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Applied Cartography
Applied Cartography × People & Blogs There are few pleasures greater than getting to be profiled for an interview series that you've been...
2 months ago
4
2 months ago
There are few pleasures greater than getting to be profiled for an interview series that you've been reading for months, and last week I got to do exactly that. To browse Manu's site — not just this interview series — feels a bit like walking on a quiet beach in autumn: there's a...
Computer Ads from...
Huson Soft HuCAL Hudson creates business software for everyone.
11 months ago
detreville
Father's Day (First posted on Father's Day, 2022.)
a year ago
Jonas Hietala
The I'm Great quote A new semester at the uni and so far it looks promising; I got a hold of some new books even though...
over a year ago
2
over a year ago
A new semester at the uni and so far it looks promising; I got a hold of some new books even though the bookstore had a snakelike queue similar to the Jörmungandr (the snake that encircled the earth in nordic mythology) and our new programming course started. This time it’s Ada’s...
Home on Erik...
In defense of false positives (why you can't fail with A/B tests) Many years ago, I used to think that A/B tests were foolproof and all you need to do is compare the...
over a year ago
2
over a year ago
Many years ago, I used to think that A/B tests were foolproof and all you need to do is compare the metrics for the two groups. The group with the highest conversion rate wins, right?
Computer Ads from...
Comics from 1986/06 Australian Personal Computer Mag It’s that time of the month. This time let’s look at humor from down under. These comics are from...
8 months ago
68
8 months ago
It’s that time of the month. This time let’s look at humor from down under. These comics are from the June 1986 issue of Australian Computer magazine. Enjoy! What computer ads would you like to see in the future? Please comment below. If you enjoyed it, please share it with your...
Louwrentius
Cryptocurrencies are detrimental to society Want to listen to this article? audio element. Introduction How would you explain the inner...
over a year ago
2
over a year ago
Want to listen to this article? audio element. Introduction How would you explain the inner workings of bitcoin to a person in simple, understandable terms? source This explanation seems perfect to me because it illustrates some seriously problematic aspects of...
Nabeel S. Qureshi
May Updates + New Essay On Moral AI A few months back, I read a tweet from Ilya Sutskever (OpenAI Chief Scientist) which stuck in my...
a year ago
2
a year ago
A few months back, I read a tweet from Ilya Sutskever (OpenAI Chief Scientist) which stuck in my mind: “the long term goal is to build AGI that loves people the way parents love their children”.
Jonas Hietala
The Top Idea Recently I’ve been having a dozen ideas and projects I’ve been poking around with: I wrote a simple...
over a year ago
3
over a year ago
Recently I’ve been having a dozen ideas and projects I’ve been poking around with: I wrote a simple lua, later perl, which announced when a new day9 episode has come. Later I expanded it to search for new manga episodes, but now it’s broken and unfinished. In an attempt to learn...
Willem's Blog
Climbing Mount Etna Climbing Mount Etna, an active volcano on Sicily Italy.
over a year ago
Matt Mullenweg
Where is Lee Wittlinger? Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for...
2 months ago
4
2 months ago
Lee controls the board of WP Engine. The board is why WP Engine hasn’t done a trademark deal for their use of the WordPress and WooCommerce trademarks. You hide behind lawyers and corporate PR when you’re wrong, not when you’re right. I’m replying on Twitter, I’m commenting on...
Notes on software...
Practical? Common Lisp on the JVM: A quick intro to ABCL for modern web apps In a ridiculous attempt to prove an internet wrong about the practicality of Lisp (Common Lisp...
over a year ago
2
over a year ago
In a ridiculous attempt to prove an internet wrong about the practicality of Lisp (Common Lisp specifically), I tried to get a simple (but realistic) web app running. After four days and a patch to ABCL I got something working. The code I had in mind would look something like...
Old Vintage...
Refurb weekend: Data General/One (and the worst LCD in the world) I mentioned earlier that while I prefer specializing in non-x86 laptops, that doesn't mean I don't...
8 months ago
78
8 months ago
I mentioned earlier that while I prefer specializing in non-x86 laptops, that doesn't mean I don't collect interesting or unusual x86 laptops, like the Brother GeoBook NB-60 (I finally tracked down a mostly working NB-80C, the top of the line model, which will be the subject of a...
./techtipsy
About the time my ThinkPad T430 ran with an external GPU The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like a tank. I got mine in...
5 months ago
77
5 months ago
The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like a tank. I got mine in 2016 when the first university scholarship money dropped, and it’s still my backup laptop of choice. Around 2017 I did something every reasonable poor computer science...
Notes on software...
Extending gosql to supporting LIMIT and OFFSET It's been a few months since I picked up gosql and I wanted to use it to prototype a SQL interface...
over a year ago
3
over a year ago
It's been a few months since I picked up gosql and I wanted to use it to prototype a SQL interface for data stored in S3. But one missing critical feature in gosql is LIMIT and OFFSET support. This post walks through the few key changes to gosql to support LIMIT and OFFSET. You...
Louwrentius
How to setup a local or private Ubuntu Mirror Preface In this article I provide instructions on how to setup a local Ubuntu mirror using...
a year ago
2
a year ago
Preface In this article I provide instructions on how to setup a local Ubuntu mirror using debmirror. To set expectations: the mirror will work as intended and distribute packages and updates, but a do-release upgrade from one major version of Ubuntu to the next won't...
Jonas Hietala
Trying and returning the Eight Sleep Pod 4 I recently bought the Eight Sleep Pod 4—a smart mattress cover that tracks your heart rate, HRV,...
2 months ago
4
2 months ago
I recently bought the Eight Sleep Pod 4—a smart mattress cover that tracks your heart rate, HRV, snoring, and cools or warms the mattress during the night. There’s a lot to like about the mattress but in the end I opted to return it. This post describes my experience with the Pod...
Louwrentius
Understanding Windows KMS and MAK volume license activation Introduction If you have to administer a large number of PCs running Windows, you will end up...
over a year ago
3
over a year ago
Introduction If you have to administer a large number of PCs running Windows, you will end up creating an automated deployment platform for your Windows clients. You may implement something like Windows Deployment Services. I used WDS to create a fully automated installation of...
Posts on Made of...
A Very Subtle Bug 6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for...
over a year ago
2
over a year ago
6.033, MIT’s class on computer systems, has as one of its catchphrases, “Complex systems fail for complex reasons”. As a class about designing and building complex systems, it’s a reminder that failure modes are subtle and often involve strange interactions between multiple parts...
Computer Ads from...
Intel's Inboard 386/PC Welcome to the 1990s.
2 months ago
Notes on software...
The year in books: 20 to recommend in 2020 This year I finished 47 books, up from last year but not a personal best. The breakdown was 17...
over a year ago
2
over a year ago
This year I finished 47 books, up from last year but not a personal best. The breakdown was 17 non-fiction and 30 fiction. Another 20-30 remain started but unfinished this year. Non-fiction The 8 non-fiction books I most recommend are: Fashionapolis: The Price of Fast Fashion and...
Willem's Blog
The birth of a child Witnessing the birth of a child changes a man, for science and curiosity I wore a biometric sensor...
over a year ago
3
over a year ago
Witnessing the birth of a child changes a man, for science and curiosity I wore a biometric sensor capturing the impact of birth on yours truly.
Christian Selig
Announcing Apollo: a new Reddit app for iPhone I’m really excited to unveil a project I’ve been working on for the last year or so. It’s called...
over a year ago
21
over a year ago
I’m really excited to unveil a project I’ve been working on for the last year or so. It’s called Apollo and it’s a new Reddit app for iPhone. I’ve been a Reddit user for about four years now, and the site is a constant source of interesting discussion, hilarity and news for me...
Willem's Blog
Being a volunteer in Amsterdam-Zuidoost About my work as volunteer in the local community center in Amsterdam Zuidoost
over a year ago
Posts on Made of...
Graceful behavior at capacity Suppose we’ve got a service. We’ll gloss over the details for now, but let’s stipulate that it...
a year ago
3
a year ago
Suppose we’ve got a service. We’ll gloss over the details for now, but let’s stipulate that it accepts requests from the outside world, and takes some action in response. Maybe those requests are HTTP requests, or RPCs, or just incoming packets to be routed at the network layer....
Louwrentius
Cheap solution for putting an SSD in an iMac If you want to order a new iMac with an SSD there are two problems: An SSD of 256 gigabytes will...
over a year ago
3
over a year ago
If you want to order a new iMac with an SSD there are two problems: An SSD of 256 gigabytes will cost you a lot: 600 euros. The SSD is of medium quality, and does not justify the cost of 600 euros. Here you can find information about the Toshiba SSD that Apple provides. You can...
Willem's Blog
Cash is king, or is it? Is the time right to ditch the wallet?
over a year ago
Vitalik Buterin's...
La Guía Incompleta de los Rollups
over a year ago
Willem's Blog
Abandoning my own tablet OS After a year of experimenting with Debian GNU/Linux on a Surface Go 2 I have returned to iPad Pro...
over a year ago
3
over a year ago
After a year of experimenting with Debian GNU/Linux on a Surface Go 2 I have returned to iPad Pro and the Mac.
Matt Mullenweg
I Voted! It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a...
a month ago
4
a month ago
It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a last-minute flight to Houston and this morning walked over to Congregation Emanu El and voted. It is our most sacred duty as a citizen. I encourage every American to vote.
Posts on Made of...
New reptyr feature: TTY-stealing Ever since I wrote reptyr, I’ve been frustrated by a number of issues in reptyr that I fundamentally...
over a year ago
2
over a year ago
Ever since I wrote reptyr, I’ve been frustrated by a number of issues in reptyr that I fundamentally didn’t know how to solve within the reptyr model. Most annoyingly, reptyr fundamentally only worked on single processes, and could not attach processes with children, making it...
Neil Madden
I still don’t really get “hash shucking” If you want to learn how to store passwords securely, you could do a lot worse than looking at the...
a year ago
3
a year ago
If you want to learn how to store passwords securely, you could do a lot worse than looking at the OWASP Password Storage Cheat Sheet. These cheat sheets are generally pretty good, and the password storage one is particularly good. The editors do a great job of keeping it up to...
Arduino Blog
BrainPatch.AI: How a British neurotech startup built a working prototype fast, using Arduino Nano 33... The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and...
3 months ago
22
3 months ago
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and effective non-invasive interfaces that can deliver tiny milliamp currents to the right stimulation location on the head, neck or body. One example of the new players in this field is...
computers are bad
2023-10-09 prolific counterfeiting I'm working on a side project right now, one of several, which involves telematics devices...
a year ago
74
a year ago
I'm working on a side project right now, one of several, which involves telematics devices (essentially GPS trackers with i/o) from a fairly reputable Chinese manufacturer. The device is endlessly configurable and so, like you see with a lot of radios, it has a UART for...
Jonas Hietala
An Epic Start Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and...
over a year ago
3
over a year ago
Oh what a mistake. I woke up at 05.00 when my girlfriend woke up, she’s working early today, and went to the bathroom. After I was done, still pretty tired, I made a big mistake. I checked the current theme for Ludum Dare 29: Beneath the Surface and guess what? Now I wasn’t tired...
Home on Erik...
