 7, 2018 Why? Because I've been sitting in 100,000,000 meetings where people endlessly debate whether the monthly number of...
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...
Vitalik Buterin's...
On Radical Markets
over a year ago
Construction Physics
Born Sleeping A personal post about the loss of our son
3 months ago
Jonas Hietala
Moving private repositories to Bitbucket Long overdue, I recently moved my private repositories from Github to Bitbucket. Github is great of...
over a year ago
3
over a year ago
Long overdue, I recently moved my private repositories from Github to Bitbucket. Github is great of courseand they even gave me a free students account and I still host all my public repositories there. Still, Bitbucket has unlimited free private repositories for up to 5 users...
watchTowr Labs -...
Hop-Skip-FortiJump-FortiJump-Higher - Fortinet FortiManager CVE-2024-47575 It’s been a tricky time for Fortinet (and their customers) lately - arguably, even more so than...
a month ago
3
a month ago
It’s been a tricky time for Fortinet (and their customers) lately - arguably, even more so than usual. Adding to the steady flow of vulnerabilities in appliances recently was a nasty CVSS 9.8 vulnerability in FortiManager, their tool for central management of FortiGate...
Notes on software...
Controlled HTML select element in React has weird default UX This is an external post of mine. Click here if you are not redirected.
over a year ago
Posts on Made of...
Record/Replay testing in Sorbet In 2017 and 2018, I (along with Paul Tarjan and Dmitry Petrashko) was a founding member of the...
over a year ago
3
over a year ago
In 2017 and 2018, I (along with Paul Tarjan and Dmitry Petrashko) was a founding member of the Sorbet project at Stripe to build a gradual static typechecking system for Ruby, with the aim of enhancing productivity on Stripe’s millions of lines of Ruby, and eventually producing a...
Notes on software...
Favorite compiler and interpreter resources This is an external post of mine. Click here if you are not redirected.
a year ago
Home on Erik...
Pinterest open sources Pinball Pinterest just open sourced Pinball which seems like an interesting Luigi alternative. There's two...
over a year ago
3
over a year ago
Pinterest just open sourced Pinball which seems like an interesting Luigi alternative. There's two blog posts: Pinball: Building workflow management (from 2014) and Open-sourcing Pinball (from this week). The author has a comment in the comments thread on Hacker News:
Lighthouse Blog
Hidden features
6 months ago
Notes on software...
Tail call elimination In this post we'll explore what tail calls are, why they are useful, and how they can be eliminated...
over a year ago
2
over a year ago
In this post we'll explore what tail calls are, why they are useful, and how they can be eliminated in an interpreter, a compiler targeting C++, and a compiler targeting LLVM IR. Tail calls A tail call is a function call made at the end of a block that returns the value of the...
Simply Explained
Why I don't take sponsorships Last year I made that video in response to a sponsorship offer that I got from various VPN...
over a year ago
3
over a year ago
Last year I made that video in response to a sponsorship offer that I got from various VPN providers. They all told me the same thing: our service is the best way to protect your privacy, and we were hoping you could convey this message in one of your videos.So I decided to do...
Arduino Blog
This small device enables users to feel braille through haptics For the visually impaired community, most of their interactions on mobile phones are confined to...
7 months ago
64
7 months ago
For the visually impaired community, most of their interactions on mobile phones are confined to text-to-speech (TTS) interfaces that read portions of the screen aloud. Dynamic braille displays also exist as a tactile means of communication, but their prices can get close to...
lcamtuf’s thing
Random objects: Guycot & Jarre Early repeating handguns, or another unnecessary excursion into the bowels of history.
6 months ago
Yazin Alirhayim
Getting started with Flutter It used to be that you needed to know Kotlin and Swift to develop apps for both Android and iOS, but...
over a year ago
2
over a year ago
It used to be that you needed to know Kotlin and Swift to develop apps for both Android and iOS, but those days are long gone. Even the fundamental reasons for doing so have changed — some sort of compromise between performance and speed to deployment. React Native apps were...
Louwrentius
'Linux RAID level and chunk size: the benchmarks' Introduction When configuring a Linux RAID array, the chunk size needs to get chosen. But what is...
over a year ago
2
over a year ago
Introduction When configuring a Linux RAID array, the chunk size needs to get chosen. But what is the chunk size? When you write data to a RAID array that implements striping (level 0, 5, 6, 10 and so on), the chunk of data sent to the array is broken down in to pieces, each part...
lcamtuf’s thing
The serious science of trolling LLMs The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would...
5 months ago
1
5 months ago
The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would like to admit.
watchTowr Labs -...
No Way, PHP Strikes Again! (CVE-2024-4577) Orange Tsai tweeted a few hours ago about “One of [his] PHP vulnerabilities, which affects XAMPP by...
6 months ago
3
6 months ago
Orange Tsai tweeted a few hours ago about “One of [his] PHP vulnerabilities, which affects XAMPP by default”, and we were curious to say the least. XAMPP is a very popular way for administrators and developers to rapidly deploy Apache, PHP, and a bunch of other tools, and
Willem's Blog
Using a budget Android as main smartphone I switched to Android to find out how good a budget smartphone performs compared to an expensive...
over a year ago
Simply Explained
Smart lights behind a wall switch (Shelly + ESPHome) Using smart light bulbs means you can no longer use your physical wall switches because the bulbs...
over a year ago
2
over a year ago
Using smart light bulbs means you can no longer use your physical wall switches because the bulbs need constant power. I think that's pretty dumb. Using a physical switch can be way faster than using an app to control the lights.Here's how you can put a Shelly in between the...
