Home on Erik...
Ratio metrics
We run a ton of A/B tests at Spotify and we look at a ton of metrics. Defining metrics is a little...
over a year ago
We run a ton of A/B tests at Spotify and we look at a ton of metrics. Defining metrics is a little bit of an art form. Ideally you want to define success metrics before you run a test to avoid cherry picking metrics.
Louwrentius
I resurrected my Dutch movie review site from 2003
Introduction
Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1
I built the...
over a year ago
Introduction
Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1
I built the site and wrote the reviews. It never made any money. It cost me money to host, and it cost me a lot of time writing reviews, but I remember enjoying writing reviews about films I...
Notes on software...
Checking linearizability in Go
You want to check for strict consistency
(linearizability)
for your project but you don't want to...
a month ago
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...
Notes on software...
SQLite in Go, with and without cgo
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here
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over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Abort Retry Fail
The History of Commodore, Part 1
Chuck Peddle, the 6502, MOS, and the PET
a year ago
Chuck Peddle, the 6502, MOS, and the PET
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
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...
Jonas Hietala
Embedding youtube videos with Hakyll
A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using...
over a year ago
A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using Hakyll.
I don’t want to remember any special syntax for embedding, I don’t want to bother (remember?) to use something like {% youtube: <link> %} or whatever syntax we might find...
Odds and Ends of...
Book now! Where we're going, we need roads (and trains)
My next in-person event/meet-up, with transport policy expert Michael Dnes!
3 weeks ago
My next in-person event/meet-up, with transport policy expert Michael Dnes!
./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
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...
Vitalik Buterin's...
Travel time ~= 750 * distance ^ 0.6
a year ago
Notes on software...
First few hurdles writing a Scheme interpreter
I started working on BSDScheme last October, inspired to get back
into language implementation after...
over a year ago
I started working on BSDScheme last October, inspired to get back
into language implementation after my coworker built bshift, a
compiler for a C-like language. BSDScheme is an interpreter for a
(currently small subset of) Scheme written in D. It implements a few
substantial...
Jonas Hietala
Faster than Light
So I returned to Faster than Light again this weekend, this time for real. I bought it when it came...
over a year ago
So I returned to Faster than Light again this weekend, this time for real. I bought it when it came out and I played it only in passing, but this weekend I played it a ton.
Aaahh a new beginning in FTL. Will it be death once more
I generally don’t like games where you have to...
Notes on software...
Make your own way
Over the years, I have repeatedly felt like I missed the timing for a
meetup or an IRC group or...
12 months ago
Over the years, I have repeatedly felt like I missed the timing for a
meetup or an IRC group or social media in general. I'd go to a meetup
every so often but I'd never make a meaningful connection with people,
whereas everyone else knew each other. I'd join an IRC group and...
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
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...
Willem's Blog
The best keyboard for iPad
While everybody is raving about the Magic Keyboard there is something to be said for the...
over a year ago
While everybody is raving about the Magic Keyboard there is something to be said for the "mouse-less" Smart Keyboard Folio. Read along for a detailed analyses based on actual iPad use.
Louwrentius
Ubuntu and full disk encryption (FDE)
Ubuntu is based on Debian Linux. As part of a regular Debian installation, you
can choose to create...
over a year ago
Ubuntu is based on Debian Linux. As part of a regular Debian installation, you
can choose to create an encrypted disk volume based on LUKS. This is different
from the option within the Ubuntu installation to encrypt home directories. To
be able to install Ubuntu and use full disk...
Jonas Hietala
Giving the blog a facelift
When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed...
a year ago
When I rewrote the blog in Rust I tried not to touch any of the styling, but some things annoyed me:
It wasn’t pretty (even ugly in some parts).
No dark mode support.
Some elements were broken, for instance images or code blocks overlapping the header when it was floating to the...
Arduino Blog
RIoT Secure joins Arduino’s SIPP as Gold Partner
We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership...
6 months ago
We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership Program at the Gold level. Founded in 2017 in Stockholm, Sweden, RIoT Secure is at the forefront of IoT security, especially in regards to resource-constrained microcontrollers,...
Nabeel S. Qureshi
Advice That Actually Worked For Me
My contribution to the 'productivity advice' genre.
over a year ago
My contribution to the 'productivity advice' genre.
Matt Blewitt
Service Objects in Rails
Let’s kick off 2016 with a whistle-stop tour of one of my favourite
OO approaches, Service Objects,...
over a year ago
Let’s kick off 2016 with a whistle-stop tour of one of my favourite
OO approaches, Service Objects, in the context of Rails.
Louwrentius
Understanding IOPS, latency and storage performance
Update 2020: I've written another blogpost about this topic, including some benchmark examples.
When...
over a year ago
Update 2020: I've written another blogpost about this topic, including some benchmark examples.
When most people think about storage performance, they think about throughput. But throughput is similar to the top speed of a car. In reality, you will almost never reach the top...
Arduino Blog
Finally, you can DIY your own espresso machine
Caffeine lovers take their coffee very seriously and that is most apparent when you dive into the...
3 months ago
Caffeine lovers take their coffee very seriously and that is most apparent when you dive into the world of espresso machines. To satisfy enthusiasts, an espresso machine needs to provide precise control over temperature, pressure, and flow to enable the perfect pull. But if...
Home on Erik...
New benchmarks for approximate nearest neighbors
UPDATE(2018-06-17): There are is a later blog post with newer benchmarks!
One of my super nerdy...
over a year ago
UPDATE(2018-06-17): There are is a later blog post with newer benchmarks!
One of my super nerdy interests include approximate algorithms for nearest neighbors in high-dimensional spaces. The problem is simple. You have say 1M points in some high-dimensional space.
Opsbros
The past lives again!
I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons...
over a year ago
I found a GameBoy Camera for my GBC and thought it'd be a good idea to extract the photos from eons ago and bring them to the era of the internet.
./techtipsy
How to take down production with a single Helm command
You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux
user.1
You know Kubernetes,...
8 months ago
You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux
user.1
You know Kubernetes, especially after the time you migrated some services to it.
Everything is calm.
Your pods are running. Your service is up. Business as usual.
You release some minor changes to...
Home on Erik...
How to hire smarter than the market: a toy model
Let's consider a toy model where you're hiring for two things and that those are equally valuable....
over a year ago
Let's consider a toy model where you're hiring for two things and that those are equally valuable. It's not very important what those are, so let's just call them “thing A” and “thing B” for now.
Notes on software...
Interview with the D Language Blog: BSDScheme
This is an external post of mine. Click
here
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over a year ago
This is an external post of mine. Click
here
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seangoedecke.com RSS...
Building multiplayer games with socket.io and HTML5 Canvas
I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps...
over a year ago
I’ve been building crappy hobby games on and off for my whole coding life. One of my very first apps was a Visual Basic game - I was in…
Matt Mullenweg
Falling Snow
The talented Felix Arntz has given an incredible Christmas gift to the WordPress community with his...
4 days 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
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
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...
Good Enough
TIL: Blocking Password App Autocomplete on Form Fields
I wanted to disable password managers, particularly 1Password, from interacting with a username...
a year ago
I wanted to disable password managers, particularly 1Password, from interacting with a username field in Contact Me. It was pretty simple in the end:
<%= form.text_field :username, "data-lpignore": true, "data-1p-ignore": true %>
Reference: 1Password, Lastpass.
Jonas Hietala
How I did the layout for my self-published book
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB...
10 months ago
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB version, and the printed version.
I was planning to include many more details, but the project took a lot longer than planned so I’ve forgotten some things.
Web page
I started...
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
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...
Posts on Made of...
BlackHat/DEFCON 2011 talk: Breaking out of KVM
I’ve posted the final slides from my talk this year at DEFCON and Black Hat, on breaking out of the...
over a year ago
I’ve posted the final slides from my talk this year at DEFCON and Black Hat, on breaking out of the KVM Kernel Virtual Machine on Linux.
Virtunoid: Breaking out of KVM from Nelson Elhage [Edited 2011-08-11] The code is now available. It should be fairly well-commented, and...
latest projects -...
Light comms on the 003
[Hardware] Tiny terrahertz transmissions
4 months ago
[Hardware] Tiny terrahertz transmissions
Jonas Hietala
The End of the Tunnel
Lately I’ve been feeling like there’s been a shit-ton of stuff going on, quite a turn-around from...
over a year ago
Lately I’ve been feeling like there’s been a shit-ton of stuff going on, quite a turn-around from the last time.
One course about data structure and algorithms (super fun to be honest) has wrapped up. We thought we were ahead with the assignments but in the end it got very...
Matt Mullenweg
Response to DHH
I’ve taken this post down. I’ve been attacked so much the past few days; the most vicious, personal,...
2 months ago
I’ve taken this post down. I’ve been attacked so much the past few days; the most vicious, personal, hateful words poisoned my brain, and the original version of this post was mean. I am so sorry. I shouldn’t let this stuff get to me, but it clearly did, and I took it out on DHH,...
Jonas Hietala
The 4-Hour Chef: Scrambled Eggs
I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to...
over a year ago
I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to make changes and start doing new things. I got introduced to Josh Waitzkin’s excellent The Art of Learning and the meta skill of learning has since then fascinated me. So when I got...
GitButler
GitButler for Windows
The GitButler client is now available natively on Windows.
8 months ago
The GitButler client is now available natively on Windows.
Arduino Blog
Arduino Cloud is now available in AWS Marketplace!
We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier...
2 months ago
We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier than ever for developers and businesses worldwide to integrate our powerful IoT platform into their AWS infrastructure. This development is particularly relevant for those in...