Annoy 1.10 released, with Hamming distance and Windows support I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to...
over a year ago
2
over a year ago
I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to adjust to having a toddler, partly because the hunt for clicks has caused such a high bar for me that I feel like I have to post something Pulitzer-worthy.
Home on Erik...
We're hiring at Better Just a quick note that my team is always hiring at Better. A lot of new people have been joining the...
over a year ago
2
over a year ago
Just a quick note that my team is always hiring at Better. A lot of new people have been joining the team here in NYC lately—the tech team has actually grown from 35 to 60 in just ~3 months.
Vitalik Buterin's...
The roads not taken
over a year ago
Old Vintage...
Teaching Apple Cyberdog 1.0 new tricks (featuring OpenDoc) this cyberdog (image credit). that cyberdog, though this is one of my favourite weirdo pinball...
a year ago
64
a year ago
this cyberdog (image credit). that cyberdog, though this is one of my favourite weirdo pinball machines. that cyberdog. our PowerBook Duo 2300 rehabilitated, guess what we're gonna look at? Internet document? Thus was the nucleus of Cyberdog (named for the famous New...
./techtipsy
Oversimplified guide into snapshots on the btrfs filesystem Friday afternoon. You’re trying out a script that you wrote to mass-rename and move some files...
over a year ago
34
over a year ago
Friday afternoon. You’re trying out a script that you wrote to mass-rename and move some files around. You finish the script and test it out. Oops. All the files now have all the wrong names, and some have been randomly moved 10 folders deep. It’s a mess. And you didn’t make a...
Arduino Blog
A DIY bottle-labeling machine perfect for homebrewers While it is certainly possible (and common) to put homebrewed beer into kegs, that requires...
6 months ago
45
6 months ago
While it is certainly possible (and common) to put homebrewed beer into kegs, that requires regulated gas and large refrigeration space. A keg is also more difficult to transport and overkill if you just want to bring a few beers to a friend’s backyard BBQ. For those reasons,...
anderegg.ca
The “Home Alone” / “NiGHTS into Dreams” connection NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one...
2 weeks ago
5
2 weeks ago
NiGHTS into Dreams is one of those games I tend to think about when Christmas rolls around. It’s one of my favourites from the Saturn lineup, and it also had a free Christmas version. In it, there’s a song I really love that plays on the level select screen called Gate of Your...
Abort Retry Fail
The History of Windows 98 Echoes of an Explosion
a year ago
Home on Erik...
What's up with music recommendations? I just answered a Quora question about what, if any, are the differences in the algorithms that are...
over a year ago
3
over a year ago
I just answered a Quora question about what, if any, are the differences in the algorithms that are behind recommendations for music and movies. Of course, every media type is different. For instance, there's fundamental reasons why latent factor models works really well for...
Louwrentius
Benchmark results of Random I/O performance of different RAID levels Introduction I have performed some benchmarks to determine how different RAID levels perform when...
over a year ago
3
over a year ago
Introduction I have performed some benchmarks to determine how different RAID levels perform when handling a 100% random workload of 4K requests. This is a worst-case scenario for almost every storage subsystem. Normal day-to-day workloads may not be that harsh in a real-life...
detreville
🎼This Is the Worst Trip I’ve Ever Been On 🎶 (A Lengthy Vacation Post-Mortem)
7 months ago
Jonas Hietala
2016 in Review See the previous reviews. 2016 Geek Achievements Placed 2nd in Linköping’s Regional in...
over a year ago
2
over a year ago
See the previous reviews. 2016 Geek Achievements Placed 2nd in Linköping’s Regional in Netrunner. Won a couple of smaller Netrunner tournaments. Got Veronica to play Game of Thrones with us. She beat us and she loved it! Programmed a little bit of Elixir and a tiny bit of front...
Arduino Blog
Arduino Nicla Sense Env: adding advanced environmental sensing to a broad range of applications We’re thrilled to announce the launch of Nicla Sense Env: the latest addition to our portfolio of...
2 months ago
17
2 months ago
We’re thrilled to announce the launch of Nicla Sense Env: the latest addition to our portfolio of system-on-modules and sensor nodes, empowering innovators with the tools to unlock new possibilities. This tiny yet powerful sensor node is designed to elevate your environmental...
Home on Erik...
The lane next to you is more likely to be slower than yours Saw this link on Hacker News the other day: The Highway Lane Next to Yours Isn’t Really Moving Any...
over a year ago
2
over a year ago
Saw this link on Hacker News the other day: The Highway Lane Next to Yours Isn’t Really Moving Any Faster The article describes a phenomenon unique to traffic where cars spread out when they go fast and get more compact when they go slow.
lcamtuf’s thing
Analog filters, part 2: let it ring A continuation of the gentle intro to analog signal filtering. In today's episode: the Sallen-Key...
2 months ago
Notes on software...
Confusion is a muse Some of the most interesting technical blog posts I read come from, and a common reason for posts I...
6 months ago
2
6 months ago
Some of the most interesting technical blog posts I read come from, and a common reason for posts I write is, confusion. You're at work and you start asking questions that are difficult to answer. You spend a few hours or a day trying to get to the bottom of things. If you ask a...
Jonas Hietala
The great Hochstapler Hey there. A lot has happened lately since my last update and my last game here. I’m now a pretty...
over a year ago
3
over a year ago
Hey there. A lot has happened lately since my last update and my last game here. I’m now a pretty happy student at Linköpings university and I’m reading something similar to Computer Science or Computer engineering, but I guess it’ll become whatever you make it to be. For...
Louwrentius
Scanning many hosts in parallel with Nmap using PPSS Scanning a large number of hosts using Nmap often takes a lot of time. During this time, no output...
over a year ago
3
over a year ago
Scanning a large number of hosts using Nmap often takes a lot of time. During this time, no output is written to a file or disk. Only when Nmap is finished, is all output written to the output file. Often, I want to start processing results of hosts that have already been...
./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
31
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...
Jonas Hietala
My first theme: Addictive Gaming In true experimental spirit I’ll now announce the theme for my first game: Addictive Gaming. I won’t...
over a year ago
2
over a year ago
In true experimental spirit I’ll now announce the theme for my first game: Addictive Gaming. I won’t be following the lead from the Experimental Gameplay Project’s site but I will follow their three laws (7 days, alone, themes). Puh… my first game! Wish me luck =)
Jonas Hietala
Plans for Summer of Code My first summer job is now over, and after a weekend of rest, it is now time to plan for my second...
over a year ago
3
over a year ago
My first summer job is now over, and after a weekend of rest, it is now time to plan for my second summer job: IDA Summer of Code. I will work a month, or 4 weeks, with contributing to rust! The only issue is, I have no idea where to start. I didn’t have a strict plan or a vision...
Old Vintage...
The Fossil Wrist PDA becomes a tiny Gopher client (with Overbite Palm 0.3) I don't always often wear watches. But when I do, I prefer Palm PDAs. Wired to my wrist. all...
a year ago
52
a year ago
I don't always often wear watches. But when I do, I prefer Palm PDAs. Wired to my wrist. all about Palm devices on the Internet. It turns out there's a reason for that, and we're going to patch the operating system so we can make the Fossil Wrist PDA into what may be the...
Notes on software...
Why (and how) to read books The last time I read for fun was in elementary school. Since college I knew I must read more, but I...
over a year ago
3
over a year ago
The last time I read for fun was in elementary school. Since college I knew I must read more, but I never forced myself to build the habit. Then three years ago I spent time around my brother and a coworker who were avid readers. This "peer pressure" helped me get started. Since...
Vitalik Buterin's...
Trust Models
over a year ago
Home on Erik...
It's called Berkson's paradox! As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's...
over a year ago
3
over a year ago
As noted by multiple tweets, my previous post describes a phenomenon denoted Berkson's paradox. Here's another example: Why Are Handsome Men Such Jerks?
Arduino Blog
This Strandbeest-style coffee table can deliver drinks More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten...
3 months ago
32
3 months ago
More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten walking sculptures. Even after decades, they have an almost mythical allure thanks to the incredibly fluid way in which they walk. They’re clearly constructs, but with gaits that...
Willem's Blog
The Problem With Bitcoin Some thoughts on the long term viability of Bitcoin's rising value.
a week ago
GitButler
The Future of Open Source A GitHub founder's musings on the past, present and future of large groups of people collaborating...
4 months ago
2
4 months ago
A GitHub founder's musings on the past, present and future of large groups of people collaborating on software in awesome ways.
Odds and Ends of...
Why we need seven bins It's time for some #binchat
6 days ago
Arduino Blog
This small device enables users to feel braille through haptics For the visually impaired community, most of their interactions on mobile phones are confined to...
7 months ago
64
7 months ago
For the visually impaired community, most of their interactions on mobile phones are confined to text-to-speech (TTS) interfaces that read portions of the screen aloud. Dynamic braille displays also exist as a tactile means of communication, but their prices can get close to...
Vitalik Buterin's...
STARKs, Part II: Thank Goodness It's FRI-day
over a year ago
Matt Blewitt
Shunn The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts...
6 months ago
3
6 months ago
The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts to publishers. It was created by author William Shunn and is widely used in the publishing industry. Here is a brief demonstration of a tool I wrote to facilitate generating...
Louwrentius
Linux RAID 6 performance using software RAID So after toying around with RAID 0 just for fun, time to get serious. I created a RAID 6 of 10 x 1...
over a year ago
3
over a year ago
So after toying around with RAID 0 just for fun, time to get serious. I created a RAID 6 of 10 x 1 TB disks. This gives me raw device read speeds of 850 MB/s and write speeds of 300 MB/s. I think this is exactly what should be expected, but boy it is damn fast. Especially the...
Home on Erik...
Books I consumed in 2017 Turns out having a toddler isn't super compatible with reading. I used to read ~100 books/year as a...
over a year ago
2
over a year ago
Turns out having a toddler isn't super compatible with reading. I used to read ~100 books/year as a teenager, but it has slowly deteriorated to maybe 20-30 books, at most. And I don't even finish all of them because life is too short!
Odds and Ends of...
Odds and Ends #44: The New Statesman still needs fixing Plus Channel Tunnel news, a NIMBY assault on an excellent pub, and more!
3 weeks ago
Vitalik Buterin's...
Endnotes on 2020: Crypto and Beyond
over a year ago
On Life and Lisp
Apple GPU drivers now in Asahi Linux We’re excited to announce our first Apple GPU driver release! We’ve been working hard over the past...
over a year ago
6
over a year ago
We’re excited to announce our first Apple GPU driver release! We’ve been working hard over the past two years to bring this new driver to everyone, and we’re really proud to finally be here. This is still an alpha driver, but it’s already good enough to run a smooth desktop...
Arduino Blog
Self-leveling workbench can travel without trouble An actually level workbench is critical for many different jobs, such as pouring resin or...
6 months ago
39
6 months ago
An actually level workbench is critical for many different jobs, such as pouring resin or calibrating sensors. But it is difficult enough to level a stationary workbench and that becomes a nightmare for a workbench that needs to roll around a shop on casters, as shop floors...
Home on Erik...
How to hire smarter than the market: a toy model Let's consider a toy model where you're hiring for two things and that those are equally valuable....
over a year ago
2
over a year ago
Let's consider a toy model where you're hiring for two things and that those are equally valuable. It's not very important what those are, so let's just call them “thing A” and “thing B” for now.
