Krebs on Security
How AI Assistants are Moving the Security Goalposts
AI-based assistants or “agents” — autonomous programs that have access to the user’s computer,...
8th Mar 2026
AI-based assistants or “agents” — autonomous programs that have access to the user’s computer, files, online services and can automate virtually any task — are growing in popularity with developers and IT workers. But as so many eyebrow-raising headlines over the past few weeks...
Himanshu Mishra |...
BFS vs DFS in friendships
If you already know and remember what Breadth First Search (BFS) and
Depth First Search (DFS) are,...
9th Feb 2020
If you already know and remember what Breadth First Search (BFS) and
Depth First Search (DFS) are, skip to What are you saying? Take my…
somenice
5 Frames with Nikon FM and Fomapan 100
On a few photowalks around Kitsilano in Vancouver BC with my first roll of Fomapan Classic 100. All...
8th Feb 2025
On a few photowalks around Kitsilano in Vancouver BC with my first roll of Fomapan Classic 100. All pictures shot with older, non-AI Nikkor 50mm f/1.4 lens. Developed in Ilford Ilfosol3 for 5 minutes at 20°C and scanned with a cheap film scanner. Color has been removed and some...
Fabien Sanglard
Be A Donor
This is probably the proudest moment of my Computer Science career so far: On April 17th, 2012 the...
22nd Apr 2012
This is probably the proudest moment of my Computer Science career so far: On April 17th, 2012 the Government of Ontario released the Mobile Website I designed and implemented for the major part of 2011. Beadonor.ca allows you reinforce your decision to be an organ donor. I feel...
Willem L. Middelkoop
Escaping the flat tires
You might wonder how puncture proof a "puncture-proof" bicycle tire really is. I set out to find the...
18th Nov 2021
You might wonder how puncture proof a "puncture-proof" bicycle tire really is. I set out to find the answer when I installed Schwalbe Durano Plus tires on my bike. It was inevitable for me to find the answer to the question: How many kilometers can you ride without flats using...
Home on Erik...
Conversion rates – you are (most likely) computing them wrong
How hard can it be to compute conversion rate? Take the total number of users that converted and...
23rd May 2017
How hard can it be to compute conversion rate? Take the total number of users that converted and divide them with the total number of users. Done. Except… it's a lot more complicated when you have any sort of significant time lag.
Posts on Made of...
Reflections on software performance
At this point in my career, I’ve worked on at least three projects where performance was a defining...
3rd Feb 2020
At this point in my career, I’ve worked on at least three projects where performance was a defining characteristic: Livegrep, Taktician, and Sorbet (I discussed sorbet in particular last time, and livegrep in an earlier post). I’ve also done a lot of other performance work on the...
The New Oil
Hooked 2.0: How Scams are Evolving & How to Avoid Them
2nd Mar 2025
Computer Ads from...
Dipco's Easy Reader
"Sight for Sore Eyes"
1st Nov 2024
Louwrentius - Solar
Understanding Windows KMS and MAK volume license activation
Introduction
If you have to administer a large number of PCs running Windows, you will end up...
9th Jun 2012
Introduction
If you have to administer a large number of PCs running Windows, you will end up creating an automated deployment platform for your Windows clients. You may implement something like Windows Deployment Services.
I used WDS to create a fully automated installation of...
Vitalik Buterin's...
Moving beyond coin voting governance
16th Aug 2021
eieio.games
One Million Chessboards
One Million Chessboards
I made a website. It's called One Million Chessboards. It has a million...
28th Apr 2025
One Million Chessboards
I made a website. It's called One Million Chessboards. It has a million chessboards on it. Moving a piece moves it for everyone, instantly. There are no turns.
Read the full post on my blog!
Here's a raw link, if you need it:
...
Jonas Hietala
October theme says: Numbers
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay...
1st Oct 2009
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay Project theme which this month is numbers. What’s it gonna be? A sudoku game or something more… thrilling? I’ll see what I can do :)
Open for Business
My Half-Anniversary with Starlink
It was six months ago today that I first plugged my computer into the Starlink router, connected to...
4 weeks ago
It was six months ago today that I first plugged my computer into the Starlink router, connected to the standard-sized Starlink “dish” (it’s a panel) that was flopped down haphazardly in my back yard.
Never Met a Science
AI as Normal Science
shoutsout to Arvind and Sayash
2nd Sep 2025
shoutsout to Arvind and Sayash
Vitalik Buterin's...
收入-邪恶曲线：思考“公共物品融资优先”的另一种方式
28th Oct 2022
Greater Still by...
Joining a16z
I’m excited to share that I’m joining Andreessen Horowitz as a Partner on the New Media team,...
18th May 2026
I’m excited to share that I’m joining Andreessen Horowitz as a Partner on the New Media team, focusing on the intersection of comms, networks, and investing.
Applied Cartography
Cult Classic
I can't find where I wrote this, but I described Crosley's writing persona (having read her other...
8th Nov 2022
I can't find where I wrote this, but I described Crosley's writing persona (having read her other two books) as that of a friend you run into at a party who fits in perfectly and has the best bon mots and she knows it and needs to make sure you know it, too.
Posts on Made of...
Confessions of a programmer: I hate code review
Most of the projects I've been working on today have fairly strict code review policies. My work...
6th Jun 2010
Most of the projects I've been working on today have fairly strict code review policies. My work requires code review on most of our code, and as we bring on an army of interns for the summer, I've been responsible for reviewing lots of code. Additionally, about five months ago...
Willem L. Middelkoop
Commuting by bike
For a few years now, I commute to work using a bicycle. I have lost more than 15KG since I stopped...
1st Dec 2017
For a few years now, I commute to work using a bicycle. I have lost more than 15KG since I stopped using my scooter. This week I tested a VanMoof Electrified S, an electric bike with an industrial, minimal design. Is it any good? How does it compare to a normal bike? Will an...
Notes on software...