Birchtree
All the games I played in 2024, reviewed
I love movies, but I really love games as well, so I figured I may as well follow up my 2024 movies...
5 days ago
I love movies, but I really love games as well, so I figured I may as well follow up my 2024 movies of the year post with something similar for games. I’m not going to rank these, but I’ll give a few words on each one
Jonas Hietala
2015 in Review
Previous reviews: 2010, 2011, 2012, 2013 and 2014.
2015 Geek Achievements
Finished my university...
over a year ago
Previous reviews: 2010, 2011, 2012, 2013 and 2014.
2015 Geek Achievements
Finished my university studies and got a Master in Computer Science.
Discovered a new boardgame love: Android Netrunner.
Finished top 4 in my first Netrunner Store Championship.
Won a small local Netrunner...
Abort Retry Fail
The History of the IBM 5100
IBM's First Personal Computer
a year ago
IBM's First Personal Computer
Ken Shirriff's blog
Inside the Intel 386 processor die: the clock circuit
Processors are driven by a clock, which controls the timing of each step inside the chip.
In this...
a year ago
Processors are driven by a clock, which controls the timing of each step inside the chip.
In this blog post, I'll examine the clock-generation circuitry inside the Intel 386 processor.
Earlier processors such as the 8086 (1978) were simpler, using two clock phases internally.
The...
Posts on Made of...
A brief look at Linux's security record
After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a...
over a year ago
After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a look at a handful of the high-profile privilege escalation vulnerabilities in Linux from the last few years. So, here's a summary of the ones I picked out. There are also a large...
Jonas Hietala
Widening the horizon
This is a game making site but where are the games? What gives?
I’ve been slightly less motivated in...
over a year ago
This is a game making site but where are the games? What gives?
I’ve been slightly less motivated in making games lately and I’ve been doing different things, just to get my ideas and my motivation up. As I said in an earlier post I wanted a break from Experimental Games and I...
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
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.
Home on Erik...
Top posts
These are some blog posts which have gotten a disproportionate amount of traffic (10,000+ page...
over a year ago
These are some blog posts which have gotten a disproportionate amount of traffic (10,000+ page views):
2024 It's hard to write code for computers, but it's even harder to write code for humans 2023 Simple sabotage for software 2022 We are still early with the cloud: why...
Notes on software...
Writing a web server from scratch: 1. HTTP and sockets
Say we have some HTML:
<html>
<body>
<h1>Hello world!</h1>
</body>
</html>
And say we'd...
over a year ago
Say we have some HTML:
<html>
<body>
<h1>Hello world!</h1>
</body>
</html>
And say we'd like to be able to render this page in a web browser. If
the server is hosted locally we may want to enter
localhost:9000/hello-world.html in the address bar, hit
enter, make a...
Notes on software...
RFCs and asynchronous-first culture
I hated writing documentation before working on features. But after a
while I realized I couldn't...
over a year ago
I hated writing documentation before working on features. But after a
while I realized I couldn't communicate well enough, even with folks I
had a good connection with. It took me a number of mistaken deliveries
to get the message.
Sketches and mockups
Designers solve this by...
Good Enough
TIL: Don’t forget your Web Manifest file
We’re primarily a web shop. We’re dipping our toes into mobile app development, but our collective...
a year ago
We’re primarily a web shop. We’re dipping our toes into mobile app development, but our collective expertise is in making products and services for the web. And like everyone else, our use of the web has shifted from our desktops and laptops to our phones.
As we’re creating and...
detreville
But why "detreville"?
(But why not?)
a year ago
./techtipsy
Disabling the crappy Broadcom Bluetooth adapter in your ThinkPad T430 running Linux
You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like
1vyrain, installed a...
over a year ago
You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like
1vyrain, installed a better adapter like the
Intel Dual Band Wireless-AC 7260,
and found that Bluetooth is not working as intended on your ThinkPad T430
running Linux?
Here’s a guide on what you can...
Jonas Hietala
We moved away from the city
When me and my girlfriend Veronica moved to Linköping to study at the University the plan was never...
over a year ago
When me and my girlfriend Veronica moved to Linköping to study at the University the plan was never to stay there permanently. We just moved there to study but the longterm plan, if you can have one at that stage, was always to move back to the north of Sweden where we came...
Matt Blewitt
Shunn
The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts...
6 months ago
The Shunn manuscript format is a set of guidelines for writers to follow when submitting manuscripts to publishers. It was created by author William Shunn and is widely used in the publishing industry. Here is a brief demonstration of a tool I wrote to facilitate generating...
Jonas Hietala
Entering Pintos
First week of school is over and it’s been full throttle from the start, in a good way. We’re having...
over a year ago
First week of school is over and it’s been full throttle from the start, in a good way. We’re having four courses and for once I like them all. We have an interesting math course, a useful course “Software Development in Theory” (boring but useful) and a big project course where...
Notes on software...
The world of PostgreSQL wire compatibility
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here
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over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Engineers Need Art
Virtual Pinhead
Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual...
8 months ago
Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual pinball cabinet.
watchTowr Labs -...
No Way, PHP Strikes Again! (CVE-2024-4577)
Orange Tsai tweeted a few hours ago about “One of [his] PHP vulnerabilities, which affects XAMPP by...
6 months ago
Orange Tsai tweeted a few hours ago about “One of [his] PHP vulnerabilities, which affects XAMPP by default”, and we were curious to say the least. XAMPP is a very popular way for administrators and developers to rapidly deploy Apache, PHP, and a bunch of other tools, and
Posts on Made of...
Suggestion time: What should I blog about?
I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron...
over a year ago
I haven’t been feeling very motivated to blog lately – I’ve missed the last two weeks of Iron Blogger, and I’m not totally enthusiastic about any of the items on my “to blog” list.
But, I do enjoy blogging when I actually get into posts, and I’d like to keep updating this blog....
Jonas Hietala
Starcraft 2 Keycaps
When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure...
over a year ago
When I ordered this computer I was compelled, utterly compelled to buy a mechanical keyboard. Sure they cost almost 10x as much as a “regular” one and they didn’t even have these funky multimedia keys, what gives? Did I loose my insanity? It was supposed to give a great typing...
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
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...
Home on Erik...
Miscellaneous unsolicited (and possibly biased) career advice
No one asked for this, but I'm something like ~12 years into my career and have had my fair share of...
over a year ago
No one asked for this, but I'm something like ~12 years into my career and have had my fair share of mistakes and luck so I thought I'd share some.
Honestly, I feel like I've mostly benefitted from luck.
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
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...
Notes on software...
Favorite compiler and interpreter resources
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a year ago
This is an external post of mine. Click
here
if you are not redirected.
Gwern.net Newsletter
May Gwern.net Newsletter
Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1...
over a year ago
Link compilation newsletter with anime GAN updates, links on AI scaling, discussion of GPT-3, and 1 book review.
Applied Cartography
Things take time
Things take time.
Nintendo fairly famously was born in 1889, and the modern incarnation — Yamamuchi...
7 months ago
Things take time.
Nintendo fairly famously was born in 1889, and the modern incarnation — Yamamuchi Nintendo & Co., LTD — was established nearly fifty years later, in 1933. They spent forty years selling playing cards, then another decade operating merely as a distributor of...
Style over Substance
Leitz Summicron 50mm f/2 rigid (type 2) lens
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron...
over a year ago
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron lens, though that was the first generation collapsible model known as a Type 1. This lens has lived on my Leica M3 permanently for the past few years, and I have enjoyed the hell...
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
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...
Jonas Hietala
Let's build a VORON: Filters
I can print, but the printer is missing a very important thing that I alluded to in the previous...
a year ago
I can print, but the printer is missing a very important thing that I alluded to in the previous post: filtering dangerous particles and fumes.
This is mostly covered by the kit, but I was missing some parts from the print it forward and the kit didn’t include a HEPA...
Applied Cartography
Buttondown Analytics 3.0
Working on a new analytics engine — a scant eleven months after the previous 'new analytics...
10 months ago
Working on a new analytics engine — a scant eleven months after the previous 'new analytics engine'.
Calling this 3.0 is a bit of a misnomer: most of the code, design, and plumbing from the 2023 redesign is sticking around, just in a more modular format. The goal here is to...
Computer Ads from...
Creative Computing Magazine Interviews Clive Sinclair (1980)
This British inventor speaking about his ZX-80 computer system
2 weeks ago
This British inventor speaking about his ZX-80 computer system
Arduino Blog
Arduino IDE 2.3.3: discover new support for shared spaces and more!
We’re excited to announce that the Arduino IDE 2.3.3 is now live! What’s in the new version This...
2 months ago
We’re excited to announce that the Arduino IDE 2.3.3 is now live! What’s in the new version This new release is packed with improvements, including one feature we’re particularly proud of: support for shared spaces in Arduino Cloud. If you have a Cloud Business plan or School...
Matt Blewitt
7 Languages in 7 Weeks for 2025
It’s been over 14 years since the original 7 Languages in 7 Weeks was first published, giving a...
3 weeks ago
It’s been over 14 years since the original 7 Languages in 7 Weeks was first published, giving a hands on tour of Ruby, Clojure, Haskell, Io, Scala, Erlang and Prolog. Ruby achieved critical mass, to some degree so did Scala, with the others being popular within their specific...
Willem's Blog
iPad Pro as primary computer
Is the time right to use an iPad as primary development platform to get some real work done?
over a year ago
Is the time right to use an iPad as primary development platform to get some real work done?