Louwrentius
Wake On Lan not working with realtek r8168 card After messing around with different kernels on Debian Lenny, I noticed that my system did no longer...
over a year ago
2
over a year ago
After messing around with different kernels on Debian Lenny, I noticed that my system did no longer respond to WOL packets. The system is using an on-board Realtek R8168 chip which supports wake on lan. After searching and reading i found the problem. The system is using an...
Posts on Made of...
A brief look at Linux's security record After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a...
over a year ago
3
over a year ago
After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a look at a handful of the high-profile privilege escalation vulnerabilities in Linux from the last few years. So, here's a summary of the ones I picked out. There are also a large...
Jonas Hietala
Blogging in Djot instead of Markdown What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps...
10 months ago
3
10 months ago
What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps what is good about Markdown, while revising some of the features that have led to bloat and complexity in the CommonMark spec? John Macfarlane, Beyond Markdown I recently...
Home on Erik...
Language pitch Here's a fun analysis that I did of the pitch (aka. frequency) of various languages. Certain...
over a year ago
3
over a year ago
Here's a fun analysis that I did of the pitch (aka. frequency) of various languages. Certain languages are simply pronounced with lower or higher pitch. Whether this is a feature of the language or more a cultural thing is a good question, but there are some substantial...
Home on Erik...
Benchmark of Approximate Nearest Neighbor libraries Annoy is a library written by me that supports fast approximate nearest neighbor queries. Say you...
over a year ago
3
over a year ago
Annoy is a library written by me that supports fast approximate nearest neighbor queries. Say you have a high (1-1000) dimensional space with points in it, and you want to find the nearest neighbors to some point.
seangoedecke.com RSS...
Writing good technical explanations Software engineering is mainly learning. There is a great demand for technical explanations, and...
over a year ago
3
over a year ago
Software engineering is mainly learning. There is a great demand for technical explanations, and many thousands of books, talks and blog…
Willem's Blog
Cleaning a vintage watch This week I cleaned an automatic vintage watch and fitted it to with a new strap, rediscovering old...
over a year ago
3
over a year ago
This week I cleaned an automatic vintage watch and fitted it to with a new strap, rediscovering old beauty underneath layers of dirt!
Willem's Blog
Your own addressbook and calendar cloud You can setup a CardDAV/CalDAV server to manage your own contacts, addressbook, agenda and task data...
over a year ago
3
over a year ago
You can setup a CardDAV/CalDAV server to manage your own contacts, addressbook, agenda and task data and share it between your devices.
Jonas Hietala
Now we have a Forum In a burst of random energy I made a forum for madeoftree. Well okay I just made an awesome style...
over a year ago
3
over a year ago
In a burst of random energy I made a forum for madeoftree. Well okay I just made an awesome style for the awesome phpBB - the forum itself was up and running in say 10min and the rest of the latest days has been all about customizing. Now it’s finally kinda complete so here it is...
Lighthouse Blog
Overview of content
6 months ago
Lighthouse Blog
Updates April 05
8 months ago
GitButler
GitButler for Windows The GitButler client is now available natively on Windows.
8 months ago
latest projects -...
Simsim Pendant [Concept] Mercurial Medallion
9 months ago
Arduino Blog
Meet Real Robot One V2: A mini DIY industrial robot arm Started in 2022 as an exploration of what’s possible in the field of DIY robotics, Pavel Surynek’s...
5 months ago
27
5 months ago
Started in 2022 as an exploration of what’s possible in the field of DIY robotics, Pavel Surynek’s Real Robot One (RR1) project is a fully-featured 6+1-axis robot arm based on 3D-printed parts and widely available electronics. The initial release was constructed with PETG...
Applied Cartography
You should build this: A prior iteration of this site had a page called "Project ideas" that listed a bunch of things that...
2 months ago
3
2 months ago
A prior iteration of this site had a page called "Project ideas" that listed a bunch of things that I'd like to build. This was a good idea and useful in its own right (I got a few people to build companies and projects based on them, and it was a useful avenue by which folks...
Jonas Hietala
Beebop The Island Hopper It’s here! The stuff of dreams, an entry for the epic Ludum Dare 17 has been made! For those who...
over a year ago
3
over a year ago
It’s here! The stuff of dreams, an entry for the epic Ludum Dare 17 has been made! For those who don’t know it’s a 48 hour game making competition which actually is pretty silly. Even more silly is my two hours of commitment yesterday but late this night at about 03:05 I am now,...
./techtipsy
DIY cloud gaming: NVIDIA and Moonlight As you might have read from my previous post on this topic, I have a pretty neat “cloud” gaming...
over a year ago
28
over a year ago
As you might have read from my previous post on this topic, I have a pretty neat “cloud” gaming setup running. I have one powerful desktop PC, one virtual machine with a GPU attached to it, and client machines that can be used to stream games from. To keep things simple (and...
Louwrentius
Most Technical debt is just bullshit Introduction I made an offhand remark about technical debt to a friend and he interrupted me,...
over a year ago
2
over a year ago
Introduction I made an offhand remark about technical debt to a friend and he interrupted me, saying: "technical debt is just bullshit". In his experience, people talking about technical debt were mostly trying to: cover up bad code cover up unfinished work source1 Calling...
Willem's Blog
Apple Watch as Phone Embark on a digital detox journey as I swap my smartphone for an Apple Watch Ultra, exploring the...
a year ago
3
a year ago
Embark on a digital detox journey as I swap my smartphone for an Apple Watch Ultra, exploring the liberating yet challenging world of wearable tech.
Louwrentius
The impact of the MDADM bitmap on RAID performance Introduction I'm aware that most people with intensive storage workloads won't run those workloads...
over a year ago
3
over a year ago
Introduction I'm aware that most people with intensive storage workloads won't run those workloads on hard drives anymore, that ship has sailed a long time ago. SSDs have taken their place (or 'the cloud'). For those few left who do use hard drives in Linux software RAID setups...
