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Vitalik Buterin's...
An incomplete guide to stealth addresses
a year ago
Lighthouse Blog
Updates January 12
12 months ago
Posts on Made of...
Using wpa_supplicant on Debian/Ubuntu I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that...
over a year ago
8
over a year ago
I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that it’s pretty close to what I want for managing wireless — closer than anything else I’ve found, at least. I figured I should document my setup and experiences. Some Background You...
Louwrentius
Please use ZFS with ECC Memory In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a...
over a year ago
7
over a year ago
In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a NAS. I would argue that if you do not use ECC memory, it's reasonable to also forgo on ZFS altogether and use any (legacy) file system that suits your needs. Why ZFS? Many people...
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
7
over a year ago
Designing a food ordering page is surprisingly challenging because of the many variables that need to be accommodated on a very small screen.
Jonas Hietala
November Theme: Art Game Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t...
over a year ago
4
over a year ago
Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t been “my” themes: I’ve been following their lead and their themes and this month is no exception. This months’ apparently a big theme - Art. It’s even a collaboration with a big...
Vitalik Buterin's...
Gitcoin Grants Round 6 Retrospective
over a year ago
Computer Ads from...
NCR PC4i Growing with your needs
2 weeks ago
Arduino Blog
Patrol the pool with this Arduino Nano-powered DIY RC submarine There is something inherently intriguing about submarines that doesn’t seem to apply to other...
5 months ago
55
5 months ago
There is something inherently intriguing about submarines that doesn’t seem to apply to other vehicles. Maybe that reflects our natural fears and phobias, or maybe it is a result of our curiosity about the mysterious depths. Maybe it is simply that most of us will never get the...
Notes on software...
Finding memory leaks in Postgres C code This is an external post of mine. Click here if you are not redirected.
9 months ago
Good Enough
TIL: Turbo Frames DoEvery.Day calendar navigation was broken. We built it using Turbo Rails as it was being developed....
a year ago
6
a year ago
DoEvery.Day calendar navigation was broken. We built it using Turbo Rails as it was being developed. As we have updated libraries, including Rails, the API has changed. In order to get the calendar navigation working again, I had to pull out some old hacks that made use of...
Vitalik Buterin's...
預測市場:一個選舉小故事(2021年 二月)
over a year ago
./techtipsy
Turning leftover PC parts into a decent gaming PC Introduction About a year ago, I bought an used PC based off of a Lenovo Erazer X510. It had a...
over a year ago
35
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...
Louwrentius
Configuring SCST iSCSI target on Debian Linux (Wheezy) My goal is to export ZFS zvol volumes through iSCSI to other machines. The platform I'm using is...
over a year ago
2
over a year ago
My goal is to export ZFS zvol volumes through iSCSI to other machines. The platform I'm using is Debian Wheezy. There are three iSCSI target solutions available for Linux: LIO IET SCST I've briefly played with LIO but the targetcli tool is interactive only. If you want to...
Home on Erik...
About
over a year ago
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
5
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...
./techtipsy
I encourage you to write a blog It’s been over 4 years since my first post on this blog. During those 4 years I’ve written over 90...
4 months ago
42
4 months ago
It’s been over 4 years since my first post on this blog. During those 4 years I’ve written over 90 posts, received over 1 million clicks, a dozen legitimate reader e-mails and thousands of spam e-mails. And I love it! I’ve found that writing can be very fulfilling and I encourage...
Good Enough
TIL: Tapback Keyboard Shortcuts If you use Mac, and you use Messages on your Mac, you will probably know that in the not-too-distant...
a year ago
4
a year ago
If you use Mac, and you use Messages on your Mac, you will probably know that in the not-too-distant past, simple reactions to messages were added: what Apple calls Tapbacks. These are great for a quick way to say yes (or no, or WTF!?!), but they are a bit of a pain to actually...
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
4
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
Food vacation in Japan Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of...
over a year ago
6
over a year ago
Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of pictures, but I ended up sending a bunch back home as a ways of keeping my family up to date. When I look back most of them are about food… So I’ll turn this into a post about the...
computers are bad
2023-07-10 the tragedy of beatrice foods Occasionally, research into the history of telephony takes you into some strange places. There are...
a year ago
71
a year ago
Occasionally, research into the history of telephony takes you into some strange places. There are conspiracy theories, of course, and there are people who insist on their version of events so incessantly that details of dates and places can become heated arguments. There is also...
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
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
6
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...
Notes on software...
Walking through a basic Racket web service Racket is an impressive language and ecosystem. Compared to Python, Racket (an evolution of Scheme...
over a year ago
4
over a year ago
Racket is an impressive language and ecosystem. Compared to Python, Racket (an evolution of Scheme R5RS is three years younger. It is as concise and expressive as Python but with much more reasonable syntax and semantics. Racket is also faster in many cases due in part to: JIT...
Christian Selig
Server side Live Activities guide iOS 17.2 gained the capability to start Live Activities from a server, which is pretty cool and...
3 months ago
54
3 months ago
iOS 17.2 gained the capability to start Live Activities from a server, which is pretty cool and handy! I’ve been playing around with it a bit and found some parts a bit confusing, so I thought I’d do a little write up for future me as well as anyone else who could benefit! (For...
Willem's Blog
Lessons from a takeaway plastic bag How we're tricked into repeated purchases replacing perfectly fine products just for the sake of...
over a year ago
Simply Explained
ESP-IDF: Storing AWS IoT certificates in the NVS partition (for OTA) When using AWS IoT Core, most tutorials will tell you to include device certificates in your...
over a year ago
5
over a year ago
When using AWS IoT Core, most tutorials will tell you to include device certificates in your firmware. While that does work, it means you won't be able to run over-the-air updates.In this post, I'll show how to store AWS certificates in the NVS partition. This will make it...
Jonas Hietala
Installing Krita on Slackware 14.1 This is a guide on how to build Krita on Slackware 14.1. This is based on this guide for...
over a year ago
4
over a year ago
This is a guide on how to build Krita on Slackware 14.1. This is based on this guide for linux. removepkg calligra Install some dependencies from Slackbuilds. gsl libgexiv2 libpqxx pstoedit Get Krita. The original guide recommends building in ~/kde4 but I moved i to...
Willem's Blog
Talking tablets: what makes a great tablet? Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be...
over a year ago
4
over a year ago
Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be your main computer?
Lighthouse Blog
Improvements and fixes: December 2024
a week ago
Nabeel S. Qureshi
How To Understand Things The smartest person I’ve ever known had a habit that, as a teenager, I found striking...
over a year ago
Good Enough
How We Built Unique Social Preview Images for Pika One of the goals of Pika, the happy blogging software that we recently launched, is to help you find...
11 months ago
6
11 months ago
One of the goals of Pika, the happy blogging software that we recently launched, is to help you find your own place on the internet. Along with a nice place on the internet, when you share links to your blog we want them to represent your internet home, which you've likely taken...
Yazin Alirhayim
The Meem app: it sucks If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a...
over a year ago
6
over a year ago
If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a virtual 🏦 branch. That’s fitting, because you know what my impression of meem is as a user? When I open up their app, it feels like walking into a crowded butcher shop, with...
Jonas Hietala
MenuCity This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty...
over a year ago
7
over a year ago
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty much held to what I planned for - except that it deviated from the theme -again- a bit. My game is very reminiscent of the old calculator classic Block Dude made by Brandon...
Good Enough
Thoughts On Thoughts It’s time for a revolution. Too long have we, collectively and individually, been tyrannized by our...
a year ago
6
a year ago
It’s time for a revolution. Too long have we, collectively and individually, been tyrannized by our thoughts and what we believe about them. Or perhaps we can think of this as an intervention. This post is the circle of friends gathered to help us stop hitting ourselves in the...
Jonas Hietala
2014 in Review Previous reviews: 2010, 2011, 2012 and 2013. 2014 Geek Achievements Solved 73 UVa problems. Won a...
over a year ago
6
over a year ago
Previous reviews: 2010, 2011, 2012 and 2013. 2014 Geek Achievements Solved 73 UVa problems. Won a turn in IMPA and solved a bunch of problems. Completed a doctorand course about algorithmic problem solving. Finished my 4 first years in University. Became a contributor to rust and...
Home on Erik...
Presentations about Spotify music recommendations A couple of people in my old team have been around talking about how Spotify does music...
over a year ago
6
over a year ago
A couple of people in my old team have been around talking about how Spotify does music recommendations and put together some quite good presentations. First one is Neville Li's presentation about Scala Data Pipelines @ Spotify:
csvbase blog
Being on The Semantic Web is easy, and, frankly, well worth the bother Web 3.0 was not about the blockchain, thank god
4 months ago
Arduino Blog
“Catch me if you can!” — How Alvik learns to dodge trouble with AI, featuring Roni Bandini Have you ever discovered a cool piece of tech buried in your drawer and thought, “This could make...
3 months ago
31
3 months ago
Have you ever discovered a cool piece of tech buried in your drawer and thought, “This could make for an awesome project”? That’s exactly what happened to Roni Bandini, maker, writer, electronics artist – and Arduino Alvik Star!  Bandini began coding at 10 years old, and has...
Matt Blewitt
Movement for Engineers Until we get get to be chromed-up cyborgs, we’re stuck with our meat bodies, and like many things,...
a year ago
4
a year ago
Until we get get to be chromed-up cyborgs, we’re stuck with our meat bodies, and like many things, they need regular maintenance. Here is a brief introduction to keeping your body moving as someone who spends a lot of time sitting down.
Odds and Ends of...
How to fix The Observer Slow news is good news?
a month ago
Engineers Need Art
Apple Interview (1995) Recalling my somewhat unusual interview with Apple back in 1995.
over a year ago
Posts on Made of...
Two Perspectives on the End-to-End Principle Back when I was an undergraduate, as part of a class called “Computer Systems Engineering”, we read...
over a year ago
7
over a year ago
Back when I was an undergraduate, as part of a class called “Computer Systems Engineering”, we read numerous classic papers of systems design. I enjoyed and learned a great deal from many of these papers, but one that paper that has stuck with me in particular was Saltzer et al’s...