Arduino Blog
Light up the holiday season, with a new Plug and Make Kit tutorial!
Looking for a fun and creative way to brighten up the holiday season? With the Arduino Plug and Make...
2 weeks ago
Looking for a fun and creative way to brighten up the holiday season? With the Arduino Plug and Make Kit, you can build an interactive LED light installation that reacts when someone walks by – perfect for spreading cheer and adding a high-tech twist to your decorations. This...
csvbase blog
My favourite API is a zipfile on the European Central Bank's website
Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
a year ago
Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
Jonas Hietala
How I made a kick-ass cover for my self-published book
If you want to publish a book, one of the most important things to consider is the cover—after all,...
over a year ago
If you want to publish a book, one of the most important things to consider is the cover—after all, we judge the book by the cover.
And I did it the universally recommended way:
I hired a designer.
Simple, right?
But real talk; it’s not exactly that simple and I did a bunch of...
Notes on software...
Generating a REST API from a database
I recently published an alpha version of a code generation tool,
DBCore, that reads a...
over a year ago
I recently published an alpha version of a code generation tool,
DBCore, that reads a database
schema from PostgreSQL or MySQL and generates an entire Go API with
CRUD operations, pagination, filtering, and authentication.
But more than just generating code like
xo/xo or...
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
The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would like to admit.
Arduino Blog
Meet the CapibaraZero, a multifunctional security and hacking tool based on the Nano ESP32
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and...
a month ago
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and security professionals alike for their small size and wide array of hacking tools. Inspired by the functionality of the FlipperZero, Project Hub user ‘andreockx’ created a similar...
axio.ms
Maths is Fun and Useful but Lasers Are More So
Way back when, I made a cool but basic paper sculpture (in Maths is Fun and Useful) by hand, using a...
over a year ago
Way back when, I made a cool but basic paper sculpture (in Maths is Fun and Useful) by hand, using a perl script for the shape template. For cultural reasons, I wanted to make a gift out of paper and it had to be Heaps Good.
I had finally got access to a laser cutter (omgomg)...
Jonas Hietala
Writing Home Assistant automations using Genservers in Elixir
I’ve been a fan of Home Assistant a while now;
it’s a great platform for home automation with its...
2 months ago
I’ve been a fan of Home Assistant a while now;
it’s a great platform for home automation with its beginner friendly and feature rich UI,
support for a ton of different devices and integrations,
and there’s a bunch of ways to create automations.
But there’s no engine for writing...
Posts on Made of...
Automounting sshfs
For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally...
over a year ago
For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally lightweight way to access the remote filesystem of any machine you have ssh to, without requiring any extra setup on the host. I’ve been running for at least a year now with my...
Posts on Made of...
Measuring Capacity Through Utilization
(This post is cross-posted from Honeycomb’s instrumentation series).
One of my favorite concepts...
over a year ago
(This post is cross-posted from Honeycomb’s instrumentation series).
One of my favorite concepts when thinking about instrumenting a system to understand its overall performance and capacity is what I call “time utilization”.
By this I mean: If you look at the behavior of a...
Old Vintage...
One-parting some Commodore 64 utilities for fun and profit
I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them...
a month ago
I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them involve some little Commodore 64 games I've had kicking around on the backburner. However, every game needs media assets, and while there are many great tools for doing art on your...
Vitalik Buterin's...
An Incomplete Guide to Rollups
over a year ago
Notes on software...
In response to a frontend developer asking about database development
This is an external post of mine. Click
here
if you are not redirected.
a year ago
This is an external post of mine. Click
here
if you are not redirected.
Jonas Hietala
Why I still blog after 15 years
Time flies when you’re having fun.
Before you know it, your little babies have started school, you...
2 months ago
Time flies when you’re having fun.
Before you know it, your little babies have started school, you celebrate the 30th anniversary of Jurassic Park, and that little blog you started have now been going for 15 years.
15 years is a long time; longer than I’ve been waiting for Winds...
anderegg.ca
The trouble with openness
Back in the early 2000s, there was this nebulous idea called the semantic web. It never really went...
3 weeks 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
Is there an easy and secure way to transfer files?
Many organisations just assume that the local physical network is trusted. That their network...
over a year ago
Many organisations just assume that the local physical network is trusted. That their network equipment is physically secure and that it is impossible for an attacker to get on the wire and start eavesdropping on network traffic.
Many organisations do not seem too concerned about...
Construction Physics
Will the China Cycle Come for Airbus and Boeing?
Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in...
2 months ago
Noah Smith, author of the economics Substack Noahpinion, often refers to a common trajectory in Chinese manufacturing as the “China Cycle”:
Ken Shirriff's blog
Inside the mechanical Bendix Air Data Computer, part 5: motor/tachometers
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses
gears...
10 months ago
The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses
gears and cams for its mathematics. It was a key part of military planes such as the F-101 and the F-111 fighters,
computing
airspeed, Mach number, and other "air data".
The rotating...
Nabeel S. Qureshi
Reflections on Palantir
A retrospective of an eight-year stint.
2 months ago
A retrospective of an eight-year stint.
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
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...
Posts on Made of...
Two kinds of testing
While talking about thinking about tests and testing in software engineering recently, I’ve come to...
over a year ago
While talking about thinking about tests and testing in software engineering recently, I’ve come to the conclusion that there are (at least) two major ideas and goals that people have when they test or talk about testing. This post aims to outline what I see as these two schools,...
Posts on Made of...
Running Tensorflow on AWS GPUs
I’ve been spending some time learning deep learning and tensorflow recently, and as part of that...
over a year ago
I’ve been spending some time learning deep learning and tensorflow recently, and as part of that project I wanted to be able to train models using GPUs on EC2. This post contains some notes on what it took to get that working. As many people have commented, the environment setup...
OH8HUB’s Substack
Spring day ham radio activation in Hiastinlahti, Finland
Hiastinlahti is a bay where river Iijoki flows into Bothnian Bay, the northernmost part of Gulf of...
a year ago
Hiastinlahti is a bay where river Iijoki flows into Bothnian Bay, the northernmost part of Gulf of Bothnia. This area is a Nature 2000 nature reserve area and good spot for bird watching. The area has a two kilometer long nature trail with fireplace, lean-to and toilet. From the...
Applied Cartography
Bluesky is good
Three months ago, I wrote Bluesky et al, in which I walked through the various platforms vying for...
a week ago
Three months ago, I wrote Bluesky et al, in which I walked through the various platforms vying for the dubious title of "Twitter's successor" and landed on Bluesky as being my favorite, perhaps less out of its ostensible inherent virtues and more out of the size of its...
Style over Substance
Review of the 2-dial TTArtisan Light Meter
My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter...
over a year ago
My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter accessory. The market for these shoe-mounted light meters for vintage cameras has become weirdly competitive. They fit on top of a mechanical camera and provide you with the right...
Neil Madden
Macaroon access tokens for OAuth: Part 2 – transactional auth
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a...
over a year ago
In part 1, I showed how Macaroon access tokens in ForgeRock Access Management 7.0 can be used as a lightweight and easy-to-deploy alternative to proof of possession (PoP) schemes for securing tokens in browser-based apps. The same techniques can be adapted to secure tokens in...
Arduino Blog
Controlling a drum machine with the Arduino Opta
Makers have long asked the question “why bother with an expensive PLC when I can just use an...
6 months ago
Makers have long asked the question “why bother with an expensive PLC when I can just use an Arduino?” The answer comes down to the priorities and needs of industrial clients. In a factory automation setting, the client will prioritize durability, reliability, and serviceability...
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
This is an external post of mine. Click
here
if you are not redirected.
Arduino Blog
Build Button Clash in minutes: a new fun game with Plug and Make Kit
The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes....
2 weeks ago
The Arduino Plug and Make Kit is all about turning creative sparks into reality in mere minutes. With its intuitive, snap-together design, even the wildest ideas become achievable – fast, fun, and frustration-free. That’s exactly what Julián Caro Linares, Arduino’s Product...
Jonas Hietala
Writing a Pollen lexer in Pygments
After writing a few blog posts about Pollen I started getting annoyed that I didn’t have syntax...
over a year ago
After writing a few blog posts about Pollen I started getting annoyed that I didn’t have syntax highlighting for the code snippets. So I did a bit of fooling around with Pygments, and it turns out writing a custom lexer isn’t that unreasonable, so here’s how I did it.
Pollen...
Posts on Made of...
Wordpress tricks: Disabling editing shortcuts
One of the major reasons I can’t stand webapps is because I’m a serious emacs junkie, and I can’t...
over a year ago
One of the major reasons I can’t stand webapps is because I’m a serious emacs junkie, and I can’t edit text in anything that doesn’t have decent emacs keybindings.
Fortunately, on Linux, at least, GTK provides basic emacs keybindings if you add
gtk-key-theme-name = "Emacs" to...
./techtipsy
Lenovo ThinkPad P14s gen 4 (AMD): it doesn't suck under Linux
I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop...
8 months ago
I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop recently, and it was horrible.
But this time I’m pleasantly surprised.
The Lenovo ThinkPad P14s gen 4 has great specs:
CPU: AMD Ryzen 7 PRO 7840U (8 cores, 16 threads, up to 5.1 GHz)
GPU:...
Home on Erik...
Stuff that bothers me: “100x faster than Hadoop”
The simple way to get featured on big data blog these days seem to be
Build something that does 1...
over a year ago
The simple way to get featured on big data blog these days seem to be
Build something that does 1 thing super well but nothing else Benchmark it against Hadoop Publish stats showing that it's 100x faster than Hadoop $$$ Spark claims their 100x faster than Hadoop and there's a...