Arduino Blog
Storing ephemeral micropoetry on RFID cards for bite-sized readings Most people don’t consume poetry in the same way that they do novels. Instead of reading a book of...
3 months ago
30
3 months ago
Most people don’t consume poetry in the same way that they do novels. Instead of reading a book of poetry from cover-to-cover over the course of a few sessions, the majority of people seem to prefer enjoying poetry in occasional little chunks. And unlike the epic poems of Greek...
Jonas Hietala
Monty Hall I’m currently reading The Drunkard’s Walk, a well written book about probabilities. There they...
over a year ago
2
over a year ago
I’m currently reading The Drunkard’s Walk, a well written book about probabilities. There they discussed the famous Monty Hall Problem. I’ve heard about it before and I know the answer, but he mentioned a simulation of the problem and that sounded cool so I made a simulation of...
seangoedecke.com RSS...
Blockchain explained simply A blockchain is a distributed database. Bitcoin, Ethereum and Dogecoin are all different databases....
over a year ago
3
over a year ago
A blockchain is a distributed database. Bitcoin, Ethereum and Dogecoin are all different databases. A blockchain node is a computer with an…
Notes on software...
SQLite has pretty limited builtin functions This is an external post of mine. Click here if you are not redirected.
over a year ago
Home on Erik...
Snakebite Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie....
over a year ago
2
over a year ago
Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie. It's a super fast tool to access HDFS over CLI/Python, by accessing the namenode directly over sockets/protobuf. Spotify's developer blog features a nice blog post outlining what...
Simply Explained
Tracking gas usage with ESPHome, Home Assistant, and TCRT5000 In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home...
over a year ago
3
over a year ago
In 2019, I built an energy monitor to keep track of our electricity consumption. Then, in 2021, Home Assistant added an Energy Management feature that keeps track of electricity and gas usage. So naturally, I had to make my gas meter smart as well.
Posts on Made of...
Why node.js is cool (it's not about performance) For the past N months, it seems like there is no new technology stack that is either hotter or more...
over a year ago
2
over a year ago
For the past N months, it seems like there is no new technology stack that is either hotter or more controversial than node.js. node.js is cancer! node.js cures cancer! node.js is bad ass rock star tech!. I myself have given node.js a lot of shit, often involving the phrase...
Arduino Blog
A new Plug and Make Kit challenge! A game of rhythm and creativity The Arduino Plug and Make Kit is all about unleashing creativity while simplifying the process of...
a week ago
5
a week ago
The Arduino Plug and Make Kit is all about unleashing creativity while simplifying the process of turning ideas into reality. It enables everyone to focus on the fun of creating with the power of the UNO R4 WiFi and a user-friendly, modular design – bypassing the complexities of...
computers are bad
2024-03-09 the purple streetscape Across the United States, streets are taking on a strange hue at night. Purple. Purple streetlights...
9 months ago
95
9 months ago
Across the United States, streets are taking on a strange hue at night. Purple. Purple streetlights have been reported in Tampa, Vancouver, Wichita, Boston. They're certainly in evidence here in Albuquerque, where Coal through downtown has turned almost entirely to mood lighting....
Home on Erik...
Deep learning for... chess I've been meaning to learn Theano for a while and I've also wanted to build a chess AI at some...
over a year ago
3
over a year ago
I've been meaning to learn Theano for a while and I've also wanted to build a chess AI at some point. So why not combine the two? That's what I thought, and I ended up spending way too much time on it.
Style over Substance
Leitz Summicron 50mm f/2 rigid (type 2) lens My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron...
over a year ago
56
over a year ago
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron lens, though that was the first generation collapsible model known as a Type 1. This lens has lived on my Leica M3 permanently for the past few years, and I have enjoyed the hell...
Good Enough
Having Trouble Getting Started? Pair Up! A body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on...
a year ago
3
a year ago
A body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on by a net external force. Sir Isaac Newton I often find that just getting started is the hardest part of doing something. This is especially true when the project is large or...
Vitalik Buterin's...
Plurality philosophy in an incredibly oversized nutshell
4 months ago
Vitalik Buterin's...
Some reflections on the Bitcoin block size war
6 months ago
Arduino Blog
An Arduino-powered robotic ukulele that plays itself The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any...
4 months ago
50
4 months ago
The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any other and that means it takes a lot of practice to play competently. Zeroshot is too busy building cool stuff to bother with all of that, so he put his skills to use constructing...
Applied Cartography
Klarna: nineteen years, twenty billion kroner I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay...
3 weeks ago
5
3 weeks ago
I tend to ignore the entire genre of what we now refer to as BNPL businesses — Affirm, Afterpay (RIP), Klarna, et al — not for any particular sin I feel that they are committing, but because they in my mind are much less interesting companies with less volatile upside than the...
Willem's Blog
Using a budget Android as main smartphone I switched to Android to find out how good a budget smartphone performs compared to an expensive...
over a year ago
Arduino Blog
A beautiful custom calculator built with IV-12 VFD tubes Nixie tubes have been the go-to option for makers looking for retro display aesthetics for many...
6 months ago
60
6 months ago
Nixie tubes have been the go-to option for makers looking for retro display aesthetics for many years, because their distinct orange glow carries a lot of vintage appeal. But VFD (vacuum fluorescent display) tubes have been gaining in popularity recently and have different —...
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
2
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...
Louwrentius
Don't use cloud services if you care about secrecy of your data When you use cloud services, you are storing your data on other people's hard drives. The moment you...
over a year ago
2
over a year ago
When you use cloud services, you are storing your data on other people's hard drives. The moment you put your data within a cloud service, that data is no longer under your control. You don't know who will access that data. Secrecy is lost. Instead of using services like Gmail...
Vitalik Buterin's...
Gitcoin Grants Round 5 Retrospective
over a year ago
Posts on Made of...
Some opinionated thoughts on SQL databases People who work with me tend to realize that I have Opinions about databases, and SQL databases in...
over a year ago
2
over a year ago
People who work with me tend to realize that I have Opinions about databases, and SQL databases in particular. Last week, I wrote about a Postgres debugging story and tweeted about AWS’ policy ban on internal use of SQL databases, and had occasion to discuss and debate some of...
Jonas Hietala
Postmortem: The Chronicles of Bim: The 100 Fake Afros My first shooter! It’s working (although a friend got a null pointer error) so I’m a little...
over a year ago
3
over a year ago
My first shooter! It’s working (although a friend got a null pointer error) so I’m a little happy. The Time I spent about 24 hours on this game. A whopping 30% was break time, mostly me eating, reading manga or playing games… This is proof of me being really lazy this month I...
GitButler
GitButler for Windows The GitButler client is now available natively on Windows.
8 months ago
latest projects -...
Analemmagraph [Concept] Video of a day, one year in every frame
a year ago
Birchtree
Squashing links on social media Anil Dash: “Link in Bio” Is a Slow Knife For a closed system, those kinds of open connections are...
2 weeks ago
6
2 weeks ago
Anil Dash: “Link in Bio” Is a Slow Knife For a closed system, those kinds of open connections are deeply dangerous. If anyone on Instagram can just link to any old store on the web, how can Instagram — meaning Facebook, Instagram’s increasingly-overbearing owner — tightly
Vitalik Buterin's...
The Most Important Scarce Resource is Legitimacy
over a year ago
Vitalik Buterin's...
[Mirror] Cantor was Wrong: debunking the infinite set hierarchy
over a year ago
Computer Ads from...
Bomb Squad Peripherals' BLOWGUN It Could Have Been a Lot Worse - His Data is BLOWGUN Protected!
6 months ago
Jonas Hietala
Migrating to rocks.nvim My relationship with my Neovim config is best described as an On-again, off-again relationship. At...
6 months ago
3
6 months ago
My relationship with my Neovim config is best described as an On-again, off-again relationship. At times I’m deeply in love and spend all my time caressing the config—like how in September I did a complete rewrite in Lua—while other times I’m busy with other love interests and...
Posts on Made of...
A Go/C Polyglot Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might...
over a year ago
3
over a year ago
Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might write a source file that’s both valid C and Go, commenting that it wasn’t immediately obvious if this was even possible. I got nerdsniped, and succeeded in producing one, which you can...
Home on Erik...
The hacker's guide to uncertainty estimates It started with a tweet: New years resolution: every plot I make during 2018 will contain...
over a year ago
2
over a year ago
It started with a tweet: New years resolution: every plot I make during 2018 will contain uncertainty estimates — Erik Bernhardsson (@bernhardsson) January 7, 2018 Why? Because I've been sitting in 100,000,000 meetings where people endlessly debate whether the monthly number of...
Posts on Made of...
Check Plus: An EDSL for writing unit tests in C Check is an excellent unit-testing framework for C code, used by a number of relatively well-known...
over a year ago
2
over a year ago
Check is an excellent unit-testing framework for C code, used by a number of relatively well-known projects. It includes features such as running all tests in separate address spaces (using fork(2)), which means that the test suite can properly report segfaults or similar crashes...
csvbase blog
Client libraries are better when they have no API fsspec is secretly everywhere, and boss
8 months ago
Home on Erik...
NYC Machine Learning meetup From the NYC Machine Learning talk I had last week: Haven't looked at it yet except briefly....
over a year ago
3
over a year ago
From the NYC Machine Learning talk I had last week: Haven't looked at it yet except briefly. Unfortunately the quality isn't the best.
Jonas Hietala
A * After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer...
over a year ago
3
over a year ago
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer than I would have liked. I’ve basically managed to make a world and some tiles in the world and we have a worker who can move around on the tiles and he can’t move on all...
Jonas Hietala
Favourite Programming Language All the programmers love to promote their favourite language, or to hate on others. Now I read a...
over a year ago
2
over a year ago
All the programmers love to promote their favourite language, or to hate on others. Now I read a post which claimes my favourite language is not good enough! But he’s correct of course, there is no one language to rule them all. You should always choose the mest language for the...
Jonas Hietala
2021 in review A new year is always a good time to review the past year. Funny how this is already the 12th year...
over a year ago
2
over a year ago
A new year is always a good time to review the past year. Funny how this is already the 12th year I’ve done this kind of quick review… Time sure flies. 2021 Non-Geek Achievements Started strength training using a strength coach from Kabuki. I got inspired by the book Peak that...
Willem's Blog
Using the reMarkable paper tablet The paper-like display makes you forget about reMarkable's digital innards, working with this tablet...
over a year ago
3
over a year ago
The paper-like display makes you forget about reMarkable's digital innards, working with this tablet is therefore quite remarkable!
Louwrentius
Laptop or netbook as router? If you want a router for distribution of internet to your computers at home, there are several...
over a year ago
2
over a year ago
If you want a router for distribution of internet to your computers at home, there are several options. buy some embedded device from Linksys, Draytek, Asus, 3com, ZyXtel or netgear This type of hardware is cheap, economical, and gets you up and running in a few minutes. The...
Louwrentius
Debian Linux Preseeding - an installation framework Look Ma! No hands! just watching a system PXE-boot and install itself into a fully...
over a year ago
3
over a year ago
Look Ma! No hands! just watching a system PXE-boot and install itself into a fully operational system is fun. PXE boot and preseeding is not enough however to accomplish this. By itself, preseeding only installs a basic operating system. Next, you need to configure all sorts of...