Notes on running Electron
This is an external post of mine. Click
here
if you are not redirected.
13th Oct 2021
This is an external post of mine. Click
here
if you are not redirected.
watchTowr Labs
Buy A Help Desk, Bundle A Remote Access Solution? (SolarWinds Web Help Desk Pre-Auth RCE Chain(s))
It’s been a while, but we’re back - in time for story time.
Gather round, strap in, and prepare for...
25th Feb 2026
It’s been a while, but we’re back - in time for story time.
Gather round, strap in, and prepare for another depressing journey of “all we wanted to do was reproduce an N-day, and here we are with 0-days”.
Today, friends, we’re
Louwrentius - Solar
Setting up a VPN with your iPhone using L2TP, IPSec and Linux
This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server....
11th Dec 2011
This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server.
Updated 16 October 2012 - now compatible with Ubuntu 12.04 LTS
IMPORTANT! (update January 2013)
I find using OpenVPN with the new iOS OpenVPN client a way better solution. OpenVPN...
Applied Cartography
Winners Take All
The book is not groundbreaking, and it owes a lot (in terms of "MarketWorld" and "protocols") to...
5th Jun 2020
The book is not groundbreaking, and it owes a lot (in terms of "MarketWorld" and "protocols") to James Scott, but I liked it more than I thought it would. The distillation of a corporate "win-win" ethos was a pretty damning excoriation of my alma mater's consulting pipeline, and...
axio.ms
MicroMac, a Macintosh for under £5
A microcontroller Macintosh
This all started from a conversation about the RP2040 MCU, and building...
15th Jun 2024
A microcontroller Macintosh
This all started from a conversation about the RP2040 MCU, and building a simple desktop/GUI for it. I’d made a comment along the lines of “or, just run some old OS”, and it got me thinking about the original Macintosh.
The original Macintosh was...
Abort Retry Fail
Matrox
Graphics for Professionals
24th Jul 2026
Graphics for Professionals
Computer Ads from...
NeXTWorld Interviews Bud Tribble (1994)
They discuss NeXT's OpenStep, open standards, and more.
1st Feb 2026
They discuss NeXT's OpenStep, open standards, and more.
Willem's Blog
No, I Won't Build That!
Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I...
4th Mar 2024
Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I Won't Build That!"
On Life and Lisp
Apple GPU drivers now in Asahi Linux
We’re excited to announce our first Apple GPU driver release!
We’ve been working hard over the past...
7th Dec 2022
We’re excited to announce our first Apple GPU driver release!
We’ve been working hard over the past two years to bring this new driver to everyone, and we’re really proud to finally be here. This is still an alpha driver, but it’s already good enough to run a smooth desktop...
Vitalik Buterin's...
La Guía Incompleta de los Rollups
5th Jan 2021
Ian's Blog
Mourning the Loss of Cohost
The staff running Cohost have announced (archived) that at the end of 2024 Cohost will be shutting...
11th Sep 2024
The staff running Cohost have announced (archived) that at the end of 2024 Cohost will be shutting down, with the site going read-only on October 1st 2024. This news was deeply upsetting to receive, as Cohost filled a space left by other social media websites when they stopped...
Evan Hahn (dot com)
Anecdotally, programmers dislike "reduce"
In short: from my experience, people like map and filter, but not reduce.
I use functions like map...
5 days ago
In short: from my experience, people like map and filter, but not reduce.
I use functions like map and filter all the time. When I put that code up for review, my peers rarely complain. I get plenty of feedback about other decisions, but not about my use of map and filter.
I...
Engineers Need Art
Op-Amp Helper PCB
A PCB for breadboards to make working with op-amps easier.
8th Nov 2023
A PCB for breadboards to make working with op-amps easier.
Vitalik Buterin's...
Endnotes on 2020: Crypto and Beyond
28th Dec 2020
Bryan Braun - Blog
Links #14
See below for links to recent things that have made me think. It’s quite the mix of mediums...
30th Mar 2026
See below for links to recent things that have made me think. It’s quite the mix of mediums (animated videos, short posts, letters, and 6-hour podcasts), but it wasn’t until I gathered them that I noticed a recurring theme: sacrifice
Sometimes the world imposes constraints on us,...
Notes on software...
SQLite in Go, with and without cgo
This is an external post of mine. Click
here
if you are not redirected.
12th May 2022
This is an external post of mine. Click
here
if you are not redirected.
Jonas Hietala
2020 in review
And so 2020 has come to an end. On a global scale it’s been quite a horrible year, and for me...
4th Jan 2021
And so 2020 has come to an end. On a global scale it’s been quite a horrible year, and for me personally it’s been both good and bad. Luckily we haven’t been directly affected by COVID too much, but it’s still been very disruptive. Either way as I’ve done for years now it always...
Project Blog on...
RailScan: First Point Clouds from Railroad Museum Scanner
I volunteer at a train, trolley, and subway museum. As a non-authoritative, hobby project combining...
16th Jul 2026
I volunteer at a train, trolley, and subway museum. As a non-authoritative, hobby project combining my love of trains, electronics, mapping, and data, I am building a LiDAR scanner to map and analyze the museum. After designing the initial hardware and software for a GNSS-enabled...
Willem's Blog
Scalable application design without magic
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I...
10th May 2020
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I did this by leveraging the client's computing power having it handle most of the user interaction workload.
Vitalik Buterin's...
[Mirror] Cantor was Wrong: debunking the infinite set hierarchy
1st Apr 2019
Home on Erik...
More Luigi!
Elias Freider just talked about Luigi at PyData 2013:
The presentation above is much better than one...
22nd Mar 2013
Elias Freider just talked about Luigi at PyData 2013:
The presentation above is much better than one I put together a few weeks ago. In case anyone is interested I'll include it too:
Computer Ads from...
Bomb Squad Peripherals' BLOWGUN
It Could Have Been a Lot Worse - His Data is BLOWGUN Protected!
19th Jun 2024
It Could Have Been a Lot Worse - His Data is BLOWGUN Protected!