Style over Substance
CANARY Corrugated Cardboard Cutter The CANARY corrugated cardboard cutter is definitely in my top 10 list of most useful purchases...
over a year ago
78
over a year ago
The CANARY corrugated cardboard cutter is definitely in my top 10 list of most useful purchases ever. During the COVID-19 lockdowns, we all started shopping online a lot more. The number of cardboard boxes in our house basically quadrupled overnight and cutting them down to size...
Louwrentius
Neato XV-15 / XV-11 Robotic Vacuum cleaner review Update 18 February 2012 There is one problem. When the robot is not connected to the charger, the...
over a year ago
6
over a year ago
Update 18 February 2012 There is one problem. When the robot is not connected to the charger, the batteries are depleted very fast. Even if the batteries are not entirely depleted and the robot can still display the menu, the clock loses it's time. Every time the robot gets a too...
Vitalik Buterin's...
Na colusão
over a year ago
Louwrentius
ZFS RAIDZ expansion is awesome but has a small caveat Introduction Update April 2023: It has been fairly quiet since the announcement of this feature. The...
over a year ago
4
over a year ago
Introduction Update April 2023: It has been fairly quiet since the announcement of this feature. The Github PR about this feature is rather stale and people are wondering what the status is and what the plans are. Meanwhile, FreeBSD has announced In February 2023 that they...
Arduino Blog
Synjets provide non-contact haptic feedback If the COVID pandemic showed us anything, it is that our public spaces are overflowing with...
7 months ago
88
7 months ago
If the COVID pandemic showed us anything, it is that our public spaces are overflowing with opportunity for germ transmission. In 2019, most people didn’t think twice about touching a gas pump handle or an ATM touchscreen, but it quickly became apparent that such contact presents...
./techtipsy
Anything's a portable speaker if you're brave enough I hate buying things that are single-purpose, which is why I ended up with this setup. Take a...
over a year ago
61
over a year ago
I hate buying things that are single-purpose, which is why I ended up with this setup. Take a speaker, a battery, put them together, and what you now have is a portable speaker. Since I had access to both, I felt no need to buy a separate portable speaker for use in social...
Jonas Hietala
Design for Hackers I get these.. urges sometimes. Not like Dexter no, but sometimes I just have to buy a specific...
over a year ago
5
over a year ago
I get these.. urges sometimes. Not like Dexter no, but sometimes I just have to buy a specific thing. It happened again yesterday (or was it the day before I don’t know) when I saw this post on hackernews. It’s a book this time, again, but this is something a little different -...
Old Vintage...
An Apple district manager's Macintosh Portable in 1989-91 (featuring GEIS AppleLink and a look at... a late prototype Macintosh Portable. But it turns out it's not merely notable for what it is than...
10 months ago
78
10 months ago
a late prototype Macintosh Portable. But it turns out it's not merely notable for what it is than what it has on it: a beta version of System 6.0.6 (the doomed release that Apple pulled due to bugs), Apple sales databases, two online services — the maligned Mac Prodigy client,...
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
13
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...
Arduino Blog
What if robots could communicate with humans by emitting scents? Almost all human-robot interaction (HRI) approaches today rely on three senses: hearing, sight, and...
6 months ago
59
6 months ago
Almost all human-robot interaction (HRI) approaches today rely on three senses: hearing, sight, and touch. Your robot vacuum might beep at you, or play recorded or synthesized speech. An LED on its enclosure might blink to red to signify a problem. And cutting-edge humanoid...
Good Enough
Having Trouble Getting Started? Pair Up! A body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on...
a year ago
7
a year ago
A body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on by a net external force. Sir Isaac Newton I often find that just getting started is the hardest part of doing something. This is especially true when the project is large or...
Willem's Blog
Search like a pro: Google search operators Read along for a comprehensive list of advanced Google search operators that allow you to filter...
over a year ago
4
over a year ago
Read along for a comprehensive list of advanced Google search operators that allow you to filter your search results.
Arduino Blog
A beautiful custom calculator built with IV-12 VFD tubes Nixie tubes have been the go-to option for makers looking for retro display aesthetics for many...
7 months ago
66
7 months ago
Nixie tubes have been the go-to option for makers looking for retro display aesthetics for many years, because their distinct orange glow carries a lot of vintage appeal. But VFD (vacuum fluorescent display) tubes have been gaining in popularity recently and have different —...
Jonas Hietala
Entering Pintos First week of school is over and it’s been full throttle from the start, in a good way. We’re having...
over a year ago
4
over a year ago
First week of school is over and it’s been full throttle from the start, in a good way. We’re having four courses and for once I like them all. We have an interesting math course, a useful course “Software Development in Theory” (boring but useful) and a big project course where...
Opsbros
JSON and PowerShell Working with Object-based arrays in PowerShell can be a challenge; but here's a trick that will...
over a year ago
8
over a year ago
Working with Object-based arrays in PowerShell can be a challenge; but here's a trick that will allow you to manipulate these objects efficiently.
Jonas Hietala
Settled on an unoriginal idea I think I’ve decided what to do. Some very slight progress has been made.
over a year ago
Willem's Blog
Building a professional 72TB NAS This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read...
over a year ago
6
over a year ago
This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read this post to see how this was done!
Opsbros
Debug Header After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor...
over a year ago
6
over a year ago
After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor driver connected to a Raspberry Pi, I thought a breakout header might help; so I whipped up this little board.
./techtipsy
ThinkPad as a server: the follow-up It’s been a while since I last wrote about my ThinkPad T430 that was tasked with being a home...
a year ago
58
a year ago
It’s been a while since I last wrote about my ThinkPad T430 that was tasked with being a home server. After doing some experiments with my setup a couple of times, it is once again the main server for all my self-hosting needs. However, this time I have made some...
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
4
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.
Arduino Blog
Agitating homemade PCBs with ease If you want to make PCBs at home and you don’t happen to own a CNC mill, then you’ll probably need...
3 months ago
36
3 months ago
If you want to make PCBs at home and you don’t happen to own a CNC mill, then you’ll probably need to turn to chemical etching. Use one of several different techniques to mask the blank PCB’s copper that you want to keep, then toss the whole thing into a bath to dissolve away the...
Birchtree
That app could probably be a website P. Martin Ortiz writing for Rogue Engine: Your App Should Have Been a Website Some companies push...
5 days ago
13
5 days ago
P. Martin Ortiz writing for Rogue Engine: Your App Should Have Been a Website Some companies push for app installations because they gain access to more permissions than they would in the browser. Apps allow them to collect more data and track user activity, often under the...
Louwrentius
'Secure programming: how to implement user account management' Most web applications work like this: The application uses a single database account to perform all...
over a year ago
4
over a year ago
Most web applications work like this: The application uses a single database account to perform all actions. Users are just some records in a table. Account privileges and roles are part of this table, or separate tables. This implies that all security must be designed and build...
Home on Erik...
Calculating cosine similarities using dimensionality reduction This was posted on the Twitter Engineering blog a few days ago: Dimension Independent Similarity...
over a year ago
4
over a year ago
This was posted on the Twitter Engineering blog a few days ago: Dimension Independent Similarity Computation (DISCO) I just glanced at the paper, and there's some cool stuff going on from a theoretical perspective. What I'm curious about is why they didn't decide to use...
Arduino Blog
Meet the CapibaraZero, a multifunctional security and hacking tool based on the Nano ESP32 In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and...
a month ago
37
a month ago
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and security professionals alike for their small size and wide array of hacking tools. Inspired by the functionality of the FlipperZero, Project Hub user ‘andreockx’ created a similar...
Vitalik Buterin's...
Quadratic Payments: A Primer
over a year ago
Louwrentius
Setting up a Squid proxy with Clamav anti-virus using c-icap Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer...
over a year ago
6
over a year ago
Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer presenting a different set of challenges, requiring different skill sets and technology. So every layer will increase the time and effort to compromise your environment. A...
Willem's Blog
Replacing a Shimano shift cable After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and...
over a year ago
9
over a year ago
After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and needed replacement. Read my blog post to learn how to do this yourself.
Posts on Made of...
Versioning dotfiles in git I’ve been looking for a good solution for versioning and synchronizing my dotfiles between machines...
over a year ago
6
over a year ago
I’ve been looking for a good solution for versioning and synchronizing my dotfiles between machines for some time. I experimented with keeping all of ~ in subversion for a while, but it never worked out well for me. I’ve finally settled on a solution that I like using git, and so...
Applied Cartography
Notebook as marketing primitive Earlier this week, I stumbled upon this brilliant marketing-slash-documentation idea from...
2 months ago
11
2 months ago
Earlier this week, I stumbled upon this brilliant marketing-slash-documentation idea from SingleStore — notebooks as a first-party page! There are a handful of nice things about this idea: Very easy to fan out. You're not going to really run out of sample notebooks from which you...
Arduino Blog
3D printing an affordable robot arm  If you have an interest in robotics, then a robot arm is a great educational tool to start your...
5 months ago
40
5 months ago
If you have an interest in robotics, then a robot arm is a great educational tool to start your journey. But professional robot arms are expensive and the DIY route is more informative anyway. That’s especially true if you take the time to design the arm yourself, as did Oliver...
Jonas Hietala
Extracting schedule information from timeedit At LIU we use timeedit to track our schedules. Recently they updated their interface and improved...
over a year ago
4
over a year ago
At LIU we use timeedit to track our schedules. Recently they updated their interface and improved some parts. It’s now possible to create a prenumeration of a collection of courses exported as csv which can then be imported to other calendar apps. But they also started to...
Vitalik Buterin's...
A CBC Casper Tutorial
over a year ago
Louwrentius
Determining smartphone market share using wireless sniffing I started a project to see if I could track smartphone users by sniffing for wifi-clients. Most...
over a year ago
6
over a year ago
I started a project to see if I could track smartphone users by sniffing for wifi-clients. Most smartphones support wifi and most people don't bother disabling wifi when they go outdoors1. If wifi is left on, it is possible to detect these smartphones and track their movement. To...
