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Louwrentius
Affordable server with server-grade hardware part II If you want to build a home server, it may be advised to actually use server-grade components. I...
over a year ago
4
over a year ago
If you want to build a home server, it may be advised to actually use server-grade components. I documented the reasons for choosing server-grade hardware already in an earlier post on this topic. It is recommended to read the old post first. In this new post, I only show new...
./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
36
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...
Posts on Made of...
Git in pictures In my previous blog post, I discussed how git is distinctive among version control system in the way...
over a year ago
4
over a year ago
In my previous blog post, I discussed how git is distinctive among version control system in the way in which it makes the backend model that is being used to store data the most important element of the tool, and that experts use it by having the complete model in their head,...
Notes on software...
Exploring PL/pgSQL part two: implementing a Forth-like interpreter Previously in exploring PL/pgSQL: Strings, arrays, recursion and parsing JSON In my last post I...
over a year ago
4
over a year ago
Previously in exploring PL/pgSQL: Strings, arrays, recursion and parsing JSON In my last post I walked through the basics of PL/pgSQL, the embedded procedural language inside of PostgreSQL. It covered simple functions, recursions and parsing. But there was something very...
Jonas Hietala
Recent experiences with Netrunner tournaments After a bit of a hiatus after the Winter Kit Tournament the 16th January I participated in three...
over a year ago
4
over a year ago
After a bit of a hiatus after the Winter Kit Tournament the 16th January I participated in three tournaments during February - March. After each of these tournaments I started a writeup of them but they fell off my mind a bit but consider this my break with my blogging...
Computer Ads from...
American Heart Association A PSA and an Ad
a month ago
Arduino Blog
Turning a desk mat into a MIDI drum kit Playing drums is a lot of fun, but drum sets are very big and very loud. They also aren’t cheap....
a month ago
33
a month ago
Playing drums is a lot of fun, but drum sets are very big and very loud. They also aren’t cheap. Those factors keep them from being an option for many people who would otherwise be interested. Conventional electronic drum sets are much quieter and a bit more compact, but they...
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
22
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...
GitButler
GitButler 0.13 - "Lucky Baseball" It has been 4 months since our last minor release. In that time, we have done 27 patch releases,...
2 months ago
7
2 months ago
It has been 4 months since our last minor release. In that time, we have done 27 patch releases, adding lots of small features, bug fixes, performance improvements and experiments. Last week we released GitButler 0.13, which is our first release with our new Fearless Rebasing...
Simply Explained
Monitoring my 3D printer with a Pi Zero, Home Assistant and TinyCore Linux Many devices in my home have become "smart" over the last couple of months, with one big exception:...
over a year ago
4
over a year ago
Many devices in my home have become "smart" over the last couple of months, with one big exception: my trusty 3D printer. It's a super reliable Prusa i3 MK3, but it lacks an internet connection.So I decided to use a Pi Zero to keep track of my 3D prints and send the progress to...
seangoedecke.com RSS...
MCTS and LLMs: what's the big deal? Everyone on the internet is recently very excited about large language models and Monte Carlo tree...
6 months ago
4
6 months ago
Everyone on the internet is recently very excited about large language models and Monte Carlo tree search. Going back months, the “Q*” leak…
Style over Substance
My grandfather’s Rolleiflex 2.8D twin-lens reflex (TLR) camera One of the first vintage cameras I ever got was my dad’s old Polaroid SX-70. Like so many family...
over a year ago
65
over a year ago
One of the first vintage cameras I ever got was my dad’s old Polaroid SX-70. Like so many family cameras it had disappeared into a closet decades ago and was only found again recently. When he gave it to me, he told me there was another classic camera he wanted to give me – if...
Notes on software...
Benchmarking esbuild, swc, tsc, and babel for React/JSX projects This is an external post of mine. Click here if you are not redirected.
over a year ago
Odds and Ends of...
How to fix The Observer Slow news is good news?
a month ago
Birchtree
Yet more YouTube videos I've enjoyed recently I guess this is a series now… Do you have a chair where "half dirty" clothes go? If so, this chair...
3 weeks ago
10
3 weeks ago
I guess this is a series now… Do you have a chair where "half dirty" clothes go? If so, this chair will be very compelling. I'm not a big fan of most Apple TV+ shows, but Severance was lovely and I can't wait
Willem's Blog
Clouds below my floor Building a little datacenter in my basement utilising a very fast internet connection.
over a year ago
Arduino Blog
Venderoo is an Arduino Mega-powered DIY vending machine For now-college student Joel Grayson, making something that combined his interests in mechanics,...
3 months ago
24
3 months ago
For now-college student Joel Grayson, making something that combined his interests in mechanics, electronics, and programming while being simultaneously useful to those around him was a longtime goal. His recent Venderoo project is exactly that, as the creatively named vending...
Home on Erik...
Better precision and faster index building in Annoy Sometimes you have these awesome insights. A few days ago I got an idea for how to improve index...
over a year ago
4
over a year ago
Sometimes you have these awesome insights. A few days ago I got an idea for how to improve index building in Annoy. For anyone who isn't acquainted with Annoy – it's a C++ library with Python bindings that provides fast high-dimensional nearest neighbor search.
anderegg.ca
The trouble with openness Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went...
a month ago
10
a month ago
Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went anywhere, but I found it exciting at the time. One piece that particularly spoke to me was the notion of including data in websites so that web scrapers could easily get at it....
Louwrentius
'Linux: unattended installation with Debian preseeding' Debian Linux provides a mechanism to install the operating system without user intervention. This...
over a year ago
4
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...
computers are bad
2023-03-13 the door close button This will probably be a short one, and I know I haven't written for a while, but it has always been...
a year ago
44
a year ago
This will probably be a short one, and I know I haven't written for a while, but it has always been the case that you get what you pay for and Computers Are Bad is nothing if not affordable. Still, this is a topic on which I am moderately passionate and so I can probably stretch...
Avestura's Blog
How to change visibility in massive GitHub organizations like EpicGames? How to publicize and un-publicize your visibility in massive GitHub orgs?
over a year ago
Vitalik Buterin's...
Blockchain voting is overrated among uninformed people but underrated among informed people
over a year ago
./techtipsy
Tiered storage: use the right tool for the job Hard drives are still the default choice for many homelab and data hoarding enthusiasts. They still...
a year ago
49
a year ago
Hard drives are still the default choice for many homelab and data hoarding enthusiasts. They still hold the gigabytes per dollar advantage over SSD-s (for now), and if you buy the big external drives and take the drives out of the enclosures, you can get a pretty good...
Arduino Blog
ardEEG is an Arduino UNO R4 WiFi shield for measuring biosignals The secrets to most of the mind’s mysteries may still elude us, but we’ve made a tremendous amount...
7 months ago
40
7 months ago
The secrets to most of the mind’s mysteries may still elude us, but we’ve made a tremendous amount of progress in reading signals produced by the brain. We may not understand exactly what is going on, but we can see the result and utilize it. And now you can start...
Style over Substance
DIY: Use an IKEA VINDRIKTNING air quality sensor in Home Assistant with ESPHome IKEA has released some interesting new products lately, focused on air quality. In this product...
over a year ago
74
over a year ago
IKEA has released some interesting new products lately, focused on air quality. In this product line, one unit that stands out is the VINDRIKTNING air quality sensor. This cheap (just €9,99) sensor measures the air quality in your home, using a simple traffic light scheme to...
Good Enough
Season 1, Issue 2: Just the Two of Us 0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing...
over a year ago
4
over a year ago
0. Everyone Likes a Giveaway Stick around to hear how you can win a fabulous prize by hardly doing anything. Take it away, fellas… 1. Still Positive Did you know that once you acquire COVID-19 your PCR test can be positive for up to 90 days? Did you know that the at-home tests...
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
4
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.
Applied Cartography
Notes from April Welcome to spring, bona fide and humid. Lots of writing this month: I wrote about spending the past...
8 months ago
4
8 months ago
Welcome to spring, bona fide and humid. Lots of writing this month: I wrote about spending the past two years as an independent technologist. On the media side of things: brief words on Murderville (meh), The Parallax View (incredible), This is Personal (meh), Cribsheet...
Home on Erik...
Why software projects take longer than you think: a statistical model Anyone who built software for a while knows that estimating how long something is going to take is...
over a year ago
4
over a year ago
Anyone who built software for a while knows that estimating how long something is going to take is hard. It's hard to come up with an unbiased estimate of how long something will take, when fundamentally the work in itself is about solving something.
Good Enough
How We Built Unique Social Preview Images for Pika One of the goals of Pika, the happy blogging software that we recently launched, is to help you find...
10 months ago
4
10 months ago
One of the goals of Pika, the happy blogging software that we recently launched, is to help you find your own place on the internet. Along with a nice place on the internet, when you share links to your blog we want them to represent your internet home, which you've likely taken...
Electronics etc…
Guide Technology GT300 Frequency Standard Teardown MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [...
9 months ago
108
9 months ago
MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [ ['$', '$'], ["\\(", "\\)"] ], displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ], processEscapes: true, skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
computers are bad
2023-04-10 solving problems with chatgpt One of the foundational goals of computer technology, at least as understood by popular culture, is...
a year ago
60
a year ago
One of the foundational goals of computer technology, at least as understood by popular culture, is to automate away our jobs. When your job is (put simply) to get computers to work correctly, there's sort of an irony to this view of things. Still, just within the span of my...
Louwrentius
How to compile HAProxy from source and setup a basic configuration To learn more about HAProxy I decided to compile it from source and use it to load-balance traffic...
over a year ago
4
over a year ago
To learn more about HAProxy I decided to compile it from source and use it to load-balance traffic to louwrentius.com across two different web servers. I run HAProxy on a VPS based on Ubuntu 12.04 LTS. Let's dive right in. First, we need to download the source. Don't copy/pased...
Louwrentius
My home network setup based on managed switches and VLANs My home networking setup I live in a two story apartment, with on the top floor my utilities closet...
over a year ago
4
over a year ago
My home networking setup I live in a two story apartment, with on the top floor my utilities closet and my living room. The bottom floor contains a bedroom with all my servers and networking gear. So this is my setup (click for a bigger version): I like to run my own router but...
Good Enough
TIL: Fixing Broken Action Text Images in Atom Feeds For a while now we've seen that images in our Pika atom feeds were not displaying in some feed...
7 months ago
4
7 months ago
For a while now we've seen that images in our Pika atom feeds were not displaying in some feed readers. In fact, they weren't displaying in my own feed reader, which routes through Feedly. I was sad. I spent a lot of time troubleshooting this. Compared our feed with a lot of atom...