Matt Blewitt
So, You Want To Build A DBaaS
So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a...
a year ago
So you’ve made the decision to build a Database-as-a-Service product (or something similar). As a result, you are making state and coordination your problem. Here are some things I’ve learned to keep in mind as you embark on this project, in no particular order (other than the...
Willem's Blog
Scalable application design without magic
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I...
over a year ago
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I did this by leveraging the client's computing power having it handle most of the user interaction workload.
Christian Selig
Announcing Juno 2.0
Juno’s been a really fun project to build, and it’s been so great hearing how other people have been...
7 months ago
Juno’s been a really fun project to build, and it’s been so great hearing how other people have been enjoying Juno since its launch, as well as providing awesome feedback and input to improve it.
Today I’m releasing Juno 2.0, which incorporates a ton of that community feedback,...
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
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.
Willem's Blog
Minimalistic road bike with Gates carbon drive
For the past few months I have been riding the Schindelhauer Siegfried Road bike with the Gates CDX...
over a year ago
For the past few months I have been riding the Schindelhauer Siegfried Road bike with the Gates CDX Carbon Drive, read about this beautiful minimal bike in this post.
Arduino Blog
Bringing Quake to Arduino: a game-changing project by Nicola Wrachien
Following up on his successful Doom port last year, engineer Nicola Wrachien – who works at Silicon...
2 months ago
Following up on his successful Doom port last year, engineer Nicola Wrachien – who works at Silicon Labs, a leader in secure, intelligent wireless technology for a more connected world and long-time Arduino partner – has now tackled an even bigger challenge: porting Quake, the...
Buck on Software
Thinking incrementally about SaaS
An overview of the key output of the growth software machine
over a year ago
An overview of the key output of the growth software machine
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
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...
./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
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,...
Applied Cartography
Notes on ActivityPub
By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and...
7 months ago
By far the single most-fruitful tactic has been "just look at raw GET responses from Mastodon and see what things are shaped like." I know that "ActivityPub is under-specified" is a bit of a meme, but it's wild how little prior art there is.
Something that gives distinctly bad...
seangoedecke.com RSS...
From hours to seconds: AI tools to detect animal calls
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises,...
8 months ago
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises, it’s likely that the last four years of…
Style over Substance
Using the Olympus XA as an everyday carry camera
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of...
over a year ago
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of EDC – Every Day Carry – is that a piece of equipment should be light and compact enough to have with you every day, yet still versatile enough to be useful in […]
The post Using...
Arduino Blog
Transform trash into treasure with the DIY Bottle Plotter
Manufacturers put a lot of effort into their packaging (there is an entire engineering discipline...
3 months ago
Manufacturers put a lot of effort into their packaging (there is an entire engineering discipline just for that) and some of it can be quite beautiful. But it usually still ends up in the landfill or, at best, in a recycling center. However, if you’re the type of person who can...
Jonas Hietala
Postmortem: Black and White
All this time working on my latest game I thought it sucked and I was trying hard to make it to not...
over a year ago
All this time working on my latest game I thought it sucked and I was trying hard to make it to not suck. My spirit wasn’t high, just check this post and this but now when it’s done it’s like night and day, or like black and white! I’m damn happy I got it done!! Aah I’ll try to...
Willem's Blog
Collecting health data with Biostrap
Wearing a clinical-grade PPG sensor for a month to collect advanced biometrics from my wrist.
over a year ago
Wearing a clinical-grade PPG sensor for a month to collect advanced biometrics from my wrist.
Old Vintage...
xa (xa65) 2.4.0 - finally
xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816...
a year ago
xa (xa65) 2.4.0 is the newest release of André Fachat's fast and portable two-pass 6502/65816 crossassembler; yours truly is the current maintainer and I just punched "live" on it tonight. It runs on Un*xy things and Windows (with Cygwin or msys2 or similar), and probably other...
Jonas Hietala
Moving to FastMail
About two years ago after Lavabit’s shutdown I searched for a replacement email provider. For some...
over a year ago
About two years ago after Lavabit’s shutdown I searched for a replacement email provider. For some reason I settled on eumx which I used since then. Yesterday I got an email saying the recurring billing could not be renewed as I had my old credit card registered and it got me...
Simply Explained
Good Home Automation Should be Boring
I'm a huge fan of Home Assistant to automate various things around the house. I often look at other...
over a year ago
I'm a huge fan of Home Assistant to automate various things around the house. I often look at other people's setup for inspiration, and one thing struck me. Many people have cluttered dashboards and use Home Assistant to track just about any metric they can.That's quite different...
Louwrentius
The sorry state of CoW file systems
I'd like to argue that both ZFS and BTRFS both are incomplete file systems with their own drawbacks...
over a year ago
I'd like to argue that both ZFS and BTRFS both are incomplete file systems with their own drawbacks and that it may still be a long way off before we have something truly great.
Both ZFS and BTRFS are two heroic feats of engineering, created by people who are probably ten times...
Louwrentius
Why security is all about defense in depth
Many people asume that if you regularly update your computer, you are safe from hackers. But nothing...
over a year ago
Many people asume that if you regularly update your computer, you are safe from hackers. But nothing could be further from the truth. Keeping your systems up-to-date only protects you against exploits for publicly known vulnerabilities.
Your systems are still not protected...
Applied Cartography
Is cool enough?
Via HN I ran into not one but two extremely neat
and pleasant-looking libraries for URL...
9 months ago
Via HN I ran into not one but two extremely neat
and pleasant-looking libraries for URL manipulation. They look like great libraries, and a prior version of me would have taken a brief set of cursory
glances at the hodgepodge of janky URL manipulation code that I wrote for...
Vitalik Buterin's...
The Most Important Scarce Resource is Legitimacy
over a year ago
Posts on Made of...
Check Plus: An EDSL for writing unit tests in C
Check is an excellent unit-testing framework for C code, used by a number of relatively well-known...
over a year ago
Check is an excellent unit-testing framework for C code, used by a number of relatively well-known projects. It includes features such as running all tests in separate address spaces (using fork(2)), which means that the test suite can properly report segfaults or similar crashes...
Home on Erik...
On the Equifax breach and how to really prevent identity theft
A funny thing about being a foreigner is how you realize people take broken things for granted. I'm...
over a year ago
A funny thing about being a foreigner is how you realize people take broken things for granted. I'm going to go out on a limb here claiming that the US has a pretty dumb banking system.
lcamtuf’s thing
Weekend projects: getting silly with C
C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
5 months ago
C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
Posts on Made of...
Some opinionated thoughts on SQL databases
People who work with me tend to realize that I have Opinions about databases, and SQL databases in...
over a year ago
People who work with me tend to realize that I have Opinions about databases, and SQL databases in particular. Last week, I wrote about a Postgres debugging story and tweeted about AWS’ policy ban on internal use of SQL databases, and had occasion to discuss and debate some of...
./techtipsy
Self-hosting Wikipedia using Kiwix
Do you have a need to host Wikipedia on your computer?
Or a StackExchange site, like Super...
over a year ago
Do you have a need to host Wikipedia on your computer?
Or a StackExchange site, like Super User?
It’s easier than you think!
Step 1: download stuff!
The Kiwix project provides ZIM files for many popular websites, including Wikipedia.
These files can be downloaded over at Kiwix...
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
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...
Willem's Blog
Assembling a cargo bike
How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the...
over a year ago
How hard can it be to assemble a cargo bike? This posts shares my experience with assembling the Babboe Big cargo bike.
Notes on software...
SMTP protocol basics from scratch in Go: receiving email from Gmail
I've never run my own mail server before. Before today I had no clue
how email worked under the hood...
over a year ago
I've never run my own mail server before. Before today I had no clue
how email worked under the hood other than the very few times I've set
up mail clients.
I've heard no few times how hard it is to send mail from a
self-hosted server (because of spam filters). But how hard can...
Notes on software...
Standard ML in 2020
Incredibly, Standard ML implementations are still actively
developed. MLton, Poly/ML,
MLKit,
SML#...
over a year ago
Incredibly, Standard ML implementations are still actively
developed. MLton, Poly/ML,
MLKit,
SML# and
SML/NJ
are the most prominent. Discussion on the future direction of Standard
ML remains healthy as
well.
And somehow OCaml's lesser known cousin still beats out OCaml...
Willem's Blog
Smartwatches vs Mechanical watches
Why I still wear a mechanical watch and why smartwatches have potential.
over a year ago
Why I still wear a mechanical watch and why smartwatches have potential.
Home on Erik...
NYC subway math
Apparently MTA (the company running the NYC subway) has a real-time API. My fascination for the...
over a year ago
Apparently MTA (the company running the NYC subway) has a real-time API. My fascination for the subway takes autistic proportions and so obviously I had to analyze some of the data. The documentation is somewhat terrible, but here's some relevant code for how to use the API:
Jonas Hietala
Bullets and AI
The game is still far from being an actual game but some progress has been made. I fixed most of the...
over a year ago
The game is still far from being an actual game but some progress has been made. I fixed most of the collision detection problems and I’m now trying to make some sort of AI working for the ship. It’s a bit hard and time consuming and I don’t know how to make things good.
Maybe...
Jonas Hietala
Long Term Goals Update
During my vacation I suddenly got a bunch of “life crisis” type thoughts in an almost panic inducing...
over a year ago
During my vacation I suddenly got a bunch of “life crisis” type thoughts in an almost panic inducing intensity. They were mostly thoughts about not having accomplished anything and that the future looks bleak and meaningless and it’s not worth to do anything. As usual they are...