Louwrentius
The Raspberry Pi 5 is no match for a tini-mini-micro PC I've always been fond of the idea of the Raspberry Pi. An energy efficient, small, cheap but capable...
6 months ago
3
6 months ago
I've always been fond of the idea of the Raspberry Pi. An energy efficient, small, cheap but capable computer. An ideal home server. Until the Pi 4, the Pi was not that capable, and only with the relatively recent Pi 5 (fall 2023) do I feel the Pi is OK performance wise, although...
Notes on software...
Writing an x86 emulator from scratch in JavaScript: 2. system calls Previously in emulator basics: 1. a stack and register machine In this post we'll extend x86e...
over a year ago
2
over a year ago
Previously in emulator basics: 1. a stack and register machine In this post we'll extend x86e to support the exit and write Linux system calls, or syscalls. A syscall is a function handled by the kernel that allows the process to interact with data outside of its memory....
Vitalik Buterin's...
Prediction Markets: Tales from the Election
over a year ago
Louwrentius
HP Proliant Microserver N40L is a great NAS or Router Update 2012-12-11: It seems that a new and faster version is on the horizon. Update 2012-12-21:...
over a year ago
2
over a year ago
Update 2012-12-11: It seems that a new and faster version is on the horizon. Update 2012-12-21: Yes, the new model G7 N54L is out. Some products seem almost too good to be true and I think the HP Proliant Microserver N40L is one of them. If you are into the market for a very...
Louwrentius
Wake On Lan not working with realtek r8168 card After messing around with different kernels on Debian Lenny, I noticed that my system did no longer...
over a year ago
2
over a year ago
After messing around with different kernels on Debian Lenny, I noticed that my system did no longer respond to WOL packets. The system is using an on-board Realtek R8168 chip which supports wake on lan. After searching and reading i found the problem. The system is using an...
Willem's Blog
My first weeks as dad Last Christmas my wife gave birth of our son. It's a life changing experience to become a parent....
over a year ago
1
over a year ago
Last Christmas my wife gave birth of our son. It's a life changing experience to become a parent. Read along for my (biometric) findings and some practical tips.
Ken Shirriff's blog
Two interesting XOR circuits inside the Intel 386 processor Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a...
a year ago
3
a year ago
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a 32-bit processor but also switching to a CMOS implementation. I've been reverse-engineering parts of the 386 chip and came across two interesting and completely different circuits...
Applied Cartography
Talking to customers You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten...
2 months ago
4
2 months ago
You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten through. There are people you haven't persuaded yet. These number mean dial it up. Otherwise you're like the French radical, watching the crowd run by and saying, "There go my people. I...
computers are bad
2023-04-27 los alamos - compound to county pt I This weekend, I found myself staying in Los Alamos for a volunteer role in which I judge children on...
a year ago
57
a year ago
This weekend, I found myself staying in Los Alamos for a volunteer role in which I judge children on the quality of their software. Clearly this is not the kind of opportunity I would turn down, but I also always take an excuse to drive back up the hill. I only lived in Los...
Simply Explained
How I Use Alfred to Search My Obsidian Notes Faster (with Spotlight!) In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from...
a year ago
3
a year ago
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from anywhere on my Mac. I just open Alfred, type “note” followed by my query, and see my search results. Hit enter and the correct note opens in Obsidian. Easy and quick!
Posts on Made of...
Two kinds of testing While talking about thinking about tests and testing in software engineering recently, I’ve come to...
over a year ago
3
over a year ago
While talking about thinking about tests and testing in software engineering recently, I’ve come to the conclusion that there are (at least) two major ideas and goals that people have when they test or talk about testing. This post aims to outline what I see as these two schools,...
Christian Selig
The Caldera: a sleek split and wireless keyboard I designed my own keyboard and it’s freely available! I’m calling it the Caldera, and it’s basically...
5 months ago
57
5 months ago
I designed my own keyboard and it’s freely available! I’m calling it the Caldera, and it’s basically my dream wireless split keyboard. I’ve been using it for months, and I love it. Video overview If you’re a visual person, I made a fun little video showcasing the...
Lighthouse Blog
Updates June 28
5 months ago
Old Vintage...
When the Power Macintosh ran NetWare (featuring Wormhole and Cyberpunk) This entry and the software we'll demonstrate is in large part thanks to an anonymous Apple...
12 months ago
61
12 months ago
This entry and the software we'll demonstrate is in large part thanks to an anonymous Apple developer who was part of the NetWare team. Thank you! the network operating system of the 1990s. Nothing was quite like it. Until Windows NT muscled in on its action near the end of the...
csvbase blog
My favourite API is a zipfile on the European Central Bank's website Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
a year ago
Jonas Hietala
Ludum Dare 22 results! The results from Ludum Dare 22 are in! I made the game Sat-E for the 48 hour competition and I was...
over a year ago
3
over a year ago
The results from Ludum Dare 22 are in! I made the game Sat-E for the 48 hour competition and I was quite happy with it. #24 Community 3.71 #40 Fun 3.38 #49 Theme 3.69 #65 Overall 3.42 #95 Humor 2.82 #167 Mood 2.92 #247 Innovation 2.69 #338 Audio 2.23 #340 Graphics 2.62 #376...
Arduino Blog
Introducing Arduino Academy: your path to becoming an Arduino-Certified Engineer begins! Want to upgrade your skills and become a certified Arduino engineer? Welcome to the Arduino Academy,...
a month ago
15
a month ago
Want to upgrade your skills and become a certified Arduino engineer? Welcome to the Arduino Academy, the go-to platform for hands-on, interactive learning designed to prepare you for the future of technology. Whether you’re just starting or looking to advance your career, the...
Jonas Hietala
Dbot So I made a small irc bot in 294 characters in code-golfing language #1: Perl. Usage perl...
over a year ago
2
over a year ago
So I made a small irc bot in 294 characters in code-golfing language #1: Perl. Usage perl Dbot Commands .name - Echo the bots name .hello - Output “hello world!” .src - Dump the source code Code use IO::Socket;$s=IO::Socket::INET->new("158.38.8.251:6667");sub o{print$s...
Lars Lofgren
My 7 Rules for A/B Testing That Triple Conversion Rates I really don’t care how any given A/B test turns out. That’s right. Not one bit. But wait, how do I...
over a year ago
2
over a year ago
I really don’t care how any given A/B test turns out. That’s right. Not one bit. But wait, how do I double or triple conversion rates without caring how a test performs? I actually care about the whole SYSTEM of testing. All the pieces need to fit together just right. If not,...
Louwrentius
How to run Debian Linux on an Intel based Mac Mini The Mac Mini is just a gorgeous device. It is beautiful, small, silent, powerfull yet energy...
over a year ago
2
over a year ago
The Mac Mini is just a gorgeous device. It is beautiful, small, silent, powerfull yet energy efficient. When idle, it uses around 20 watts. I'm using one of the first Intel-based Minis with an Intel Core Duo chip, running at 1.6 Ghz. I want to use this mini as an expensive router...
Vitalik Buterin's...
On Free Speech
over a year ago
Matt Blewitt
Long Distance Relationships I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through...
2 months ago
5
2 months ago
I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through UTC+10, for the last couple of years. Through that time, I’ve learned a lot on organising work, interpersonal relationships, and ultimately how to overcome a lack of promximity to my...
Neil Madden
CVE-2022-21449: Psychic Signatures in Java The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to...
over a year ago
2
over a year ago
The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to get out of trouble by showing an identity card which is actually completely blank. Of course, this being Doctor Who, the card is really made out of a special “psychic paper“, which...
anderegg.ca
Using WordPress is risky It’s been a couple of weeks since I last wrote about WordPress. Stuff’s been happening in the...
a month ago
4
a month ago
It’s been a couple of weeks since I last wrote about WordPress. Stuff’s been happening in the background, but I’ve been trying to ignore it. This morning I read a story that bothered me enough to require another round of therapy-by-blog-post. First up, a couple of things that...
Willem's Blog
Backup Rotation Scheme Learn about the rsync-backup-rotator tool that helps you automatically rotate backups using rsync,...
a year ago
3
a year ago
Learn about the rsync-backup-rotator tool that helps you automatically rotate backups using rsync, creating and maintaining multiple recovery points from your backups.
Notes on software...
React without webpack: fast path to a working app from scratch This is an external post of mine. Click here if you are not redirected.
over a year ago
Buck on Software
The Software Slog As a newly minted high school grad I had a brief stint as a wildland firefighter.
a year ago
Birchtree
Gemini 2.0: speed and deep research impress From The Keyword Google blog: Introducing Gemini 2.0: Our New AI Model for the Agentic Era Today...
a week ago
5
a week ago
From The Keyword Google blog: Introducing Gemini 2.0: Our New AI Model for the Agentic Era Today we’re excited to launch our next era of models built for this new agentic era: introducing Gemini 2.0, our most capable model yet. With new advances in multimodality —
Willem's Blog
Creating a minimal iPhone stand Today I created a minimal iPhone stand from oak wood. I used a single piece of wood to get it done.
over a year ago
./techtipsy
How to mess up a simple ThinkPad X230 BIOS flash and how to recover from it Background I have a Lenovo ThinkPad X230. It’s a small and good laptop that I’ve used as my main...
over a year ago
19
over a year ago
Background I have a Lenovo ThinkPad X230. It’s a small and good laptop that I’ve used as my main laptop and a server as well. A couple of years ago I messed around with flashing alternative BIOS implementations on the X230, such as the skulls project, which made installing...
Jonas Hietala
Giving the blog a facelift When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed...
a year ago
2
a year ago
When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed me: It wasn’t pretty (even ugly in some parts). No dark mode support. Some elements were broken, for instance images or code blocks overlapping the header when it was floating to the...
Louwrentius
This blog is now running on solar power Introduction This blog is now running on solar power. I've put a solar panel on my balcony, which...
over a year ago
2
over a year ago
Introduction This blog is now running on solar power. I've put a solar panel on my balcony, which is connected to a solar charge controller. This device charges an old worn-out car battery and provides power to a Raspberry Pi ~~3b+~~ 4B, which in turn powers this (static)...
Nabeel S. Qureshi
How To Sell Sales at a startup is counter-intuitive.
over a year ago
Christian Selig
Using PHPickerViewController Images in a Memory-Efficient Way PHPickerViewController is (in my opinion) one of the more exciting parts of iOS 14. We developers...
over a year ago
30
over a year ago
PHPickerViewController is (in my opinion) one of the more exciting parts of iOS 14. We developers now have a fully-fledged photo picker that we can just use, rather than having to spend a bunch of our time creating our own (much like SFSafariViewController did for developers and...
Vitalik Buterin's...
A Quick Gasprice Market Analysis
over a year ago
Notes on software...
The year in books: 11 to recommend in 2021 Last year (2021) I finished 17 books, a five year low. But that's ok! 4 fiction and 13 non-fiction....
over a year ago
2
over a year ago
Last year (2021) I finished 17 books, a five year low. But that's ok! 4 fiction and 13 non-fiction. Another 30 started but not finished. Non-fiction It seems I was pretty focused on business history books and history of tech. The 8 non-fiction books I liked the most: Designing...