Style over Substance
My new purchase: a Zeiss Ikon Nettar 517/16 Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar...
over a year ago
72
over a year ago
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar folding camera sure is bang for buck! The post My new purchase: a Zeiss Ikon Nettar 517/16 appeared first on Style over Substance.
seangoedecke.com RSS...
How I ship projects at big tech companies I have shipped a lot of different projects over the last ~10 years in tech. I often get tapped to...
a month ago
8
a month ago
I have shipped a lot of different projects over the last ~10 years in tech. I often get tapped to lead new ones when it’s important to get…
Abort Retry Fail
The History of Commodore, Part 1 Chuck Peddle, the 6502, MOS, and the PET
a year ago
Arduino Blog
A riddle wrapped in an enigma… made easy, with Arduino Plug and Make Kit The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea...
a month ago
30
a month ago
The Arduino Plug and Make Kit was designed to open up infinite possibilities, breaking down the idea that technology is a “black box” reserved for experts. With its snap-together system, this kit gives everyone – beginners and seasoned makers alike – the power to create and...
Willem's Blog
Half Marathon Discover my journey from noob to (half) marathon finisher and how I balanced data with fitness -...
9 months ago
4
9 months ago
Discover my journey from noob to (half) marathon finisher and how I balanced data with fitness - read about my experiences!
Jonas Hietala
Generating ideas So I got a fairly fun assignment from the game design course I’m taking for once. I should come up...
over a year ago
4
over a year ago
So I got a fairly fun assignment from the game design course I’m taking for once. I should come up with 50 ideas using my own idea generation technique. I used a sort of “notes in the basket” approach where you placed some notes with words in a basket and randomly drew two and...
Arduino Blog
This beautiful table creates art in the sand Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen...
4 months ago
31
4 months ago
Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen gardens that rake themselves in intricate patterns. But most of the builds we’ve seen use a conventional cartesian CNC layout or polar layout. This table by Newsons Electronics takes...
Ken Shirriff's blog
Reverse engineering standard cell logic in the Intel 386 processor The 386 processor (1985) was Intel's most complex processor at the time, with 285,000...
11 months ago
4
11 months ago
The 386 processor (1985) was Intel's most complex processor at the time, with 285,000 transistors. Intel had scheduled 50 person-years to design the processor, but it was falling behind schedule. The design team decided to automate chunks of the layout, developing "automatic...
Notes on software...
Writing a document database from scratch in Go: Lucene-like filters and indexes In this post we'll write a rudimentary document database from scratch in Go. In less than 500 lines...
over a year ago
2
over a year ago
In this post we'll write a rudimentary document database from scratch in Go. In less than 500 lines of code we'll be able to support the following interactions, inspired by Elasticsearch: $ curl -X POST -H 'Content-Type: application/json' -d '{"name": "Kevin", "age": "45"}'...
./techtipsy
How I fixed one hardware issue with another one I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac motherboard that used to run fine, but ever...
over a year ago
26
over a year ago
I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac motherboard that used to run fine, but ever since I installed one UEFI update, it has had this one annoying issue: whenever you reboot, it gets stuck at POST. Cold boots work fine and the shutdown-and-push-the-power-button...
Posts on Made of...
A Brief Introduction to termios If you’re a regular user of the terminal on a UNIX system, there are probably a large number of...
over a year ago
4
over a year ago
If you’re a regular user of the terminal on a UNIX system, there are probably a large number of behaviors you take mostly for granted without really thinking about them. If you press ^C or ^Z it kills or stops the foreground program – unless it’s something like emacs or vim, in...
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...
4 months ago
34
4 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
An invisible Remake What does a guy like me do when not working on a new game? Except living my life, being a coach for...
over a year ago
4
over a year ago
What does a guy like me do when not working on a new game? Except living my life, being a coach for my little brother’s hockey team and eating strawberries? The last week or so I’ve been working hard with my webpage, yes this page. If you’ve visited my site before today you’ll...
Vitalik Buterin's...
Epochs and slots all the way down: ways to give Ethereum users faster transaction confirmation times
6 months ago
Good Enough
Season 3, Issue 3: Cosmic Maelstrom 1. Team Full It's exciting times over here at Good Enough HQ! (There is no Good Enough HQ. I'd say...
a year ago
4
a year ago
1. Team Full It's exciting times over here at Good Enough HQ! (There is no Good Enough HQ. I'd say it's in the cloud, but even clouds are now looked down upon as dirtyish things that should not be enjoyed. And not because of air pollution per se, though perhaps because of...
Vitalik Buterin's...
7ème tour des subventions Gitcoin - Rétrospective
over a year ago
csvbase blog
Parquet: more than just "Turbo CSV" Quicker, but also more convenient
a year ago
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
4
5 months ago
The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would like to admit.
Jonas Hietala
Going to University I mentioned in the last post that I’m going to the university, which might explain my lack of...
over a year ago
4
over a year ago
I mentioned in the last post that I’m going to the university, which might explain my lack of activity here and for that I’m sorry. It’s not as hard as I had imagined, and I don’t have that much in school but there’s still a lot that’s going on. For example now how to make...
Old Vintage...
So thieves broke into your storage unit - again If you've been wondering why entries have been a little slow lately, let me tell you a story. All...
2 months ago
41
2 months ago
If you've been wondering why entries have been a little slow lately, let me tell you a story. All collectors tend to be a bit obsessive by nature, and us classic computer nerds probably pick up more hardware than we can (or should) store in our residence — especially if the...
Notes on software...
Writing a storage engine for Postgres: an in-memory Table Access Method With Postgres 12, released in 2019, it became possible to swap out Postgres's storage engine. This...
a year ago
4
a year ago
With Postgres 12, released in 2019, it became possible to swap out Postgres's storage engine. This is a feature MySQL has supported for a long time. There are at least 8 different built-in engines you can pick from. MyRocks, MySQL on RocksDB, is another popular third-party...
Louwrentius
The impact of the MDADM bitmap on RAID performance Introduction I'm aware that most people with intensive storage workloads won't run those workloads...
over a year ago
4
over a year ago
Introduction I'm aware that most people with intensive storage workloads won't run those workloads on hard drives anymore, that ship has sailed a long time ago. SSDs have taken their place (or 'the cloud'). For those few left who do use hard drives in Linux software RAID setups...
Old Vintage...
Thou shalt follow these Vintage Computing Commandments Thou shalt check voltage and polarity on new-to-thee power supplies, or thy machines shall be smote...
11 months ago
67
11 months ago
Thou shalt check voltage and polarity on new-to-thee power supplies, or thy machines shall be smote and release smoke. This is sometimes very hard to judge without a load, but they should be somewhere in the ballpark, verily, and you should get in the habit of checking any new...
Arduino Blog
Check out these Arduino-powered research projects from CHI 2024 Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference...
7 months ago
97
7 months ago
Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference on Human Factors in Computing Systems (CHI) that focuses on the latest developments in human-computer interaction. Students from universities all across the world attended the...
Arduino Blog
Assess your aquarium’s health with an AI-enabled ultrasonic sensor Below the surface of any body of water, harmful amounts of toxic gases and contaminates can...
8 months ago
110
8 months ago
Below the surface of any body of water, harmful amounts of toxic gases and contaminates can accumulate, which leads to a loss in fish and plant populations if not fixed quickly. But because most water testing, especially in aquariums, is done primarily on the surface, vital...
./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
33
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...
Matt Mullenweg
Age-gating I’m not opposed to age-gating at all, I think it’s appropriate in many situations and useful, and...
a month ago
10
a month ago
I’m not opposed to age-gating at all, I think it’s appropriate in many situations and useful, and democratic societies can decide their own rules there. But it should be handled and authenticated as low-level as possible, at the operating system layer. See also: Australia’s...
Louwrentius
'Tool of the month: iftop - advanced bandwidth monitoring' The utility iftop allows you to monitor bandwidth usage. It is in some sense similar to tools like...
over a year ago
4
over a year ago
The utility iftop allows you to monitor bandwidth usage. It is in some sense similar to tools like iptraf, dstat and bwm-ng. Iftop is more special than those. Because iftop lets you monitor the speed of individual TCP / UDP connections. Basically, you will be able to determine...
Jonas Hietala
MenuCity: Level 0 Walkthrough It hasn’t even been a week since I released my latest game MenyCity and already so much positive...
over a year ago
4
over a year ago
It hasn’t even been a week since I released my latest game MenyCity and already so much positive feedback! I’m so thrilled :) However, all isn’t blue skies and nice sunshine. A lot of times the first question is: How do you play it? or How do you get past the first level? I admit...
Jonas Hietala
Let's build a VORON: Toolhead Since the last update I’ve made some good progress: All the motors are installed The x-axis and belt...
a year ago
4
a year ago
Since the last update I’ve made some good progress: All the motors are installed The x-axis and belt are installed Tap is installed The toolhead with Stealthburner + Clockwork 2 is also installed Purple means Pretty. I’ve run into a few problems on the way that I’ll try to...
somenice
CBC Spark with Nora Young Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in...
6 months ago
49
6 months ago
Really upset to recently learn that Spark with Nora Young has been cancelled by the CBC, ending in June 2024. (Announcement episode) One of the most intelligent, progressive technology-in-society news shows in Canada or anywhere for that matter. Perhaps that it’s medium is radio...
Home on Erik...
Running Theano on EC2 Inspired by Sander Dieleman's internship at Spotify, I've been playing around with deep learning...
over a year ago
4
over a year ago
Inspired by Sander Dieleman's internship at Spotify, I've been playing around with deep learning using Theano. Theano is this Python package that lets you define symbolic expressions (cool), does automatic differentiation (really cool), and compiles it down into bytecode to run...
Home on Erik...
The half-life of code & the ship of Theseus As a project evolves, does the new code just add on top of the old code? Or does it replace the old...
over a year ago
4
over a year ago
As a project evolves, does the new code just add on top of the old code? Or does it replace the old code slowly over time? In order to understand this, I built a little thing to analyze Git projects, with help from the formidable GitPython project.
Louwrentius
Belkin Gigabit USB 2.0 adapter works perfectly with Linux My ISP upgraded my internet connection speed to a whopping 120 Mbit. I am using a mac mini as my...
over a year ago
4
over a year ago
My ISP upgraded my internet connection speed to a whopping 120 Mbit. I am using a mac mini as my internet router. As you may be aware, the mini has only one network interface, so I added a second interface using a USB to ethernet adapter. This adapter was limited to 100 Mbit, so...
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
4
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...
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
4
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...
Vitalik Buterin's...