Evan Hahn (dot com)
Track Zelda release anniversaries in your calendar
The original Legend of Zelda came out 40 years ago today. With other birthdays on the horizon, like...
21st Feb 2026
The original Legend of Zelda came out 40 years ago today. With other birthdays on the horizon, like Twilight Princess’s 20th in November, I wanted a calendar that showed the anniversary of every Zelda game. So I made one.
Subscribe to this URL in your calendar...
Home on Erik...
Bagging as a regularizer
One thing I encountered today was a trick using bagging as a way to go beyond a point estimate and...
6th Dec 2013
One thing I encountered today was a trick using bagging as a way to go beyond a point estimate and get an approximation for the full distribution. This can then be used to penalize predictions with larger uncertainty, which helps reducing false positives.
Gwern.net Newsletter
April 2021 newsletter
with links on AI scaling, particular new East Asian record-breaking work & deep reinforcement...
3rd Jun 2021
with links on AI scaling, particular new East Asian record-breaking work & deep reinforcement learning.
Project Blog on...
Train Simulator Controller: Laser-Cutting a Door Control Panel
As the different pieces of my Train Simulator controller come together, a bite-sized first task of...
1st May 2024
As the different pieces of my Train Simulator controller come together, a bite-sized first task of building the physical dashboard is the door controls placed at each side of the cab. Here, I detail the process of prototyping the door control panel from a Class 80x out of...
tim.sh
$2m laundered: the YouTube crypto tutorials’ huge scam (investigation)
How 1 youtube video turned out to be a part of a million dollar scam scheme
10th Jan 2025
How 1 youtube video turned out to be a part of a million dollar scam scheme
Vitalik Buterin's...
What I would love to see in a wallet
3rd Dec 2024
Tiny struggles
Implementing SARM on your VLA dataset in practice
1. Motivation: use big video dataset optimally for VLA training
In the first part of this series, I...
14th Dec 2025
1. Motivation: use big video dataset optimally for VLA training
In the first part of this series, I explained what is SARM: Stage-Aware Reward Modeling for Long Horizon Robot Manipulation and how it can be used with a challenge such as Stanford Behavior Challenge (1200h of...
On Life and Lisp
Hilariously Fast Volume Computation with the Divergence Theorem
(No, there won’t be jokes.)
The following presents a fast algorithm for volume computation of a...
16th Feb 2018
(No, there won’t be jokes.)
The following presents a fast algorithm for volume computation of a simple, closed, triangulated 3D mesh. This assumption is a consequence of the divergence theorem. Further extensions may generalise to other meshes as well, although that is presently...
Ken Shirriff's blog
The absurdly complicated circuitry for the 386 processor's registers
The groundbreaking Intel 386 processor (1985) was the first 32-bit processor in the x86...
1st May 2025
The groundbreaking Intel 386 processor (1985) was the first 32-bit processor in the x86 architecture.
Like most processors, the 386 contains numerous registers; registers are a key part of a processor because
they provide storage that is much faster than main memory.
The register...
Electronics etc…
A Tektronix TDS 684B Oscilloscope Uses CCD Analog Memory
Introduction
The TDS600 Series
The Acquisition Board
Measuring Along the Signal Path
A Closer Look...
4th May 2025
Introduction
The TDS600 Series
The Acquisition Board
Measuring Along the Signal Path
A Closer Look at the Noise Issue
Conclusion
Introduction
I have a Tektronix TDS 684B oscilloscope that I bought
cheaply at an auction. It has 4 channels, 1 GHz of BW and a sample rate of 5...
Applied Cartography
Everybody Wants Some!!
The single most pleasurable movie of all time is Soderbergh's Ocean's Eleven, and it achieves that...
2 weeks ago
The single most pleasurable movie of all time is Soderbergh's Ocean's Eleven, and it achieves that status in order to try to convey what makes filmmaking uniquely magical: a sense of shared enchantment between the audience and the director, and the ecstasy of the latter pulling a...
videah.net
Attacking My Landlord's Boiler
Attacking My Landlord's Boiler
Posted on April 22, 2025
This post is from a legacy version of...
22nd Apr 2025
Attacking My Landlord's Boiler
Posted on April 22, 2025
This post is from a legacy version of this blog!
No changes have been made to the content in the migration, so things might read weird.
Please do your due diligence and check local laws before attempting anything I do...
Tiny struggles
Robotics Hackathon in Bimanual Manipulation in Munich
How a LinkedIn Post Led Me to a Munich Basement with Millions of Euros Worth of Robotics...
5th Oct 2025
How a LinkedIn Post Led Me to a Munich Basement with Millions of Euros Worth of Robotics Equipment
My LinkedIn feed has become a stream of robotics content over the past few months. As someone diving deep into AI robotics after years in ML/AI/RL, I’ve been deliberately connecting...
Software and Tech...
Disable Auto-Update
How is it possible that a feature I use every day, in an app I rely on daily, entirely offline, just...
1st May 2026
How is it possible that a feature I use every day, in an app I rely on daily, entirely offline, just disappeared from my phone?
I use a fitness app. My metrics, such as steps, workout routines, heart rate, are collected from a wearable device like a smartwatch and sent to the app...
Nabeel S. Qureshi
How To Understand Things
The smartest person I’ve ever known had a habit that, as a teenager, I found striking...
2nd Jul 2020
The smartest person I’ve ever known had a habit that, as a teenager, I found striking...
Ken Shirriff's blog
The Intel 8088 processor's instruction prefetch circuitry: a look inside
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's...
23rd Mar 2024
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history,
leading to the dominance of the x86 architecture that continues to the present.1
One...
Simply Explained
ESP-IDF: Storing AWS IoT certificates in the NVS partition (for OTA)
When using AWS IoT Core, most tutorials will tell you to include device certificates in your...