Azad's Blog
Traveling with Apple Vision Pro The Vision Pro has quickly become an essential item that I take onto every flight. It’s a fantastic...
3 months ago
8
3 months ago
The Vision Pro has quickly become an essential item that I take onto every flight. It’s a fantastic device to travel with—Be it by train or by plane, it offers an unparalleled opportunity to selectively tune out your environment and sink into an engaging activity like watching a...
Louwrentius
Benchmarking storage with Fio and generating charts of the results Introduction Fio is a widely-used tool for performing storage benchmarks. Fio offers a lot of...
over a year ago
4
over a year ago
Introduction Fio is a widely-used tool for performing storage benchmarks. Fio offers a lot of options to create a storage benchmark that would best reflect your needs. Fio allows you to assess if your storage solution is up to its task and how much headroom it has. Fio outputs...
Jonas Hietala
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
4
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...
Notes on software...
Generating a full-stack application from a database DBCore can now generate a TypeScript/React CRUD UI that is automatically hooked up to the generated...
over a year ago
5
over a year ago
DBCore can now generate a TypeScript/React CRUD UI that is automatically hooked up to the generated REST API (in Go). The UI has full support for login, viewing (and filtering), editing, and creating database entities. PostgreSQL, SQLite and MySQL are supported. How to use? The...
Posts on Made of...
Stripe's monorepo developer environment I worked at Stripe for about seven years, from 2012 to 2019. Over that time, I used and contributed...
7 months ago
5
7 months ago
I worked at Stripe for about seven years, from 2012 to 2019. Over that time, I used and contributed to many generations of Stripe’s developer environment – the tools that engineers used daily to write and test code. I think Stripe did a pretty good job designing and building that...
computers are bad
2023-10-15 go.com Correction: a technical defect in my Enterprise Content Management System resulted in the email...
a year ago
116
a year ago
Correction: a technical defect in my Enterprise Content Management System resulted in the email having a subject that made it sound like this post would be about the classic strategy game Go. It is actually about a failed website. I regret the error; the responsible people have...
Jonas Hietala
Printing Hextraction for my kids A session of Hextraction, a 3D printed board game. I did it. I made something actually useful with...
11 months ago
9
11 months ago
A session of Hextraction, a 3D printed board game. I did it. I made something actually useful with my 3D printer instead of just tinkering with it. I printed Hextraction, a very cool 3D printed board game for my kids—and they love it. Hextraction is a gamified marble run, where...
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...
3 months ago
40
3 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...
somenice
CircuitPython in 2025 This post is a wishlist for CircuitPython in 2025. Each year Adafruit asks the community to...
5 days ago
28
5 days ago
This post is a wishlist for CircuitPython in 2025. Each year Adafruit asks the community to contribute their thoughts or requests for the open source microcontroller language as outlined on the Adafruit blog. In 2025 I would like a library for working with vectors, similar to...
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
4
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...
Vitalik Buterin's...
My techno-optimism
a year ago
Notes on software...
Learning a new codebase: hacking on nginx I have never contributed to nginx. My C skills are 1/10. But downloading the source, hacking it up,...
over a year ago
6
over a year ago
I have never contributed to nginx. My C skills are 1/10. But downloading the source, hacking it up, compiling it, and running it doesn't scare me. This post is to help you overcome your own fears about doing so. Not necessarily because you should be running out-of-tree diffs in...
Arduino Blog
Prototype faster and smarter in 2025: Meet the Arduino Pro Portenta Proto Kit Launching today at CES 2025, the Arduino Pro Portenta Proto Kit is here to revolutionize how...
3 days ago
18
3 days ago
Launching today at CES 2025, the Arduino Pro Portenta Proto Kit is here to revolutionize how professionals approach prototyping. Designed to empower engineers, designers, and innovators from all walks of life, this kit provides everything you need to turn your ideas into...
Abort Retry Fail
The History of Windows 3 Windows becomes competitive
a year ago
Arduino Blog
Harness the power and connectivity of your Arduino UNO R4 WiFi with this IoT lamp It can be tough to get started with building an Internet of Things (IoT) project from the ground-up,...
7 months ago
48
7 months ago
It can be tough to get started with building an Internet of Things (IoT) project from the ground-up, as getting connected, serving a webpage, and managing other devices can all be a challenge to a beginner. This is why the YouTuber known as “Mario’s Ideas” made an end-to-end...
Arduino Blog
The new Auxivo EduExo Pro helps students with exoskeleton research Emerging technologies initially develop at a slow pace and that is due in large part to the lack of...
5 months ago
40
5 months ago
Emerging technologies initially develop at a slow pace and that is due in large part to the lack of resources available to students. Complex technology is built on existing knowledge and higher education students need the tools to gain hands-on experience. To help educate the...
Louwrentius
Google DNS - what to think of it? Google now provide an open DNS service. At first I was scared that they use their service to get...
over a year ago
5
over a year ago
Google now provide an open DNS service. At first I was scared that they use their service to get information about users. However, their privacy statement tells us that no personal identifiable information is stored for longer than 48 hours. The permanent logs do not contain such...
Simply Explained
Migrating This Blog From Jekyll to Eleventy Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't...
over a year ago
7
over a year ago
Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't looked back. Over the last few months, I have become fed up with Jekyll. It's slowing me down. Time to replace it with something new and shiny!
Jonas Hietala
I beat FTL on Hard with all ships in the game For 2023 I wanted to do something different than usual—I wanted to start playing computer games...
a year ago
7
a year ago
For 2023 I wanted to do something different than usual—I wanted to start playing computer games again. So I gave myself a late Christmas gift and bought a Steam Deck (and like any self-serving gentleman I took care to pitch it as being for my kids) and I started loading it up...
Good Enough
Good Enough Marketing: The Preparation We have a couple of exciting projects—Guestbook! Yay.Boo!—that we want to share with the world. But...
a year ago
4
a year ago
We have a couple of exciting projects—Guestbook! Yay.Boo!—that we want to share with the world. But that’s a difficult task for us because, honestly, we’re terrible not good at self-promotion. We’d rather spend time making things than talking about the things we’ve made. We’d...
Gwern.net Newsletter
August 2020 gwern.net newsletter with an essay on sidenotes; links on human competence, efficient-computing/hardware-overhangs; no...
over a year ago
Posts on Made of...
Some notes on CVE-2010-3081 exploitability Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity...
over a year ago
7
over a year ago
Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity when it was discovered an announced, due to allowing local privilege escalation against virtually all 64-bit Linux kernels in common use at the time. While investigating...
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
6
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.
Computer Ads from...
EPYX's Pitstop Where Winning is the Pits.
6 months ago
Jonas Hietala
Why I still blog after 15 years Time flies when you’re having fun. Before you know it, your little babies have started school, you...
3 months ago
4
3 months ago
Time flies when you’re having fun. Before you know it, your little babies have started school, you celebrate the 30th anniversary of Jurassic Park, and that little blog you started have now been going for 15 years. 15 years is a long time; longer than I’ve been waiting for Winds...
Home on Erik...
Antipodes I was playing around with D3 last night and built a silly visualization of antipodes and how our...
over a year ago
7
over a year ago
I was playing around with D3 last night and built a silly visualization of antipodes and how our intuitive understanding of the world sometimes doesn't make sense. Check out the visualization at bl.ocks.org! Basically the idea is if you fly from Beijing to Buenos Aires then you...
Home on Erik...
Benchmarking nearest neighbor libraries in Python Radim Rehurek has put together an excellent summary of approximate nearest neighbor libraries in...
over a year ago
7
over a year ago
Radim Rehurek has put together an excellent summary of approximate nearest neighbor libraries in Python. This is exciting, because one of the libraries he's covering, annoy, was built by me. After introducing the problem, he goes through the list of contestants and sticks with...
Vitalik Buterin's...
A Note on Metcalfe's Law, Externalities and Ecosystem Splits
over a year ago
seangoedecke.com RSS...
How I ship projects at big tech companies I have shipped a lot of different projects over the last ~10 years in tech. I often get tapped to...
2 months ago
12
2 months ago
I have shipped a lot of different projects over the last ~10 years in tech. I often get tapped to lead new ones when it’s important to get…
Good Enough
TIL: Use touch-action: manipulation; to avoid double-tap-to-zoom Recently we built and launched A Good Enough Guestbook, a place where you can send us doodles and...
a year ago
7
a year ago
Recently we built and launched A Good Enough Guestbook, a place where you can send us doodles and they’ll print out on our little printer. It’s quite lovely and fun, and you should send us a doodle. We might also have more in store for these printers in the future. In the...
Vitalik Buterin's...
A Quick Garbled Circuits Primer
over a year ago
somenice
Generative 3D Modeling Recently Microsoft released the open 3D generation software Trellis. I decided to try a few tests as...
3 weeks ago
42
3 weeks ago
Recently Microsoft released the open 3D generation software Trellis. I decided to try a few tests as reviews had been quite favourable with results creating 3D models with “AI”. The website describes the technology as unified Structured LATent (SLAT) representation and there is a...
computers are bad
2024-09-26 the GE switched services network We currently find ourselves in something of a series, working our way from private lines to...
3 months ago
47
3 months ago
We currently find ourselves in something of a series, working our way from private lines to large private line systems like the four-wire private-line national warning system. Let's continue to build on the concept of the private line into large corporate systems. In principle, a...
Louwrentius
The minimum requirements for a secure system The most secure server system is a system that is not connected to a network and turned off....
over a year ago
4
over a year ago
The most secure server system is a system that is not connected to a network and turned off. However, little work seems to be getting done this way. So we want to turn systems on and connect them to a network, or even (God forbid) the internet. The thing is this. A system...
somenice
CBC Spark with Nora Young Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in...
7 months ago
53
7 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...
Notes on software...