[Mirror] Exploring Elliptic Curve Pairings
over a year ago
Louwrentius
Linux Mac Mini - temperature monitoring with lm-sensors This post is about getting temperature monitoring to work with a Mac Mini running Linux. Using...
over a year ago
4
over a year ago
This post is about getting temperature monitoring to work with a Mac Mini running Linux. Using Debian Lenny, out of the box, lm-sensors is not working. No sensors can be found. This is how temperature monitoring and fan speed monitoring can be made to work: modprobe applesmc If...
Notes on software...
Speeding up Go's builtin JSON encoder up to 55% for large arrays of objects This is an external post of mine. Click here if you are not redirected.
over a year ago
Posts on Made of...
Distributed cloud builds for everyone CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous....
over a year ago
4
over a year ago
CPU cycles are cheaper than they have ever been, and cloud computing has never been more ubiquitous. All the major cloud providers offer generous free tiers, and services like GitHub Actions offer free compute resources to open-source repositories. So why do so many developers...
lcamtuf’s thing
Electric chainsaws and the gorge of misery Lithium batteries are great -- so why do mid-size electric power tools suck in 2024?
4 months ago
Notes on software...
Let's build a distributed Postgres proof of concept What is CockroachDB under the hood? Take a look at its go.mod and notice a number of dependencies...
over a year ago
4
over a year ago
What is CockroachDB under the hood? Take a look at its go.mod and notice a number of dependencies that do a lot of work: a PostgreSQL wire protocol implementation, a storage layer, a Raft implementation for distributed consensus. And not part of go.mod but still building on 3rd...
Willem's Blog
Google Analytics vs AWStats Comparing Google Analytics with AWStats to find out where they differ and which is better.
over a year ago
Willem's Blog
Designing my own watch Last month I received my custom made wristwatch from Switzerland, it is a minimalistic mechanical...
over a year ago
4
over a year ago
Last month I received my custom made wristwatch from Switzerland, it is a minimalistic mechanical annual calendar designed to be understated and true to the metal.
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,...
2 weeks ago
19
2 weeks 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...
Ken Shirriff's blog
Inside an IBM/Motorola mainframe controller chip from 1981 In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip,...
5 months ago
4
5 months ago
In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip, I need to give some background on mainframes. (I didn't completely analyze the chip, so don't expect a nice narrative or solid conclusions.) Die photo of the Motorola/IBM SC81150...
Good Enough
Cosmic Maelstrom As Barry wrote in his recent blogpost, we're busy building prototypes here at Good Enough. It's...
a year ago
4
a year ago
As Barry wrote in his recent blogpost, we're busy building prototypes here at Good Enough. It's weird to be in this situation. Most of the Good Enough team are used to working on just one software at a time, focusing on steadily improving it. But right now we're doing the...
Abort Retry Fail
Housekeeping 20241208 Corrections, stats, and an update
3 weeks ago
Jonas Hietala
Notifications with xmonad/irssi/urxvt So I’ve been idling on irc for years now and I’ve been using irssi for that, which works fine. I...
over a year ago
4
over a year ago
So I’ve been idling on irc for years now and I’ve been using irssi for that, which works fine. I have not had notifications enabled, so I can see from the statusbar whenever someone messages me. As I’ve never been very active this has been fine, but now I figured it’s time to fix...
Louwrentius
PPSS version 2.30 now operates asynchronous If you background a bash or shell process, how do you determine if it has finished? Since inter...
over a year ago
4
over a year ago
If you background a bash or shell process, how do you determine if it has finished? Since inter process communication is not possible using shell scripts, people often refer to while loops or other polling mechanisms to determine if some process has stopped. However, the one...
Home on Erik...
The number of letters in the word for each number Just for fun, I generated these graphs of the number of letters in the word for each number. I...
over a year ago
4
over a year ago
Just for fun, I generated these graphs of the number of letters in the word for each number. I really spent about 10 minutes on this (ok…possibly also another 40 minutes tweaking the plots): More languages!
Arduino Blog
This UNO R4 WiFi-controlled device streamlines a restaurant’s online order system Most successful restaurants operating today have to take advantage of online ordering, as a huge...
4 months ago
64
4 months ago
Most successful restaurants operating today have to take advantage of online ordering, as a huge chunk of customers have switched to takeout and delivery. But point-of-sale (POS) systems don’t always integrate well into a kitchen’s workflow and that can lead to missed orders —...
Jonas Hietala
Postmortem: MenuCity Good times, good times. MenuCity has been out a while and thanks for all the positive and...
over a year ago
4
over a year ago
Good times, good times. MenuCity has been out a while and thanks for all the positive and constructive feedback guys, it’s like my food doing this (programming is my air and the fun is the water… err). Anyway here’s the postmortem of my latest, and greatest, game. Let’s start...
Home on Erik...
Norvig's claim that programming competitions correlate negatively with being good on the job I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation...
over a year ago
4
over a year ago
I saw a bunch of tweets over the weekend about Peter Norvig claiming there's a negative correlation between being good at programming competitions and being good at the job. There were some decent Hacker News comments on it.
Matt Mullenweg
Carmack & Rogan I guess something has changed with the Joe Rogan / Spotify deal and now all the old episodes are on...
a month ago
10
a month ago
I guess something has changed with the Joe Rogan / Spotify deal and now all the old episodes are on YouTube again, which means the gems from the archives can now pop up. I was alerted to this conversation between Joe Rogan and John Carmack, and it’s pure gold. I know I’m five...
Willem's Blog
The day I killed my LAN I killed my office LAN and went 4G only. Saves a lot of clutter, energy and money.
over a year ago
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
41
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...
Lighthouse Blog
Hidden features
7 months ago
Jonas Hietala
The Experimental Games It’s been nine months since I started doing Experimental Games and I think it’s time to evaluate and...
over a year ago
4
over a year ago
It’s been nine months since I started doing Experimental Games and I think it’s time to evaluate and maybe go in a new direction. At first I had been stuck for ages with my never-ending projects and I had literally nothing to show for all my coding. Well now things have changed a...
seangoedecke.com RSS...
Blockchain for beginners Introduction This is a guide for developers who kinda sorta know what blockchains are for (making...
over a year ago
4
over a year ago
Introduction This is a guide for developers who kinda sorta know what blockchains are for (making distributed crypto-currencies like Bitcoin…
Christian Selig
Juno for YouTube has been removed from the App Store For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store...
3 months ago
44
3 months ago
For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store stating that Juno does not adhere to YouTube guidelines and modifies the website in a way they don’t approve of, and alludes to their trademarks and iconography. I don’t personally...
seangoedecke.com RSS...
Writing good technical explanations Software engineering is mainly learning. There is a great demand for technical explanations, and...
over a year ago
4
over a year ago
Software engineering is mainly learning. There is a great demand for technical explanations, and many thousands of books, talks and blog…
Home on Erik...
I already found the best gifs Just search for “hackers gif“. There you go. Fun for your work emails for the next 500 years. From...
over a year ago
4
over a year ago
Just search for “hackers gif“. There you go. Fun for your work emails for the next 500 years. From the awesome movie Hackers. That movie together with The Warriors convinced me that I wanted to live in NYC when I was like… 14 years old.
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
4
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...
heavymeta.org
CrowdStrike's Impact on Aviation Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike...
5 months ago
4
5 months ago
Just after midnight Eastern Time on July 19, 2024, the enterprise cybersecurity company CrowdStrike YOLOed a software update to millions of Windows machines. Or as they put it: On July 19, 2024 at 04:09 UTC, as part of ongoing operations, CrowdStrike released a sensor...
Birchtree
OpenAI is early Googling late-stage Google Chuck W. Nelson: Google's Search Results Are Infested, and Open AI Is Using Google's Playbook From...
5 days ago
13
5 days ago
Chuck W. Nelson: Google's Search Results Are Infested, and Open AI Is Using Google's Playbook From the 2000s In order for Google to keep its crown, it needs to remember what it was in the 2000s and a bit of luck. Seeing Google grow from the
Arduino Blog
Monitoring the weather with an Arduino MKR WiFi 1010-based station Being able to monitor the weather in real-time is great for education, research, or simply to...
8 months ago
88
8 months ago
Being able to monitor the weather in real-time is great for education, research, or simply to analyze how the local climate changes over time. This project by Hackster.io user Pradeep explores how he was able to design a simple station outdoors that could communicate with a...
Vitalik Buterin's...
The end of my childhood
11 months ago
Louwrentius
Got myself a Norco RPC-4020 I've got this fetish for storage. So I bought a case that gives me some room for future expantion....
over a year ago
4
over a year ago
I've got this fetish for storage. So I bought a case that gives me some room for future expantion. The current 6 TB RAID 6 storage server does not have any room for expantion. This Norco RPC-4020 case with 20 hot swap drive bays does however. Don't know what to fill it with yet.
Louwrentius
Compiling Multicore PAR2 on Ubuntu 12.04 LTS Precise Pangolin If you want to compile PAR2 with multicore support on Linux, it may not work right away from source....
over a year ago
5
over a year ago
If you want to compile PAR2 with multicore support on Linux, it may not work right away from source. I used this version of PAR2 with multicore support. Update 2015: the original link is dead, I foud a copy of the source and put it on my own site here for you to download. First,...
Lighthouse Blog
Introducing Lighthouse - The RSS reader, newsletter reader, and read-it-later app to fight content...
9 months ago
Home on Erik...
The hacker's guide to uncertainty estimates It started with a tweet: New years resolution: every plot I make during 2018 will contain...
over a year ago
3
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...
Notes on software...
Enumerating and analyzing 40+ non-V8 JavaScript implementations V8 is, I'm sure, the most used implementation of JavaScript today. Used in Chrome, (and by...
over a year ago
4
over a year ago
V8 is, I'm sure, the most used implementation of JavaScript today. Used in Chrome, (and by extension) Microsoft Edge, Node.js, etc. Safari's JavaScriptCore and Firefox's SpiderMonkey are also contenders for extremely mainstream implementations. But what else is out there? What if...
Willem's Blog
Creating a minimal road bike I wondered how hard it would be to make a bike from spare parts I had in my garage
over a year ago
Engineers Need Art
Same Stop Marvelling at the full circle life seems to have taken after retirement.
a year ago
Jonas Hietala
5 Kup After a season with very bad attendence, I blame school and lack of motivation, I still went to...
over a year ago
4
over a year ago
After a season with very bad attendence, I blame school and lack of motivation, I still went to grading. I slept well but I was super stressed all weekend so I had to constantly run to the bathroom and I couldn’t eat lunch or breakfast properly, and I don’t usually get...
computers are bad
2023-07-29 Free Public WiFi Remember Free Public WiFi? Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree...
a year ago
59
a year ago
Remember Free Public WiFi? Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree Plaza in Atlanta, Georgia. This was in the age when the price of a hotel room was directly correlated with the price of the WiFi service, and as a high school student I was not...