2nd Nov 2021
When using AWS IoT Core, most tutorials will tell you to include device certificates in your firmware. While that does work, it means you won't be able to run over-the-air updates.In this post, I'll show how to store AWS certificates in the NVS partition. This will make it...
Willem's Blog
Computer says no
The weather app indicating rain caused an empty bike lane this morning, making me wonder about the...
10th Sep 2022
The weather app indicating rain caused an empty bike lane this morning, making me wonder about the power we put into these things.
Jeff Geerling
The first good Raspberry Pi Laptop
Ever since the Raspberry Pi Compute Module 5 was introduced, I wondered why nobody built a decent...
6th Feb 2026
Ever since the Raspberry Pi Compute Module 5 was introduced, I wondered why nobody built a decent laptop chassis around it.
You could swap out a low spec CM5 for a higher spec, and get an instant computer upgrade. Or, assuming a CM6 comes out someday in the same form factor,...
Matt Blewitt
Leadership Power Tools: SQL and Statistics
A common pattern I’ve seen over the years have been folks in engineering leadership positions that...
4th Dec 2024
A common pattern I’ve seen over the years have been folks in engineering leadership positions that are not super comfortable with extracting and interpreting data from stores, be it databases, CSV files in an object store, or even just a spreadsheet. We’re going to cover SQL &...
matduggan.com
Help Me Help You, Maintainers
My plea with OSS maintainers on how they can help me help them.
7th Mar 2025
My plea with OSS maintainers on how they can help me help them.
Neil Madden
Are we any closer to the Quantum Apocalypse?
Another day, another urgent pronouncement on the need to transition to post-quantum cryptography...
2nd Jul 2026
Another day, another urgent pronouncement on the need to transition to post-quantum cryptography ASAP: this one from the White House, in the form of an Executive Order requiring certain “high value” systems to transition to post-quantum cryptography (PQC) by the end of 2030 (for...
Himanshu Mishra |...
You need a Product Mindset
Treat Your Developers Like VIP Customers Your developers are not just users; they're customers who...
23rd Sep 2023
Treat Your Developers Like VIP Customers Your developers are not just users; they're customers who have high expectations from your internal…
Jonas Hietala
Back to Training
Five days of school now and things are starting to settle down a bit. The courses are pretty cool;...
4th Sep 2011
Five days of school now and things are starting to settle down a bit. The courses are pretty cool; we have linear algebra which is pretty interesting, we have a java course where we’re going to make a game (!) and one about structures and algorithms. Pretty promising but we’ll...
Vitalik Buterin's...
Glue and coprocessor architectures
2nd Sep 2024
sibervepunk
learning to swim at 26
I learned how to swim at the age of 26. Or rather, I'm still learning. In my last lesson, I managed...
17th Jul 2026
I learned how to swim at the age of 26. Or rather, I'm still learning. In my last lesson, I managed to swim 50 meters without using any support (and I didn't drown, lol). In the lesson before that, I got dizzy, my leg cramped three times, and I had swallowed half the pool. (you...
Willem's Blog
Improve your sleep by blocking light
I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's...
23rd Jan 2020
I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's quality. Read along for my findings!
Vitalik Buterin's...
Obfuscation (Part II): Diamond iO
28th Jul 2026
Abishek Muthian
AI for generating 2D animations
I wanted to add some frills in Memory Hammer app1 when the user completes review of their...
26th Oct 2025
I wanted to add some frills in Memory Hammer app1 when the user completes review of their flashcards. I decided to add a simple 2D animation where a brain is sulking and after being hit by the hammer (memory hammer's mascot) the brain becomes happy and jubilant.
I made a simple...
Software and Tech...
The TikTok Model is the Future of the Web
I hate to say it, but when I wake up in the morning, the very first thing I do is check my phone....
24th Oct 2025
I hate to say it, but when I wake up in the morning, the very first thing I do is check my phone. First I turn off my alarm, I've made it a habit to wake up before it goes off. Then I scroll through a handful of websites. Yahoo Finance first, because the market is crazy. Hacker...
Applied Cartography
Hamilton
I was not a Hamilton hater exactly (I, like many other snoots, didn’t hate Hamilton so much as I...
28th Oct 2019
I was not a Hamilton hater exactly (I, like many other snoots, didn’t hate Hamilton so much as I hated the people who, for a brief but painful time, were really, really into Hamilton) but I certainly was not a huge fan until Haley roped me into listening to the soundtrack. I...
MIT News - Civil and...
Professor Emeritus Chiang Chung Mei, pioneering scholar of ocean wave dynamics and fluid mechanics,...
A towering figure in theoretical hydrodynamics is remembered for his intellectual rigor, generosity,...
14th Aug 2026
A towering figure in theoretical hydrodynamics is remembered for his intellectual rigor, generosity, and lifelong devotion to his students.
Style over Substance
3D-printable Raleno 104 lightbox adapter for camera film scanning
My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model...
11th Jul 2021
My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model turns it into a lightbox that you can use for digital camera scanning of your negative film. It also contains a holder compatible with the Valoi 35mm/120 film carriers. Additionally,...
Open for Business
Et Tu, Aldi?
It was the day that I stopped forever my weekly visit to Kroger.
The COVID-19 epidemic was underway,...
5th Nov 2025
It was the day that I stopped forever my weekly visit to Kroger.
The COVID-19 epidemic was underway, and we were advised to stay away from each other. It was cold, and the forecast was that an ice storm would hit about sundown (made an hour earlier each year for no good reason by...
Style over Substance
How to use a Phase One H20 digital back on a medium format Hasselblad V camera (500EL/M)
My newest purchase was a bit of a gamble. I bought a $500 Phase One H20 digital back for my...
1st Jan 2021
My newest purchase was a bit of a gamble. I bought a $500 Phase One H20 digital back for my Hasselblad 500EL/M medium format camera. Or, simply put, I bought an expensive old gadget for my even older analog camera, making it a digital camera. A gadget that was released in the...
Willem's Blog
Do amazing things with a focused mind
Read about my experience during the workshop I got as a birth day present involving the Wim Hof...