Finishing up a FreeBSD experiment I've been using FreeBSD as my daily driver at work since December. I've successfully done my job and...
over a year ago
4
over a year ago
I've been using FreeBSD as my daily driver at work since December. I've successfully done my job and I've learned a hell of a lot forcing myself on CURRENT... But there's been a number of issues with it that have made it difficult to keep using, so I replaced it with Arch Linux...
Louwrentius
Recovering a lost partition using gpart Even today people do not understand how important it is for the safety of your data to make backups....
over a year ago
6
over a year ago
Even today people do not understand how important it is for the safety of your data to make backups. I was asked to perform some data recovery on a hard drive of an old computer, which still contained important documents and photo's. The first thing I did was to make a disk image...
Christian Selig
The Caldera: a sleek split and wireless keyboard I designed my own keyboard and it’s freely available! I’m calling it the Caldera, and it’s basically...
5 months ago
66
5 months ago
I designed my own keyboard and it’s freely available! I’m calling it the Caldera, and it’s basically my dream wireless split keyboard. I’ve been using it for months, and I love it. Video overview If you’re a visual person, I made a fun little video showcasing the...
Jonas Hietala
The T-34 keyboard layout A couple of months ago I started looking into ergonomical keyboards; mainly split keyboards with...
over a year ago
7
over a year ago
A couple of months ago I started looking into ergonomical keyboards; mainly split keyboards with much fewer keys, like the 36-key Gergoplex and the 44-key Kyria. I may write another post about the reasons why, but long story short I started getting pain in my thumbs, fingers,...
seangoedecke.com RSS...
Is it cynical to do what your manager wants? When I suggest doing what your management chain wants, people call me cynical. Is it cynical to...
2 days ago
9
2 days ago
When I suggest doing what your management chain wants, people call me cynical. Is it cynical to deliberately work on things your company…
Matt Mullenweg
On with Theo / T3.gg On Thursday, a prominent developer, YouTuber, Twitch streamer, and journalist posted a video titled...
3 months ago
8
3 months ago
On Thursday, a prominent developer, YouTuber, Twitch streamer, and journalist posted a video titled This might be the end of WordPress. It was very harsh. In that video you’ll hear him say about me, “he’s a chronic hater” (7:55), “seems like he’s been a pretty petty bastard for a...
Jonas Hietala
Getting the book into my hands Around a month ago I placed an order for a reference copy of my upcoming book Why Cryptocurrencies?....
over a year ago
4
over a year ago
Around a month ago I placed an order for a reference copy of my upcoming book Why Cryptocurrencies?. I took the cheapest shipping option at IngramSpark, without tracking and, apparently, without customs declarations as it got stuck in customs for several weeks. But it’s here...
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...
10 months ago
7
10 months ago
Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I Won't Build That!"
computers are bad
2023-10-09 prolific counterfeiting I'm working on a side project right now, one of several, which involves telematics devices...
a year ago
77
a year ago
I'm working on a side project right now, one of several, which involves telematics devices (essentially GPS trackers with i/o) from a fairly reputable Chinese manufacturer. The device is endlessly configurable and so, like you see with a lot of radios, it has a UART for...
Louwrentius
Firewire: the forgotten security risk The battle between Firewire and USB has been won by USB, but Firewire is still arround. It is not...
over a year ago
6
over a year ago
The battle between Firewire and USB has been won by USB, but Firewire is still arround. It is not that prevalent, cheap computers lack Firewire, but they often have a PCMCIA slot. The thing is this: Firewire allows direct access to all RAM of your computer. An attacker...
Gwern.net Newsletter
September 2020 News September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no...
over a year ago
4
over a year ago
September 2020 gwern.net newsletter with links on DRL and AI scaling, psychiatric disorders; no reviews.
Arduino Blog
Clone your IoT projects with Arduino Cloud Custom Templates Whether you are an IoT enthusiast, an enterprise developer or a high school teacher, we all know the...
5 months ago
55
5 months ago
Whether you are an IoT enthusiast, an enterprise developer or a high school teacher, we all know the thrill of bringing a new IoT project to life. But we also understand the frustration of repetitive setup processes and the time sink of configuring the same elements over and over...
./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...
8 months ago
123
8 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...
Electronics etc…
An In-Depth Look at the ICE-V Wireless FPGA Development Board Introduction The ICE-V Wireless FPGA Board Preloading the PSRAM with User Data The Overall Boot...
over a year ago
67
over a year ago
Introduction The ICE-V Wireless FPGA Board Preloading the PSRAM with User Data The Overall Boot Process UART Console Getting Started with the ICE-V Wireless Board for Real Reinstalling or Modifying the ESP32C3 Firmware The RISC-V Example FPGA Design Compiling the RISC-V Example...
Simply Explained
MAX17043: Battery Monitoring Done Right (Arduino & ESP32) Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's...
over a year ago
5
over a year ago
Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's how to do it properly.
Neil Madden
I still don’t really get “hash shucking” If you want to learn how to store passwords securely, you could do a lot worse than looking at the...
a year ago
7
a year ago
If you want to learn how to store passwords securely, you could do a lot worse than looking at the OWASP Password Storage Cheat Sheet. These cheat sheets are generally pretty good, and the password storage one is particularly good. The editors do a great job of keeping it up to...
Louwrentius
Linux network interface bonding / trunking or how to get beyond 1 Gb/s This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds with a single TCP/UDP...
over a year ago
4
over a year ago
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds with a single TCP/UDP connection. UPDATE July 2011 Due to hardware problems, I was not able to achieve transfer speeds beyond 150 MB/s. By replacing a network card with one from another vendor (HP...
Jonas Hietala
2016 in Review See the previous reviews. 2016 Geek Achievements Placed 2nd in Linköping’s Regional in...
over a year ago
4
over a year ago
See the previous reviews. 2016 Geek Achievements Placed 2nd in Linköping’s Regional in Netrunner. Won a couple of smaller Netrunner tournaments. Got Veronica to play Game of Thrones with us. She beat us and she loved it! Programmed a little bit of Elixir and a tiny bit of front...
Ken Shirriff's blog
The first microcomputer: The transfluxor-powered Arma Micro Computer from 1962 What would you say is the first microcomputer?1 The Apple I from 1976? The Altair 8800 from...
10 months ago
4
10 months ago
What would you say is the first microcomputer?1 The Apple I from 1976? The Altair 8800 from 1974? Perhaps the lesser-known Micral N (1973) or Q1 (1972)? How about the Arma Micro Computer from way back in 1962. The Arma Micro Computer was a compact 20-pound transistorized...
Home on Erik...
How to set compensation using commonsense principles Compensation has always been one of the most confusing parts of management to me. Getting it right...
over a year ago
5
over a year ago
Compensation has always been one of the most confusing parts of management to me. Getting it right is obviously extremely important. Compensation is what drives our entire economy, and you could look at the market for labor as one gigantic resource-allocating machine in the same...
Computer Ads from...
VenturCom's VENIX Mixing REAL Time With REAL UNIX Is Not Magic...It Is Technology.
10 months ago
Louwrentius
Why I Do Use ZFS as a File System for My NAS On February 2011, I posted an article about my motivations why I did not use ZFS as a file system...
over a year ago
6
over a year ago
On February 2011, I posted an article about my motivations why I did not use ZFS as a file system for my 18 TB NAS. You have to understand that at the time, I believe the arguments in the article were relevant, but much has changed since then, and I do believe this article is...
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
Willem's Blog
Cutting Cloud Costs Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud...
a year ago
6
a year ago
Facing sky-high cloud costs, I found software optimisation vital. Discover how I saved 90% on cloud expenses!
axio.ms
A small ode to the CRT Built October 2018 I used to hate Cathode Ray Tubes. As a kid in Europe, everything flickered at...
over a year ago
5
over a year ago
Built October 2018 I used to hate Cathode Ray Tubes. As a kid in Europe, everything flickered at 50Hz, or made a loud whistle at 15.625KHz (back when I could still hear it). CRTs just seemed crude, “electro-brutalist” contraptions from the valve era. They were heavy, and...
Home on Erik...
Business secrets from terrible people I get bored reading management books very easily and lately I've been reading about a wide range of...
over a year ago
4
over a year ago
I get bored reading management books very easily and lately I've been reading about a wide range of almost arbitrary topics. One of the lenses I tend to read through is to see different management styles in different environments.
./techtipsy
The simplicity of the modulo operator: how I scaled an inefficient solution on a legacy system Your service cannot process events fast enough during peak hours. There is no obvious quick and...
a year ago
77
a year ago
Your service cannot process events fast enough during peak hours. There is no obvious quick and dirty fix. Refactoring would take ages. People have been unhappy for a while now. What the hell do you do? Background I had the pleasure of working with a legacy backend system...
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
7
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...
On Life and Lisp
Clip control on the Apple GPU Neverball rendered on the Apple M1 GPU with an open source OpenGL driver After a year in...
over a year ago
11
over a year ago
Neverball rendered on the Apple M1 GPU with an open source OpenGL driver After a year in development, the open source “Asahi” driver for the Apple GPU is running real games. There’s more to do, but Neverball is already playable (and a lot of fun!). Neverball uses legacy “fixed...
Arduino Blog
CapibaraZero: a student’s journey in reinventing hacking tools with Arduino Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a...
a month ago
24
a month ago
Inventive, open-source, and cost-effective – these words perfectly describe CapibaraZero, a multifunctional security and hacking tool developed by young innovator Andrea Canale. Inspired by the popular Flipper Zero, a portable device used to interact with digital systems, Canale...
Jonas Hietala
Writing Home Assistant automations using Genservers in Elixir I’ve been a fan of Home Assistant a while now; it’s a great platform for home automation with its...
3 months ago
10
3 months ago
I’ve been a fan of Home Assistant a while now; it’s a great platform for home automation with its beginner friendly and feature rich UI, support for a ton of different devices and integrations, and there’s a bunch of ways to create automations. But there’s no engine for writing...
Willem's Blog
Rolex DateJust 36 Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like?...
over a year ago
7
over a year ago
Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like? Keep reading!