Arduino Blog
Galco goes Platinum! Welcome our newest SIPP Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce...
8 months ago
84
8 months ago
Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce distributor that specializes in providing a wide range of industrial and commercial electrical and electronic products, focusing on maintenance, repair, and operations (MRO).  Known for...
Jonas Hietala
The Little Things in Life It’s the little things in life that makes it extra special. Sometimes it’s the luxury of coffee...
over a year ago
4
over a year ago
It’s the little things in life that makes it extra special. Sometimes it’s the luxury of coffee together with the morning paper and other times it’s just a small simple smile from a random stranger, kid or dog. Today when I got this bad headache I got saved by a two hour nap and...
Electronics etc…
Increasing Frequency Counter Precision with Linear Regression MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [...
a year ago
64
a year ago
MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [ ['$', '$'], ["\\(", "\\)"] ], displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ], processEscapes: true, skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
Home on Erik...
Why I went into the mortgage industry I just realized last Thursday that I have spent two full years at Better, incidentally on the same...
over a year ago
2
over a year ago
I just realized last Thursday that I have spent two full years at Better, incidentally on the same day as we announced a $15M round led by Kleiner Perkins. So it was a good point to reflect a bit and think back – what the F led me to abandon my role managing the machine learning...
Computer Ads from...
Intel's Inboard 386/PC Welcome to the 1990s.
2 months ago
Willem's Blog
Write your own words Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for...
a month ago
8
a month ago
Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for human creativity.
Louwrentius
Raspberry Pi as a router using a single network interface Introduction Disclaimer: this article is intended for consumers and hobbyists. If you want to run...
over a year ago
4
over a year ago
Introduction Disclaimer: this article is intended for consumers and hobbyists. If you want to run your own router at home, the Raspberry Pi 4 Model B1 can be an excelent hardware choice: it's fairly cheap it's fast enough it can saturate it's gigabit network port it is...
Applied Cartography
Always use an enum for your status field When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now...
3 months ago
4
3 months ago
When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now — I was thrilled by the concept of an "architecture review", and by extension the concept of a "Principal Engineer" (Amazon's term for a staff-level engineer, someone beyond...
On Life and Lisp
Passing the reins on Panfrost Today is my last day at Collabora and my last day leading the Panfrost driver. It’s been a wild...
a year ago
6
a year ago
Today is my last day at Collabora and my last day leading the Panfrost driver. It’s been a wild ride. In 2017, I began work on the chai driver for Mali T (Midgard). chai would later be merged into Lyude Paul’s and Connor Abbott’s BiOpenly project for Mali G (Bifrost) to form...
Vitalik Buterin's...
Should Ethereum be okay with enshrining more things in the protocol?
a year ago
Willem's Blog
Replacing a Shimano shift cable After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and...
over a year ago
4
over a year ago
After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and needed replacement. Read my blog post to learn how to do this yourself.
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.
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
4
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...
Good Enough
TIL: Rails has_one Nested Attributes Tweaking In a project I'm working on right now I've been using a Rails nested form and a couple of things...
a year ago
4
a year ago
In a project I'm working on right now I've been using a Rails nested form and a couple of things caught me off guard. has_one Nested Form Sending id Attribute In this case I have a nested form that is in a has_one relationship with the parent model. I think this is a common thing...
Jonas Hietala
The current T-34 keyboard layout I’ve been documenting my own keyboard layout in a series for a while now. But as the layout is...
over a year ago
4
over a year ago
I’ve been documenting my own keyboard layout in a series for a while now. But as the layout is constantly changing it’s been difficult to piece together how the layout currently looks like, so this post tries to show how the layout looks right now in it’s entirety. If you want to...
Willem's Blog
Tablet as Tool Discover the hidden advantages of the iPad Pro in this insightful blog post, offering tips and...
a year ago
4
a year ago
Discover the hidden advantages of the iPad Pro in this insightful blog post, offering tips and personal experiences to help you maximise the tablet's potential and redefine your workflow.
./techtipsy
My self-hosting setup has an UPS now, here's my experience with it I changed my setup again. I’m now the proud owner of an APC Smart-UPS 750. Why? Because I got it as...
over a year ago
47
over a year ago
I changed my setup again. I’m now the proud owner of an APC Smart-UPS 750. Why? Because I got it as a gift, and I have never actually had an UPS before, so it makes for a good introduction to this world. Overview My setup is quite basic: everything that I have on my table...
GitButler
The New Era of Town Hall Chat We're moving from Slack to Discord so we can involve our community more. Here's how we did it and...
4 months ago
4
4 months ago
We're moving from Slack to Discord so we can involve our community more. Here's how we did it and more importantly, why.
Notes on software...
What's the big deal about Deterministic Simulation Testing? Bugs in distributed systems are hard to find, largely because systems interact in chaotic ways. And...
4 months ago
4
4 months ago
Bugs in distributed systems are hard to find, largely because systems interact in chaotic ways. And even once you've found a bug, it can be anywhere from simple to impossible to reproduce it. It's about as far away as you can get from the ideal test environment: property...
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
4
over a year ago
With the release of the new MacBook Air we are one step closer to killing off the cd-rom and the dvd. As with the previous MacBook Air, this device has no optical drive. And that is a good thing. People do not need an optical drive. You have the network and you have USB disks....
Jonas Hietala
Soda These quotes are from hacker news and I found them all too funny. It’s hard for me to understand the...
over a year ago
4
over a year ago
These quotes are from hacker news and I found them all too funny. It’s hard for me to understand the whole soda phenomenon in Canada and the US. Is it as addictive as cigarettes? Does it make you crave for more? Or it simply tastes so good that you can’t get enough of it? Why not...
Lars Lofgren
CNN and USA Today Have Fake Websites, I Believe Forbes Marketplace Runs Them What if I told you that Forbes Marketplace, the affiliate company operating on Forbes.com ALSO had...
3 months ago
4
3 months ago
What if I told you that Forbes Marketplace, the affiliate company operating on Forbes.com ALSO had agreements with CNN and USA Today? And that Forbes Marketplace was stuffing those sites full of affiliate content just like it is with Forbes? And what if Forbes Marketplace went to...
Lighthouse Blog
Updates February 02
11 months ago
Applied Cartography
Why should a company? For a long time, my goal with Buttondown was largely around failure avoidance: "I want to get my...
9 months ago
4
9 months ago
For a long time, my goal with Buttondown was largely around failure avoidance: "I want to get my first paying customer so I know it's not a fake product"; "I want to hit a thousand dollars in revenue so I know it's not just friends humoring me"; "I want to make $10K/mo or else I...
Arduino Blog
Make your scary Halloween pumpkin smart with the Plug and Make Kit! With Halloween just around the corner, we’ve got the perfect project to make your decorations more...
2 months ago
34
2 months ago
With Halloween just around the corner, we’ve got the perfect project to make your decorations more fun and interactive. All you have to do is take the Arduino UNO R4 WiFi and Modulino nodes included in your Plug and Make Kit to create an awesome jack-o’-lantern that will light up...
Arduino Blog
Machine-to-machine communication is easier than ever: Opta now supports OPC UA OPC Unified Architecture – OPC UA in short – is a cross-platform, open-source machine-to-machine...
a month ago
25
a month ago
OPC Unified Architecture – OPC UA in short – is a cross-platform, open-source machine-to-machine communication protocol for industrial automation. It was developed by the Open Platform Communications (OPC) Foundation and is defined in detail in the IEC 62541 standard. With the...
Posts on Made of...
Write yourself an strace in 70 lines of code Basically anyone who’s used Linux for any amount of time eventually comes to know and love the...
over a year ago
3
over a year ago
Basically anyone who’s used Linux for any amount of time eventually comes to know and love the strace command. strace is the system-call tracer, which traces the calls that a program makes into the kernel in order to interact with the outside world. If you’re not already familiar...
Posts on Made of...
A week with the iPhone I’ve had a new iPhone for about a week now, so I figure it’s time to write up some thoughts about...
over a year ago
4
over a year ago
I’ve had a new iPhone for about a week now, so I figure it’s time to write up some thoughts about it. First, the little things. It is, in typical Apple fashion, an incredibly slick piece of work. Scrolling and zooming images or webpages is simple, easy, and, well, just fun to do...
Willem's Blog
Commuting by bike One week on the VanMoof Electrified S E-bike testing it for commuting and comparing it to a normal...
over a year ago
4
over a year ago
One week on the VanMoof Electrified S E-bike testing it for commuting and comparing it to a normal bike.
Odds and Ends of...
Odds and Ends #43: An awesome drone trial in central London, legalised e-scooters at last, and... And yes, I am on Bluesky.
a month ago
Vitalik Buterin's...
Having a safe CEX: proof of solvency and beyond
over a year ago
Applied Cartography
Gosling’s Old Rum Virginia has draconian liquor laws, which means I have to get interesting bottles shipped from...
11 months ago
4
11 months ago
Virginia has draconian liquor laws, which means I have to get interesting bottles shipped from [REDACTED], a site on which I am very prone to judging a book by its cover; every month I'll end up purchasing a bottle of something purely because it looks interesting and I can...
Home on Erik...
MCMC for marketing data The other day I was looking at marketing spend broken down by channel and wanted to compute some...
over a year ago
4
over a year ago
The other day I was looking at marketing spend broken down by channel and wanted to compute some simple uncertainty estimates. I have data like this: <th> Total spend </th> <th> Transactions </th> Channel A <td> 2292.
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
4
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...
Matt Mullenweg
State of the Word Tokyo It’s a dream come true being here in Tokyo for State of the Word 2024. We’re going to be in an...
2 weeks ago
15
2 weeks ago
It’s a dream come true being here in Tokyo for State of the Word 2024. We’re going to be in an amazing venue that looks over the city. Most of WordPress and Automattic’s senior leadership is here, and we’ll also have several hundred folks from the local community and press. We’ve...
Notes on software...
Intercepting and modifying Linux system calls with ptrace How software fails is interesting. But real-world errors can be infrequent to manifest....
a year ago
4
a year ago
How software fails is interesting. But real-world errors can be infrequent to manifest. Fault injection is a formal-sounding term that just means: trying to explicitly trigger errors in the hopes of discovering bad logic, typically during automated tests. Jepsen and ChaosMonkey...
Willem's Blog
Solo around the Markermeer (211KM) This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read...
over a year ago
4
over a year ago
This week I took my bike for a long distance (211)KM ride around the Dutch Markermeer, solo! Read along for practical tips for long distance cycling.
Vitalik Buterin's...
Base Layers And Functionality Escape Velocity
over a year ago
Home on Erik...