Notes on software...
Bootloader basics I spent a few days playing around with bootloaders for the first time. This post builds up to a text...
over a year ago
3
over a year ago
I spent a few days playing around with bootloaders for the first time. This post builds up to a text editor with a few keyboard shortcuts. I'll be giving a virtual talk based on this work at Hacker Nights on Jan 27. There are a definitely bugs. But it's hard to find...
Notes on software...
Exploring Postgres's arena allocator by writing an HTTP server from scratch This is an external post of mine. Click here if you are not redirected.
a month ago
Posts on Made of...
The Window Manager I Want Since I first discovered ratpoison in 2005 or so, I've basically exclusively used tiling window...
over a year ago
3
over a year ago
Since I first discovered ratpoison in 2005 or so, I've basically exclusively used tiling window managers, going through, over the years, StumpWM, Ion 3, and finally XMonad. They've all had various strengths and weaknesses, but I've never been totally happy with any of them. This...
Arduino Blog
This rolling ball game brings Skee-Ball-style fun from the arcade to your home Ask your friends about their favorite games at the arcade and the most common answer will likely be...
5 months ago
74
5 months ago
Ask your friends about their favorite games at the arcade and the most common answer will likely be Skee-Ball. But while many other popular arcade games have viable at-home alternatives, Skee-Ball doesn’t — at least not unless you’re willing to spend a serious amount of money....
Notes on software...
Checking linearizability in Go You want to check for strict consistency (linearizability) for your project but you don't want to...
a month ago
4
a month ago
You want to check for strict consistency (linearizability) for your project but you don't want to have to deal with the JVM. Porcupine, used by a number of real-world systems like etcd and TiDB, has you covered! Importantly, neither Jepsen projects nor Porcupine can...
Computer Ads from...
Salamander Software's Franklin's Tomb My name is Diamond, Dan Diamond. I'm a private cop.
9 months ago
Vitalik Buterin's...
Situazioni di collusione
over a year ago
Louwrentius
'Tool of the month: iftop - advanced bandwidth monitoring' The utility iftop allows you to monitor bandwidth usage. It is in some sense similar to tools like...
over a year ago
3
over a year ago
The utility iftop allows you to monitor bandwidth usage. It is in some sense similar to tools like iptraf, dstat and bwm-ng. Iftop is more special than those. Because iftop lets you monitor the speed of individual TCP / UDP connections. Basically, you will be able to determine...
Computer Ads from...
ViaGrafix Computer Training Videos Learn...by Simply Watching TV
a month ago
Opsbros
The Bindicator So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it....
over a year ago
3
over a year ago
So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it. The one shown is the Rev-1 design which is far from perfect, in fact it has several major issues I will discuss below, however it definitely works,
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...
Willem's Blog
No, I Won't Build That! Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I...
9 months ago
3
9 months ago
Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I Won't Build That!"
Louwrentius
Apple is killing off the optical drive just like the floppy disk With the release of the new MacBook Air we are one step closer to killing off the cd-rom and the...
over a year ago
3
over a year ago
With the release of the new MacBook Air we are one step closer to killing off the cd-rom and the dvd. As with the previous MacBook Air, this device has no optical drive. And that is a good thing. People do not need an optical drive. You have the network and you have USB disks....
Jonas Hietala
The current T-34 keyboard layout I’ve been documenting my own keyboard layout in a series for a while now. But as the layout is...
over a year ago
3
over a year ago
I’ve been documenting my own keyboard layout in a series for a while now. But as the layout is constantly changing it’s been difficult to piece together how the layout currently looks like, so this post tries to show how the layout looks right now in it’s entirety. If you want to...
Engineers Need Art
Experiments in Printmaking - Part 1 Trying some unconventional techniques to create a pop-art print of a Cherry Mash candy bar.
9 months ago
Jonas Hietala
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...
Arduino Blog
5 ways to use Arduino with kids One of the great things about making is that it really is for everyone — every budget, every skill...
7 months ago
44
7 months ago
One of the great things about making is that it really is for everyone — every budget, every skill level, and every age group. Children are one of the groups that can benefit the most from Arduino. Getting exposed to making and home automation from an early age can be enormously...
Odds and Ends of...
WATCH: Were the US election polls right? My conversation with polling guru Mark Pack
a month ago
latest projects -...
Light comms on the 003 [Hardware] Tiny terrahertz transmissions
4 months ago
Louwrentius
Debian Lenny and Dell R410 network card not supported For those who are running Debian Lenny and want to order the new Dell R410 server, beware! There is...
over a year ago
3
over a year ago
For those who are running Debian Lenny and want to order the new Dell R410 server, beware! There is no safe solution to get Debian Lenny working with the on-board Broadcom network cards. A fairly recent kernel is required. Basically, you will have to install back-ported kernels,...
Jonas Hietala
Site restyle and update I’m not sure how I got started but I recently read an excellent book about typography: Butterick’s...
over a year ago
2
over a year ago
I’m not sure how I got started but I recently read an excellent book about typography: Butterick’s Practical Typography. It’s free and there’s a section Typography in ten minutes if you want the important bits. He makes a pretty good case for why it matters when he points out the...
Notes on software...
The world of PostgreSQL wire compatibility This is an external post of mine. Click here if you are not redirected.
over a year ago
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...
Willem's Blog
Whoop strap review: 24/7 wearable sensor
over a year ago
Neil Madden
API Security in Action handed over to production After a flurry of last-minute corrections and updates in response to review feedback, my book has...
over a year ago
3
over a year ago
After a flurry of last-minute corrections and updates in response to review feedback, my book has now been handed over to Manning’s production team. That means a few weeks of copy editing and graphics polish, then indexing and typesetting to produce the final version around...