Neil Madden
A few clarifications about CVE-2022-21449 Just a few quick notes/updates to correct some potentially inaccurate statements that are floating...
over a year ago
2
over a year ago
Just a few quick notes/updates to correct some potentially inaccurate statements that are floating around on Reddit/Twitter etc: The bug only impacts Java 15 and above. The original advisory from Oracle incorrectly listed earlier versions (like 7, 8 and 11) as being impacted....
Birchtree
The future simply has more computers (members post) Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers...
5 days ago
10
5 days ago
Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers to our lives, not replacing anything.
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
3
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...
Notes on software...
A minimal REST API in Java There's a style of Java that is a joy to write. This post will cover how to set up a basic...
over a year ago
2
over a year ago
There's a style of Java that is a joy to write. This post will cover how to set up a basic PostgreSQL-integrated REST API using Jersey and JOOQ in a style not dissimilar to Flask and SQLAlchemy in Python. In particular, we'll try to avoid as much runtime reflection/class-loading...
Notes on software...
Writing an x86 emulator from scratch in JavaScript: 1. a stack and register machine Better yet, take a look at this post walking through emulating x86 ELF binaries in Go: Emulating...
over a year ago
3
over a year ago
Better yet, take a look at this post walking through emulating x86 ELF binaries in Go: Emulating linux/AMD64 userland: interpreting an ELF binary 2. system calls In this post we'll create a small virtual machine in JavaScript and use it to run a simple C program compiled...
lcamtuf’s thing
The serious science of trolling LLMs The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would...
5 months ago
1
5 months ago
The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would like to admit.
Louwrentius
Recycle your old laptop display and turn it into a monitor During a cleaning spree I decided that it was time to recycle two old laptops that were just...
over a year ago
3
over a year ago
During a cleaning spree I decided that it was time to recycle two old laptops that were just collecting dust on a shelf for many years. Although I didn't have any purpose for them anymore, I realised that the displays were still perfectly fine. This is the display of my old 13"...
Christian Selig
A free, 3D printable Meta Quest 3 stand People were really kind and seemed to enjoy my 3D printable Apple Vision Pro stand, a stand I...
8 months ago
86
8 months ago
People were really kind and seemed to enjoy my 3D printable Apple Vision Pro stand, a stand I designed in Fusion 360 with the goal of being visually appealing and compact as it stored the headset vertically so it wouldn’t take up too much space on your desk. Turns out there were...
Louwrentius
Bash Shell Function Library (BSFL) released. The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash...
over a year ago
2
over a year ago
The Bash Shell Function Library (BSFL) is a small Bash script that acts as a library for bash scripts. It provides a couple of functions that makes the lives of most people using shell scripts a bit easier. The purpose of this library is to provide pre-build functions for...
anderegg.ca
Maybe Bluesky has “won” November has sucked so far. One upside of the terrible nonsense is that more people are fleeing X....
a month ago
4
a month ago
November has sucked so far. One upside of the terrible nonsense is that more people are fleeing X. Many are choosing Bluesky. I’ve seen a bunch of takes about this recently, but I keep seeing things I disagree with. I figure that’s a good enough excuse to write more about this...
Good Enough
The Space Between Us Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical...
a year ago
3
a year ago
Good Enough is a fully-remote team, and I think it's safe to say that we'll never have a physical office. I've been working remotely for more than ten years, and overall I really like it. I love the flexibility it affords, being more present with our families, and that my...
Applied Cartography
PSA: mess around with Kolo I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with...
9 months ago
2
9 months ago
I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with Buttondown — a process that I expected to take a couple hours on a lazy Sunday and in fact took ten minutes and three lines of code. If you have a Django app, I think you should drop...
Home on Erik...
Ping the world I just pinged a few million random IP addresses from my apartment in NYC. Here's the result: Some...
over a year ago
3
over a year ago
I just pinged a few million random IP addresses from my apartment in NYC. Here's the result: Some notes: What's going on with Sweden? Too much torrenting? Ireland is likewise super slow, but not Northern Ireland Eastern Ukraine is also super slow, maybe not surprising given...
Notes on software...
Two books I recommend to developers Originally published on February 1, 2021. The original version included two books I don't think...
a year ago
2
a year ago
Originally published on February 1, 2021. The original version included two books I don't think are actually so worthwhile. This list is down to two. I think that's a good thing actually. These are the books I recommend to developers wanting to improve their skills as...
Notes on software...
First few hurdles writing a Scheme interpreter I started working on BSDScheme last October, inspired to get back into language implementation after...
over a year ago
2
over a year ago
I started working on BSDScheme last October, inspired to get back into language implementation after my coworker built bshift, a compiler for a C-like language. BSDScheme is an interpreter for a (currently small subset of) Scheme written in D. It implements a few substantial...
Home on Erik...
ML at Twitter I recently came across this paper describing how they do ML at Twitter. TL;DR Their approach is...
over a year ago
3
over a year ago
I recently came across this paper describing how they do ML at Twitter. TL;DR Their approach is pretty interesting. Everything is a Pig workflow and then they do everything as UDF's. This approach seems pretty interesting.
Abort Retry Fail
The History of OS/2 Getting a Divorce
a year ago
seangoedecke.com RSS...
Learning incident response with problem sets It’s hard to teach good incident response. A good understanding of how the system runs in production...
over a year ago
2
over a year ago
It’s hard to teach good incident response. A good understanding of how the system runs in production is essential, but how do you build that…
Neil Madden
Multiple input MACs When working with Message Authentication Codes (MACs), you often need to authenticate not just a...
over a year ago
3
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...
Home on Erik...
Ratio metrics We run a ton of A/B tests at Spotify and we look at a ton of metrics. Defining metrics is a little...
over a year ago
3
over a year ago
We run a ton of A/B tests at Spotify and we look at a ton of metrics. Defining metrics is a little bit of an art form. Ideally you want to define success metrics before you run a test to avoid cherry picking metrics.
Notes on software...
First month on a database team A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The...
9 months ago
2
9 months ago
A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The process of onboarding myself has been pretty similar at each company in the last decade, though I think I've gotten better at it. The process is of course influenced by the team, and my...
Vitalik Buterin's...
Binius: highly efficient proofs over binary fields
7 months ago
Good Enough
How We Built Quack (Beta) We recently launched Quack, a simple utility for you to share a beautifully rendered version of any...
a year ago
3
a year ago
We recently launched Quack, a simple utility for you to share a beautifully rendered version of any Markdown text. This software is completely front-end based, and for me personally it was a bit of a challenging puzzle to implement. Thankfully we have genius hackers like Arun...
latest projects -...
3D Model Viewer Improvements [Software] Unlocking the embedded gimbals
a year ago
latest projects -...
Badge [Hardware] A RISC-V LED matrix
a year ago
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
lcamtuf’s thing
Building a phosphorescence detector There's very little written about natural phosphorescence. Let's design a device that can spot it in...
3 weeks ago
Vitalik Buterin's...
On Medium-of-Exchange Token Valuations
over a year ago
Louwrentius
'Linux: unattended installation with Debian preseeding' Debian Linux provides a mechanism to install the operating system without user intervention. This...
over a year ago
3
over a year ago
Debian Linux provides a mechanism to install the operating system without user intervention. This mechanism is called 'preseeding' and is similar to Red Hat Kick Start and Sun Solaris Jump Start. The basic idea is that the installer is fed a recipe, according to which the system...
Jonas Hietala
Stereotypes I read a great essay or article about stereotypical programmers called The Little Printf. I really...
over a year ago
2
over a year ago
I read a great essay or article about stereotypical programmers called The Little Printf. I really couldn’t do it justice so do yourself a favor and go read it. It touches on several types of programmers or rather traits of programmers I recognize in my surroundings and also...
Vitalik Buterin's...
7ème tour des subventions Gitcoin - Rétrospective
over a year ago
Neil Madden
Parse, don’t type-check There’s a fantastic article from last year titled Parse, don’t validate. I’d highly recommend it to...
over a year ago
1
over a year ago
There’s a fantastic article from last year titled Parse, don’t validate. I’d highly recommend it to any programmer (along with the more recent follow up Names are not type safety). The basic idea is that there are two ways to check that some input to a function is valid: A...
Yazin Alirhayim
Braindump Been having a hard time lately focusing. It’s like whenever I start doing anything of any...
over a year ago
3
over a year ago
Been having a hard time lately focusing. It’s like whenever I start doing anything of any significance I get derailed, and fall into this spiral of thought where I reconsider whether what I’m about to do matters, why it would, and whether I could be doing something else that...
Birchtree
The “Bluesky feels like early Twitter!” vibe Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1...
3 weeks ago
5
3 weeks ago
Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1 million users a day for a bit last week. One sentiment I’m hearing a lot recently is that Bluely “feels like early Twitter,” which
Arduino Blog
This nature-inspired display reacts to ambient sounds We all need ways to calm down and relax, and few things are as effective as nature itself. Taking...
a week ago
13
a week ago
We all need ways to calm down and relax, and few things are as effective as nature itself. Taking inspiration from organic patterns and smooth, flowing waves, dzeng on Instructables has built an LED wall light that responds in real-time to the sounds within a room. The project...
Willem's Blog
Multi-Window support in your iPad app Take advantage of the improved support for multiple windows on iPadOS by implementing new UI...
over a year ago
3
over a year ago
Take advantage of the improved support for multiple windows on iPadOS by implementing new UI concepts enabling different use cases for your app.
Home on Erik...
statself.com Btw I just put something up online that I spent a couple of evenings in my couch putting together:...
over a year ago
2
over a year ago
Btw I just put something up online that I spent a couple of evenings in my couch putting together: it's a website where you can track any numerical data on the web. Want to know how many Twitter followers you have?
Louwrentius
The iPad will be the death of Flash So Apple finally released their tablet computer: the iPad. One of the most debated drawbacks is that...
over a year ago
3
over a year ago
So Apple finally released their tablet computer: the iPad. One of the most debated drawbacks is that it lacks support for Adobe Flash. The iPhone does not support Flash either, and since the iPad is based on the iPhone OS, this should not come as a surprise. Now many people see...
Louwrentius
Howto get the hard disk size under Linux? A: There is no single tool for this job, but it seems that Fdisk is just fine: server:~# fdisk -l 2>...
over a year ago
3
over a year ago
A: There is no single tool for this job, but it seems that Fdisk is just fine: server:~# fdisk -l 2> /dev/null | grep Disk | grep -v identifier Disk /dev/sda: 500.0 GB, 500028145664 bytes Disk /dev/sdb: 500.0 GB, 500028145664 bytes Disk /dev/sdc: 1000.1 GB, 1000123400192...
Home on Erik...
Delivering Music Recommendations I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from...
over a year ago
3
over a year ago
I've turned into a lazy bastard and I'm just posting presentations on this blog, but here's one from Rohan Singh at Spotify talking about the backend infrastructure of the Discover page.
Vitalik Buterin's...
Ask security questions
10 months ago
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
3
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...
Arduino Blog
Shop vac becomes a Roomba on steroids A robotic vacuum, such as a Roomba, offers a lot of convenience. Instead of having to vacuum and...
7 months ago
61
7 months ago
A robotic vacuum, such as a Roomba, offers a lot of convenience. Instead of having to vacuum and sweep your own floors, you have a little maid robot to do the job for you. But these devices have very little power and capacity, which makes them useless for anything other than...