5th Dec 2018
Read about my experience during the workshop I got as a birth day present involving the Wim Hof Method.
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...
10th Apr 2021
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...
Electronics etc…
Complex Heterodynes Explained
Introduction
Some Common DSP Notations
Sampling with 1 ADC Creates a Real Signal
Heterodyning the...
7th Feb 2026
Introduction
Some Common DSP Notations
Sampling with 1 ADC Creates a Real Signal
Heterodyning the Signal to Baseband the Wrong Way
Complex Heterodyne to the Rescue
Filtering Away the Old Negative Image
Decimation
Final Block Diagram
Conclusion
Afterthought: the Fourier Transform...
Azad's Blog
What I learned while gaming at 480 FPS
It’s clear that with display technologies, we’ve hit a point of diminishing returns with packing...
12th May 2025
It’s clear that with display technologies, we’ve hit a point of diminishing returns with packing pixels more densly. However, there is room for rendering frames faster and faster. Having listened to Digital Foundry’s John Linneman talk so highlighy about playing games in 480hz on...
Good Enough
Album Listening in Album Whale
Back in March we added Album Search in Album Whale. This was a very nice update because it meant you...
4th Aug 2026
Back in March we added Album Search in Album Whale. This was a very nice update because it meant you no longer had to first grab an album share link from a music service (e.g. Spotify, Apple Music, Bandcamp, etc) in order to save an album to a list. You can just head straight to...
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...
8th Jun 2020
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...
Vitalik Buterin's...
A Quick Garbled Circuits Primer
21st Mar 2020
Old Vintage...
Composite and hard reset mods for the Tandyvision One
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my...
8th Dec 2024
I still have my literal first home computer (the Tomy Tutor), and it so happens I also have my literal first game console: the Tandyvision One, Tandy Radio Shack's label variant of the Mattel Intellivision Master Component.
The Mattel Intellivision proper originally hails...
Victor Poughon
Every Perceptually Uniform Color Map as a CSS Gradient
div.gradient {
width: 650px;
height: 60px;
border-radius: 3px;
margin-bottom: 10px;
...
29th Apr 2025
div.gradient {
width: 650px;
height: 60px;
border-radius: 3px;
margin-bottom: 10px;
box-shadow: 5px 5px 5px rgb(0, 0, 0, 0.5);
margin: 0 auto;
}
pre {
max-width: 600px;
}
Colormaps are functions that map from [0, 1] to colors. I love colormaps! Maybe a...
Posts on Made of...
Solving Regex Crosswords with Z3
For a while now, I’ve been fascinated by Z3 and by SMT solving more broadly. While on pat leave...
21st Oct 2025
For a while now, I’ve been fascinated by Z3 and by SMT solving more broadly. While on pat leave recently, I was reminded of the existence of regular-expression crossword puzzles, and allowed myself to get nerdsniped by writing a Z3-backed solver.
I expected to spend perhaps an...
./techtipsy
Why Nextcloud feels slow to use
Nextcloud. I really want to like it, but it’s making it really difficult.
I like what Nextcloud...
3rd Nov 2025
Nextcloud. I really want to like it, but it’s making it really difficult.
I like what Nextcloud offers with its feature set and how easily it replaces a bunch of services under one roof (files,
calendar, contacts, notes, to-do lists, photos etc.), but no matter how hard I try and...
Applied Cartography
Klute
A terrific, terrific film, with a great performance by Jane Fonda (insert quip of "the film should...
2nd Sep 2023
A terrific, terrific film, with a great performance by Jane Fonda (insert quip of "the film should be called Bree!" here.) I think some of the noir aspects felt a little more obvious than in The Conversation, but the pair of performances and the deep sense of sonic dread that...
Willem's Blog
Multi-Window support in your iPad app
Take advantage of the improved support for multiple windows on iPadOS by implementing new UI...
6th Oct 2019
Take advantage of the improved support for multiple windows on iPadOS by implementing new UI concepts enabling different use cases for your app.
Project Blog on...
Train Simulator Controller: Dashboard Prototyping, Part 2
My cardboard prototype of the central portion of a Class 80x dashboard allowed me to iterate to a...
6th Sep 2025
My cardboard prototype of the central portion of a Class 80x dashboard allowed me to iterate to a laser-cut hardboard prototype.
Matt Blewitt
Long Distance Relationships
I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through...
12th Oct 2024
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...
Writing
Winners Take All
The book is not groundbreaking, and it owes a lot (in terms of "MarketWorld" and "protocols") to...
5th Jun 2020
The book is not groundbreaking, and it owes a lot (in terms of "MarketWorld" and "protocols") to James Scott, but I liked it more than I thought it would. The distillation of a corporate "win-win" ethos was a pretty damning excoriation of my alma mater's consulting pipeline, and...
Butler's Log
Building Virtual Branches
GitButler has come up with an entirely new way to work on multiple branches: simultaneously. What...
6th Jul 2023
GitButler has come up with an entirely new way to work on multiple branches: simultaneously. What are virtual branches?
Arduino Blog
This Arduino failsafe protects an amazing backyard observatory
Nothing quite compares to the feeling of looking up at the cosmos on a dark night, and even an...
3rd Jun 2025
Nothing quite compares to the feeling of looking up at the cosmos on a dark night, and even an affordable telescope can enhance that experience. But if you’re willing to spend the time and money, you can take things much further. That’s what Redditor CosmicRuin did when they...
Matt Blewitt
Thoughts on User Safety
We need to move beyond mere security and towards safety for our customers and our users. This is how...
18th Sep 2019
We need to move beyond mere security and towards safety for our customers and our users. This is how we can do that.
videah.net
Web Push Pitfall
Web Push Pitfall
Posted on March 30, 2023
This post is from a legacy version of this blog!
No...
30th Mar 2023
Web Push Pitfall
Posted on March 30, 2023
This post is from a legacy version of this blog!