Jonas Hietala
Going down Ah my first game was so painless so I thought I could do any game I could imagine! Shooters, and...
over a year ago
6
over a year ago
Ah my first game was so painless so I thought I could do any game I could imagine! Shooters, and mario bros kinda stuff. Well now I’m not so upbeat anymore, I’ve worked on this game for 7 days now and it’s not playable at all. With seven days I don’t mean a week, I’ve had a big...
Neil Madden
Multiple input MACs When working with Message Authentication Codes (MACs), you often need to authenticate not just a...
over a year ago
7
over a year ago
When working with Message Authentication Codes (MACs), you often need to authenticate not just a single string, but multiple fields of data. For example, when creating an authenticated encryption mode by composing a cipher and a MAC (like AES-CBC and HMAC), you need to ensure the...
Willem's Blog
WordPress: 10 tips to secure your website A lot of people use WordPress to manage their website. Prevent your site from being hacked using...
over a year ago
4
over a year ago
A lot of people use WordPress to manage their website. Prevent your site from being hacked using this blog post.
Posts on Made of...
Implementing a declarative mini-language in the C preprocessor Last time, I announced Check Plus, a declarative language for defining Check tests in C. This time,...
over a year ago
2
over a year ago
Last time, I announced Check Plus, a declarative language for defining Check tests in C. This time, I want to talk about the tricks I used to implement a declarative minilanguage using the C preprocessor (and some GCC extensions). The Problem We want to write some toplevel...
Willem's Blog
Fighting backscatter spam at server level Deal with backscatter spam by implementing a stringent SMTP delivery policy at MTA level.
over a year ago
Yazin Alirhayim
The Trouble With Optionality Optionality’s one of those things you don’t really think about. People don’t generally wake up one...
over a year ago
4
over a year ago
Optionality’s one of those things you don’t really think about. People don’t generally wake up one morning thinking “Why, it appears I’ve spent the past several decades of my life optimizing for optionality. Perhaps I should figure out why?”. Most don’t even recognize the term –...
Matt Blewitt
Sensibly Default There are two programming principles that I hold dear to my heart: the principle of least surprise...
2 months ago
8
2 months ago
There are two programming principles that I hold dear to my heart: the principle of least surprise and provide sensible defaults. I’ve recently been working within the GraphQL ecosystem, and the number of violations of both here has frustrated me. This will be a little bit ranty.
Vitalik Buterin's...
A Quick Gasprice Market Analysis
over a year ago
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
4
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...
Opsbros
Artemis 1 Countdown I've been following the Artemis 1 Launch Schedule quite closely on a few forums and discussing it...
over a year ago
4
over a year ago
I've been following the Artemis 1 Launch Schedule quite closely on a few forums and discussing it with serveral people, and I had been regularly posting updated DateandTime countdown links for the revised launch attempts. With the schedule chnages and scrubs that have happened...
Louwrentius
Script that deletes old files to keep disk from filling up When a disk has no free space left, all kinds of trouble can occur. Therefore, I've created a...
over a year ago
7
over a year ago
When a disk has no free space left, all kinds of trouble can occur. Therefore, I've created a script that monitors the used space of a volume and deletes the oldest file if a certain threshold is reached. The script will keep on deleting the oldest file present on disk until...
computers are bad
2023-01-29 the parallel port A few days ago, on a certain orange website, I came across an article about an improvised parallel...
a year ago
62
a year ago
A few days ago, on a certain orange website, I came across an article about an improvised parallel printer capture device. This contains the line: There are other projects out there, but when you google for terms such as "parallel port to usb", they drown in a sea of "USB to...
Opsbros
The past lives again! I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons...
over a year ago
8
over a year ago
I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons ago and bring them to the era of the internet.
Home on Erik...
Tumblr's awesome project names Not sure how I managed to miss this, but I'm watching this Tumblr presentation and they talk about...
over a year ago
6
over a year ago
Not sure how I managed to miss this, but I'm watching this Tumblr presentation and they talk about their projects named after Arrested Development topics: Gob, Parmesan, Buster, Jetpants, Oscar, George and Motherboy. Still, the best software project name is probably still Apple's...
Arduino Blog
Massive tentacle robot draws massive attention at EMF Camp Most of the robots we feature only require a single Arduino board, because one Arduino can control...
6 months ago
54
6 months ago
Most of the robots we feature only require a single Arduino board, because one Arduino can control several motors and monitor a bunch of sensors. But what if the robot is enormous and the motors are far apart? James Bruton found himself in that situation when he constructed this...
Lighthouse Blog
Hidden features
7 months ago
Notes on software...
Writing a SQL database from scratch in Go: 1. SELECT, INSERT, CREATE and a REPL Next in database basics: 2. binary expressions and WHERE filters 3. indexes 4. a...
over a year ago
5
over a year ago
Next in database basics: 2. binary expressions and WHERE filters 3. indexes 4. a database/sql driver In this series we'll write a rudimentary database from scratch in Go. Project source code is available on Github. In this first post we'll build enough of a parser to...
Ken Shirriff's blog
Reverse engineering the 59-pound printer onboard the Space Shuttle The Space Shuttle contained a bulky printer so the astronauts could receive procedures, mission...
5 months ago
6
5 months ago
The Space Shuttle contained a bulky printer so the astronauts could receive procedures, mission plans, weather reports, crew activity plans, and other documents. Needed for the first Shuttle launch in 1981, this printer was designed in just 7 months, built around an Army...
Applied Cartography
44% If you spend enough time digesting hackneyed business or self-improvement advice, you've probably...
8 months ago
4
8 months ago
If you spend enough time digesting hackneyed business or self-improvement advice, you've probably seen someone wax poetic about the following image: This is meant to be an illustration of the power of incrementalism (often referred to as kaizen when the writer is trying to be...
Simply Explained
How WebP Images Reduced My Bandwidth Usage by 50% Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP...
over a year ago
4
over a year ago
Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP images to save bandwidth and make this site even faster to load! This simple change reduced my bandwidth usage by 50% and is still backwards compatible with old devices and...
Louwrentius
Linux on Mac Mini - boot after power failure When using a Mac Mini as a server or router, it is very nice if the machine automatically boots if a...
over a year ago
6
over a year ago
When using a Mac Mini as a server or router, it is very nice if the machine automatically boots if a power failure has occurred. User chirhoxi on the ubuntu forum found out how this can be achieved: http://ubuntuforums.org/showthread.php?t=1209576 Basically you need one of these...
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...
a month ago
34
a month 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...
Louwrentius
WFS - WAN Failover Script now available Since I could not find a WAN failover script for Linux to my likening, I wrote one myself. If you...
over a year ago
6
over a year ago
Since I could not find a WAN failover script for Linux to my likening, I wrote one myself. If you have any use for it: I put it on a Google code project. WFS tests the availability of your primary WAN connection and switches to your secondary / backup connection when a failure is...
Good Enough
You Complete Me When Good Enough was in its infancy as a truly American LLC (formed in Delaware and representing one...
a month ago
11
a month ago
When Good Enough was in its infancy as a truly American LLC (formed in Delaware and representing one or two people who were only semi-serious about a business), it was fun to play around with building websites. Shawn and I were truly just playing and exploring, more than anything...
Louwrentius
RAID 5 is perfectly fine for home usage RAID 5 gets a lot of flak these days. You either run RAID 1, RAID 10 or you use RAID 6, but if you...
over a year ago
4
over a year ago
RAID 5 gets a lot of flak these days. You either run RAID 1, RAID 10 or you use RAID 6, but if you run RAID 5 you're told that you are a crazy person. Using RAID 5 is portrayed as an unreasonable risk to the availability of your data. It is suggested that it is likely that you...
Notes on software...
An intuition for distributed consensus in OLTP systems Distributed consensus in transactional databases (e.g. etcd or Cockroach) is a big deal these days....
11 months ago
4
11 months ago
Distributed consensus in transactional databases (e.g. etcd or Cockroach) is a big deal these days. Most often under the hood are variations of log-based Paxos-like algorithms such as MultiPaxos, Viewstamped Replication, or Raft. While there are new variations that come out each...
Notes on software...
Writing a minimal Lua implementation with a virtual machine from scratch in Rust By the end of this guide we'll have a minimal, working implementation of a small part of Lua from...
over a year ago
5
over a year ago
By the end of this guide we'll have a minimal, working implementation of a small part of Lua from scratch. It will be able to run the following program (among others): function fib(n) if n < 2 then return n; end local n1 = fib(n-1); local n2 = fib(n-2); ...
Jonas Hietala
Hard Work I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the...
over a year ago
6
over a year ago
I’ve spent literally the whole day coding and it feels like I’ve only done a small parts of the actual game mechanics… I know this isn’t going to end well. I can allow myself a small pause I feel… Not sure where this is going to end, but I’m having a blast anyway!
Vitalik Buterin's...
Why sharding is great: demystifying the technical properties
over a year ago
Vitalik Buterin's...
Coordination, Good and Bad
over a year ago
Posts on Made of...
Building LLVM in 90 seconds using Amazon Lambda Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines,...
over a year ago
6
over a year ago
Last week, Frederic Cambus wrote about building LLVM quickly on some very large machines, culminating in a 2m37s build on a 160-core ARM machine. I don’t have a giant ARM behemoth, but I have been working on a tool I call Llama, which lets you offload computational work –...
./techtipsy
ThinkPad as a server: third time's the charm This is a follow-up to my two previous attempts on this topic: Can a laptop from 2012 be a viable...
2 months ago
38
2 months ago
This is a follow-up to my two previous attempts on this topic: Can a laptop from 2012 be a viable home server? ThinkPad as a server: the follow-up Since then, I’ve had quite a few changes to my home server setup: I put my home server stuff on an IKEA pegboard I tried the...
Old Vintage...
One-parting some Commodore 64 utilities for fun and profit I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them...
a month ago
39
a month ago
I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them involve some little Commodore 64 games I've had kicking around on the backburner. However, every game needs media assets, and while there are many great tools for doing art on your...
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
4
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...
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
43
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...