./techtipsy
Can a laptop from 2012 be a viable home server?
I’m a man of many ideas. It’s a shame that most of them are quite stupid.
This is one of them, but...
over a year ago
I’m a man of many ideas. It’s a shame that most of them are quite stupid.
This is one of them, but at least it makes for a fun experiment.
Intro
After adding an UPS to accompany my server,
my setup was as complete as it could reasonably be. The server is low power,
but packs...
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
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...
Posts on Made of...
Two Perspectives on the End-to-End Principle
Back when I was an undergraduate, as part of a class called “Computer Systems Engineering”, we read...
over a year ago
Back when I was an undergraduate, as part of a class called “Computer Systems Engineering”, we read numerous classic papers of systems design. I enjoyed and learned a great deal from many of these papers, but one that paper that has stuck with me in particular was Saltzer et al’s...
Notes on software...
Delightful, production-grade replication for Postgres
This is an external post of mine. Click
here
if you are not redirected.
4 months ago
This is an external post of mine. Click
here
if you are not redirected.
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
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...
Jonas Hietala
Blogging in Djot instead of Markdown
What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps...
10 months ago
What if we weren’t chained to the past? What if we tried to create a light markup syntax that keeps what is good about Markdown, while revising some of the features that have led to bloat and complexity in the CommonMark spec?
John Macfarlane, Beyond Markdown
I recently...
Jonas Hietala
2011 in Review
It’s time to wrap up the year that’s been. Be warned for slight ego boosting here.
2011 Geek...
over a year ago
It’s time to wrap up the year that’s been. Be warned for slight ego boosting here.
2011 Geek Achievements
Wrote three games this year:
My Minions
Grand Thief Arto
Sat-E
Bought a new computer!
Bought a mechanical keyboard.
Bought custom Starcraft 2 keycaps for the...
Simply Explained
Why I don't take sponsorships
Last year I made that video in response to a sponsorship offer that I got from various VPN...
over a year ago
Last year I made that video in response to a sponsorship offer that I got from various VPN providers. They all told me the same thing: our service is the best way to protect your privacy, and we were hoping you could convey this message in one of your videos.So I decided to do...
Jonas Hietala
2023 in review
This is my yearly review #14.
Amazing that I’ve kept up with this for 14 years.
Even though it’s not...
11 months ago
This is my yearly review #14.
Amazing that I’ve kept up with this for 14 years.
Even though it’s not anything advanced, I really like looking back at the year to see what has happened.
Maybe it’s a very light version of a reverse bucket list, and I can see that it provides some...
Computer Ads from...
Small Systems Engineering's PETSPEED
Fast Enough for the Human Race
5 months ago
Fast Enough for the Human Race
Arduino Blog
Receive an alert when your device goes offline in Arduino Cloud
You’re managing a network of IoT sensors that monitor air quality across multiple locations....
a month ago
You’re managing a network of IoT sensors that monitor air quality across multiple locations. Suddenly, one of the sensors goes offline, but you don’t notice until hours later. The result? A gap in your data and a missed opportunity to take corrective action. This is a common...
./techtipsy
Accidentally turning the ASRock DeskMini X300 into a semi-passively cooled PC
After playing around with fan curves on my ASRock DeskMini X300
based home server, I noticed one...
over a year ago
After playing around with fan curves on my ASRock DeskMini X300
based home server, I noticed one interesting thing. At least it was
interesting to me.
Background
I had one goal: to try to see if I could turn it into a semi-passive PC by only
turning the fan on when the PC was...
Arduino Blog
On-body LEDs help this guitar rock harder
You don’t go to watch a band play live for the audio quality — most venues are atrocious in that...
6 months ago
You don’t go to watch a band play live for the audio quality — most venues are atrocious in that regard. No, you go to enjoy the show as a whole and that includes the visuals. The more a band can do to make the performance look exciting, the more you’re going to enjoy it. […]
The...
Christian Selig
Recreating Apple's beautiful visionOS search bar
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front...
9 months ago
Many of Apple’s own visionOS apps, like Music, Safari, and Apple TV, have a handy search bar front and center on the window so you can easily search through your content. Oddly, as of visionOS 1.1, replicating this visually as a developer using SwiftUI or UIKit is not...
Jonas Hietala
Long Term Goals (part 2)
A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major...
over a year ago
A few minutes after I wrote about my long term goals, in the shower, I realize I forgot a few major goals I have:
Write my own Programming Language
Why? Because it sounds fun and epic as hell.
Write a Book
So I like books and I like to collect them and I have my whole bookcase...
Push to Prod
Comprehension of Concurrency is a Lifelong Journey
Accept that your understanding is imperfect. There is comfort in letting go.
5 months ago
Accept that your understanding is imperfect. There is comfort in letting go.
Home on Erik...
Annoy 1.10 released, with Hamming distance and Windows support
I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to...
over a year ago
I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to adjust to having a toddler, partly because the hunt for clicks has caused such a high bar for me that I feel like I have to post something Pulitzer-worthy.
Home on Erik...
Learning from users faster using machine learning
I had an interesting idea a few weeks ago, best explained through an example. Let's say you're...
over a year ago
I had an interesting idea a few weeks ago, best explained through an example. Let's say you're running an e-commerce site (I kind of do) and you want to optimize the number of purchases.
Let's also say we try to learn as much as we can from users, both using A/B tests but also...
Computer Ads from...
Huson Soft HuCAL
Hudson creates business software for everyone.
11 months ago
Hudson creates business software for everyone.
Willem's Blog
One year of cycling
GPS recording an entire year of bike rides using Garmin and Strava.
over a year ago
GPS recording an entire year of bike rides using Garmin and Strava.
Home on Erik...
How to set compensation using commonsense principles
Compensation has always been one of the most confusing parts of management to me. Getting it right...
over a year ago
Compensation has always been one of the most confusing parts of management to me. Getting it right is obviously extremely important. Compensation is what drives our entire economy, and you could look at the market for labor as one gigantic resource-allocating machine in the same...
latest projects -...
Talking Tines
[Concept] Tuning forks that talk
5 months ago
[Concept] Tuning forks that talk
Arduino Blog
BrainPatch.AI: How a British neurotech startup built a working prototype fast, using Arduino Nano 33...
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and...
3 months ago
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and effective non-invasive interfaces that can deliver tiny milliamp currents to the right stimulation location on the head, neck or body. One example of the new players in this field is...
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
I switched to Android to find out how good a budget smartphone performs compared to an expensive iPhone.
Matt Blewitt
Long Distance Relationships
I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through...
2 months ago
I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through UTC+10, for the last couple of years. Through that time, I’ve learned a lot on organising work, interpersonal relationships, and ultimately how to overcome a lack of promximity to my...
Applied Cartography
My approach to GTD and PKM
One pernicious thing with writing about productivity and knowledge systems: you only change systems...
2 months ago
One pernicious thing with writing about productivity and knowledge systems: you only change systems that aren’t working, and you tend to write about things during times of change. So most writing about productivity systems stem from people whose systems have failed them.
It is...
Nabeel S. Qureshi
Video Games are the Future of Education
The things you learn by yourself stick; the things that are “taught” to you do not stick.
over a year ago
The things you learn by yourself stick; the things that are “taught” to you do not stick.
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
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...
Engineers Need Art
VPX Scripting - Part 5 (DOF)
Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
8 months ago
Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
Louwrentius
Creating a basic ZFS file system on Linux
Here are some notes on creating a basic ZFS file system on Linux, using ZFS on Linux.
I'm...
over a year ago
Here are some notes on creating a basic ZFS file system on Linux, using ZFS on Linux.
I'm documenting the scenario where I just want to create a file system that can tollerate at least a single drive failure and can be shared over NFS.
Identify the drives you want to use for the...
./techtipsy
Oops, I published my drafts!
Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped...
10 months ago
Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped up around the time
I published my FOSDEM 2024 post.
Oops.
I recently tried looking for an alternative to writing blog posts in IntelliJ and out of all the options I stuck...
Willem's Blog
Beast of the Green Hell
Blog post about an amazing AMG Circuit day at the race track of Zolder, Belgium.
over a year ago
Blog post about an amazing AMG Circuit day at the race track of Zolder, Belgium.
Home on Erik...
Plotting author statistics for Git repos using Git of Theseus
I spent a few days during the holidays fixing up a bunch of semi-dormant open source projects and I...
over a year ago
I spent a few days during the holidays fixing up a bunch of semi-dormant open source projects and I have a couple of blog posts in the pipeline about various updates. First up, I made a number of fixes to Git of Theseus which is a tool (written in Python) that generates...
Jonas Hietala
Let's build a VORON: Noise
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of...
9 months ago
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of how cool the printer is.
But there’s one thing that sucks: it’s damn loud.
I knew that it wouldn’t be silent, but I wasn’t prepared for this kind of noise.
Silent controller...
Home on Erik...
I believe in the 10x engineer, but...
The easiest way to be a 10x engineer is to make 10 other engineers 2x more efficient. Someone can be...
over a year ago
The easiest way to be a 10x engineer is to make 10 other engineers 2x more efficient. Someone can be a 10x engineer if they do nothing for 364 days then convinces the team to change programming language to a 2x more productive language.
Applied Cartography
Meta's two assets
(Epistemic disclaimer: there are few Extremely Big Tech Companies to whom I feel apathy more vividly...
a month ago
(Epistemic disclaimer: there are few Extremely Big Tech Companies to whom I feel apathy more vividly than Meta. I had a Facebook account in high school and college and got rid of it at some point post-graduation, though I'd be hard-pressed to tell you when exactly that was.)