Applied Cartography
Migrating someone who's on Stripe Connect Express Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author...
11 months ago
2
11 months ago
Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author has full agency over their account and is the merchant of record; they can revoke OAuth access from Substack (or whomever) at any time; Substack continues to take that 10% as an...
Willem's Blog
Designing an interface for a food ordering page Designing a food ordering page is surprisingly challenging because of the many variables that need...
over a year ago
2
over a year ago
Designing a food ordering page is surprisingly challenging because of the many variables that need to be accommodated on a very small screen.
Electronics etc…
Cable Length Measurement with an HP 8007B Pulse Generator MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [...
a year ago
66
a year ago
MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [ ['$', '$'], ["\\(", "\\)"] ], displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ], processEscapes: true, skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
Applied Cartography
Bluesky is good Three months ago, I wrote Bluesky et al, in which I walked through the various platforms vying for...
a week ago
6
a week ago
Three months ago, I wrote Bluesky et al, in which I walked through the various platforms vying for the dubious title of "Twitter's successor" and landed on Bluesky as being my favorite, perhaps less out of its ostensible inherent virtues and more out of the size of its...
Jonas Hietala
Netrunner Summer Tournament Linköping There was another Netrunner tournament this Sunday with 8 entrants. We had two new legal data packs...
over a year ago
3
over a year ago
There was another Netrunner tournament this Sunday with 8 entrants. We had two new legal data packs with Old Hollywood and The Universe of Tomorrow so a lot of new things were tried. I heard a rumor that a full playset of both Aesop’s Pawnshop and Wyldside were available so I...
Neil Madden
API Security in Action is published! I wasn’t expecting it so quickly, so it caught me a little off guard, but API Security in Action is...
over a year ago
3
over a year ago
I wasn’t expecting it so quickly, so it caught me a little off guard, but API Security in Action is now finally published. PDF copies are available now, with printed copies shipping by the end of the month. Kindle/ePub take a little bit longer but should be out in a few weeks...
Lighthouse Blog
How to import feeds in Lighthouse
8 months ago
Louwrentius
The future of ZFS now that OpenSolaris is dead With the probable loss of OpenSolaris, there may be another, maybe more devastating loss. The very...
over a year ago
2
over a year ago
With the probable loss of OpenSolaris, there may be another, maybe more devastating loss. The very popular and very advanced Zetabyte File System (ZFS) The only open source platform that actively supports ZFS is FreeBSD. And they just 'copied' the code from OpenSolaris. Are they...
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.
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!
GitButler
Git Merge 2024 GitButler is organizing the 2024 Git Merge conference, Sep 19/20 in Berlin!
5 months ago
Home on Erik...
Interview with a Data Scientist: Erik Bernhardsson I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is...
over a year ago
3
over a year ago
I was featured in Peadar Coyle's interview series interviewing various “data scientists” – which is kind of arguable since (a) all the other ppl in that series are much cooler than me (b) I'm not really a data scientist.
Home on Erik...
Luigi talk tomorrow At NYC Data Science meetup! Unfortunately the space is full but the talk will be livestreamed –...
over a year ago
2
over a year ago
At NYC Data Science meetup! Unfortunately the space is full but the talk will be livestreamed – check out the meetup web page for a link tomorrow.
axio.ms
Internet of kitchen lighting, with OSC This project was completed in June 2015. Wow, is it 2017 already? In this post, I’d like to say...
over a year ago
2
over a year ago
This project was completed in June 2015. Wow, is it 2017 already? In this post, I’d like to say that I wrote a useful little bit of software and built up a crappy hack to demonstrate it but, secretly, the crappy hack came first and I’ve retroactively found something vaguely...
Home on Erik...
HubSpot's Picture Shows how to Maintain Monocultures in the 21st Century I thought this article about the company culture at HubSpot is kind of funny. “HubSpot's Awesome...
over a year ago
2
over a year ago
I thought this article about the company culture at HubSpot is kind of funny. “HubSpot's Awesome Presentation Shows how to Create a 21st Century Culture”. Just FYI: You're not different. You're a bunch of white hipsters aged 25-30 dressed up in the same theme.
seangoedecke.com RSS...
What kind of work I want This article is to help recruiters, hiring managers and myself have a better idea of the kind of...
over a year ago
2
over a year ago
This article is to help recruiters, hiring managers and myself have a better idea of the kind of places I’d like to work. The short version…
Jonas Hietala
The eBook for 'Why Cryptocurrencies?' is now available for free The eBook for my book Why Cryptocurrencies? is now available for free. It’s been almost 4 years...
10 months ago
3
10 months ago
The eBook for my book Why Cryptocurrencies? is now available for free. It’s been almost 4 years since the web version was done, and 3 since the physical copy was available… Which can hardly be called a success. Things happened, so let’s do a quick retrospective to, maybe, learn...
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,...
Simply Explained
Retrospective: My Fifth Year on YouTube For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the...
over a year ago
2
over a year ago
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the new year. This year is no exception, but now I try to set better goals while reflecting on some personal things in life.
Louwrentius
My home lab server with 20 cores / 40 threads and 128 GB memory Update fall 2024 I have decided to decomission this machine and it is no longer in use. As of this...
over a year ago
3
over a year ago
Update fall 2024 I have decided to decomission this machine and it is no longer in use. As of this moment, it's replaced by a cluster of four 1L PCs which use about a third of the idle power usage and boot within 20 seconds. The single-core performance of these low-power 1L PCs...
computers are bad
2023-07-15 underwater ears everywhere Programming note: the subscribe link was broken for a while because I am bad at computers (yet...
a year ago
46
a year ago
Programming note: the subscribe link was broken for a while because I am bad at computers (yet another case of "forgot to enable the systemd unit"). It's fixed now. The unsubscribe link was also broken and is now fixed but, you know, maybe that was a feature. Did wonders for...