Black Box Machine Learning in the Cloud There's a bunch of companies working on machine learning as a service. Some old companies like...
over a year ago
4
over a year ago
There's a bunch of companies working on machine learning as a service. Some old companies like Google, but now also Amazon and Microsoft. Then there's a ton of startups: PredictionIO ($2.7M funding), BigML ($1.6M funding), Clarifai, etc, etc.
./techtipsy
Running my ThinkPad T430 with an eGPU in 2024 I probably shouldn’t have written down my notes on the eGPU setup I had years ago. I’d be lying if I...
4 months ago
53
4 months ago
I probably shouldn’t have written down my notes on the eGPU setup I had years ago. I’d be lying if I wasn’t considering remaking this setup with everything I’ve learned 6 years later. Oops. I got access to an allegedly-faulty AMD Radeon RX 480 and an NVIDIA GTX 1650 for free...
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
4
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...
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
4
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.
Computer Ads from...
Vote for the April 2004 Plus Post Topic If you are a paid subscriber, voting is open for one week
9 months ago
Lighthouse Blog
A primer on view management
7 months ago
Home on Erik...
Luigi Presentation @ NYC Data Science, Dec 16, 2014 More Luigi presentations!
over a year ago
Jonas Hietala
Goals for Autumn 2016 Every once and a while I like to redo my priorities and set new goals for myself. I recently read...
over a year ago
4
over a year ago
Every once and a while I like to redo my priorities and set new goals for myself. I recently read the book 59 seconds which among other things presented a way of structuring goals I will try out. In short you should divide your main goal into 5 subgoals with a date of completion,...
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
4
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.
Arduino Blog
Alumnus Software joins Arduino’s System Integrators Partnership Program We are thrilled to announce that Alumnus Software, based in India and the United States, has joined...
a month ago
33
a month ago
We are thrilled to announce that Alumnus Software, based in India and the United States, has joined our System Integrators Partnership Program (SIPP) at the Gold level. With over 20 years of expertise in embedded software, IoT applications, and Edge AI development, Alumnus has a...
Neil Madden
Machine Learning and the triumph of GOFAI I’ve been slowly reading Brian Cantwell Smith’s “The Promise of Artificial Intelligence” recently. I...
6 months ago
4
6 months ago
I’ve been slowly reading Brian Cantwell Smith’s “The Promise of Artificial Intelligence” recently. I haven’t finished reading it yet, and like much of BCS’s writing, it’ll probably take me 3 or 4 read-throughs to really understand it, but there’s one point that I want to pick up...
Arduino Blog
Meet Real Robot One V2: A mini DIY industrial robot arm Started in 2022 as an exploration of what’s possible in the field of DIY robotics, Pavel Surynek’s...
5 months ago
31
5 months ago
Started in 2022 as an exploration of what’s possible in the field of DIY robotics, Pavel Surynek’s Real Robot One (RR1) project is a fully-featured 6+1-axis robot arm based on 3D-printed parts and widely available electronics. The initial release was constructed with PETG...
Louwrentius
Performance monitoring using dstat I'd like to introduce the utility 'dstat'. Dstat provides detailed statistics about what is...
over a year ago
4
over a year ago
I'd like to introduce the utility 'dstat'. Dstat provides detailed statistics about what is currently happening on your Linux box. Dstat allows you to monitor the system load, disk troughput, disk io, network bandwith, and many more items. Dstat is so valuable because it...
Home on Erik...
Subway waiting math Why does it suck to wait for things? In a previous post I analyzed a NYC subway dataset and found...
over a year ago
4
over a year ago
Why does it suck to wait for things? In a previous post I analyzed a NYC subway dataset and found that at some point, quite early, it's worth just giving up. This isn't a proof that the subway doesn't run on time – in fact it might actually proves that the subway runs really...
Louwrentius
Neato XV-15 / XV-11 Robotic Vacuum cleaner review Update 18 February 2012 There is one problem. When the robot is not connected to the charger, the...
over a year ago
4
over a year ago
Update 18 February 2012 There is one problem. When the robot is not connected to the charger, the batteries are depleted very fast. Even if the batteries are not entirely depleted and the robot can still display the menu, the clock loses it's time. Every time the robot gets a too...
Notes on software...
The year in books: 2022 In 2022 I finished 20 books spanning 15,801 pages. 3 more than I read in 2021, but about twice the...
a year ago
4
a year ago
In 2022 I finished 20 books spanning 15,801 pages. 3 more than I read in 2021, but about twice the number of pages. 3 fiction and 17 non-fiction. Another ~30 started but not finished. I had a hard time reading books while I was trying to start my own company. But I also...
Louwrentius
LFS - Linux Firewall Script released I started a small new Google project for a new script I wrote called LFS. It stands for Linux...
over a year ago
4
over a year ago
I started a small new Google project for a new script I wrote called LFS. It stands for Linux Firewall Script. I run a small Linux box as an internet router that doubles as a firewall. The firewall is configured using iptables. In my opinion, iptables is not the easiest tool to...
./techtipsy
The Fedora Linux starter pack: everything you need for a smooth experience I like Fedora Linux. It’s the Linux distro that stopped my habit of distro-hopping. Big deal? Ooh,...
2 months ago
51
2 months ago
I like Fedora Linux. It’s the Linux distro that stopped my habit of distro-hopping. Big deal? Ooh, big deal! It’s stable in day-to-day use, ships with up-to-date software, and the software selection is adequate out of the box. It also ships with a fresh Linux kernel version1,...
Matt Mullenweg
Inc Hit Piece When Inc Magazine reached out to have David H. Freedman (website powered by WordPress) write a...
2 weeks ago
26
2 weeks ago
When Inc Magazine reached out to have David H. Freedman (website powered by WordPress) write a feature piece I was excited because though Inc wasn’t a magazine I have read much since I was a teenager, David seemed like a legit journalist who usually writes for better publications...
Vitalik Buterin's...
On Free Speech
over a year ago
Computer Ads from...
Comics from 1985/12 Australian Personal Computer Mag Some computer related levity from OZ
3 weeks ago
Louwrentius
Using InfiniBand for cheap and fast point-to-point Networking InfiniBand networking is quite awesome. It's mainly used for two reasons: low latency high...
over a year ago
4
over a year ago
InfiniBand networking is quite awesome. It's mainly used for two reasons: low latency high bandwidth As a home user, I'm mainly interested in setting up a high bandwidth link between two servers. I was using quad-port network cards with Linux Bonding, but this solution has some...
Willem's Blog
Giving AI Training Explore the transformative power of AI in everyday work: Dive into firsthand insights from a recent...
a year ago
4
a year ago
Explore the transformative power of AI in everyday work: Dive into firsthand insights from a recent AI training session that's reshaping professional landscapes.
Home on Erik...
Calculating cosine similarities using dimensionality reduction This was posted on the Twitter Engineering blog a few days ago: Dimension Independent Similarity...
over a year ago
4
over a year ago
This was posted on the Twitter Engineering blog a few days ago: Dimension Independent Similarity Computation (DISCO) I just glanced at the paper, and there's some cool stuff going on from a theoretical perspective. What I'm curious about is why they didn't decide to use...
Arduino Blog
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,...
2 months ago
20
2 months 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...
computers are bad
2023-06-30 calling in the alarm I currently find myself on vacation in the Canadian Rockies, where internet is hard to come by. But...
a year ago
54
a year ago
I currently find myself on vacation in the Canadian Rockies, where internet is hard to come by. But here's something short while I'm temporarily back in the warm embrace of 5G: more about burglar alarms. I recently gave a presentation on this topic and I'll probably record it for...
Notes on software...
Parser generators vs. handwritten parsers: surveying major language implementations in 2021 Developers often think parser generators are the sole legit way to build programming language...
over a year ago
4
over a year ago
Developers often think parser generators are the sole legit way to build programming language frontends, possibly because compiler courses in university teach lex/yacc variants. But do any modern programming languages actually use parser generators anymore? To find out, this post...
Notes on software...
An effective product manager There are three specific activities I have loved in some product managers I've worked with (and...
a year ago
4
a year ago
There are three specific activities I have loved in some product managers I've worked with (and missed in others). tldr; Talk with customers and prospects Develop and share a vision Evangelize Talk with customers and prospects As a product manager, your superpower over...
Vitalik Buterin's...
Quadratic Payments: A Primer
over a year ago
Electronics etc…
A Hardware Interposer to Fix the Symmetricom SyncServer S200 GPS Week Number Rollover Problem Introduction IMPORTANT: Use the Right GPS Antenna! The Problem: SyncServer Refuses to Lock to...
4 months ago
56
4 months ago
Introduction IMPORTANT: Use the Right GPS Antenna! The Problem: SyncServer Refuses to Lock to GPS The GPS Week Number Rollover Issue Making the Furuno GT-8031 Work Again How It Works Build Instructions Power Supply Recapping The Future: A Software-Only Solution The...
./techtipsy
Quest towards energy efficiency part 1: the water heater While listening to the SelfHosted podcast, one of the hosts brought up their peculiar...
over a year ago
32
over a year ago
While listening to the SelfHosted podcast, one of the hosts brought up their peculiar living arrangement multiple times. Essentially, he and his family are living in an RV that runs off of batteries, has solar panels, utilizes Home Assistant for automation, supports multiple...
Matt Mullenweg
Falling Snow The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his...
2 weeks ago
30
2 weeks ago
The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his fast, light, and accessible Snow Fall plugin, which is live on this site and you can install on yours. I hope everyone is having a happy holidays! Search for “snow fall” in your...
Good Enough
Season 3, Issue 4: Cosmic Staggering Tortoises 1. Weekly Studio Update Hello. We're going to try doing this newsletter thing regularly. The...
a year ago
4
a year ago
1. Weekly Studio Update Hello. We're going to try doing this newsletter thing regularly. The ambitious goal is to write you a lovely letter every week. Aim for the moon, right? But wait, if you aim for the moon, how in this physical world can you possibly hit a star by...
Neil Madden
Digital signatures and how to avoid them Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for...
3 months ago
4
3 months ago
Wikipedia’s definition of a digital signature is: A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature on a message gives a recipient confidence that the message came from a sender known to the...
Style over Substance
Fujifilm Instax Wide 300 to Mamiya Press mount mod How I modified an Instax Wide instant camera to mount a Mamiya Press medium format lens The post...
over a year ago
61
over a year ago
How I modified an Instax Wide instant camera to mount a Mamiya Press medium format lens The post Fujifilm Instax Wide 300 to Mamiya Press mount mod appeared first on Style over Substance.
Willem's Blog
Designing an interface for a food ordering page Designing a food ordering page is surprisingly challenging because of the many variables that need...
over a year ago
4
over a year ago
Designing a food ordering page is surprisingly challenging because of the many variables that need to be accommodated on a very small screen.