Home on Erik...
My favorite management failures For most people straight out of school, work life is a bit of a culture shock. For me it was an...
over a year ago
7
over a year ago
For most people straight out of school, work life is a bit of a culture shock. For me it was an awesome experience, but a lot of the constraints were different and I had to learn to optimize for different things.
Vitalik Buterin's...
Endnotes on 2020: Crypto and Beyond
over a year ago
latest projects -...
Hand-cranked Flux Capacitor [Concept] Control the flow of time
a year ago
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
4
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...
Christian Selig
Qi2 is kinda underwhelming Using MagSafe for portable battery packs has so many niceties versus Qi1: Increased communication...
8 months ago
88
8 months ago
Using MagSafe for portable battery packs has so many niceties versus Qi1: Increased communication with the device, allowing for better efficiency due to better thermal management and charging Easily view the charge percentage of the external battery when first attaching it, and...
Posts on Made of...
Using X forwarding with screen by proxying $DISPLAY If you’re reading this blog, I probably don’t have to explain why I love GNU screen. I can keep a...
over a year ago
5
over a year ago
If you’re reading this blog, I probably don’t have to explain why I love GNU screen. I can keep a long-running session going on a server somewhere, and log in and resume my session without losing any state. I also love X-forwarding. I love being able to log into a remote server...
Jonas Hietala
Good and Bad Programmers Every now and day blog posts about what it takes to be a good programmer or how you figure out if...
over a year ago
4
over a year ago
Every now and day blog posts about what it takes to be a good programmer or how you figure out if someone is a bad programmer arrives. There’s always talk about how you find the good programmers in interviews and the topic is always hot in schools and universities. Today I read...
Louwrentius
Recycle your old laptop display and turn it into a monitor During a cleaning spree I decided that it was time to recycle two old laptops that were just...
over a year ago
11
over a year ago
During a cleaning spree I decided that it was time to recycle two old laptops that were just collecting dust on a shelf for many years. Although I didn't have any purpose for them anymore, I realised that the displays were still perfectly fine. This is the display of my old 13"...
Louwrentius
The security risk of vendor-supplied default SSL certificates Often, software comes supplied with some default SSL certificate, for testing purposes, such as...
over a year ago
6
over a year ago
Often, software comes supplied with some default SSL certificate, for testing purposes, such as those 'snake oil' certificates (they are called snake oil certificates for a reason). In practice, I often encounter usage of such certificates. People may seem to think that as long...
Jonas Hietala
2018 in review A new year and a lingering feeling of not having done enough during the year. A fast review of the...
over a year ago
4
over a year ago
A new year and a lingering feeling of not having done enough during the year. A fast review of the year usually makes me feel better. 2018 non-geek achievements Was on parental leave for about 7 months. It was great although I’ve been crawling up the walls a little the last...
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
6
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...
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...
3 months ago
42
3 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...
Ian's Blog
All About Apache Cassandra: Snapshots The concept of a "Snapshot" In computing, a snapshot is a point-in-time copy of data or state of a...
over a year ago
7
over a year ago
The concept of a "Snapshot" In computing, a snapshot is a point-in-time copy of data or state of a machine. You ever end up doing something like this? Each one of these files is a snapshot, as it's a copy of your essay at the point-in-time when you saved it. Snapshots provide us...
Vitalik Buterin's...
Exploring Fully Homomorphic Encryption
over a year ago
Jonas Hietala
September theme: Failure I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon...
over a year ago
4
over a year ago
I’m out of the busy mode and here’s the new theme! I’ve got an idea and I’ll be beginning very soon I hope and again I’m following Experimental Gameplay Project’s site. Let’s rock!!
axio.ms
Axio.ms site refresh This is the obligatory “first post on new platform” post, coupled with a bit of “first post in 4...
over a year ago
5
over a year ago
This is the obligatory “first post on new platform” post, coupled with a bit of “first post in 4 years, I’m still alive”. The original axio.ms site was a very HTML1.0 affair and while this was kind of intentional-tongue-in-cheek-chic, it was also a PITA to update. It wasn’t...
Good Enough
Cosmic Maelstrom As Barry wrote in his recent blogpost, we're busy building prototypes here at Good Enough. It's...
a year ago
4
a year ago
As Barry wrote in his recent blogpost, we're busy building prototypes here at Good Enough. It's weird to be in this situation. Most of the Good Enough team are used to working on just one software at a time, focusing on steadily improving it. But right now we're doing the...
Willem's Blog
Increase traffic to your blog with a RSS feed Using NodeJS I added RSS feeds to my blog as support for feeds can still provide you with value....
over a year ago
4
over a year ago
Using NodeJS I added RSS feeds to my blog as support for feeds can still provide you with value. Read about the "how" and "why" in this post.
Computer Ads from...
MacWorld Interviews Apple CEO John Sculley (1987) They discuss the future of Apple, personal computing, and the Mac II
a month ago
Lighthouse Blog
Updates March 08
10 months ago
Notes on software...
Controlled HTML select element in React has weird default UX This is an external post of mine. Click here if you are not redirected.
over a year ago
./techtipsy
Disabling the crappy Broadcom Bluetooth adapter in your ThinkPad T430 running Linux You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like 1vyrain, installed a...
over a year ago
40
over a year ago
You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like 1vyrain, installed a better adapter like the Intel Dual Band Wireless-AC 7260, and found that Bluetooth is not working as intended on your ThinkPad T430 running Linux? Here’s a guide on what you can...
Vitalik Buterin's...
為什麼權益證明棒棒的(2020 年十一月)
over a year ago
Lars Lofgren
What Happened After I Outed a Reddit Mod for Affiliate Spam I recently broke down how Reddit mods and users are abusing Google search rankings with affiliate...
4 months ago
6
4 months ago
I recently broke down how Reddit mods and users are abusing Google search rankings with affiliate spam. It’s reddit marketing gone awry. The post blew up and got a decent amount of attention. Then I got a front row seat to how deep of a spam filled porta-potty Reddit has become....
Willem's Blog
Designing my own watch Last month I received my custom made wristwatch from Switzerland, it is a minimalistic mechanical...
over a year ago
7
over a year ago
Last month I received my custom made wristwatch from Switzerland, it is a minimalistic mechanical annual calendar designed to be understated and true to the metal.
Christian Selig
Autonomous Standing Desk and Chair Review Autonomous was nice enough to send me one of both their Smart Desk Pro standing desks and ErgoChair...
a year ago
62
a year ago
Autonomous was nice enough to send me one of both their Smart Desk Pro standing desks and ErgoChair Pro chairs in exchange for posting about them on Twitter, and I wanted to cover them in more detail on my blog as well so I could give my full thoughts on them for anyone in the...
Louwrentius
Raspberry Pi as a router using a single network interface Introduction Disclaimer: this article is intended for consumers and hobbyists. If you want to run...
over a year ago
9
over a year ago
Introduction Disclaimer: this article is intended for consumers and hobbyists. If you want to run your own router at home, the Raspberry Pi 4 Model B1 can be an excelent hardware choice: it's fairly cheap it's fast enough it can saturate it's gigabit network port it is...
Jonas Hietala
Let's build a VORON: Wrap-up It’s finally done™. I’ve built a VORON that prints reliably and I’ve modded it enough to be able to...
10 months ago
7
10 months ago
It’s finally done™. I’ve built a VORON that prints reliably and I’ve modded it enough to be able to leave it alone for a while, so I think it’s time to wrap up this build series with a little retrospective. Building the printer was really fun and rewarding I’ve always seen...
Computer Ads from...
Applied Analytics' MicroSPEED Test-Fly A $20 Million Jet On An Apple? Yes. With MicroSPEED
7 months ago
./techtipsy
I've reached the self-hosting endgame Setup After I had a perfectly functional, quiet and performant server up and running, I fell victim...
over a year ago
30
over a year ago
Setup After I had a perfectly functional, quiet and performant server up and running, I fell victim to my imagination and completely changed my self-hosting setup. Again. Here it is, in all its glory: Well, at least that’s what’s on the table. This machine is a true all-in-one:...
Jonas Hietala
Minor site updates As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started...
over a year ago
4
over a year ago
As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started looking at moving to Pygments as my highlighter. With some searching around I found a blog post about just that! That’s lucky because while I like Haskell, I’ve never really grocked it...
Abort Retry Fail
Housekeeping for 20240701 Another correction
6 months ago
Good Enough
Adding Social Preview Images To Our 11ty Blog Twitter X recently removed headlines and descriptions from link previews, in the name of...
a year ago
4
a year ago
Twitter X recently removed headlines and descriptions from link previews, in the name of “esthetics.” Inspired by Steph Ango, while we try not to run our business on the whims of a social media platform, this change did push us into making a change we’ve been meaning to for...
seangoedecke.com RSS...
How LLMs work Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is...
a year ago
7
a year ago
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is basically a simple one-file C…
Applied Cartography
Order, Tailwind, DRY (Order in the CSS rule sense, not the metaphysical sense.) The time has come to begin exfiltrating...
3 weeks ago
32
3 weeks ago
(Order in the CSS rule sense, not the metaphysical sense.) The time has come to begin exfiltrating some higher-traffic, higher-leverage parts of Buttondown's admin UI away from the autogenerated Django admin and into some more bespoke components. Take, for instance, this rather...
Louwrentius
Thunderbolt, a cheap high-speed storage interconnect? Intel and Apple released Thunderbolt a high-speed (10 Gigabit/s) interface, that seems to replace...
over a year ago
6
over a year ago
Intel and Apple released Thunderbolt a high-speed (10 Gigabit/s) interface, that seems to replace both USB and Firewire. It is mainly targeted at end-user systems allowing to connect peripherals with just a single cable to a computer. Thunderbolt devices, like external hard...
Arduino Blog
A pair of Arduino UNO R4 boards power this Tron-inspired, decked-out shop room Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop...
6 months ago
49
6 months ago
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop renovation project where he is rearranging tools, tidying up various spaces, and even creating a dedicated “clean” room for his collection of 3D printers/electronics work. With its...