Home on Erik...
Annoy Annoy is a simple package to find approximate nearest neighbors (ANN) that I just put on Github. I'm...
over a year ago
3
over a year ago
Annoy is a simple package to find approximate nearest neighbors (ANN) that I just put on Github. I'm not trying to compete with existing packages, but Annoy has a couple of features that makes it pretty useful.
Vitalik Buterin's...
收入-邪恶曲线:思考“公共物品融资优先”的另一种方式
over a year ago
Arduino Blog
A riddle wrapped in an enigma… made easy, with Arduino Plug and Make Kit The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea...
a month ago
22
a month ago
The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea that technology is a “black box” reserved for experts. With its snap-together system, this kit gives everyone – beginners and seasoned makers alike – the power to create and...
Simply Explained
How I Structure My ESPHome Config Files I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know...
over a year ago
3
over a year ago
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know they can run ESPHome.ESPHome is a modular firmware that you have to configure with YAML files. You define what components it should load and how it should talk to the hardware of...
Computer Ads from...
American Heart Association A PSA and an Ad
a month ago
Old Vintage...
Composite and hard reset mods for the Tandyvision One I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my...
2 weeks ago
19
2 weeks ago
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my literal first game console: the Tandyvision One, Tandy Radio Shack's label variant of the Mattel Intellivision Master Component. The Mattel Intellivision proper originally hails...
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.
./techtipsy
How I fixed one hardware issue with another one I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac motherboard that used to run fine, but ever...
over a year ago
23
over a year ago
I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac motherboard that used to run fine, but ever since I installed one UEFI update, it has had this one annoying issue: whenever you reboot, it gets stuck at POST. Cold boots work fine and the shutdown-and-push-the-power-button...
Louwrentius
Creating configuration backups of HP procurve switches I've created a tool called procurve-watch. It creates a backup of the running switch configuration...
over a year ago
3
over a year ago
I've created a tool called procurve-watch. It creates a backup of the running switch configuration through secure shell (using scp). It also diffs backed up configurations against older versions, in order to keep track of changes. If you run the script from cron every hour or...
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...
Odds and Ends of...
How to fix The Observer Slow news is good news?
3 weeks ago
Vitalik Buterin's...
Endgame
over a year ago
Ian's Blog
Hardware-Protected Apple Distribution Certificates Using a YubiKey iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning...
a year ago
3
a year ago
iOS and macOS developers will be familiar with the dreaded distribution certificate, a codesigning certificate issued to you by Apple for signing your release artifacts before you distribute them. Protecting that signing key is important, as Apple must blindly trust any binaries...
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...
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...
Lighthouse Blog
Updates June 14
6 months ago
Louwrentius
How to setup a local or private Ubuntu Mirror Preface In this article I provide instructions on how to setup a local Ubuntu mirror using...
a year ago
2
a year ago
Preface In this article I provide instructions on how to setup a local Ubuntu mirror using debmirror. To set expectations: the mirror will work as intended and distribute packages and updates, but a do-release upgrade from one major version of Ubuntu to the next won't...
./techtipsy
Why I went back to using a ThinkPad from 2012 This post is inspired by this article from the Low-tech Magazine. I highly recommend giving that a...
over a year ago
35
over a year ago
This post is inspired by this article from the Low-tech Magazine. I highly recommend giving that a read as well! Over my lifetime, I’ve used a bunch of different computers, mainly due to new ideas and requirements popping into my mind every time I’m content with my current setup....
Home on Erik...
The software engineering rule of 3 Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need...
over a year ago
3
over a year ago
Here's a dumb extremely accurate rule I'm postulating* for software engineering projects: *you need at least 3 examples before you solve the right problem*. This is what I've noticed: Don't factor out shared code between two classes.
Jonas Hietala
Giving the blog a facelift When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed...
a year ago
2
a year ago
When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed me: It wasn’t pretty (even ugly in some parts). No dark mode support. Some elements were broken, for instance images or code blocks overlapping the header when it was floating to the...
Posts on Made of...
Design for Testability When designing a new software project, one is often faced with a glut of choices about how to...
over a year ago
3
over a year ago
When designing a new software project, one is often faced with a glut of choices about how to structure it. What should the core abstractions be? How should they interact with each other? In this post, I want to argue for a design heuristic that I’ve found to be a useful guide to...
Willem's Blog
One year on the ultimate commuter bike Answering questions from one of the most popular posts of last year, I am reviewing my commuter bike...
over a year ago
3
over a year ago
Answering questions from one of the most popular posts of last year, I am reviewing my commuter bike after one year of extensive use through winter and summer.
Old Vintage...
The Fossil Wrist PDA becomes a tiny Gopher client (with Overbite Palm 0.3) I don't always often wear watches. But when I do, I prefer Palm PDAs. Wired to my wrist. all...
a year ago
52
a year ago
I don't always often wear watches. But when I do, I prefer Palm PDAs. Wired to my wrist. all about Palm devices on the Internet. It turns out there's a reason for that, and we're going to patch the operating system so we can make the Fossil Wrist PDA into what may be the...
Posts on Made of...
Graceful behavior at capacity Suppose we’ve got a service. We’ll gloss over the details for now, but let’s stipulate that it...
a year ago
3
a year ago
Suppose we’ve got a service. We’ll gloss over the details for now, but let’s stipulate that it accepts requests from the outside world, and takes some action in response. Maybe those requests are HTTP requests, or RPCs, or just incoming packets to be routed at the network layer....