No changes have been made to the content in the migration, so things might read weird.
Whilst implementing Web Push notifications for my toy Q&A service curiouswolf I ran into an issue...
The New Oil
Major Update: Private AI Recs
2nd Aug 2025
Jeff Geerling
Testing the Mono Gateway, a custom-built 10 Gbps Router
Testing the Mono Gateway, a custom-built 10 Gbps Router
Last month, the stars aligned...
2nd Jan 2026
Testing the Mono Gateway, a custom-built 10 Gbps Router
Last month, the stars aligned for me to bring the Mono Gateway (a 10 Gbps router that YouTuber Tomaž Zaman and his team at Mono built from scratch) on a trip to Phoenix, and test it with one of the most OP...
Arduino Blog
Repurpose gadgets as Arduino-ready modules
Most people have a general awareness of how economies of scale play into the cost of products; a...
5th Sep 2025
Most people have a general awareness of how economies of scale play into the cost of products; a bespoke, handcrafted vase is going to cost a lot more than a mass-produced vase sold in the millions. But the ramifications of that concept can be really counterintuitive when it...
Abishek Muthian
The common theme is focus
Meditation, Mindfulness, Flow etc. The common theme seems to be 'Focus'.
Focus is a key component...
4th Aug 2022
Meditation, Mindfulness, Flow etc. The common theme seems to be 'Focus'.
Focus is a key component for mental health, Yet it has been made very expensive thanks to constant assault on our senses by the corporations who would then sell their 'Mindfulness' app back to us.
Chat apps...
Writing
Chinatown
Well, that was probably the most depressing final sequence I can remember in a film (especially one...
4th Aug 2022
Well, that was probably the most depressing final sequence I can remember in a film (especially one so devoted to realism, or at least its brand of plausibility.)
Home on Erik...
In defense of false positives (why you can't fail with A/B tests)
Many years ago, I used to think that A/B tests were foolproof and all you need to do is compare the...
30th Jul 2014
Many years ago, I used to think that A/B tests were foolproof and all you need to do is compare the metrics for the two groups. The group with the highest conversion rate wins, right?
./techtipsy
Fairphone 5: my heavily biased overview after 58 days of use (and counting)
After months of contemplating I finally pulled the trigger and got myself
a Fairphone 5. The...
6th Mar 2024
After months of contemplating I finally pulled the trigger and got myself
a Fairphone 5. The fact
that iPhone X stopped receiving major iOS updates certainly helped make that decision.
“But why? My Xiaomi/Oneplus/Samsung/other glued-together device is like so much cheaper and...
Home on Erik...
Optimizing over multinomial distributions
Sometimes you have to maximize some function $$ f(w_1, w_2, ldots, w_n) $$ where $$ w_1 + w_2 +...
24th Jul 2013
Sometimes you have to maximize some function $$ f(w_1, w_2, ldots, w_n) $$ where $$ w_1 + w_2 + ldots + w_n = 1 $$ and $$ 0 le w_i le 1 $$ . Usually, $$ f $$ is concave and differentiable, so there's one unique global maximum and you can solve it by applying gradient ascent.
Applied Cartography
Long Story Short
Long Story Short, feels like in many ways a synthesis of everything Raphael and Lisa have been...
3rd Oct 2025
Long Story Short, feels like in many ways a synthesis of everything Raphael and Lisa have been trying to do and say, packaged in a slightly more mature and restrained way than the excesses of Bojack Horseman and their respective written fiction (everyone should read Someone Who...
Ken Shirriff's blog
Reverse engineering the barrel shifter circuit on the Intel 386 processor die
The Intel 386 processor (1985) was a large step from the 286 processor, moving x86 to a 32-bit...
6th Dec 2023
The Intel 386 processor (1985) was a large step from the 286 processor, moving x86 to a 32-bit architecture.
The 386 also dramatically improved the performance of shift and rotate operations by adding a
"barrel shifter", a circuit that can shift by multiple bits in one step.
The...
Ken Shirriff's blog
Reverse engineering the mysterious Up-Data Link Test Set from Apollo
Back in 2021, a collector friend of ours was visiting a dusty warehouse in search of Apollo-era...
21st Jul 2025
Back in 2021, a collector friend of ours was visiting a dusty warehouse in search of Apollo-era communications equipment.
A box with NASA-style lights caught his eye—the "AGC Confirm" light suggested a connection
with the Apollo Guidance Computer.
Disappointingly, the box was...
Vitalik Buterin's...
Engineering Security Through Coordination Problems
8th May 2017
Louwrentius - Solar
I switched my blog from Blogofile to Pelican
This blog is a static website, which makes it fast, simple and secure. It was generated by Blogofile...
6th Aug 2013
This blog is a static website, which makes it fast, simple and secure. It was generated by Blogofile but I switched to Pelican.
Blogofile has seen almost no updates over the years and I consider the project dead. Realising that blogofile is dead, I decided to look around for...
Applied Cartography
Looper
In retrospect, almost a proto-Blade Runner 2049. I thought the acting and general plot was kinda...
3rd Aug 2020
In retrospect, almost a proto-Blade Runner 2049. I thought the acting and general plot was kinda milquetoast but the underlying setting was a hair above neat, and the depiction of an unevenly distributed future is probably one of the best realizations of science fiction I’ve ever...
Krebs on Security
Self-Replicating Worm Hits 180+ Software Packages
At least 187 code packages made available through the JavaScript repository NPM have been infected...
16th Sep 2025
At least 187 code packages made available through the JavaScript repository NPM have been infected with a self-replicating worm that steals credentials from developers and publishes those secrets on GitHub, experts warn. The malware, which briefly infected multiple code packages...
Willem's Blog
Wearing Grand Seiko
I am glad I took the opportunity to wear a Grand Seiko, learning first hand about its craftsmanship,...
4th Jun 2021
I am glad I took the opportunity to wear a Grand Seiko, learning first hand about its craftsmanship, innovation and practicality.