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
4
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.
Home on Erik...
About
over a year ago
./techtipsy
My cat water fountain comes with a spicy USB power adapter It turns out that you can’t trust any USB type A power adapter to be within spec. I have a Catit...
a year ago
78
a year ago
It turns out that you can’t trust any USB type A power adapter to be within spec. I have a Catit Flower Fountain for my two adorable cats. The idea of a water fountain for cats may sound odd, but having one really helps with cats staying hydrated and that alone avoids all sorts...
Arduino Blog
Hey Google! Meet Arduino Cloud We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now...
7 months ago
71
7 months ago
We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now interact with your devices, simply through your Google Home Assistant: use voice commands, the Google Home app, or create new routines integrating Arduino solutions.  This new...
Bryan Braun - Blog
Goodbye Evernote, Hello Obsidian I use note-taking software every day. I use it for journaling, blogging, capturing ideas,...
6 months ago
4
6 months ago
I use note-taking software every day. I use it for journaling, blogging, capturing ideas, researching technologies, managing my projects, and many other things. Writing is how I think through problems, and note-taking software makes all that thinking easy to search and...
Notes on software...
Writing a SQL database from scratch in Go: 1. SELECT, INSERT, CREATE and a REPL Next in database basics: 2. binary expressions and WHERE filters 3. indexes 4. a...
over a year ago
4
over a year ago
Next in database basics: 2. binary expressions and WHERE filters 3. indexes 4. a database/sql driver In this series we'll write a rudimentary database from scratch in Go. Project source code is available on Github. In this first post we'll build enough of a parser to...
Vitalik Buterin's...
What kind of layer 3s make sense?
over a year ago
computers are bad
2023-02-14 something up there pt I Over the last few weeks, there has been an astounding increase in the number of objects shot down by...
a year ago
48
a year ago
Over the last few weeks, there has been an astounding increase in the number of objects shot down by North American air defense. Little is yet known about some of these objects, but it is clearly one of the more dramatic UFO turns in recent memory. Some of the mystery is simply...
Old Vintage...
Virtualizing the 6502 on a 6502 with 6o6 (and The Incredible KIMplement goes 1.0) Okay, promises, promises. Here's the first of my bucket list projects I'm completing which I've...
8 months ago
85
8 months ago
Okay, promises, promises. Here's the first of my bucket list projects I'm completing which I've intermittently worked on for literally two decades. Now that I've finally shaken out more bugs, tuned it up and cleaned it off, it's time to let people play with the source...
Home on Erik...
Domains for sale Contact me at mail at erik bern dot com!
over a year ago
Willem's Blog
Optimising images for the web and performance Make your website faster by optimising the images. This posts explains how you can do this.
over a year ago
Jonas Hietala
Making a Game Again? I’ve gotta do a lab today at school, tomorrow I need to do the exam I missed when I had my...
over a year ago
2
over a year ago
I’ve gotta do a lab today at school, tomorrow I need to do the exam I missed when I had my glasses-missing headaches and I’m going to Ikea and some other shops for, you guessed it, shopping! Sure it’s fun and sure I need to do these things but the only thing on my mind now is...
Lighthouse Blog
How to rate content and find it again
7 months ago
Construction Physics
Energy Cheat Sheet Building an intuition about energy
2 weeks ago
Jonas Hietala
Netrunner Winter Kit Tournament Linköping After quite the hiatus from Netrunner I had a chance to join a tournament here in Linköping with 14...
over a year ago
4
over a year ago
After quite the hiatus from Netrunner I had a chance to join a tournament here in Linköping with 14 participants. The number of players has grown a lot since the previous tournament which is really great. As I really wanted to win the wonderful Day Job playmat I went with two of...
./techtipsy
AMD Ryzen 7 5700G: first impressions on Fedora 34 Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months...
over a year ago
45
over a year ago
Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months and the setup has mostly been fine. Sure, the power usage was pretty big under load, and yes, my internet did cut out every time I turned the VM on with all the services starting,...
Willem's Blog
Fietselfstedentocht 2017 Cycling the 235KM long Fietselfstedentocht through Friesland
over a year ago
Neil Madden
SipHash-based encryption for constrained devices I see a lot of attempts to define encryption schemes for constrained devices with short...
8 months ago
4
8 months ago
I see a lot of attempts to define encryption schemes for constrained devices with short authentication tags (e.g., 64 bits) using universal hashing. For example, there’s a proposal in CFRG at the moment for a version of AES-GCM with short tags for this kind of use-case. In my...
Notes on software...
Checking linearizability in Go You want to check for strict consistency (linearizability) for your project but you don't want to...
2 months ago
8
2 months ago
You want to check for strict consistency (linearizability) for your project but you don't want to have to deal with the JVM. Porcupine, used by a number of real-world systems like etcd and TiDB, has you covered! Importantly, neither Jepsen projects nor Porcupine can...
Vitalik Buterin's...
Exploring circle STARKs
5 months ago
Applied Cartography
Notes on Zed I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors...
9 months ago
4
9 months ago
I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors whenever I see them — which is why this morning I installed Zed, which makes its bones on performance (yay!) and teams functionality (irrelevant for my use cases, but seems...
Jonas Hietala
Done this, done that. What now? Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and...
over a year ago
4
over a year ago
Finished and uploaded our java game Grand Thief Arto, done an exam (didn’t quite go as intended) and starting some new courses in school. I’m liking my choice of Computer Science more and more. Data structures and Algorithms was a super fun course, I actually ordered a new book...
Style over Substance
Guy’s Cool Tools This is a placeholder post! I’m a huge fan of Kevin Kelly’s Cool Tools site and have loved their...
over a year ago
87
over a year ago
This is a placeholder post! I’m a huge fan of Kevin Kelly’s Cool Tools site and have loved their recommendations for years. So much, so that I even started a Pinterest board filled with my own recommendations. But after a few years of running into the limitations of the form, I...
Simply Explained
Smart lights behind a wall switch (Shelly + ESPHome) Using smart light bulbs means you can no longer use your physical wall switches because the bulbs...
over a year ago
3
over a year ago
Using smart light bulbs means you can no longer use your physical wall switches because the bulbs need constant power. I think that's pretty dumb. Using a physical switch can be way faster than using an app to control the lights.Here's how you can put a Shelly in between the...
./techtipsy
Stupid project ideas: the War Machine LinusTechTips has some pretty great videos about building insane PC and server setups, such...
over a year ago
29
over a year ago
LinusTechTips has some pretty great videos about building insane PC and server setups, such as: unboxing and deploying petabytes of storage 7 gamers, 1 CPU building sleeper PC-s testing sketchy CPU-s opening up a 100TB SSD I have the ideas, but not the budget of LinusTechTips, so...
Arduino Blog
How to customize your Arduino Cloud IoT dashboards on the go The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage...
2 months ago
26
2 months ago
The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage their IoT projects with ease. From tracking sensor data to automating smart devices, the cloud enables seamless connectivity. Complementing this, the Arduino IoT Remote mobile app...
Jonas Hietala
My book 'Why Cryptocurrencies?' is done My first commit on my book Why Cryptocurrencies? is from Dec 19, 2018, and now about 17 months later...
over a year ago
4
over a year ago
My first commit on my book Why Cryptocurrencies? is from Dec 19, 2018, and now about 17 months later and 1006 more commits I’m finally done! Well, I’m done with the online version at least. I still plan to create an e-book, a PDF and a paperback and who knows how long that will...
Jonas Hietala
November Theme: Art Game Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t...
over a year ago
4
over a year ago
Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t been “my” themes: I’ve been following their lead and their themes and this month is no exception. This months’ apparently a big theme - Art. It’s even a collaboration with a big...
Home on Erik...
Giving more tools to software engineers: the reorganization of the factory It's a popular attitude among developers to rant about our tools and how broken things are. Maybe...
over a year ago
4
over a year ago
It's a popular attitude among developers to rant about our tools and how broken things are. Maybe I'm an optimistic person, because my viewpoint is the complete opposite! I had my first job as a software engineer in 1999, and in the last two decades I've seen software engineering...
Jonas Hietala
No game this month Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack...
over a year ago
4
over a year ago
Well here I am in the end of the month - without a game. It’s a failure I know but once again I lack inspiration and then it’s really hard to do something. Instead I’ve been thinking of something I could do that would make me wanna code like really bad again. I’m thinking of...
axio.ms
32-bit hat, with LEDs Built in November 2015 (now-traditional multi-year writeup delay applied) A hat,...
over a year ago
4
over a year ago
Built in November 2015 (now-traditional multi-year writeup delay applied) A hat, bejewelled with 38 RGB LEDs Is this thing on..? It’s been a while since I’ve written one of these. So, the hat. It’s been on the writeup pile for almost 6 years, nagging away. Finally...
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
4
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...
Birchtree
I don’t care about bad or missing features that I don’t use Sometimes I’ll talk about something I like online and people will express shock that I can use a...
4 weeks ago
10
4 weeks ago
Sometimes I’ll talk about something I like online and people will express shock that I can use a product that has such a clear downside. I’ve gotten people ask how I can use Things since it doesn’t have shared task lists. More recently I
Good Enough
Season 1, Issue 1: The Loneliest Number 1. Confirmed Positive After two years of running from reality, it has finally happened for my...
over a year ago
4
over a year ago
1. Confirmed Positive After two years of running from reality, it has finally happened for my family. I have tested positive for SARS Coronavirus-2, the virus that causes COVID-19. For this honor, I would like to thank our society’s collective tiring of virus mitigation. It truly...
Home on Erik...
Toxic meeting culture I spent six years at a company that went from 50 people to 1500 and one contributing factor leading...
over a year ago
4
over a year ago
I spent six years at a company that went from 50 people to 1500 and one contributing factor leading to my departure was that I went from a “maker” to a person stuck in meetings every day.
Home on Erik...
The Filter Bubble is Silly and you Can't Guess What Happened Next I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here...
over a year ago
3
over a year ago
I'm at RecSys 2014, meeting a lot of people and hanging out at talks. Some of the discussions here was about the filter bubble which prompted me to formalize my own thoughts. I firmly believe that it's the role of a system to respect the user's intent.
Push to Prod
Metrics Are The Map, Not The Territory We can never obtain a complete and perfect understanding of what our systems are doing. All we have...
5 months ago
4
5 months ago
We can never obtain a complete and perfect understanding of what our systems are doing. All we have are incomplete signals to inform our theories.
Jonas Hietala
2018 in review A new year and a lingering feeling of not having done enough during the year. A fast review of the...
over a year ago
4
over a year ago
A new year and a lingering feeling of not having done enough during the year. A fast review of the year usually makes me feel better. 2018 non-geek achievements Was on parental leave for about 7 months. It was great although I’ve been crawling up the walls a little the last...