Home on Erik...
Luigi: complex pipelines of tasks in Python I'm shamelessly promoting my first major open source project. Luigi is a Python module that helps...
over a year ago
2
over a year ago
I'm shamelessly promoting my first major open source project. Luigi is a Python module that helps you build complex pipelines of batch jobs, handle dependency resolution, and create visualizations to help manage multiple workflows. It also comes with Hadoop support built in...
Notes on software...
Notes from Neal Gabler's Walt Disney Disney was a celebrity by his mid-30s, Disney the company was famous by 1930s. Even though...
a year ago
3
a year ago
Disney was a celebrity by his mid-30s, Disney the company was famous by 1930s. Even though politically the 1930s was considered the decade of Roosevelt (elected President in 1933), culturally the 1930s was considered the decade of Mickey Mouse. Almost every new...
Willem's Blog
The Same, Differently
a year ago
Arduino Blog
Explore underwater with this Arduino-controlled DIY ROV Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the...
4 months ago
50
4 months ago
Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the ocean? But a remotely operated vehicle (ROV), which is the kind of robot you’d use for such an adventure, isn’t exactly the kind of thing you’ll find on the shelf at your local...
Gwern.net Newsletter
April 2020 gwern.net newsletter This is the April 2020 edition of the gwern.net newsletter; previous, March 2020 (archives).
over a year ago
Posts on Made of...
Dear Twitter: Stop screwing over your developers. I really like Twitter. I think it’s a great, fun, service, that helps enable interesting online...
over a year ago
3
over a year ago
I really like Twitter. I think it’s a great, fun, service, that helps enable interesting online communities, and is a surprisingly effective way to spread news and information to lots of people online. One of the things that I’ve loved about Twitter is their API, and how open and...
Home on Erik...
When machine learning matters I joined Spotify in 2008 to focus on machine learning and music recommendations. It's easy to...
over a year ago
3
over a year ago
I joined Spotify in 2008 to focus on machine learning and music recommendations. It's easy to forget, but Spotify's key differentiator back then was the low-latency playback. People would say that it felt like they had the music on their own hard drive.
Simply Explained
How WebP Images Reduced My Bandwidth Usage by 50% Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP...
over a year ago
3
over a year ago
Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP images to save bandwidth and make this site even faster to load! This simple change reduced my bandwidth usage by 50% and is still backwards compatible with old devices and...
Willem's Blog
Syncing files seamlessly between smartphone and tablet In order to optimise my workflow, I was looking for a way to seamlessly access the same files on...
over a year ago
2
over a year ago
In order to optimise my workflow, I was looking for a way to seamlessly access the same files on both my computer and smartphone. Read along to find out how I did it.
Louwrentius
How to build an energy efficient computer for home use In short: Buy whatever you fucking want. Turn the fucking thing off when you're not using...
over a year ago
3
over a year ago
In short: Buy whatever you fucking want. Turn the fucking thing off when you're not using it. Long: People are spending a lot of time building an energy efficient home computer, that can act as an HTPC, NAS, or whatever. It must consume as little power as possible, because it it...
Matt Blewitt
Control Loops and Rice Cookers Rice cookers are fascinating machines. I’ve owned one for years, as rice is a significant part of my...
over a year ago
2
over a year ago
Rice cookers are fascinating machines. I’ve owned one for years, as rice is a significant part of my regular diet, and it completely removes the stress of preparing rice. They also operate on a simple principle that can help us operate cloud infrastructure – the control loop.
Notes on software...
Administering Kubernetes is hard Kubernetes is easy to use after some exposure; it's pretty convenient too. But it is super hard to...
over a year ago
3
over a year ago
Kubernetes is easy to use after some exposure; it's pretty convenient too. But it is super hard to set up. eksctl is a good tool for folks who don't want to spend hours/days/weeks debugging VPC configuration in 1000s of lines of CloudFormation. None of the other tools seem to be...
Computer Ads from...
Plus Post: Quantum Software Systems Ltd's QNX Operating Systems Come in Many Flavors But QNX Can Take the Heat
8 months ago
Jonas Hietala
Gruvbox Syntax Highlighting for Pandoc Edit: I have updated the highlighting again so the inline code used as examples have changed. I...
over a year ago
3
over a year ago
Edit: I have updated the highlighting again so the inline code used as examples have changed. I guess I should’ve used images to record the look. Recently when I reinstalled Slackware I decided to restyle my workspace as well. I settled on gruvbox with neovim and using the...
Home on Erik...
Music recommendations using cover images (part 1) Scrolling through the Discover page on Spotify the other day it occurred to me that the album is in...
over a year ago
2
over a year ago
Scrolling through the Discover page on Spotify the other day it occurred to me that the album is in fact a fairly strong visual proxy for what kind of content you can expect from it. I started wondering if the album cover can in fact be used for recommendations.
Louwrentius
Benchmarking cheap SSDs for fun, no profit (be warned) The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now...
a year ago
2
a year ago
The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now possible to buy a 1TB solid-state drive for less than €60. However, at such low price points, there is a catch. Although cheap SSDs do perform fine regarding reads, sustained write...
Louwrentius
Compatibility Highpoint RocketRAID 2320 and Samsung Spinpoint F1 There are some reports about incompatibility between RAID controllers and Samsung Spinpoint F1...
over a year ago
2
over a year ago
There are some reports about incompatibility between RAID controllers and Samsung Spinpoint F1 drives. I have no troubles with my 0.5 and 1.0 TB drives from Samsung using mentioned controller. See below: Controller 1: RocketRAID 232x SATA Controller 1/1/1 SAMSUNG HD103UJ...
Willem's Blog
Tudor Black Bay 36 long-term review For the past six months I have been wearing the same watch, every day and night. Read along to learn...
over a year ago
2
over a year ago
For the past six months I have been wearing the same watch, every day and night. Read along to learn what makes the Tudor Black Bay 36 the perfect every day watch.
Louwrentius
Apple is killing off the optical drive just like the floppy disk With the release of the new MacBook Air we are one step closer to killing off the cd-rom and the...
over a year ago
2
over a year ago
With the release of the new MacBook Air we are one step closer to killing off the cd-rom and the dvd. As with the previous MacBook Air, this device has no optical drive. And that is a good thing. People do not need an optical drive. You have the network and you have USB disks....
Engineers Need Art
Stereographer Experimenting in stereo photography and I write an app to create old-fashioned stereoscopic cards.
4 months ago
61
4 months ago
Experimenting in stereo photography and I write an app to create old-fashioned stereoscopic cards.
Computer Ads from...
Mark Williams' C Programming System What C did for Programming Mark Williams has done for C Programming
4 months ago
Ken Shirriff's blog
Wealth distribution in the United States Forbes recently published the Forbes 400 List for 2024, listing the 400 richest people in the United...
2 months ago
4
2 months ago
Forbes recently published the Forbes 400 List for 2024, listing the 400 richest people in the United States. This inspired me to make a histogram to show the distribution of wealth in the United States. It turns out that if you put Elon Musk on the graph, almost the entire US...
Posts on Made of...
Testing and feedback loops Testing and feedback loops This post tries to set out one mental model I have for thinking about...
over a year ago
2
over a year ago
Testing and feedback loops This post tries to set out one mental model I have for thinking about testing and the purpose testing serves in software engineering, and to explore some of the suggestions of this model. As mentioned in an earlier post, I think a lot about working in...
Jonas Hietala
ISOC update I have now worked a bit more than 3 weeks out of my 4 weeks of IDA Summer of Code and this is an...
over a year ago
2
over a year ago
I have now worked a bit more than 3 weeks out of my 4 weeks of IDA Summer of Code and this is an update post of what I’ve done so far. I will write a more extensive summary post at the end of the project. I was planning on writing a weekly summary, but that ship sailed a long...
Good Enough
Lettini is Good Enough We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know...
a year ago
3
a year ago
We put a lot of ourselves into our work, and it occurs to us that you, dear reader, might not know much about us. So we’re starting a new Q&A column to introduce ourselves, one-at-a-time, starting with our resident designer… Who the hell do you think you are? 👋 Hello, I’m...
Notes on software...
Writing to be read There is a common struggle in the writing and maintenance of documentation, checklists, emails,...
over a year ago
2
over a year ago
There is a common struggle in the writing and maintenance of documentation, checklists, emails, guides, etc. Each provides immense value; a document may be the key to an important process. The goal is to remove barriers -- to encourage understanding and correct application of...
Louwrentius
Calculating EXT2 EXT3 EXT4 stride size when using RAID When formatting a RAID device with an EXT filesystem, it is always advised to specify a stride size....
over a year ago
3
over a year ago
When formatting a RAID device with an EXT filesystem, it is always advised to specify a stride size. The format utility will take this stride size into account when formatting a device. The stride size is the number you get when you divide the 'chunck' size, as specified with...
Ken Shirriff's blog
The Intel 8088 processor's instruction prefetch circuitry: a look inside In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's...
9 months ago
3
9 months ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history, leading to the dominance of the x86 architecture that continues to the present.1 One...
Willem's Blog
Collecting health data with Biostrap Wearing a clinical-grade PPG sensor for a month to collect advanced biometrics from my wrist.
over a year ago
Arduino Blog
The Club Master is a Nano RP2040 Connect-powered device that improves your golf swing When playing golf, few things are as important as using the correct form when swinging, since even...
6 months ago
45
6 months ago
When playing golf, few things are as important as using the correct form when swinging, since even small deviations can be the difference between a hole-in-one and additional strokes. To improve his game, Concept Bytes has designed a small clip-on device called the “Club Master.”...
Jonas Hietala
Blogging in Djot instead of Markdown What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps...
10 months ago
2
10 months ago
What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps what is good about Markdown, while revising some of the features that have led to bloat and complexity in the CommonMark spec? John Macfarlane, Beyond Markdown I recently...
Louwrentius
Configuring, attacking and securing VRRP on Linux The VRRP or Virtual Router Redundancy Protocol helps you create a reliable network by using multiple...
over a year ago
3
over a year ago
The VRRP or Virtual Router Redundancy Protocol helps you create a reliable network by using multiple routers in an active/passive configuration. If the primary router fails, the backup router takes over almost seamlessly. This is how VRRP works: Clients connect to a virtual...
./techtipsy
So you need some tech tips... I’m an experienced software developer located in Estonia 🇪🇪🇪🇺 . I don’t simply get things done,...
over a year ago
31
over a year ago
I’m an experienced software developer located in Estonia 🇪🇪🇪🇺 . I don’t simply get things done, I get them done done. Here’s what I bring to the table: software development skillset building useful solutions monitoring, observability incident response I know how to use...
Jonas Hietala
Rising from the Dead, it's Ludum Dare I’ve been a long time gone, been busy with school then having summer vacation and generally not...
over a year ago
3
over a year ago
I’ve been a long time gone, been busy with school then having summer vacation and generally not making games or blogging. But I have revived! I scrambled to push my new website live because today it’s Ludum Dare time! The theme is “Evolution” and it’s the 24th time for Ludum Dare...
Arduino Blog
A stroopwafel doneness detection device If you’re lucky enough to visit the Netherlands and you order a hot drink, you’ll likely be given a...