Arduino Blog
Reimagining the chicken coop with predator detection, Wi-Fi control, and more The traditional backyard chicken coop is a very simple structure that typically consists of a...
4 months ago
57
4 months ago
The traditional backyard chicken coop is a very simple structure that typically consists of a nesting area, an egg-retrieval panel, and a way to provide food and water as needed. Realizing that some aspects of raising chickens are too labor-intensive, the Coders Cafe crew decided...
Notes on software...
io_uring basics: Writing a file to disk King and I wrote a blog post about building an event-driven cross-platform IO library that...
a year ago
2
a year ago
King and I wrote a blog post about building an event-driven cross-platform IO library that used io_uring on Linux. We sketched out how it works at a high level but I hadn't yet internalized how you actually code with io_uring. So I strapped myself down this week and wrote...
computers are bad
2023-03-24 docker Lately I tend to stick to topics that are historic by at least twenty years, and that does have a...
a year ago
62
a year ago
Lately I tend to stick to topics that are historic by at least twenty years, and that does have a lot of advantages. But I am supposedly a DevOps professional, and so I will occasionally indulge in giving DevOps advice... or at least opinions, which are sort of like advice but...
Vitalik Buterin's...
A Guide to 99% Fault Tolerant Consensus
over a year ago
latest projects -...
LED Matrix Earrings [Hardware] Itsy bitsy teeny weeny yellow dot-matrix LED
10 months ago
Jonas Hietala
Summer job at Configura This is a wrap up of my 5 weeks at Configura as a summer internship. There were 6 interns and we had...
over a year ago
3
over a year ago
This is a wrap up of my 5 weeks at Configura as a summer internship. There were 6 interns and we had two teams doing different things. I worked with two other awesome guys and it was great! The Premise We had two assignments this summer. One was to create an optimized version of...
somenice
CBC Spark with Nora Young Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in...
6 months ago
46
6 months ago
Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in June 2024. (Announcement episode) One of the most intelligent, progressive technology-in-society news shows in Canada or anywhere for that matter. Perhaps that it’s medium is radio...
Ken Shirriff's blog
Inside an IBM/Motorola mainframe controller chip from 1981 In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip,...
5 months ago
2
5 months ago
In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip, I need to give some background on mainframes. (I didn't completely analyze the chip, so don't expect a nice narrative or solid conclusions.) Die photo of the Motorola/IBM SC81150...
Arduino Blog
The Club Master is a Nano RP2040 Connect-powered device that improves your golf swing When playing golf, few things are as important as using the correct form when swinging, since even...
6 months ago
45
6 months ago
When playing golf, few things are as important as using the correct form when swinging, since even small deviations can be the difference between a hole-in-one and additional strokes. To improve his game, Concept Bytes has designed a small clip-on device called the “Club Master.”...
Vitalik Buterin's...
Proof of Stake FAQ
over a year ago
Jonas Hietala
Vacation Finally back from a 2 week vacation up at Övertorneå. It’s been pretty great to be taken care of and...
over a year ago
3
over a year ago
Finally back from a 2 week vacation up at Övertorneå. It’s been pretty great to be taken care of and not doing anything. Well, I did get my ass kicked in Terra Mystica and I played a bit of Minecraft, but still. We got some nice food and my in-laws and my parents were nice. I’m...
Louwrentius
Getting the Sitecom AC600 Wi-Fi adapter running on Linux TL;DR Yes it works with some modifications of the driver source. A USB Wi-Fi adapter I used with a...
over a year ago
3
over a year ago
TL;DR Yes it works with some modifications of the driver source. A USB Wi-Fi adapter I used with a Raspberry Pi broke as I dropped it on the floor, so I had to replace it. I just went to a local shop and bought the Sitecom AC600 adapter as that's what they had available (with...
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...
csvbase blog
From Shell to Excel - with a little bit of HTTPS Write once, read everywhere
4 months ago
Matt Blewitt
Point and Call It’s 2AM. You’re paged to respond to a failing set of components that you are the Subject Matter...
over a year ago
3
over a year ago
It’s 2AM. You’re paged to respond to a failing set of components that you are the Subject Matter Expert (SME) for. Sleepy, you load up the playbook for when the SplineReticulatorBlocked alert has gone off, and start executing. The Incident Commander (IC) is vaguely aware of what...
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...
Computer Ads from...
Ergotron's MacTilt MacTilt is the Solution
3 weeks ago
Matt Blewitt
Software Sprezzatura Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says...
over a year ago
3
over a year ago
Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says appear to be without effort and almost without any thought about it”, coined by Castiglione in 1528’s The Book of the Courtier.
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...
Louwrentius
How to escape file names in bash shell scripts After fighting with Bash for quite some time, I found out that the following code provides a nice...
over a year ago
3
over a year ago
After fighting with Bash for quite some time, I found out that the following code provides a nice basis for escaping special characters. Ofcource it is not complete, but the most important characters are filtered. If anybody has a better solution, please let me know. It works and...
Gwern.net Newsletter
November newsletter November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1...
over a year ago
3
over a year ago
November 2020 gwern.net newsletter with links on DL and genomics scaling, dark mode rewrite, 1 essay, and 1 opera review ('The Ring' cycle).
Vitalik Buterin's...
Some personal user experiences
a year ago
csvbase blog
There are 665 open licences, most are pretty rubbish you are in a maze of twisty licences, all alike
3 months ago
Jonas Hietala
My first rust Contribution The problem with open-source for most people isn’t writing code, but it’s all the other things. How...
over a year ago
3
over a year ago
The problem with open-source for most people isn’t writing code, but it’s all the other things. How shall I push my changes? How do I handle git? What should I do? I was the same and I actually dreaded my awesome summer job, just a little bit, because now I’m supposed to...