Home on Erik...
Looking for smart people I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small...
over a year ago
5
over a year ago
I haven't mentioned what I'm currently up to. Earlier this year I left Spotify to join a small startup called Better. We're going after one of the biggest industries in the world that also turns out to be completely broken.
Abort Retry Fail
The History of Windows NT 4 Taking the Server Market
a year ago
seangoedecke.com RSS...
Porting and hacking Llama2.c for fun and profit Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is...
a year ago
7
a year ago
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is basically a simple one-file C…
Louwrentius
'Zabbix Security: client-server communication seems insecure' Zabbix is a populair tool for monitoring servers, services and network equipment. For monitoring...
over a year ago
6
over a year ago
Zabbix is a populair tool for monitoring servers, services and network equipment. For monitoring hosts, Zabbix provides an agent that can be installed on the hosts that must be monitored. Based on the supplied documentation and some remarks on the internets, the 'security' of...
Willem's Blog
Upgrading a 27-inch iMac 5K to 14 terabytes This month I nearly destroyed my iMac during an attempt to upgrade it. Thanks to determination and...
over a year ago
7
over a year ago
This month I nearly destroyed my iMac during an attempt to upgrade it. Thanks to determination and some spare time I was able to resurrect it from the death!
Notes on software...
RFCs and asynchronous-first culture I hated writing documentation before working on features. But after a while I realized I couldn't...
over a year ago
7
over a year ago
I hated writing documentation before working on features. But after a while I realized I couldn't communicate well enough, even with folks I had a good connection with. It took me a number of mistaken deliveries to get the message. Sketches and mockups Designers solve this by...
Vitalik Buterin's...
Hard Problems in Cryptocurrency: Five Years Later
over a year ago
Jonas Hietala
Speeding Ahead Life is slowly settling down over here. School has started with some pretty interesting stuff this...
over a year ago
5
over a year ago
Life is slowly settling down over here. School has started with some pretty interesting stuff this year. Firstly we have a math analysis course in multiple variables which is ok. I’m not a fan of the previous analysis courses but maybe this will be a bit different. We’re...
Jonas Hietala
Starcraft 2 Keycaps When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure...
over a year ago
4
over a year ago
When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure they cost almost 10x as much as a “regular” one and they didn’t even have these funky multimedia keys, what gives? Did I loose my insanity? It was supposed to give a great typing...
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
7
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,
Jonas Hietala
The current Cybershard layout This is the keyboard layout I’m using for my custom keyboard that I generated, printed, and...
a month ago
9
a month ago
This is the keyboard layout I’m using for my custom keyboard that I generated, printed, and hand-wired. It’s a minimalistic keyboard of 35 keys and features an integrated trackball on the right-hand side. The keyboard layout started out as a direct copy of the T-34 keyboard...
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
4
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...
Lighthouse Blog
How to stay on top of (new) content
7 months ago
Buck on Software
Explaining the growth software sell-off The terminal value double whammy of rising interest rates
over a year ago
Jonas Hietala
Rewriting my Neovim config in Lua This screenshot betrays just how much productive time was wasted setting this up. I’ve got tons of...
a year ago
4
a year ago
This screenshot betrays just how much productive time was wasted setting this up. I’ve got tons of things to do; clean the bathrooms, prototype an idea for a SaaS and ponder world peace. So naturally the procrastination took over and I rewrote my Neovim configuration in...
Vitalik Buterin's...
Understanding PLONK
over a year ago
Computer Ads from...
ProHance Technologies' Power Mouse Even A Totally Souped up PC Is A Dog Without PowerMouse
3 months ago
Notes on software...
An effective product manager There are three specific activities I have loved in some product managers I've worked with (and...
a year ago
6
a year ago
There are three specific activities I have loved in some product managers I've worked with (and missed in others). tldr; Talk with customers and prospects Develop and share a vision Evangelize Talk with customers and prospects As a product manager, your superpower over...
Abort Retry Fail
The History of Commodore, Part 3 Are you keeping up with the Commodore?
a year ago
computers are bad
2024-10-19 land art and isolation Prescript: I originally started writing this with the intent to send it out to my supporter's...
2 months ago
41
2 months ago
Prescript: I originally started writing this with the intent to send it out to my supporter's newsletter, EYES ONLY, but it got to be long and took basically all day so I feel like it deserves wider circulation. You will have to tolerate that it begins in the more conversational...
Arduino Blog
Two NEW Arduino Plug and Make Kit projects recreate iconic vintage games The Plug and Make Kit is a toolbox you can use for infinite ideas. So what happens if you ask a mix...
4 months ago
42
4 months ago
The Plug and Make Kit is a toolbox you can use for infinite ideas. So what happens if you ask a mix of Arduino designers, engineers, and managers to sit down and brainstorm new ideas to have fun with it? Well, at least one of them is guaranteed to come up with an adorable,...
Vitalik Buterin's...
Exploring circle STARKs
5 months ago
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
4
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...
Style over Substance
My new purchase: a Zeiss Ikon Nettar 517/16 Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar...
over a year ago
74
over a year ago
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar folding camera sure is bang for buck! The post My new purchase: a Zeiss Ikon Nettar 517/16 appeared first on Style over Substance.
Simply Explained
Home Energy Monitor: V2 My DIY home energy monitor has been running for almost a year now. It's been recording my...
over a year ago
4
over a year ago
My DIY home energy monitor has been running for almost a year now. It's been recording my electricity consumption every second and everything is neatly archived in my AWS account.Still, though, there is room for improvement. It's time to look back, evaluate & improve the design....
Jonas Hietala
Undo git reset --hard I purposefully and more or less idiotically executed git reset --hard <hash> in hopes of going back...
over a year ago
5
over a year ago
I purposefully and more or less idiotically executed git reset --hard <hash> in hopes of going back a bit. What I didn’t realize then is that you throw away all the commits between now until <hash>. Not quite what was planned. After a bit of panic I found the answer: Find your...
Home on Erik...
State drift I generally haven't written much about software architecture. People make heuristics into religion....
over a year ago
4
over a year ago
I generally haven't written much about software architecture. People make heuristics into religion. But here is something I thought about: how to build in self-correction into systems. This has been something just vaguely sitting in my head lacking a clear conceptual definition...
Vitalik Buterin's...
Review of Optimism retro funding round 1
over a year ago
./techtipsy
How to start your self-hosting adventure: a high-level overview Reddit is a great starting point for getting new ideas for your homelab: racks full of machines in...
over a year ago
33
over a year ago
Reddit is a great starting point for getting new ideas for your homelab: racks full of machines in /r/homelab, storage measured in terabytes (or even petabytes) over at /r/datahoarder, all the different services that people host over at /r/selfhosted. This can be a bit...
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
10
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...
Vitalik Buterin's...
Gitcoin Grants Round 7 Retrospective
over a year ago
Arduino Blog
Does your sample contain DNA or RNA? DIYNAFLUOR can tell you on a budget Lab equipment is — traditionally at least — tremendously expensive. While there are understandable...
3 weeks ago
23
3 weeks ago
Lab equipment is — traditionally at least — tremendously expensive. While there are understandable reasons for those costs, they are prohibitive to anyone operating outside of a university or corporate lab. But as the “citizen science” movement has grown, we’ve seen more and more...
Arduino Blog
This UNO R4 WiFi-controlled device streamlines a restaurant’s online order system Most successful restaurants operating today have to take advantage of online ordering, as a huge...
4 months ago
65
4 months ago
Most successful restaurants operating today have to take advantage of online ordering, as a huge chunk of customers have switched to takeout and delivery. But point-of-sale (POS) systems don’t always integrate well into a kitchen’s workflow and that can lead to missed orders —...
anderegg.ca
Trying out GoodLinks The weeks leading up to the holidays have been hectic. I’m behind on “internet stuff” since entering...
2 weeks ago
34
2 weeks ago
The weeks leading up to the holidays have been hectic. I’m behind on “internet stuff” since entering Christmas-mode, and have been looking for a better way to capture things I want to look at later. I’ve had this issue before, but solved it in an ad-hoc way. Previously I’d made...
Posts on Made of...
reptyr: Attach a running process to a new terminal Over the last week, I’ve written a nifty tool that I call reptyr. reptyr is a utility for taking an...
over a year ago
7
over a year ago
Over the last week, I’ve written a nifty tool that I call reptyr. reptyr is a utility for taking an existing running program and attaching it to a new terminal. Started a long-running process over ssh, but have to leave and don’t want to interrupt it? Just start a screen, use...
Louwrentius
Visual representation of hard drives and their temperature If you build a NAS with many drives, it may be of interest to you which drives get hot and where...
over a year ago
4
over a year ago
If you build a NAS with many drives, it may be of interest to you which drives get hot and where they are located in the chassis. My Norco 4020 case has twenty drives in RAID 6, plus two operating system drives in RAID 1. I wrote a script that shows me the temperature of each...
lcamtuf’s thing
The 8-bit (MCU) manifesto Eight-bit microcontrollers aren't relics; they are a design philosophy. You might want to use them...
7 months ago
6
7 months ago
Eight-bit microcontrollers aren't relics; they are a design philosophy. You might want to use them more.
Jonas Hietala
Robot Project Start So it has begun, the long road until christmas when we’re supposed to have a working warrior robot....
over a year ago
7
over a year ago
So it has begun, the long road until christmas when we’re supposed to have a working warrior robot. We’re gonna do battle with infrared lasers instead of axes but it might be fun anyway. Luckily for me I’m responsible for software and nothing harder than that! w00p! We could...
Notes on software...
The impact of management teams as a decision-making group, in startups and enterprise Ambitious companies form management teams at every level above you, sometimes including you....
over a year ago
6
over a year ago
Ambitious companies form management teams at every level above you, sometimes including you. Management teams meet periodically and have private chat rooms. They discuss customers, product and organizational direction. Sometimes discussions are well documented and...
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
13
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...
Vitalik Buterin's...