It...
Vitalik Buterin's...
A Note On Charity Through Marginal Price Discrimination
over a year ago
Home on Erik...
Simple sabotage for software
CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out...
a year ago
CIA produced a fantastic book during the peak of World War 2 called Simple Sabotage. It laid out various ways for infiltrators to ruin productivity of a company. Some of the advice is timeless, for instance the section about “General interference with Organizations and...
Willem's Blog
Six months with MCADD
It's six months since our son was born with MCADD, a good moment to reflect upon the experience of...
over a year ago
It's six months since our son was born with MCADD, a good moment to reflect upon the experience of being a parent with some thoughts and tips.
Notes on software...
Writing an efficient object previewer for JavaScript
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Jonas Hietala
Autocomplete with nvim-cmp
Autocomplete tags in the frontmatter.
Autocompletion is an absurdly powerful feature that I—and I...
7 months ago
Autocomplete tags in the frontmatter.
Autocompletion is an absurdly powerful feature that I—and I must assume most programmers—use all the time.
It’s not as crucial for writing blog posts as when you’re coding but it’s still easy to come up with examples of how autocomplete...
computers are bad
2024-01-31 multi-channel audio part 2
Last time, we left off at the fact that modern films are distributed with their
audio in multiple...
10 months ago
Last time, we left off at the fact that modern films are distributed with their
audio in multiple formats. Most of the time, there is a stereo version of the
audio, and a multi-channel version of the audio that is perhaps 5.1 or 7.1 and
compressed using one of several codecs that...
Home on Erik...
Software infrastructure 2.0: a wishlist
Software infrastructure (by which I include everything ending with *aaS, or anything remotely...
over a year ago
Software infrastructure (by which I include everything ending with *aaS, or anything remotely similar to it) is an exciting field, in particular because (despite what the neo-luddites may say) it keeps getting better every year! I love working with something that moves so...
Notes on software...
How I run a software book club
I've been running software book clubs almost continuously since last
summer, about 12 months ago. We...
6 months ago
I've been running software book clubs almost continuously since last
summer, about 12 months ago. We read through Designing Data-Intensive
Applications, Database
Internals,
Systems
Performance, and
we just started Understanding Software
Dynamics.
The DDIA discussions were...
Willem's Blog
Something the smartwatch will never have: patina
Patina is often neglected when comparing smartwatches with regular watches.
over a year ago
Patina is often neglected when comparing smartwatches with regular watches.
Louwrentius
Scanning many hosts in parallel with Nmap using PPSS
Scanning a large number of hosts using Nmap often takes a lot of time. During
this time, no output...
over a year ago
Scanning a large number of hosts using Nmap often takes a lot of time. During
this time, no output is written to a file or disk. Only when Nmap is finished,
is all output written to the output file. Often, I want to start processing
results of hosts that have already been...
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
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...
Vitalik Buterin's...
Epochs and slots all the way down: ways to give Ethereum users faster transaction confirmation times
5 months ago
Home on Erik...
Analyzing 50k fonts using deep neural networks
For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I...
over a year ago
For some reason I decided one night I wanted to get a bunch of fonts. A lot of them. An hour later I had a bunch of scrapy scripts pulling down fonts and a few days later I had more than 50k fonts on my computer.
computers are bad
2024-03-27 telephone cables
So let's say you're working on a household project and need around a dozen
telephone cables---the...
9 months ago
So let's say you're working on a household project and need around a dozen
telephone cables---the ordinary kind that you would use between your telephone
and the wall. It is, of course, more cost effective to buy bulk cable, or
simply a long cable, and cut it to length and attach...
On Life and Lisp
OpenGL 3.1 on Asahi Linux
Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost:...
a year ago
Upgrade your Asahi Linux systems, because your graphics drivers are getting a big boost: leapfrogging from OpenGL 2.1 over OpenGL 3.0 up to OpenGL 3.1! Similarly, the OpenGL ES 2.0 support is bumping up to OpenGL ES 3.0. That means more playable games and more functioning...
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
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...
Arduino Blog
Technology meets creativity in two interactive art student projects
Art and engineering are not separate concepts. There is a great deal of overlap between the two and...
2 months ago
Art and engineering are not separate concepts. There is a great deal of overlap between the two and many modern disciplines increasingly blur those lines. Mónica Riki is an “electronic artist and creative coder” who embodies that idea: you might remember her and her incredible...
Vitalik Buterin's...
Ethereum has blobs. Where do we go from here?
8 months ago
Arduino Blog
UNO Rev3 or UNO R4? Choosing the perfect Arduino for your project
The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family...
4 days ago
The Arduino UNO is legendary among makers, and with the release of the UNO R4 in 2023, the family gained a powerful new member. But with two incredible options, which UNO should you pick for your project? Here’s a breakdown of what makes each board shine, depending on your needs,...
Arduino Blog
Kickstart your tech journey, with the new Arduino Plug and Make Kit!
Hey, creating an IoT device shouldn’t be rocket science. We believe technology is for everyone....
5 months ago
Hey, creating an IoT device shouldn’t be rocket science. We believe technology is for everyone. That’s why we’ve developed the whole new, beginner-friendly Plug and Make Kit – the easiest way to get started with Arduino! Inside the box, you’ll find everything you need to create...
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...
3 weeks 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...
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
Today I created a minimal iPhone stand from oak wood. I used a single piece of wood to get it done.
Abort Retry Fail
Housekeeping for 20240309
Super quick updates
9 months ago
Vitalik Buterin's...
Having a safe CEX: proof of solvency and beyond
over a year ago
Jonas Hietala
Undo git reset --hard
I purposefully and more or less idiotically executed git reset --hard <hash> in hopes of going back...
over a year ago
I purposefully and more or less idiotically executed git reset --hard <hash> in hopes of going back a bit. What I didn’t realize then is that you throw away all the commits between now until <hash>. Not quite what was planned.
After a bit of panic I found the answer:
Find your...
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
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...
Notes on software...
Two books I recommend to developers
Originally published on February 1, 2021. The original version
included two books I don't think...
a year ago
Originally published on February 1, 2021. The original version
included two books I don't think are actually so worthwhile. This
list is down to two. I think that's a good thing actually.
These are the books I recommend to developers wanting to improve their
skills as...
Jonas Hietala
Computer upgrade
After 5 years or so I’ve made a large upgrade to my desktop, and this post contains details and some...
a year ago
After 5 years or so I’ve made a large upgrade to my desktop, and this post contains details and some pictures about the process.
It was time
I didn’t really want to do an upgrade right now, but I felt I had to do it.
Sometimes the lag had gotten very noticeable, for example when...
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
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...
Jonas Hietala
Beebop The Island Hopper
It’s here! The stuff of dreams, an entry for the epic Ludum Dare 17 has been made! For those who...
over a year ago
It’s here! The stuff of dreams, an entry for the epic Ludum Dare 17 has been made! For those who don’t know it’s a 48 hour game making competition which actually is pretty silly. Even more silly is my two hours of commitment yesterday but late this night at about 03:05 I am now,...
Vitalik Buterin's...
The Dawn of Hybrid Layer 2 Protocols
over a year ago
Vitalik Buterin's...
Two thought experiments to evaluate automated stablecoins
over a year ago
Jonas Hietala
Habits to start
I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or...
over a year ago
I haven’t been feeling quite as forward or as energetic lately. There are no set plans, habits or goals for this spring and I don’t have a clear vision of what to do currently but it also feels… fine? Maybe I will cruise in a lower gear for a while and rev up when my mood...
Applied Cartography
Why can't you just...?
Buried in a snarky thread about why Google Calendar doesn’t support calendar syncing is a long,...
7 months ago
Buried in a snarky thread about why Google Calendar doesn’t support calendar syncing is a long, detailed explanation of why shipping this sort of thing is hard:
Designing a consent experience for the enterprise admin and enterprise end user
Creating a special "read only" object...
Home on Erik...
Pareto efficency
Pareto efficiency is a useful concept I like to think about. It often comes up when you compare...
over a year ago
Pareto efficiency is a useful concept I like to think about. It often comes up when you compare items on multiple dimensions. Say you want to buy a new TV. To simplify it let's assume you only care about two factors: price and quality.
Home on Erik...
Never attribute to stupidity that which is adequately explained by opportunity cost
Hanlon's razor is a classic aphorism I'm sure you have heard before: Never attribute to malice that...
over a year ago
Hanlon's razor is a classic aphorism I'm sure you have heard before: Never attribute to malice that which can be adequately explained by stupidity.
I've found that neither malice nor stupidity is the most common reason when you don't understand why something is in a certain way.
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
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.
Matt Mullenweg
Welcoming Harper
As announced by Automattic and covered by TechCrunch, I want to take a moment to welcome Elijah...
a month ago
As announced by Automattic and covered by TechCrunch, I want to take a moment to welcome Elijah Potter and Harper to join Automattic. Harper is a super-fast (way faster than LanguageTool and Grammarly), local English grammar checker. The technology is nascent, but I’m very...
./techtipsy
How to start your self-hosting adventure: a high-level overview
Reddit is a great starting point for getting new ideas for your homelab: racks full of machines
in...
over a year ago
Reddit is a great starting point for getting new ideas for your homelab: racks full of machines
in /r/homelab, storage measured in terabytes (or even petabytes) over
at /r/datahoarder, all the different services that people host over at
/r/selfhosted. This can be a bit...