5 months ago
45
5 months ago
If you’re lucky enough to visit the Netherlands and you order a hot drink, you’ll likely be given a sweet treat as well. That is a stroopwafel, a crispy little waffle-syrup sandwich that the Dutch like to rest on top of their drink so that the rising heat will soften the pastry....
Home on Erik...
Vote for our SXSW panel! If you have a few minutes, you should check out mine and Chris Johnson‘s panel proposal. Go here and...
over a year ago
3
over a year ago
If you have a few minutes, you should check out mine and Chris Johnson‘s panel proposal. Go here and vote: http://panelpicker.sxsw.com/vote/24504 Algorithmic Music Discovery at Spotify ****Spotify crunches hundreds of billions of streams to analyze user's music taste and provide...
Old Vintage...
CAP-X and COMP-X: how the Tandy Pocket Computers got a sucky Japanese assembler I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and...
10 months ago
74
10 months ago
I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and useful, you had to do it in 6502 assembly language. Today I still write 6502 assembly, plus some Power ISA and even a little TMS9900. I like assembly languages and how in control of the...
Arduino Blog
You can now run Arduino and MicroPython side-by-side on multi-core microcontrollers We’re excited to announce a powerful new feature that we have been working on in collaboration with...
6 months ago
76
6 months ago
We’re excited to announce a powerful new feature that we have been working on in collaboration with the MicroPython team!  Starting with the upcoming release (v1.23), MicroPython will offer support for Asymmetric Multiprocessing (AMP) on multi-core microcontrollers, based on the...
Jonas Hietala
Postmortem: Bugger It’s time for the follow up on my latest game Bugger. Wow it seems like forever since I begun this...
over a year ago
3
over a year ago
It’s time for the follow up on my latest game Bugger. Wow it seems like forever since I begun this monthly game business, but it’s only been two months since I first thought about this and here I am having finished my third game. I’ve really come a long way, in the beginning I...
Arduino Blog
Kickstart your tech journey, with the new Arduino Plug and Make Kit! Hey, creating an IoT device shouldn’t be rocket science. We believe technology is for everyone....
5 months ago
62
5 months ago
Hey, creating an IoT device shouldn’t be rocket science. We believe technology is for everyone. That’s why we’ve developed the whole new, beginner-friendly Plug and Make Kit – the easiest way to get started with Arduino!  Inside the box, you’ll find everything you need to create...
Neil Madden
When a KEM is not enough In my previous post, I described the KEM/DEM paradigm for hybrid encryption. The key encapsulation...
over a year ago
2
over a year ago
In my previous post, I described the KEM/DEM paradigm for hybrid encryption. The key encapsulation mechanism is given the recipient’s public key and outputs a fresh AES key and an encapsulation of that key that the recipient can decapsulate to recover the AES key. In this post I...
Style over Substance
3D-printable Raleno 104 lightbox adapter for camera film scanning My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model...
over a year ago
54
over a year ago
My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model turns it into a lightbox that you can use for digital camera scanning of your negative film. It also contains a holder compatible with the Valoi 35mm/120 film carriers. Additionally,...
Lighthouse Blog
Updates March 08
9 months ago
Arduino Blog
Adding proximity unlock to an old car with the Arduino Nano 33 BLE A lot of newer cars have a really nifty feature called “proximity unlock,” which automatically...
5 months ago
33
5 months ago
A lot of newer cars have a really nifty feature called “proximity unlock,” which automatically unlocks the doors when the driver approaches while carrying their key fob. When paired with a push-to-start ignition switch, the driver never has to take their keys out of their pocket....
Home on Erik...
Slides from NYC Machine Learning talk Slides from the talk. Slightly edited because (a) some of the slides make little sense taken out of...
over a year ago
3
over a year ago
Slides from the talk. Slightly edited because (a) some of the slides make little sense taken out of context (b) Slideshare seem to have problem converting some of the stuff. Collaborative filtering at Spotify from Erik Bernhardsson
Style over Substance
Buienalarm / Buienradar Apple Watch complication using Home Assistant Living in the Netherlands, one of the things I really miss on my Apple Watch is a Buienradar...
over a year ago
67
over a year ago
Living in the Netherlands, one of the things I really miss on my Apple Watch is a Buienradar complication. Buienradar, Dutch for rain radar, is a popular site here that uses weather radar images to predict if it’s going to rain in the next few hours. For many people living here,...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 1: The Merge
2 months ago
lcamtuf’s thing
The marvelous disappearing capacitor The performance of photodiode amplifiers can be improved in a clever way.
2 weeks ago
Notes on software...
1 million page views I was delighted to notice this morning that this site has recently passed 1M page views. And since...
3 weeks ago
5
3 weeks ago
I was delighted to notice this morning that this site has recently passed 1M page views. And since Murat wrote about his 1M page view accomplishment at the time, I felt compelled to now too. I started regularly blogging in 2018. For some reason I decided to write a blog post...
Willem's Blog
Wearing WHOOP 4.0 Use WHOOP to see the impact your choices have on your body, think of it as a special kind of mirror...
over a year ago
2
over a year ago
Use WHOOP to see the impact your choices have on your body, think of it as a special kind of mirror - it's so powerful, that I don't take mine off!
./techtipsy
My attempt at archiving nfscars.net Background My mother once had a laptop: the Compaq Armada 1592DT. It came with Windows ME which...
over a year ago
25
over a year ago
Background My mother once had a laptop: the Compaq Armada 1592DT. It came with Windows ME which later got “upgraded” to Windows 98 SE after I managed to completely screw up the OS, a whopping 96MB of RAM and a hard drive that probably wasn’t much larger than 1-3GB. It wasn’t...
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
Neil Madden
Is Datalog a good language for authorization? Datalog is a logic programming language, based on Prolog, which is seeing something of a resurgence...
over a year ago
2
over a year ago
Datalog is a logic programming language, based on Prolog, which is seeing something of a resurgence in interest in recent years. In particular, several recent approaches to authorization (working out who can do what) have used Datalog as the logical basis for access control...
Vitalik Buterin's...
Where to use a blockchain in non-financial applications?
over a year ago
Jonas Hietala
The T-34/0 keyboard layout This is an update to the T-34 keyboard layout I’ve been using for a solid number of weeks. While...
over a year ago
2
over a year ago
This is an update to the T-34 keyboard layout I’ve been using for a solid number of weeks. While there are more changes I’d like to try, I’m quite pleased with these changes so I figured I might as well immortalize them before I explore further. (And I do have a bunch of big...
Home on Erik...
I don't want to learn your garbage query language This is a bit of a rant but I really don't like software that invents its own query language....
over a year ago
2
over a year ago
This is a bit of a rant but I really don't like software that invents its own query language. There's a trillion different ORMs out there. Another trillion databases with their own query language. Another trillion SaaS products where the only way to query is to learn some random...
Home on Erik...
Approximate nearest news As you may know, one of my (very geeky) interests is Approximate nearest neigbor methods, and I'm...
over a year ago
3
over a year ago
As you may know, one of my (very geeky) interests is Approximate nearest neigbor methods, and I'm the author of a Python package called Annoy. I've also built a benchmark suite called ann-benchmarks to compare different packages.
Buck on Software
The Wrong Bet The next decade in SaaS won't look like the last
over a year ago
./techtipsy
Oops, I published my drafts! Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped...
10 months ago
81
10 months ago
Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped up around the time I published my FOSDEM 2024 post. Oops. I recently tried looking for an alternative to writing blog posts in IntelliJ and out of all the options I stuck...
Willem's Blog
Listen to your body Using health data gathered by sensors and wearables I learned to listen to my body. Now I have...
over a year ago
2
over a year ago
Using health data gathered by sensors and wearables I learned to listen to my body. Now I have stopped using bluetooth sensors all together.
Home on Erik...
Being data driven I picked up an issue of Foreign Affairs while flying back to NYC from SFO. It features this long...
over a year ago
2
over a year ago
I picked up an issue of Foreign Affairs while flying back to NYC from SFO. It features this long interview with U.S. General Stanley McChrystal and I thought it was pretty interesting how striking some of the similarities are between fighting in a war and developing software.
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...
2 months ago
3
2 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...
Good Enough
TIL: Managing Raspberry Pi software with a bit less pain For the printer project I'm working on, most of the software behind it runs "in the cloud", but...
a year ago
2
a year ago
For the printer project I'm working on, most of the software behind it runs "in the cloud", but there's some software that needs to run beside each printer, to check for new things to print and manage the process of downloading and sending those things to the printer component...
Posts on Made of...
A Cursed Bug In my day job at Anthropic, we run relatively large distributed systems to train large language...
over a year ago
3
over a year ago
In my day job at Anthropic, we run relatively large distributed systems to train large language models. One of the joys of using a lot of computing resources, especially on somewhat niche software stacks, is that you spend a lot of time running into the long-tail of bugs which...
axio.ms
Internet of kitchen lighting, with OSC This project was completed in June 2015. Wow, is it 2017 already? In this post, I’d like to say...
over a year ago
2
over a year ago
This project was completed in June 2015. Wow, is it 2017 already? In this post, I’d like to say that I wrote a useful little bit of software and built up a crappy hack to demonstrate it but, secretly, the crappy hack came first and I’ve retroactively found something vaguely...
./techtipsy
Your Wi-Fi might be terrible because of Dynamic Frequency Selection (DFS) For a few months, I had issues with my Wi-Fi network. The 2.4 GHz network would be fine, but the 5...
a month ago
33
a month ago
For a few months, I had issues with my Wi-Fi network. The 2.4 GHz network would be fine, but the 5 GHz one would suddenly stop working and completely disappear from the available Wi-Fi networks. OpenWRT upgrades also didn’t improve the situation. This was very annoying. After...
./techtipsy
Testing a cheap ExpressCard to NVMe SSD adapter on my ThinkPad T430 I stumbled upon this post in /r/thinkpad, which got my attention. It showcases an ExpressCard to M.2...
over a year ago
28
over a year ago
I stumbled upon this post in /r/thinkpad, which got my attention. It showcases an ExpressCard to M.2 NGFF adapter that they purchased from AliExpress. The adapter has a similar purpose to the one designed by thinkmods.store, with the added bonus that it could fit longer NVMe...
Applied Cartography
Stripe Sessions 2024 Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I...
8 months ago
3
8 months ago
Stripe held the keynote for Sessions, their annual WWDC/re:invent-esque conference, this morning. I wanted to jot down some thoughts while they’re still fresh. (I think the changelog is the best way to poke around both the changes I’m writing about and the ones that I...
Opsbros
IBM M13 Trackpoint USB Converter Me, never not on the lookout for an opportunity to design something, whether needed or not, worked...
over a year ago
2
over a year ago
Me, never not on the lookout for an opportunity to design something, whether needed or not, worked with @micon to design a module that could fit snugly in the keyboard, and provide a USB-C interface directly into the Keyboard/Mouse module.
Arduino Blog
Deploy your smart meeting room management system with Arduino GIGA Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino,...
3 days ago
8
3 days ago
Managing shared spaces, especially meeting rooms, can be a headache in busy offices. At Arduino, we’ve experienced it firsthand in our flexible and dynamic offices around the world – where colleagues could often be seen wandering around with their laptops, trying to find a quiet...