Good Enough
TIL: Use randomness to prevent email trimming With conversation threading (which almost everyone has enabled), Gmail was trimming the bottom of...
a year ago
3
a year ago
With conversation threading (which almost everyone has enabled), Gmail was trimming the bottom of the emails we send with our new app because they were too similar to the other emails in the conversation thread. They’re similar because that’s just the link to get back into the...
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...
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...
Old Vintage...
So thieves broke into your storage unit - again If you've been wondering why entries have been a little slow lately, let me tell you a story. All...
2 months ago
35
2 months ago
If you've been wondering why entries have been a little slow lately, let me tell you a story. All collectors tend to be a bit obsessive by nature, and us classic computer nerds probably pick up more hardware than we can (or should) store in our residence — especially if the...
Vitalik Buterin's...
Binius: highly efficient proofs over binary fields
7 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...
Birchtree
All the games I played in 2024, reviewed I love movies, but I really love games as well, so I figured I may as well follow up my 2024 movies...
5 days ago
18
5 days ago
I love movies, but I really love games as well, so I figured I may as well follow up my 2024 movies of the year post with something similar for games. I’m not going to rank these, but I’ll give a few words on each one
Construction Physics
Does All Semiconductor Manufacturing Depend on Spruce Pine Quartz? Here’s an idea you see spreading across the internet every so often: that all semiconductor and...
a month ago
28
a month ago
Here’s an idea you see spreading across the internet every so often: that all semiconductor and solar PV manufacturing depends on extremely pure quartz from the town of Spruce Pine, North Carolina.
Jonas Hietala
I, Robot Here are the results of the big robot construction course we had before christmas! The whole process...
over a year ago
3
over a year ago
Here are the results of the big robot construction course we had before christmas! The whole process went smooth and our group was amazing. The design and building of the robot went well even though in hindsight I would’ve changed a lot of stuff. The ending competition didn’t go...
Vitalik Buterin's...
Endnotes on 2020: Crypto and Beyond
over a year ago
GitButler
GitButler is joining the Open Source Pledge GitButler is joining the Open Source Pledge to help move towards a more sustainable open source...
3 months ago
Electronics etc…
Tesla’s FSD - First and Last Impressions TLDR: It’s a useless technology demo. Introduction Rules of Engagement Test Ride 1: from Kings Beach...
7 months ago
108
7 months ago
TLDR: It’s a useless technology demo. Introduction Rules of Engagement Test Ride 1: from Kings Beach to Truckee (11 miles) Test Ride 2: I-80 from Truckee to Blue Canyon (36 miles) Test Ride 3: from West-Valley College to I-85 Entrance (1 mile) Conclusion Introduction In the past...
Vitalik Buterin's...
Understanding PLONK
over a year ago
computers are bad
2023-10-09 prolific counterfeiting I'm working on a side project right now, one of several, which involves telematics devices...
a year ago
74
a year ago
I'm working on a side project right now, one of several, which involves telematics devices (essentially GPS trackers with i/o) from a fairly reputable Chinese manufacturer. The device is endlessly configurable and so, like you see with a lot of radios, it has a UART for...
./techtipsy
Steam local network game transfers are a game-changer Steam recently launched a new feature: local network game transfers. The idea is simple: if you have...
a year ago
61
a year ago
Steam recently launched a new feature: local network game transfers. The idea is simple: if you have a game downloaded on another PC and you’re both on the same local network, then Steam can download game data from that PC, avoiding the need to download the game over public...
computers are bad
2024-08-31 ipmi I am making steady progress towards moving the Computers Are Bad enterprise cloud to its new home,...
3 months ago
38
3 months ago
I am making steady progress towards moving the Computers Are Bad enterprise cloud to its new home, here in New Mexico. One of the steps in this process is, of course, purchasing a new server... the current Big Iron is getting rather old (probably about a decade!) and here in...
Louwrentius
Why the iPad will be a breakthrough in human computing The fact is that computers aren't made for humans. Computers are just made, and humans have to...
over a year ago
3
over a year ago
The fact is that computers aren't made for humans. Computers are just made, and humans have to adjust to them. The problem is that most people that are not into technology just don't understand how computers work. Should I single click of double click? Click left or right? The...
Style over Substance
Adding night shading to a Home Assistant mini-graph-card chart One of my favorite Lovelace interface cards for Home Assistant is the mini-graph-card by kalkih....
over a year ago
94
over a year ago
One of my favorite Lovelace interface cards for Home Assistant is the mini-graph-card by kalkih. It’s the card running most of the graphs in our smart home‘s dashboard. Surprisingly, mini-graph card is actually not included in Home Assistant by default – honestly, it should be,...
Neil Madden
Towards a standard for bearer token URLs In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include...
over a year ago
2
over a year ago
In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include credentials in a URL?, I raised the possibility of standardising a new URL scheme that safely allows encoding a bearer token into a URL. This makes it more convenient to use lots of...
Willem's Blog
Write your own words Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for...
a month ago
4
a month ago
Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for human creativity.
Jonas Hietala
Dbot So I made a small irc bot in 294 characters in code-golfing language #1: Perl. Usage perl...
over a year ago
3
over a year ago
So I made a small irc bot in 294 characters in code-golfing language #1: Perl. Usage perl Dbot Commands .name - Echo the bots name .hello - Output “hello world!” .src - Dump the source code Code use IO::Socket;$s=IO::Socket::INET->new("158.38.8.251:6667");sub o{print$s...
latest projects -...