Louwrentius
Improving web application security by implementing database security
Security is about defense-in-depth. It bogles my mind why it is so difficult to implement...
over a year ago
Security is about defense-in-depth. It bogles my mind why it is so difficult to implement defense-in-depth security in web applications. 99.9% of applications use a single database account, with root-like privileges. Easiest for the developer of course, and the database is just a...
Computer Ads from...
Comics from 1985/12 Australian Personal Computer Mag
Some computer related levity from OZ
2 weeks ago
Some computer related levity from OZ
computers are bad
2024-09-26 the GE switched services network
We currently find ourselves in something of a series, working our way from
private lines to...
2 months ago
We currently find ourselves in something of a series, working our way from
private lines to large
private line systems like the four-wire private-line national warning
system.
Let's continue to build on the concept of the private line into large
corporate systems.
In principle, a...
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
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...
Willem's Blog
One year on the ultimate commuter bike
Answering questions from one of the most popular posts of last year, I am reviewing my commuter bike...
over a year ago
Answering questions from one of the most popular posts of last year, I am reviewing my commuter bike after one year of extensive use through winter and summer.
Matt Mullenweg
Everyone’s An Owner
Last Friday we said goodbye to 159 colleagues as part of our alignment offer. It was a tough day,...
2 months ago
Last Friday we said goodbye to 159 colleagues as part of our alignment offer. It was a tough day, there are a lot of close relationships within Automattic, and goodbyes are always hard. On Monday, I got to be Oprah for a few minutes. We had scheduled a town hall for leaders...
computers are bad
2023-11-19 Centrex
I have always been fascinated by the PABX - the private automatic branch
exchange, often shortened...
a year ago
I have always been fascinated by the PABX - the private automatic branch
exchange, often shortened to "PBX" in today's world where the "automatic" is
implied. (Relatively) modern small and medium business PABXs of the type I like
to collect are largely solid-state devices that...
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
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...
Willem's Blog
Marathon
Read the story of how it feels to complete your first marathon.
2 months ago
Read the story of how it feels to complete your first marathon.
Louwrentius
Getting the Sitecom AC600 Wi-Fi adapter running on Linux
TL;DR Yes it works with some modifications of the driver source.
A USB Wi-Fi adapter I used with a...
over a year ago
TL;DR Yes it works with some modifications of the driver source.
A USB Wi-Fi adapter I used with a Raspberry Pi broke as I dropped it on the floor, so I had to replace it. I just went to a local shop and bought the Sitecom AC600 adapter as that's what they had available (with...
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
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...
computers are bad
2024-05-06 matrix
For those of you who are members of the Matrix project, I wanted to let you
know that I am running...
7 months ago
For those of you who are members of the Matrix project, I wanted to let you
know that I am running for the Governing Board, and a bit about why. For those
of you who are not, I hope you will forgive the intrusion. Maybe you'll find my
opinions on the topic interesting anyway.
I...
Louwrentius
Why VMware vSphere replication is changing the game
If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller...
over a year ago
If you are running a serious VMware environment, chances are you do have a SAN. Often with smaller setups, many people do employ multiple VMware hosts, but the SAN is a single point of failure.
SANs are often fully redundant devices, with redundant PSUs, storage controllers,...
Willem's Blog
Enter text without keys
Worn on your fingers, the Tap Strap recognises tapping and moving to control and type without a...
over a year ago
Worn on your fingers, the Tap Strap recognises tapping and moving to control and type without a mouse or keyboard!
Computer Ads from...
IBM RISC System/6000 Family
Just when PowerSeeker thought they had nowhere to go...
7 months ago
Just when PowerSeeker thought they had nowhere to go...
Matt Blewitt
Sensibly Default
There are two programming principles that I hold dear to my heart: the principle of least surprise...
2 months ago
There are two programming principles that I hold dear to my heart: the principle of least surprise and provide sensible defaults. I’ve recently been working within the GraphQL ecosystem, and the number of violations of both here has frustrated me. This will be a little bit ranty.
Vitalik Buterin's...
Layer 2s as cultural extensions of Ethereum
6 months ago
Buck on Software
Thoughts on SaaS and other things
Welcome to Buck on Software!
over a year ago
Welcome to Buck on Software!
Jonas Hietala
My first netrunner store championship
My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into...
over a year ago
My girlfriend has told me I get these narrow interests where I pour all my energy and thoughts into and about 1,5 months ago I discovered Netrunner, a very awesome card game. Check out this how to play or team covenant’s channel if you want to know more.
So this Sunday I went to...
Arduino Blog
Repurposing an automatic train control unit as a car speedometer
We’re just now getting semi-autonomous self-driving capabilities in cars, which let them adhere to...
3 months ago
We’re just now getting semi-autonomous self-driving capabilities in cars, which let them adhere to posted speed limits and maintain their lanes. But trains have been doing the same thing for a long time — well before machine learning and computer vision became ubiquitous. How did...
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
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.
Home on Erik...
Missing the point about microservices: it's about testing and deploying independently
Ok, so I have to first preface this whole blog post by a few things:
I really struggle with the...
over a year ago
Ok, so I have to first preface this whole blog post by a few things:
I really struggle with the term microservices. I can't put my finger on exactly why. Maybe because the term is hopelessly ill-defined, maybe because it's gotten picked up by the hype train.
Louwrentius
Setup a VPN on your iPhone with OpenVPN and Linux
⚠️ 🚨 Update 2024 🚨⚠️
I'm not using OpenVPN anymore for my VPN needs and this article is considered...
over a year ago
⚠️ 🚨 Update 2024 🚨⚠️
I'm not using OpenVPN anymore for my VPN needs and this article is considered unmaintained.
It's stronly recommended not to use this tutorial and find up-to-date documentation.
I also have no plans to update this blogpost in the future.
[Update 2018]
This...
Willem's Blog
Back to the University
Join me on a special course exploring scientific programming, the perfect moment to learn Python...
a year ago
Join me on a special course exploring scientific programming, the perfect moment to learn Python with recent advancements in machine learning like ChatGPT!
Willem's Blog
Removing paint from a bike frame
Using dichloromethane and sanding paper I removed the paint from my bike frame to create a minimal,...
over a year ago
Using dichloromethane and sanding paper I removed the paint from my bike frame to create a minimal, raw aluminium look.
Willem's Blog
Helping people with free software
This week I helped a man with repairing and reinstalling his computer with Debian GNU/Linux.
over a year ago
This week I helped a man with repairing and reinstalling his computer with Debian GNU/Linux.
Posts on Made of...
wpa_supplicant: GUI and wpa_action
I’ve made two new interesting discoveries about wpa_supplicant since writing my last blog post on...
over a year ago
I’ve made two new interesting discoveries about wpa_supplicant since writing my last blog post on the subject. (Actually, I pretty much made both of them while reading documentation in order to write it, and have been lame about writing them up).
Using wpa_gui It turns out that...
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...
2 months ago
For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store stating that Juno does not adhere to YouTube guidelines and modifies the website in a way they don’t approve of, and alludes to their trademarks and iconography.
I don’t personally...
./techtipsy
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
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...
Old Vintage...
The Hall SC-VGA-2 video processor, the Atari ST and NeXTSTEP: more tales of the unscreenshotable
A periodic fascination on this blog is figuring out better ways to get better screenshots of our...
3 weeks ago
A periodic fascination on this blog is figuring out better ways to get better screenshots of our classic systems, which often hail from the Wild Wild West/East in terms of video standards (read all entries in this series). Naturally the best way is a bitwise direct grab of the...
Jonas Hietala
A Christmas Game
I’m going through a bit of a boardgame stint, as I usually do during christmas time. I had exactly...
over a year ago
I’m going through a bit of a boardgame stint, as I usually do during christmas time. I had exactly one thing on my wishlist for this christmas for my little brother: Ticket to Ride: Nordic Countries. Guess what? I got something from my wishlist!
This was our 5th or 6th game (or...
Birchtree
Gemini 2.0: speed and deep research impress
From The Keyword Google blog: Introducing Gemini 2.0: Our New AI Model for the Agentic Era
Today...
a week ago
From The Keyword Google blog: Introducing Gemini 2.0: Our New AI Model for the Agentic Era
Today we’re excited to launch our next era of models built for this new agentic era: introducing Gemini 2.0, our most capable model yet. With new advances in multimodality —
Arduino Blog
An ultra-affordable DIY underwater ROV
ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by...
7 months ago
ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by the possibilities. But traditional ROVs cost a lot of money and often require serious expertise to operate and maintain. Luckily there are affordable alternatives, such as this...
./techtipsy
The little Wi-Fi AP that could
I have a bad habit of testing things whenever a “good” idea pops into my head. This is a short...
over a year ago
I have a bad habit of testing things whenever a “good” idea pops into my head. This is a short overview of one of them.
The Orange Pi Zero is a SBC (single board computer) that has a slow 32-bit ARM 4 core CPU, 512MB of RAM and no display output.
It’s actually quite OK for many...
Jonas Hietala
Let's build a VORON: Smaller fixes
I’ve been busy.
Busy printing stuff.
Which is awesome, because one big worry I had was if I’d...
10 months ago
I’ve been busy.
Busy printing stuff.
Which is awesome, because one big worry I had was if I’d actually use the printer or just end up modding and tweaking it until the end of time.
But of course, I’ve been slowly working through my large mods-I-want list.
My initial plan was 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
Everyone on the internet is recently very excited about large language models and Monte Carlo tree search. Going back months, the “Q*” leak…
Matt Mullenweg
Automattic Alignment
Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine...