Arduino Blog
This rolling ball game brings Skee-Ball-style fun from the arcade to your home Ask your friends about their favorite games at the arcade and the most common answer will likely be...
5 months ago
74
5 months ago
Ask your friends about their favorite games at the arcade and the most common answer will likely be Skee-Ball. But while many other popular arcade games have viable at-home alternatives, Skee-Ball doesn’t — at least not unless you’re willing to spend a serious amount of money....
Lighthouse Blog
How to import feeds in Lighthouse
8 months ago
Vitalik Buterin's...
On Radical Markets
over a year ago
Willem's Blog
The Ultimate Freedom Bike With the Brompton foldable bike you find yourself a very versatile companion to go whenever and...
over a year ago
2
over a year ago
With the Brompton foldable bike you find yourself a very versatile companion to go whenever and wherever you please!
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
3
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...
Ken Shirriff's blog
Reverse engineering the 59-pound printer onboard the Space Shuttle The Space Shuttle contained a bulky printer so the astronauts could receive procedures, mission...
4 months ago
3
4 months ago
The Space Shuttle contained a bulky printer so the astronauts could receive procedures, mission plans, weather reports, crew activity plans, and other documents. Needed for the first Shuttle launch in 1981, this printer was designed in just 7 months, built around an Army...
Jonas Hietala
8-puzzle in rust I think rust is one of the most interesting upcoming programming languages out there. So I wrote a...
over a year ago
2
over a year ago
I think rust is one of the most interesting upcoming programming languages out there. So I wrote a solution to the 8-puzzle (see the 15-puzzle) using A*. It also has a breadth first search for solutions on a specific distance away from the goal. The solution is not by any means a...
Home on Erik...
Nearest neighbors and vector models – part 2 – algorithms and data structures This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a...
over a year ago
2
over a year ago
This is a blog post rewritten from a presentation at NYC Machine Learning on Sep 17. It covers a library called Annoy that I have built that helps you do nearest neighbor queries in high dimensional spaces.
Willem's Blog
Protecting VMware ESXi In response to a possible security breach on a VMware ESXi host machine, I search for a way to...
over a year ago
3
over a year ago
In response to a possible security breach on a VMware ESXi host machine, I search for a way to improve security of the management console using NGINX and a firewall
On Life and Lisp
OpenGL 3.1 on Asahi Linux Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost:...
a year ago
5
a year ago
Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost: leapfrogging from OpenGL 2.1 over OpenGL 3.0 up to OpenGL 3.1! Similarly, the OpenGL ES 2.0 support is bumping up to OpenGL ES 3.0. That means more playable games and more functioning...
Home on Erik...
Deep learning for… chess (addendum) My previous blog post about deep learning for chess blew up and made it to Hacker News and a couple...
over a year ago
3
over a year ago
My previous blog post about deep learning for chess blew up and made it to Hacker News and a couple of other places. One pretty amazing thing was that the Github repo got 150 stars overnight.
Applied Cartography
Incumbency Andrew Rea with an interesting and increasingly familiar take about how AI will disrupt...
5 months ago
2
5 months ago
Andrew Rea with an interesting and increasingly familiar take about how AI will disrupt software-focused private equity: Distribution and brand moats can protect your legacy products for a while (esp in enterprise) but eventually you get lapped by competitors with better...
Odds and Ends of...
Christmas Mailbag! Is Elon Musk actually smart? Will HS2 ever be properly finished? Do I like Dominic Cummings? And...
3 days ago
Notes on software...
On NYC, Tokyo and Seoul I’ve lived in NYC for the past year — moved here after years in Philly and after growing up in a...
over a year ago
3
over a year ago
I’ve lived in NYC for the past year — moved here after years in Philly and after growing up in a rural community a few hours west of there. My wife is South Korean and last week concluded my second trip to the suburbs of Seoul to visit her family. We finished up that trip with a...
./techtipsy
I held a talk about my self-hosting adventure! There are two reasons why I haven’t written much lately, and one of them is that I was cooking up...
a year ago
61
a year ago
There are two reasons why I haven’t written much lately, and one of them is that I was cooking up a talk about self-hosting, more specifically my own self-hosting adventure (the other one is the Steam Deck, more about that in the future). The talk took place on May 25th 2023 at...
Louwrentius
Is there an easy and secure way to transfer files? Many organisations just assume that the local physical network is trusted. That their network...
over a year ago
3
over a year ago
Many organisations just assume that the local physical network is trusted. That their network equipment is physically secure and that it is impossible for an attacker to get on the wire and start eavesdropping on network traffic. Many organisations do not seem too concerned about...
Jonas Hietala
Failed mime type for Krita I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open)...
over a year ago
2
over a year ago
I thought Krita worked fine… Until I tried to save. Krita crashed whenever I tried to save (or open) a file and gave the error: Could not find mime type "application/x-krita" Turns out if you reinstall the package shared-mime-info which comes natively with Slackware the...
Engineers Need Art
VPX Scripting - Part 3 (Cut & Paste) Sound code is added in this third in a series of posts about scripting Visual Pinball tables.
8 months ago
Abort Retry Fail
The Birth of Windows Gaming Software is a fluid that expands to fill its container
a year ago
Simply Explained
MAX17043: Battery Monitoring Done Right (Arduino & ESP32) Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's...
over a year ago
2
over a year ago
Building a battery-powered IoT device? Then you'll want to monitor the battery's percentage. Here's how to do it properly.
Jonas Hietala
Doing some online Personality tests For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own...
over a year ago
3
over a year ago
For some reason I’ve done a couple of personality tests the last month, mostly to satisfy my own curiosity. The Braverman Test Inspired by Charles Poliquin’s visit on The Tim Ferriss Show I tried out the Braverman test to determine my neurotransmitter type. The point Charles...
Posts on Made of...
BlackHat/DEFCON 2011 talk: Breaking out of KVM I’ve posted the final slides from my talk this year at DEFCON and Black Hat, on breaking out of the...
over a year ago
3
over a year ago
I’ve posted the final slides from my talk this year at DEFCON and Black Hat, on breaking out of the KVM Kernel Virtual Machine on Linux. Virtunoid: Breaking out of KVM from Nelson Elhage [Edited 2011-08-11] The code is now available. It should be fairly well-commented, and...
Willem's Blog
Beast of the Green Hell Blog post about an amazing AMG Circuit day at the race track of Zolder, Belgium.
over a year ago
Arduino Blog
Technology meets creativity in two interactive art student projects Art and engineering are not separate concepts. There is a great deal of overlap between the two and...
2 months ago
30
2 months ago
Art and engineering are not separate concepts. There is a great deal of overlap between the two and many modern disciplines increasingly blur those lines. Mónica Riki is an “electronic artist and creative coder” who embodies that idea: you might remember her and her incredible...
Louwrentius
I made my blog solar-powered, then things escalated In 2020 I wondered if I could run my blog on solar power, being inspired by Low-tech Magazine, doing...
a year ago
2
a year ago
In 2020 I wondered if I could run my blog on solar power, being inspired by Low-tech Magazine, doing the same thing (but better)1. The answer was 'yes', but only through spring and summer. I live in an apartment complex in The Netherlands and my balcony is facing west. This...
Notes on software...
Windows It has been six years since I last used Windows for any remotely serious software development. I've...
over a year ago
2
over a year ago
It has been six years since I last used Windows for any remotely serious software development. I've used Ubuntu, Arch, or FreeBSD since. But eventually I spent so much time working around common workplace tasks that I decided to put Windows 10 Pro on my work laptop. Windows...
Ken Shirriff's blog
Antenna diodes in the Pentium processor I was studying the silicon die of the Pentium processor and noticed some puzzling structures...
4 weeks ago
6
4 weeks ago
I was studying the silicon die of the Pentium processor and noticed some puzzling structures where signal lines were connected to the silicon substrate for no apparent reason. Two examples are in the photo below, where the metal wiring (orange) connects to small square regions of...
Christian Selig
Trials and Tribulations of Making an Interruptable Custom View Controller Transition on iOS I think it’s safe to say while the iOS custom view controller transition API is a very powerful one,...
over a year ago
20
over a year ago
I think it’s safe to say while the iOS custom view controller transition API is a very powerful one, with that power comes a great deal of complexity. It can be tricky, and I’m having one of those days where it’s getting the better of me and I just cannot get it to do what I want...
Applied Cartography
Use Rails I have a good number of people ask me what software stack they should use. I always have a two-part...
7 months ago
3
7 months ago
I have a good number of people ask me what software stack they should use. I always have a two-part answer: Use what you're familiar with. If there's something that you've spent a good amount of time using, stick with that one. Rails. People are usually surprised when I say this...
Willem's Blog
The value of notifications It's easy to dismiss your phone's notifications as something that disturbs you, but if you take the...
over a year ago
2
over a year ago
It's easy to dismiss your phone's notifications as something that disturbs you, but if you take the time to set them up correctly, notifications can actually save you time!
computers are bad
2024-10-12 commercial HF radio According to a traditional system of classification, "high frequency" or HF refers to the radio...
2 months ago
35
2 months ago
According to a traditional system of classification, "high frequency" or HF refers to the radio spectrum between 3 and 30 MHz. The label now seems anachronistic, as HF is among the lowest ranges of radio frequencies that see regular use. This setting of the goalposts in the early...
./techtipsy
ASRock DeskMini X300: the future form factor of desktop PC-s? I wasn’t happy with my “one machine that does it all” setup, which is why I finally bit the bullet...
over a year ago
35
over a year ago
I wasn’t happy with my “one machine that does it all” setup, which is why I finally bit the bullet and got myself an ASRock DeskMini X300 bare-bones kit. This is a fantastic little desktop PC kit that is very small, quiet and can still be configured to have ridiculous amounts of...
Jonas Hietala
Regex substitution with unicode in Haskell While remaking the site I noticed my automatic embedding of bare youtube links sometimes didn’t...
over a year ago
3
over a year ago
While remaking the site I noticed my automatic embedding of bare youtube links sometimes didn’t work. The culprit was unicode in the document which the regex library couldn’t handle. Apparently while this would be supported by default by almost all modern languages it’s not the...
Louwrentius
RAID 5 vs. RAID 6 or do you care about your data? Storage is cheap. Lots of storage with 10+ hard drives is still cheap. Running 10 drives increases...
over a year ago
3
over a year ago
Storage is cheap. Lots of storage with 10+ hard drives is still cheap. Running 10 drives increases the risk of a drive failure tenfold. So often RAID 5 is used to keep your data up and running if one single disks fails. But disks are so cheap and storage arrays are getting so...
Arduino Blog
Making fire detection more accurate with ML sensor fusion The mere presence of a flame in a controlled environment, such as a candle, is perfectly acceptable,...
4 months ago
30
4 months ago
The mere presence of a flame in a controlled environment, such as a candle, is perfectly acceptable, but when tasked with determining if there is cause for alarm solely using vision data, embedded AI models can struggle with false positives. Solomon Githu’s project aims to lower...
Posts on Made of...
Reflections on software performance At this point in my career, I’ve worked on at least three projects where performance was a defining...
over a year ago
1
over a year ago
At this point in my career, I’ve worked on at least three projects where performance was a defining characteristic: Livegrep, Taktician, and Sorbet (I discussed sorbet in particular last time, and livegrep in an earlier post). I’ve also done a lot of other performance work on the...