Azad's Blog
RealityCapture to Gaussian Splatting using PostShot
TLDR: Tutorial on using RealityCapture to align an image dataset, export the alignment, and import...
21st Jul 2024
TLDR: Tutorial on using RealityCapture to align an image dataset, export the alignment, and import it into PostShot to train Gaussian Splats without using COLMAP. Video tutorial RealityCapture Import your images and align them. If you ever need help with tricky dataset, refer to...
Jonas Hietala
Finishing Stuff
I haven’t done much blogging or game programming in a while but instead I’ve finished some school...
7th Dec 2011
I haven’t done much blogging or game programming in a while but instead I’ve finished some school stuff. We completed the assembly course labs, which were pretty fun actually, and I managed to finally complete the electronics course I’ve been holding off on for like forever… But...
Writing
FEVER DREAM
Wow they got generic quick!
10th Apr 2021
Wow they got generic quick!
Construction Physics
How China Is Like the 19th Century U.S.
I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly...
1st Nov 2024
I spend a lot of time reading about manufacturing and its evolution, which means I end up repeatedly reading about the times and places where radical changes in manufacturing were taking place: Britain in the late 18th century, the US in the late 19th and early 20th centuries,...
anderegg.ca
Algorithms are breaking how we think
Today, Alec Watson posted a video titled “Algorithms are breaking how we think” on his YouTube...
23rd Feb 2025
Today, Alec Watson posted a video titled “Algorithms are breaking how we think” on his YouTube channel, Technology Connections. The whole thing is excellent and very well argued. The main thrust is: people seem increasingly less mindful about the stuff they engage with. Watson...
Willem L. Middelkoop
Inspiration from a child
Together with my kids I love to explore the world that we think we know as adults. A kid's...
29th Sep 2021
Together with my kids I love to explore the world that we think we know as adults. A kid's perspective inspires and surprises! No need to travel half the world for an adventure: Fly planes, catch bad guys, solve problems, build and break stuff - (re)discover the adventure right...
Yazin Alirhayim
The Meem app: it sucks
I've been using Meem, the first digital-only bank in the Middle East, for about a year now. I...
1st Dec 2019
I've been using Meem, the first digital-only bank in the Middle East, for about a year now. I absolutely hate their app.
Blog | Sam Curry
Exploiting Directory Traversal to View Customer Credit Card Information on Yahoo's Small...
10th Nov 2017
Jonas Hietala
Going to University
I mentioned in the last post that I’m going to the university, which might explain my lack of...
6th Oct 2010
I mentioned in the last post that I’m going to the university, which might explain my lack of activity here and for that I’m sorry. It’s not as hard as I had imagined, and I don’t have that much in school but there’s still a lot that’s going on. For example now how to make...
Willem's Blog
The day I killed my LAN
I killed my office LAN and went 4G only. Saves a lot of clutter, energy and money.
30th Jul 2017
I killed my office LAN and went 4G only. Saves a lot of clutter, energy and money.
Writing
The Rehearsal
As many people have mentioned, this show owes a lot to Synecdoche; New York (a film that I have very...
3rd Sep 2022
As many people have mentioned, this show owes a lot to Synecdoche; New York (a film that I have very strong memories of and for despite having only seen once, in a haze, ten years ago.) It's also a show in the discourse, which I think belies a little just how deeply weird it...
Yazin Alirhayim
Finding An Idea
The first step is finding an idea, one of the most intimidating parts of this whole process. In this...
25th Jun 2017
The first step is finding an idea, one of the most intimidating parts of this whole process. In this post, I describe how I go about tackling this
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...
12th Feb 2013
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...
Himanshu Mishra |...
It is okay not to be special
Hi :name-retracted:! I hope I don’t bore you with this letter. I feel like talking to you about...
17th Jul 2018
Hi :name-retracted:! I hope I don’t bore you with this letter. I feel like talking to you about life. (Which I always want to do. All the…
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...
21st Aug 2021
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...
computers are bad
from hookswitch to grave
Through decades of consolidation, reorganization, and divestiture, AT&T left
a famously complicated...
14th Jun 2026
Through decades of consolidation, reorganization, and divestiture, AT&T left
a famously complicated corporate history. One of the greatest enterprises in
American history, arguably the greatest enterprise, AT&T has often
rivaled the federal government in the size of its budget...
Willem L. Middelkoop
Creating a minimal road bike
Over the past months I have worked on different bikes, leading to an accumulation of spare parts in...
17th Aug 2019
Over the past months I have worked on different bikes, leading to an accumulation of spare parts in my garage. I wondered how hard it would be to make a new bike using these spare parts. I decided to take advantage of this moment to refinish some parts, removing excessive decals...
Opsbros
Saibah Securitah
It's always okay to buy the domain for the meme!
17th Sep 2021
It's always okay to buy the domain for the meme!
Vitalik Buterin's...
The Dawn of Hybrid Layer 2 Protocols
28th Aug 2019
Butler's Log
Butler Flow: shipping code faster (but less like Alfred, more like CI on steroids) - Part 3
In Part 3, we take a look at some deep examples of where Butler Flow comes in handy.
4th Nov 2025
In Part 3, we take a look at some deep examples of where Butler Flow comes in handy.
eieio.games
yt-browse: a powerful youtube search TUI
yt-browse: a powerful youtube search TUI
I made a TUI for searching a specific youtube channel. I...
4th Mar 2026
yt-browse: a powerful youtube search TUI
I made a TUI for searching a specific youtube channel. I think it's much nicer than the experience of searching a channel on youtube's website.
Read the full post on my blog!
Here's a raw link, if you need it:
...
Willem L. Middelkoop
Lessons from a takeaway plastic bag
About five months ago I got some take away food from our local Asian restaurant. They packaged the...
7th Jan 2018
About five months ago I got some take away food from our local Asian restaurant. They packaged the food and gave me a plastic bag to carry it home. On my way home I was thinking about the bag. Although it has some nice styling printed on it, it's designed for single use only....