./techtipsy
You can use almost anything as a key file for your encrypted storage device Imagine that you have an unencrypted drive containing your private data and one day it starts...
a month ago
40
a month ago
Imagine that you have an unencrypted drive containing your private data and one day it starts throwing a bunch of errors. You have backups of the data so you’ve got that part covered, but would you feel comfortable sending the drive in to be warrantied? You have no control over...
Vitalik Buterin's...
An Incomplete Guide to Rollups
over a year ago
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
32
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...
Jonas Hietala
New Computer! I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s...
over a year ago
4
over a year ago
I briefly mentioned my new computer in the last post and I thought I’d make a post about it, as it’s awesome (as all new computers are). The specs: GPU: Gigabyte GeForce GTX 550Ti OC 1GB CPU: Intel core i5 2500K CPU cooler: Zalman CNPS-9900NT Motherboard: MSI P67A-C45 REV B3 Ram:...
Arduino Blog
This Halo helmet features an adjustable-transparency RGB-backlit visor The Halo franchise is full of iconic designs, from vehicles like the Warthog to weapons like the...
a month ago
17
a month ago
The Halo franchise is full of iconic designs, from vehicles like the Warthog to weapons like the Needler. But the armor, such as the Spartan armor worn by Master Chief, is arguably the most recognizable. The helmets are especially cool, and LeMaster Tech put his own unique spin...
Nabeel S. Qureshi
How To Sell Sales at a startup is counter-intuitive.
over a year ago
Posts on Made of...
6.170, CVS, and SVN I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but...
over a year ago
4
over a year ago
I’m taking 6.170 Lab in Software Engineering this semester. The course sucks in various ways, but one of the most egregious, in my opinion, is that they force you to use CVS for your version control. Problem sets are distributed by the TAs importing them into your repository, and...
Style over Substance
Our favorite places to eat and drinks during our Portugal vacation In the summer of 2023, we went on an amazing trip through Portugal. We’d already visited Lisbon on a...
7 months ago
101
7 months ago
In the summer of 2023, we went on an amazing trip through Portugal. We’d already visited Lisbon on a short city trip a few years earlier, and that experience was so good we knew we had to return. This time, we decided to take a full three weeks and see the sights. We were...
Louwrentius
Setting up a Squid proxy with Clamav anti-virus using c-icap Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer...
over a year ago
4
over a year ago
Security is all about a defence-in-depth strategy. Create multiple layers of defence. Every layer presenting a different set of challenges, requiring different skill sets and technology. So every layer will increase the time and effort to compromise your environment. A...
Jonas Hietala
The first (worst) post Well, here it is: The opening post. What will come here? Here’s where I’ll outline what the blog...
over a year ago
4
over a year ago
Well, here it is: The opening post. What will come here? Here’s where I’ll outline what the blog will be about and maybe, if I’m dedicated, it won’t die before Christmas you think. And sure, you’re right. I will run away to the corner in about two and a half months crying I never...
Home on Erik...
Recurrent Neural Networks for Collaborative Filtering I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering....
over a year ago
4
over a year ago
I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering. RNN’s are models that predict a sequence of something. The beauty is that this something can be anything really – as long as you can design an output gate with a proper loss function,...
Louwrentius
Firewire: the forgotten security risk The battle between Firewire and USB has been won by USB, but Firewire is still arround. It is not...
over a year ago
3
over a year ago
The battle between Firewire and USB has been won by USB, but Firewire is still arround. It is not that prevalent, cheap computers lack Firewire, but they often have a PCMCIA slot. The thing is this: Firewire allows direct access to all RAM of your computer. An attacker...
Louwrentius
Linux on Mac Mini - boot after power failure When using a Mac Mini as a server or router, it is very nice if the machine automatically boots if a...
over a year ago
4
over a year ago
When using a Mac Mini as a server or router, it is very nice if the machine automatically boots if a power failure has occurred. User chirhoxi on the ubuntu forum found out how this can be achieved: http://ubuntuforums.org/showthread.php?t=1209576 Basically you need one of these...
Louwrentius
Visual representation of hard drives and their temperature If you build a NAS with many drives, it may be of interest to you which drives get hot and where...
over a year ago
4
over a year ago
If you build a NAS with many drives, it may be of interest to you which drives get hot and where they are located in the chassis. My Norco 4020 case has twenty drives in RAID 6, plus two operating system drives in RAID 1. I wrote a script that shows me the temperature of each...
Willem's Blog
Hospitalised with MCADD This week our son was hospitalised because a regular illness caused him to keep vomiting, a...
over a year ago
4
over a year ago
This week our son was hospitalised because a regular illness caused him to keep vomiting, a dangerous situation if you're diagnosed with MCADD.
Willem's Blog
Cash is king, or is it? Is the time right to ditch the wallet?
over a year ago
Simply Explained
ESP32: Tips to increase battery life Running an ESP32 on a battery is a tricky operation. The chip is a powerhouse, and with power comes...
over a year ago
4
over a year ago
Running an ESP32 on a battery is a tricky operation. The chip is a powerhouse, and with power comes great responsibility. In this post, I’ll outline how I got an ESP32 to run for over 15 weeks (and counting) on a single 1000mAh battery.
Jonas Hietala
On The Decline of FPS Games Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS...
over a year ago
4
over a year ago
Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS Games. https://www.youtube.com/watch?v=W1ZtBCpo0eU Oh How true!
lcamtuf’s thing
Against the hydraulic analogy The most popular tool for teaching electronics makes the trade harder to learn.
a week ago
Abort Retry Fail
The History of Commodore, Part 4 The Amiga, The Decline, The Fall
a year ago
Willem's Blog
Enjoy a festival without alcohol This year I didn't drink alcohol during Rock Werchter, leading to interesting observations during...
over a year ago
4
over a year ago
This year I didn't drink alcohol during Rock Werchter, leading to interesting observations during the music festival.
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
Jonas Hietala
A Four-Eyed Update Wow it’s been a while! Almost a month and a half since my last update. There I complained about my...
over a year ago
4
over a year ago
Wow it’s been a while! Almost a month and a half since my last update. There I complained about my almost constant headaches which hampered me a lot actually. Luckily now I have joined the rank of cool. I took home three frames I think and tried them out and I settled some I...
Nabeel S. Qureshi
Reflections on Palantir A retrospective of an eight-year stint.
2 months ago
Willem's Blog
MUSE in Carré MUSE's legendary rock fused with Amsterdam's Royal Theatre Carré for an unforgettable, electrifying...
over a year ago
4
over a year ago
MUSE's legendary rock fused with Amsterdam's Royal Theatre Carré for an unforgettable, electrifying experience - read about my experience!
Willem's Blog
How to use rsync to make backups In this post I'll explain how to use rsync to transfer files to another computer system in an...
over a year ago
4
over a year ago
In this post I'll explain how to use rsync to transfer files to another computer system in an efficient manner, suitable to be used in a backup script.
Vitalik Buterin's...
A CBC Casper Tutorial
over a year ago
Jonas Hietala
5 Years at Linköping's University I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s...
over a year ago
4
over a year ago
I recently finished my master’s degree (civilingenjör or civil engineering) at Linköping’s University. At first it felt like 5 years would be an eternity, but in hindsight it was over in a flash. my gut feeling is that I haven’t learnt or done anything of note, except you know...
Neil Madden
Entity authentication with a KEM In cryptography, the process of authenticating a user (or app/service) is known as entity...
a year ago
4
a year ago
In cryptography, the process of authenticating a user (or app/service) is known as entity authentication or identification (to distinguish it from message authentication or data origin authentication). There are lots of ways to do this. In this post I’m going to talk about...
./techtipsy
ASRock X570M Pro4 motherboard overview Not too long ago, I had the goal of consolidating all my computing needs onto a single desktop PC....
over a year ago
55
over a year ago
Not too long ago, I had the goal of consolidating all my computing needs onto a single desktop PC. That meant moving from an mITX-based build to something that had a bit more expandability. Since I already had a Fractal Meshify C Mini, I decided to go for an mATX motherboard. And...
Computer Ads from...
Merry Christmas 2024 and a Happy New Year
a week ago
Home on Erik...
We are still early with the cloud: why software development is overdue for a change This is is in many respects a successor to a blog post I wrote last year about what I want from...
over a year ago
4
over a year ago
This is is in many respects a successor to a blog post I wrote last year about what I want from software infrastructure, but the ideas morphed in my head into something sort of wider.
Jonas Hietala
Ludum Dare 29 Entry After months of procrastination it is time for me to enter Ludum Dare again! I am totally...
over a year ago
3
over a year ago
After months of procrastination it is time for me to enter Ludum Dare again! I am totally unprepared, but I did setup a setup which actually compiles. I never got audio to run but hopefully I can manage something. Repository: https://github.com/treeman/LD29. Going for C++ this...
anderegg.ca
How decentralized is Bluesky really? Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into...
a month ago
10
a month ago
Here’s an excellent article from Christine Lemmer-Webber that takes a deeper technical look into some of the criticisms I had in my previous piece. The article is long, but very much worth a read. From the conclusion: Bluesky is built by good people who care, and it is providing...
Arduino Blog
Arduino partners with RS/OKdo strategically to further expand the China Market Arduino is excited to announce a strategic new partnership with RS/OKdo, a prominent leader in the...
a month ago
23
a month ago
Arduino is excited to announce a strategic new partnership with RS/OKdo, a prominent leader in the distribution of industrial and electronic equipment. This collaboration marks a significant step forward in bringing Arduino’s technology closer to China’s thriving maker community...
latest projects -...
Talking Tines [Concept] Tuning forks that talk
6 months ago
Good Enough
TIL: JavaScript Turbo Stream Requests I am working on search for Album Whale and I was very confused when my JavaScript fetch requests...
a year ago
4
a year ago
I am working on search for Album Whale and I was very confused when my JavaScript fetch requests were not resulting in turbo_stream rendering getting displayed on my page. I checked my logs to see if the render was happening. I looked for missing <%= tags. Debugged and...
Vitalik Buterin's...
STARKs, Part 3: Into the Weeds
over a year ago
Computer Ads from...
Plus Post: Lobo MAX-80 The Computer Tandy Should Have Built (at least according to the ad).
9 months ago
anderegg.ca
My 2024 Upgradies Picks The latest instalment of The Upgradies is coming soon from our friends at the Upgrade podcast. I...
a month ago
10
a month ago
The latest instalment of The Upgradies is coming soon from our friends at the Upgrade podcast. I submitted my recommendations earlier today, and thought it would be fun to share my picks. Best Overall iOS App Bear I once again don’t have a new app for this category, but Bear has...