On Path Independence
over a year ago
Willem's Blog
Developing a native iOS app How hard can it be to build your own cycling and running workout tracker app using native code with...
8 months ago
6
8 months ago
How hard can it be to build your own cycling and running workout tracker app using native code with some help from AI? Read along to find out!
Posts on Made of...
A Very Subtle Bug 6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for...
over a year ago
7
over a year ago
6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for complex reasons”. As a class about designing and building complex systems, it’s a reminder that failure modes are subtle and often involve strange interactions between multiple parts...
Jonas Hietala
I designed my own keyboard layout. Was it worth it? Almost two and a half years ago I embarked on the journey to change keyboard layout. At first I...
a year ago
8
a year ago
Almost two and a half years ago I embarked on the journey to change keyboard layout. At first I tried out existing ones, but it didn’t take long before I figured it’s better to develop my own—and things went downhill fast from there. (Some) combos of the T-34 layout. But now...
seangoedecke.com RSS...
Building multiplayer games with socket.io and HTML5 Canvas I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps...
over a year ago
6
over a year ago
I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps was a Visual Basic game - I was in…
Jonas Hietala
How I made a kick-ass cover for my self-published book If you want to publish a book, one of the most important things to consider is the cover—after all,...
over a year ago
7
over a year ago
If you want to publish a book, one of the most important things to consider is the cover—after all, we judge the book by the cover. And I did it the universally recommended way: I hired a designer. Simple, right? But real talk; it’s not exactly that simple and I did a bunch of...
Arduino Blog
Is there an online Arduino IDE? Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code...
2 months ago
34
2 months ago
Since the inception of Arduino, the Arduino IDE has been a go-to tool for people learning to code and creating projects ranging from remote-controlled cars to soil moisture monitoring. No wonder it’s been downloaded over 24 million times this year, so far!  Now if you’ve ever...
Nabeel S. Qureshi
Reading Notes on “Lost Time: Lectures on Proust in a Soviet Prison Camp” by Josef Czapski
over a year ago
Notes on software...
The case for comments in code When I first started programming, especially when asked for code samples, my comments lacked purpose...
over a year ago
7
over a year ago
When I first started programming, especially when asked for code samples, my comments lacked purpose and would often duplicate in English what the code clearly indicated. I knew that "commenting is good" but as a beginner I had no further insight. Over time with the help of books...
Notes on software...
Writing a SQL database from scratch in Go: 2. binary expressions and WHERE filters Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a...
over a year ago
4
over a year ago
Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 3. indexes 4. a database/sql driver In this post, we'll extend gosql to support binary expressions and very simple filtering on SELECT results via WHERE. We'll introduce a general mechanism...
Matt Blewitt
7 Languages in 7 Weeks for 2025 It’s been over 14 years since the original 7 Languages in 7 Weeks was first published, giving a...
a month ago
16
a month ago
It’s been over 14 years since the original 7 Languages in 7 Weeks was first published, giving a hands on tour of Ruby, Clojure, Haskell, Io, Scala, Erlang and Prolog. Ruby achieved critical mass, to some degree so did Scala, with the others being popular within their specific...
Christian Selig
Juno for YouTube has been removed from the App Store For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store...
3 months ago
44
3 months ago
For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store stating that Juno does not adhere to YouTube guidelines and modifies the website in a way they don’t approve of, and alludes to their trademarks and iconography. I don’t personally...
./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
38
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....
Notes on software...
Metaprogramming in Zig and parsing CSS I knew Zig supported some sort of reflection on types. But I had been confused about how to use it....
a year ago
7
a year ago
I knew Zig supported some sort of reflection on types. But I had been confused about how to use it. What's the difference between @typeInfo and @TypeOf? I ignored this aspect of Zig until a problem came up at work where reflection made sense. The situation was parsing and storing...
GitButler
Stacked Branches with GitButler GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
a month ago
Louwrentius
Is there an easy and secure way to transfer files? Many organisations just assume that the local physical network is trusted. That their network...
over a year ago
5
over a year ago
Many organisations just assume that the local physical network is trusted. That their network equipment is physically secure and that it is impossible for an attacker to get on the wire and start eavesdropping on network traffic. Many organisations do not seem too concerned about...
Arduino Blog
Venderoo is an Arduino Mega-powered DIY vending machine For now-college student Joel Grayson, making something that combined his interests in mechanics,...
3 months ago
24
3 months ago
For now-college student Joel Grayson, making something that combined his interests in mechanics, electronics, and programming while being simultaneously useful to those around him was a longtime goal. His recent Venderoo project is exactly that, as the creatively named vending...
Jonas Hietala
Beginning Programming I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree...
over a year ago
6
over a year ago
I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree more with. Basically he has these points: Too long Too many examples like “Hello World!” No answers to exercises. Nr 1 is a pretty curious one. Even though I think a book is good,...
Applied Cartography
Talking to customers You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten...
2 months ago
11
2 months ago
You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten through. There are people you haven't persuaded yet. These number mean dial it up. Otherwise you're like the French radical, watching the crowd run by and saying, "There go my people. I...
computers are bad
2024-08-12 a pedantic review of the las vegas loop Did you hear that Elon Musk dug a tunnel under the Las Vegas Convention Center? I think it is pretty...
5 months ago
60
5 months ago
Did you hear that Elon Musk dug a tunnel under the Las Vegas Convention Center? I think it is pretty universally known by now that the "Las Vegas Loop" is impractical, poorly thought out, and generally an embarrassment to society and industry. I will spare an accounting of the...
Odds and Ends of...
Odds and Ends #51: Transport for London made a terrible decision and I hope they reverse it Plus Britain's broken car market, what the LibDems should do next and how some lefty institutions...
2 days ago
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
7
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...
Lighthouse Blog
Updates February 02
11 months ago
Jonas Hietala
2011 in Review It’s time to wrap up the year that’s been. Be warned for slight ego boosting here. 2011 Geek...
over a year ago
4
over a year ago
It’s time to wrap up the year that’s been. Be warned for slight ego boosting here. 2011 Geek Achievements Wrote three games this year: My Minions Grand Thief Arto Sat-E Bought a new computer! Bought a mechanical keyboard. Bought custom Starcraft 2 keycaps for the...
./techtipsy
ASRock X570M Pro4 motherboard overview Not too long ago, I had the goal of consolidating all my computing needs onto a single desktop PC....
over a year ago
55
over a year ago
Not too long ago, I had the goal of consolidating all my computing needs onto a single desktop PC. That meant moving from an mITX-based build to something that had a bit more expandability. Since I already had a Fractal Meshify C Mini, I decided to go for an mATX motherboard. And...
Arduino Blog
Kick off the Monaco Grand Prix weekend with these Formula 1-inspired Arduino projects The Monaco Grand Prix is just days away and will likely be one of the most exciting races of the...
7 months ago
96
7 months ago
The Monaco Grand Prix is just days away and will likely be one of the most exciting races of the season. While most fans can’t participate directly — except as spectators — they can celebrate their passion through DIY projects. That’s why we’ve scoured the community to find the...
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
8
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,...
csvbase blog
I didn't write any Javascript, and other shortcuts Getting it done by not doing a lot of it
a year ago
Neil Madden
Galois/Counter Mode and random nonces It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain...
7 months ago
7
7 months ago
It turns out you can encrypt more than 2^32 messages with AES-GCM with a random nonce under certain conditions. It’s still not a good idea, but you can just about do it. #cryptography
Willem's Blog
Business in a bag After much testing I have selected a bag and set of cases to fit my entire business, wherever I go.
over a year ago
4
over a year ago
After much testing I have selected a bag and set of cases to fit my entire business, wherever I go.
Buck on Software
Category velocity People make decisions, not businesses.
over a year ago
Matt Blewitt
What Is a Senior Engineer, Anyway? I’ve been having a bunch of conversations with my team about our career ladder, and what it means to...
a month ago
11
a month ago
I’ve been having a bunch of conversations with my team about our career ladder, and what it means to be “senior” in a software engineering context. It’s a little different in every company, but here is my view.
Vitalik Buterin's...
Binius: highly efficient proofs over binary fields
8 months ago
Willem's Blog
Whoop strap review: 24/7 wearable sensor
over a year ago
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
Home on Erik...
hdfs2cass Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra...
over a year ago
7
over a year ago
Just open sourced hdfs2cass which is a Hadoop job (written in Java) to do efficient Cassandra bulkloading. The nice thing is that it queries Cassandra for its topology and uses that to partition the data so that each reducer can upload data directly to a Cassandra node.
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
6
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...
Abort Retry Fail
The History of Windows 2.0 Success and Litigation
a year ago
lcamtuf’s thing
Random objects: Intel Edison A glimpse of the missteps of x86 in the embedded world.
6 months ago
Notes on software...
A minimal RocksDB example with Zig I mostly programmed in Go the last few years. So every time I wanted an embedded key-value database,...
over a year ago
6
over a year ago
I mostly programmed in Go the last few years. So every time I wanted an embedded key-value database, I reached for Cockroach's Pebble. Pebble is great for Go programming but Go does not embed well into other languages. Pebble was inspired by RocksDB (and its...
./techtipsy
Why you might not want to publicly self-host a Wikipedia clone A while ago I wrote about how easy it is to download an archive of Wikipedia and host it...
a year ago
72
a year ago
A while ago I wrote about how easy it is to download an archive of Wikipedia and host it anywhere you want using Kiwix. I’m still hosting Kiwix sites publicly, but here are a few things you might want to consider before doing so yourself. The spam I have a specific e-mail address...
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...
4 months ago
Home on Erik...
The Filter Bubble is Silly and you Can't Guess What Happened Next I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here...
over a year ago
4
over a year ago
I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here was about the filter bubble which prompted me to formalize my own thoughts. I firmly believe that it's the role of a system to respect the user's intent.
Home on Erik...
Simple sabotage for software CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out...
a year ago
7
a year ago
CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out various ways for infiltrators to ruin productivity of a company. Some of the advice is timeless, for instance the section about “General interference with Organizations and...