LED Industrial Piercing [Hardware] Illuminated circuit inside a hypodermic
a year ago
Jonas Hietala
My MCU movie ranking I did the MCU Movie Re-Watch again this year in preparation for Avengers: Endgame. I wasn’t a huge...
over a year ago
3
over a year ago
I did the MCU Movie Re-Watch again this year in preparation for Avengers: Endgame. I wasn’t a huge MCU fan before doing the same re-watch for Infinity War, but after that I became one. For fun I tried to rank the movies as I saw them, this is some sort of accounting my rankings...
Posts on Made of...
Security doesn't respect abstraction boundaries The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a...
over a year ago
3
over a year ago
The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a set of useful, easily-described behaviors out of a complex system, we can build other systems on top of those pieces, without having to understand to worry about the full complexity...
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
Focusing Attention: Programming These last two weeks have been a small attempt at clearing up my head a bit. I have far too many...
over a year ago
3
over a year ago
These last two weeks have been a small attempt at clearing up my head a bit. I have far too many things I’d like to do and even if it’s not possible to do them all at once it didn’t stop me from thinking of them. One minute it’s that and the other it’s something completely...
Arduino Blog
RIoT Secure joins Arduino’s SIPP as Gold Partner We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership...
6 months ago
65
6 months ago
We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership Program at the Gold level. Founded in 2017 in Stockholm, Sweden, RIoT Secure is at the forefront of IoT security, especially in regards to resource-constrained microcontrollers,...
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...
detreville
Father's Day (First posted on Father's Day, 2022.)
a year ago
./techtipsy
Strangling your service with a Kubernetes misconfiguration This is a quick story about a fun discovery that I made a while ago. For legal reasons, all of this...
over a year ago
40
over a year ago
This is a quick story about a fun discovery that I made a while ago. For legal reasons, all of this is made up and no such service ever existed. Once upon a time, we had this Java service that handled all the backend work that you’d expect to occur for a product with a web...
Home on Erik...
Slides from NYC Machine Learning talk Slides from the talk. Slightly edited because (a) some of the slides make little sense taken out of...
over a year ago
3
over a year ago
Slides from the talk. Slightly edited because (a) some of the slides make little sense taken out of context (b) Slideshare seem to have problem converting some of the stuff. Collaborative filtering at Spotify from Erik Bernhardsson
Willem's Blog
Monolithic vs Microservices software architecture This week I flew to Gothenburg to talk about enterprise software architecture, read along to learn...
over a year ago
3
over a year ago
This week I flew to Gothenburg to talk about enterprise software architecture, read along to learn about choosing the right architecture for your app development
computers are bad
2024-05-06 matrix For those of you who are members of the Matrix project, I wanted to let you know that I am running...
7 months ago
121
7 months ago
For those of you who are members of the Matrix project, I wanted to let you know that I am running for the Governing Board, and a bit about why. For those of you who are not, I hope you will forgive the intrusion. Maybe you'll find my opinions on the topic interesting anyway. I...
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,...
Jonas Hietala
February gets Themed: Rejection The Experimental Gameplay Project has announced their next theme - and shame on me if I wouldn’t...
over a year ago
3
over a year ago
The Experimental Gameplay Project has announced their next theme - and shame on me if I wouldn’t follow suite! With valentine coming up I might just have found a pretty nice idea, just now, writing this… Booyah!!
lcamtuf’s thing
A 15-minute intro to hobby CNC In which the author tilts at windmills for a brief while.
3 months 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...
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.
GitButler
The New Era of Town Hall Chat We're moving from Slack to Discord so we can involve our community more. Here's how we did it and...
3 months ago
3
3 months ago
We're moving from Slack to Discord so we can involve our community more. Here's how we did it and more importantly, why.
Home on Erik...
Ping the world I just pinged a few million random IP addresses from my apartment in NYC. Here's the result: Some...
over a year ago
3
over a year ago
I just pinged a few million random IP addresses from my apartment in NYC. Here's the result: Some notes: What's going on with Sweden? Too much torrenting? Ireland is likewise super slow, but not Northern Ireland Eastern Ukraine is also super slow, maybe not surprising given...
Jonas Hietala
Preventing Firefox from creating Desktop directories With a fresh firefox installation I found that it kept creating a ~/Desktop directory. But I found...
over a year ago
3
over a year ago
With a fresh firefox installation I found that it kept creating a ~/Desktop directory. But I found how to turn it off. Edit ~/.config/user-dirs.dirs...
Jonas Hietala
Minecraft Server Hosting I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring...
over a year ago
3
over a year ago
I play the phenomena that is Minecraft on and off. Sometimes the laid back building or the exploring is just what I need. Sometimes I can challange myself to build cool complex stuff and I’m even an avid follower of Doc’M and Etho and the other mindcrackers over at the youtube....
Louwrentius
Monitor power usage with your UPS If a system is connected to a UPS (Uninterruptible Power Supply), it is possible to determine how...
over a year ago
3
over a year ago
If a system is connected to a UPS (Uninterruptible Power Supply), it is possible to determine how much power it consumes. For this purpose, I wrote a small script: Host:~# ./ups.sh UPS model: Back-UPS RS 1200 LCD APC model: Back-UPS RS 1200 LC Capacity: 720 Watt Load: 18...
Jonas Hietala
Ludum Dare 17 - an hour or two into it I decided to participate in the Ludum Dare this time, even though I’ve spent the whole day on a...
over a year ago
2
over a year ago
I decided to participate in the Ludum Dare this time, even though I’ve spent the whole day on a massage course (which by the way was pretty darn good), and about halfway there this is what I’ve done: Chockingly… ugly All is not what meets the eye though, I’ve got the basics done...
Notes on software...
Benchmarking esbuild, swc, tsc, and babel for React/JSX projects This is an external post of mine. Click here if you are not redirected.
over a year ago
Lighthouse Blog
Updates April 12
8 months ago