2 months ago
Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine filed a meritless lawsuit and Automattic responded, and there’s been a hurricane of public activity and press. Inside of Automattic, there’s been a parallel debate and process....
Home on Erik...
Snakebite
Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie....
over a year ago
Just promoting Spotify stuff here: check out the Snakebite repo on Github, written by Wouter de Bie. It's a super fast tool to access HDFS over CLI/Python, by accessing the namenode directly over sockets/protobuf.
Spotify's developer blog features a nice blog post outlining what...
computers are bad
2024-09-14 the national warning system
Previously on Deep Space Nine, we discussed the extensive and variable products
that AT&T and...
3 months ago
Previously on Deep Space Nine, we discussed the extensive and variable products
that AT&T and telephone operating companies sold as private
lines. One of the
interesting properties of private line systems is that they can be ordered as
four-wire. Internally, the telephone network...
Arduino Blog
This DIY smart chicken coop features AI-based predator detection
Raising chickens can be a very rewarding endeavor, as they can provide fresh daily eggs and help get...
a month ago
Raising chickens can be a very rewarding endeavor, as they can provide fresh daily eggs and help get rid of pests in the yard. But, like all animals, they require care. Most importantly, you’ll need to ensure that they have regular food and water, and you’ll need to protect them...
Jonas Hietala
Trying and returning the Eight Sleep Pod 4
I recently bought the Eight Sleep Pod 4—a smart mattress cover that tracks your heart rate, HRV,...
2 months ago
I recently bought the Eight Sleep Pod 4—a smart mattress cover that tracks your heart rate, HRV, snoring, and cools or warms the mattress during the night.
There’s a lot to like about the mattress but in the end I opted to return it.
This post describes my experience with the Pod...
Birchtree
The future simply has more computers (members post)
Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers...
5 days ago
Glasses and headsets and computers, oh my! Why the future continues to be all about adding computers to our lives, not replacing anything.
Jonas Hietala
December Theme: New World Order
The The Experimental Gameplay Project drives on with the Art Game theme which will last the rest of...
over a year ago
The The Experimental Gameplay Project drives on with the Art Game theme which will last the rest of this year but that’s something we can’t accept! I’ve done my game and I didn’t force myself out from the Haskell world just to do nuthin so here’s a new little theme for me :)
What...
Posts on Made of...
Performance engineering, profilers, and seeing the invisible
I was recently introduced to the paper “Seeing the Invisible: Perceptual-Cognitive Aspects of...
a year ago
I was recently introduced to the paper “Seeing the Invisible: Perceptual-Cognitive Aspects of Expertise” by Gary Klein and Robert Hoffman. It’s excellent and I recommend you read it when you have a chance.
Klein and Hoffman discuss the ability of experts to “see what is not...
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
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.
computers are bad
2023-06-12 radio on the tv
Like many people in my generation, my memories of youth are heavily defined by
cable television. I...
a year ago
Like many people in my generation, my memories of youth are heavily defined by
cable television. I was fortunate enough to have a premium cable package in
my childhood home, Comcast's early digital service based on Motorola equipment.
It included a perk that fascinated me but...
Notes on software...
Go database driver overhead on insert-heavy workloads
The most popular SQLite and PostgreSQL database drivers in Go are
(roughly) 20-76% slower than...
a year ago
The most popular SQLite and PostgreSQL database drivers in Go are
(roughly) 20-76% slower than alternative Go drivers on insert-heavy
benchmarks of mine. So if you are bulk-inserting data with Go (and
potentially also bulk-retrieving data with Go), you may want to
consider the...
Computer Ads from...
E-Z Tax
The Tax Break You've Been Looking for !
8 months ago
The Tax Break You've Been Looking for !
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
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.
Arduino Blog
Boring rice cooker becomes uruchimai powerhouse
Rice cookers are staple appliances in about half of the world and basic models are very affordable....
5 months ago
Rice cookers are staple appliances in about half of the world and basic models are very affordable. But those are simple machines that are about as “dumb” as electric kettles. The result is often rice that has been sitting in the warming stage for too long, making the bottom...
./techtipsy
ThinkPad as a server: the follow-up
It’s been a while since I last wrote about my ThinkPad T430 that was tasked with being a home...
a year ago
It’s been a while since I last wrote about my ThinkPad T430 that was tasked with being a home server.
After doing some experiments with my setup a couple of times, it is once again the main server for all my self-hosting
needs. However, this time I have made some...
Applied Cartography
Au revoir, Invoke
It's not quite interesting or noteworthy enough to warrant a full-on essay, but yesterday we...
7 months ago
It's not quite interesting or noteworthy enough to warrant a full-on essay, but yesterday we unshipped the last remaining Invoke commands and ported them over to just.
I think Invoke is a good, cool project, and I wish it well. If you're at the precise intersection of "you have...
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
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...
Matt Mullenweg
My Freedom of Speech
WP Engine has filed hundreds pages of legal documents seeking an injunction against me and...
2 months ago
WP Engine has filed hundreds pages of legal documents seeking an injunction against me and Automattic. They say this is about community or some nonsense, but if you look at the core, what they’re trying to do is ask a judge to curtail my First Amendment rights. The First...
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
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.
lcamtuf’s thing
Building a phosphorescence detector
There's very little written about natural phosphorescence. Let's design a device that can spot it in...
3 weeks ago
There's very little written about natural phosphorescence. Let's design a device that can spot it in the wild.
Computer Ads from...
Sundial Systems' Relish
The Premier Workplace Shell Calendar, Phone Book, To Do List, and Program Runner, too
2 months ago
The Premier Workplace Shell Calendar, Phone Book, To Do List, and Program Runner, too
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
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...
Jonas Hietala
Postmortem: Bugger
It’s time for the follow up on my latest game Bugger.
Wow it seems like forever since I begun this...
over a year ago
It’s time for the follow up on my latest game Bugger.
Wow it seems like forever since I begun this monthly game business, but it’s only been two months since I first thought about this and here I am having finished my third game. I’ve really come a long way, in the beginning I...
Simply Explained
How I Use Alfred to Search My Obsidian Notes Faster (with Spotlight!)
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from...
a year ago
In this post, I’ll show you how I integrated Obsidian into Alfred so I can search my vault from anywhere on my Mac. I just open Alfred, type “note” followed by my query, and see my search results. Hit enter and the correct note opens in Obsidian. Easy and quick!
seangoedecke.com RSS...
Why some engineers get trusted with high-impact work
It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go...
20 hours ago
It’s fun and rewarding to work on critical tasks. But there’s only so much important work to go around. Worse still, the chances to work on…
Matt Blewitt
On That Okta LDAP Bug
A quick explanation of the Okta AD/LDAP DelAuth bug that was being shared around, and the importance...
a month ago
A quick explanation of the Okta AD/LDAP DelAuth bug that was being shared around, and the importance of sensible defaults.
Willem's Blog
Whoop strap review: 24/7 wearable sensor
over a year ago
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...
2 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
Willem's Blog
Creating the ultimate commuter bike
Creating the ultimate commuter bike by upgrading the Sensa Cintura belt drive bike.
over a year ago
Creating the ultimate commuter bike by upgrading the Sensa Cintura belt drive bike.
Arduino Blog
Move Mario remotely with this online N64 controller system
For obvious reasons, video game console controls provide input commands directly to the console....
a week ago
For obvious reasons, video game console controls provide input commands directly to the console. Modern consoles may do so wirelessly, but the effect is the same: direct input. But what if you connected a “controller” to the internet? Then you could play from anywhere and that is...
./techtipsy
How to mess up a simple ThinkPad X230 BIOS flash and how to recover from it
Background
I have a Lenovo ThinkPad X230. It’s a small and good laptop that I’ve used as my main...
over a year ago
Background
I have a Lenovo ThinkPad X230. It’s a small and good laptop that I’ve used as my main laptop and a server as well.
A couple of years ago I messed around with flashing alternative BIOS implementations on the X230, such
as the skulls project, which made installing...
Willem's Blog
Supernova E3 Pro 2 dynamo powered headlight
over a year ago
Jonas Hietala
The current Cybershard layout
This is the keyboard layout I’m using for my custom keyboard that I generated, printed, and...
3 weeks ago
This is the keyboard layout I’m using for my custom keyboard that I generated, printed, and hand-wired.
It’s a minimalistic keyboard of 35 keys and features an integrated trackball on the right-hand side.
The keyboard layout started out as a direct copy of the T-34 keyboard...
Louwrentius
Building a RAID 6 array of mixed drives
To be honest, 4 TB of storage isn't really necessary for home usage.
However, I like to collect...
over a year ago
To be honest, 4 TB of storage isn't really necessary for home usage.
However, I like to collect movies in full DVD or HD quality and so I need some
storage.
I decided to build myself a NAS box based on Debian Etch. Samba is used to
allow clients to access the data. The machine...
Jonas Hietala
Poking at Emacs
I’ve been a vim vim fan for a while now and with some recent configs I’m starting to feel pretty...
over a year ago
I’ve been a vim vim fan for a while now and with some recent configs I’m starting to feel pretty confident and happy with it. For those who don’t know it’s basically a text editor, like notepad, but with a lot of keycommands which allows you to edit code (and text in general)...
Lighthouse Blog
Updates December 08: YouTube support
a year ago
axio.ms
Pickle plus mains
Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with...
over a year ago
Back in February 2014, it was a cold (but dry) winter’s night and we decided to warm our hearts with some science.
Our experiment was to observe the conduction of electricity through a pickle, using salt ions. We connected a pickle to the mains supply. Pickles have a strong...
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