Home on Erik...
How to build up a data team (everything I ever learned about recruiting) During my time at Spotify, I've reviewed thousands of resumes and interviewed hundreds of people....
over a year ago
4
over a year ago
During my time at Spotify, I've reviewed thousands of resumes and interviewed hundreds of people. Lots of them were rejected but lots of them also got offers. Finally, I've also had my share of offers rejected by the candidate.
seangoedecke.com RSS...
How LLMs work Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is...
a year ago
4
a year ago
Over the last few weeks I’ve been playing around with the excellent llama2.c repository, which is basically a simple one-file C…
Abort Retry Fail
The History of GM-NAA I/O and SHARE The Birth of Computer Operating Systems
a year ago
Vitalik Buterin's...
Exit games for EVM validiums: the return of Plasma
a year ago
Willem's Blog
Making my own tablet OS I wondered if I could escape Windows by installing Debian GNU/Linux on a Surface Go, read along to...
over a year ago
4
over a year ago
I wondered if I could escape Windows by installing Debian GNU/Linux on a Surface Go, read along to find out how to do this!
Abort Retry Fail
The History of OS/2 Getting a Divorce
a year ago
Simply Explained
HEIC to JPG: Build a Quick Action with Automator With the release of iOS 11, Apple switched from JPG to HEIC to store your photos. The...
over a year ago
4
over a year ago
With the release of iOS 11, Apple switched from JPG to HEIC to store your photos. The High-Efficiency Image File Format saves a lot of storage space on your devices while still maintaining your photos' quality. However, it does become problematic if you want to share those files...
Notes on software...
Metaprogramming in Zig and parsing CSS I knew Zig supported some sort of reflection on types. But I had been confused about how to use it....
a year ago
4
a year ago
I knew Zig supported some sort of reflection on types. But I had been confused about how to use it. What's the difference between @typeInfo and @TypeOf? I ignored this aspect of Zig until a problem came up at work where reflection made sense. The situation was parsing and storing...
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
Jonas Hietala
My first rust Contribution The problem with open-source for most people isn’t writing code, but it’s all the other things. How...
over a year ago
4
over a year ago
The problem with open-source for most people isn’t writing code, but it’s all the other things. How shall I push my changes? How do I handle git? What should I do? I was the same and I actually dreaded my awesome summer job, just a little bit, because now I’m supposed to...
Louwrentius
24 TB based on Norco RPC-4020 and Linux Software RAID Just a quick link: Some person build basically the same setup, including identical...
over a year ago
4
over a year ago
Just a quick link: Some person build basically the same setup, including identical controller, providing 28 TB of storage: Take a look here The main difference is that this person uses 1.5 TB disk, thus achieving more storage.
Christian Selig
The Case for Getting Rid of TestFlight Review I tweeted today about how I think TestFlight review should become a thing of the past and many...
over a year ago
28
over a year ago
I tweeted today about how I think TestFlight review should become a thing of the past and many developers seemed to agree, but some had questions so I wanted to expand on my thoughts a little. TestFlight’s awesome. But like App Store submissions, TestFlight betas also require a...
Notes on software...
Writing a minimal Lua implementation with a virtual machine from scratch in Rust By the end of this guide we'll have a minimal, working implementation of a small part of Lua from...
over a year ago
4
over a year ago
By the end of this guide we'll have a minimal, working implementation of a small part of Lua from scratch. It will be able to run the following program (among others): function fib(n) if n < 2 then return n; end local n1 = fib(n-1); local n2 = fib(n-2); ...
Applied Cartography
Notes on Zed, revisited A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a...
2 months ago
7
2 months ago
A little over six months ago, I wrote Notes on Zed. My conclusion at that time was that Zed made a lot of great choices and felt really good to use, but lacked parity with VS Code's feature/ecosystem to its detriment. Six months later, I spent a few days using it as my daily...
latest projects -...
Smallest USB-C MIDI Synth [Hardware] The smallest and silliest MIDI synth yet
a year ago
Louwrentius
Blu Ray is dead HD-DVD may be dead, but Blu Ray is just as dead. The whole concept of optical media is dead....
over a year ago
4
over a year ago
HD-DVD may be dead, but Blu Ray is just as dead. The whole concept of optical media is dead. Honestly, who is still burning CD's or DVD's nowadays? (If you are, why for Christ sake? I can't think of a single good reason) And at 10 euros ($100) for a single Blu Ray disk, you must...
Louwrentius
Achieving 450 MB/s network file transfers using Linux Bonding Linux Bonding In this article I'd like to show the results of using regular 1 Gigabit network...
over a year ago
4
over a year ago
Linux Bonding In this article I'd like to show the results of using regular 1 Gigabit network connections to achieve 450 MB/s file transfers over NFS. I'm again using Linux interface bonding for this purpose. Linux interface bonding can be used to create a virtual network...
Posts on Made of...
Why scons is cool I’ve recently started playing with scons a little for some small personal projects. It’s not...
over a year ago
2
over a year ago
I’ve recently started playing with scons a little for some small personal projects. It’s not perfect, but I’ve rapidly come to the conclusion that it’s a probably far better choice than make in many cases. The main exceptions would be cases where you need to integrate into legacy...
Willem's Blog
Rolex DateJust 36 Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like?...
over a year ago
4
over a year ago
Celebrating a major milestone, I treated myself to a Rolex DateJust 36. Want to know what it's like? Keep reading!
Jonas Hietala
Geekhack Toxic I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it...
over a year ago
4
over a year ago
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it be? With a crummy mobile phone photo I give you my TOXIC keycaps mounted on my trusty old das keyboard: Woooo If only my GH60 could arrive some time this decade…
Louwrentius
Release of PPSS - the Parallel Processing Shell Script PPSS is a shell script that processess files or other items in parallel. It is designed to make use...
over a year ago
4
over a year ago
PPSS is a shell script that processess files or other items in parallel. It is designed to make use of the current multi-core CPUs. It will detect the number of available CPUs and start a thread for each CPU core.  This script is build with the goal to be very easy to use. Also,...
Louwrentius
Lion's FileVault does not support Bootcamp and external boot disks Read the comments as they may provide useful information for your particular situation I boot my...
over a year ago
4
over a year ago
Read the comments as they may provide useful information for your particular situation I boot my iMac from an external FW800 SSD. I found out that it is impossible to encrypt this disk using the new FileVault as part of Lion. Furthermore, I also found out that if you have a disk...
Arduino Blog
Does your sample contain DNA or RNA? DIYNAFLUOR can tell you on a budget Lab equipment is — traditionally at least — tremendously expensive. While there are understandable...
2 weeks ago
17
2 weeks ago
Lab equipment is — traditionally at least — tremendously expensive. While there are understandable reasons for those costs, they are prohibitive to anyone operating outside of a university or corporate lab. But as the “citizen science” movement has grown, we’ve seen more and more...
Neil Madden
From KEMs to protocols This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care...
over a year ago
4
over a year ago
This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care about them. Part 1 looked at what a KEM is and the KEM/DEM paradigm for constructing public key encryption schemes. Part 2 looked at cases where the basic KEM abstraction is not...
Neil Madden
Newsletter Happy new year! I’m hoping to write a few posts on here over the next few weeks, but probably...
12 months ago
4
12 months ago
Happy new year! I’m hoping to write a few posts on here over the next few weeks, but probably exploring a few topics around AI and philosophy. If you’d prefer some more technical content around security and cryptography, then take a look at the newsletter I put out for my...
computers are bad
2023-10-15 go.com Correction: a technical defect in my Enterprise Content Management System resulted in the email...
a year ago
112
a year ago
Correction: a technical defect in my Enterprise Content Management System resulted in the email having a subject that made it sound like this post would be about the classic strategy game Go. It is actually about a failed website. I regret the error; the responsible people have...
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
23
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
Flying in a C47-A (DC-3) classic plane Flying in a C47-A Skytrain over The Netherlands is one magnificent birthday gift I received,...
over a year ago
4
over a year ago
Flying in a C47-A Skytrain over The Netherlands is one magnificent birthday gift I received, experiencing aviation history unlike anything else!
Applied Cartography
You should build this: A prior iteration of this site had a page called "Project ideas" that listed a bunch of things that...
2 months ago
8
2 months ago
A prior iteration of this site had a page called "Project ideas" that listed a bunch of things that I'd like to build. This was a good idea and useful in its own right (I got a few people to build companies and projects based on them, and it was a useful avenue by which folks...
Birchtree
Starship is a late contender for favorite new things in 2024 I don't have a huge love for Star Fox 64. I mean I played it with friends and I still have the...
a week ago
12
a week ago
I don't have a huge love for Star Fox 64. I mean I played it with friends and I still have the cartridge all these years later, but it's not as big a part of my childhood as Ocarina of Time was. That said, the Ocarina
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 2. user-defined functions and variables Previously in compiler basics: 1. lisp to assembly 3. LLVM 4. LLVM conditionals and...
over a year ago
4
over a year ago
Previously in compiler basics: 1. lisp to assembly 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. LLVM system calls 6. an x86 upgrade In this post we'll extend the compiler to support defining functions and variables. Additionally, we'll require the...
Louwrentius
71 TiB DIY NAS based on ZFS on Linux This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB...
over a year ago
3
over a year ago
This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB NAS (17 TiB). With a storage capacity four times higher than the original and an incredible read (2.5 GB/s)/write (1.9 GB/s) performance, it's a worthy successor. Purpose The...
Louwrentius
Core i7 920 @ 3,6 Ghz is a true beast! Even today, Core 2 Duo processors clocked at 2 ghz are no slugs. However, the Core i7 920 is of a...
over a year ago
4
over a year ago
Even today, Core 2 Duo processors clocked at 2 ghz are no slugs. However, the Core i7 920 is of a different kind. First, it is not only clocked at a higher speed (default 2,8 Ghz), it is also a quad-core processor. Thanks to the re- introduction of hyperthreading, this processor...
computers are bad
2023-09-10 the Essex GWEN site Programming note: this post is in color. I will not debase myself to the level of sending HTML...
a year ago
72
a year ago
Programming note: this post is in color. I will not debase myself to the level of sending HTML email, so if you receive Computers Are Bad by email and want the benefit of the pictures, consider reading this online instead (the link is at the top of the email). In the aftermath of...
anderegg.ca
A look back at 2024, and what’s next for 2025 At the end of last year, I wrote about wanting to focus on the web in 2024. How did that shake...
3 days ago
10
3 days ago
At the end of last year, I wrote about wanting to focus on the web in 2024. How did that shake out? Top level stats I considered 2023 the first year that I honestly tried getting back into blogging. My goal then was to post something every month, and I managed that with 14 posts...