Odds and Ends of...
Hitting pause for a month!
A brief programming note.
1st Jan 2026
A brief programming note.
Computer Ads from...
Discwasher SpikeMaster
Meet the Mighty SpikeMaster, Protector of Computers.
1st Feb 2025
Meet the Mighty SpikeMaster, Protector of Computers.
./techtipsy
Oversimplified guide into snapshots on the btrfs filesystem
Friday afternoon. You’re trying out a script that you wrote to mass-rename and
move some files...
5th Apr 2022
Friday afternoon. You’re trying out a script that you wrote to mass-rename and
move some files around. You finish the script and test it out.
Oops.
All the files now have all the wrong names, and some have been randomly moved
10 folders deep. It’s a mess.
And you didn’t make a...
Vitalik Buterin's...
Review: museums of the future, Dubai and Tokyo
3rd Aug 2024
Posts on Made of...
Transformers for software engineers
Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model...
1st Apr 2022
Ever since its introduction in the 2017 paper, Attention is All You Need, the Transformer model architecture has taken the deep-learning world by storm. Initially introduced for machine translation, it has become the tool of choice for a wide range of domains, including text,...
Jonas Hietala
Netrunner Lindhska Store Championship Örebro
After the awesomeness during the previous store championship, I decided to go to the store...
2nd Apr 2015
After the awesomeness during the previous store championship, I decided to go to the store championship at Lindhska Bokhandel in Örebro.
I brought a modified version of the same corp I used the last time, a Blue Sun kill deck and a new runner with Leela Patel. See the links for...
Willem's Blog
Outside the comfort zone: amateur acting
This month I strapped myself with sensors during a little experiment outside my comfort zone: I...
17th Apr 2018
This month I strapped myself with sensors during a little experiment outside my comfort zone: I debuted as amateur actor!
Bryan Braun - Blog
Technology you don’t have to think about
“Civilization advances by extending the number of important operations which we can perform without...
28th Mar 2025
“Civilization advances by extending the number of important operations which we can perform without thinking about them.”
– Alfred North Whitehead
Effective technology takes our most time-consuming tasks and moves them into the background so we can focus on other important...
Louwrentius - Solar
Using InfiniBand for cheap and fast point-to-point Networking
InfiniBand networking is quite awesome. It's mainly used for two reasons:
low latency
high...
25th Mar 2017
InfiniBand networking is quite awesome. It's mainly used for two reasons:
low latency
high bandwidth
As a home user, I'm mainly interested in setting up a high bandwidth link between two servers.
I was using quad-port network cards with Linux Bonding, but this solution has some...
Matt Mullenweg
Happy New Year
I rang in the new year with an unexpected trip to St. Barts that ended up with friends. I made a...
2nd Jan 2026
I rang in the new year with an unexpected trip to St. Barts that ended up with friends. I made a resolution in 2025 to watch more films. It’s an art form I have many friends in and when we have hung out I realized how shallow my understanding of the canon of film was. … Continue...
Tiny struggles
Creating a Robotics Experimentation Environment: My Experience and Practical Lessons
Part 1 of a series on practical robotics experimentation
As part of my journey into robotics, I...
13th Aug 2025
Part 1 of a series on practical robotics experimentation
As part of my journey into robotics, I found myself facing a classic problem: I wanted to experiment with different learning approaches for robotic manipulation, but I needed a flexible playground where I could quickly test...
watchTowr Labs
Should Security Solutions Be Secure? Maybe We're All Wrong - Fortinet FortiSIEM Pre-Auth Command...
It’s Friday, but we’re here today with unscheduled content - pushing our previously scheduled...
15th Aug 2025
It’s Friday, but we’re here today with unscheduled content - pushing our previously scheduled shenanigans to next week.
Fortinet is no stranger to the watchTowr Labs research team. Today we’re looking at CVE-2025-25256 - a pre-authentication command injection in FortiSIEM that...
Willem's Blog
Developing a native iOS app
How hard can it be to build your own cycling and running workout tracker app using native code with...
10th May 2024
How hard can it be to build your own cycling and running workout tracker app using native code with some help from AI? Read along to find out!
Writing
Final Fantasy
The game certainly shows its age, I can tell you that much. (I played Dawn of Souls, which was the...
28th Dec 2007
The game certainly shows its age, I can tell you that much. (I played Dawn of Souls, which was the slightly easier remake, and even then it was a bit of a slog.) It’s short, though, and it’s I think worth playing for its place in the canon.
Willem's Blog
Search like a pro: Google search operators
Read along for a comprehensive list of advanced Google search operators that allow you to filter...
24th Apr 2019
Read along for a comprehensive list of advanced Google search operators that allow you to filter your search results.
Abort Retry Fail
The Story of Creative Technology
The Sound Blaster
10th Aug 2025
Home on Erik...
Iterate or die
Here's a conclusion I've made building consumer products for many years: the speed at which a...
2nd Mar 2016
Here's a conclusion I've made building consumer products for many years: the speed at which a company innovates is limited by its iteration speed.
I don't even mean throughput here. I just mean the cycle time.
watchTowr Labs
Where There’s Smoke, There’s Fire - Mitel MiCollab CVE-2024-35286, CVE-2024-41713 And An 0day
It is not just APTs that like to target telephone systems, but ourselves at watchTowr too.
We can't...
5th Dec 2024
It is not just APTs that like to target telephone systems, but ourselves at watchTowr too.
We can't overstate the consequences of an attacker crossing the boundary from the 'computer system' to the 'telephone system'. We've seen attackers realise this in 2024,
Butler's Log
GitButler is joining the Open Source Pledge
GitButler is joining the Open Source Pledge to help move towards a more sustainable open source...
2nd Sep 2024
GitButler is joining the Open Source Pledge to help move towards a more sustainable open source ecosystem.
Engineers Need Art
Virtual Pinhead
Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual...
2nd Apr 2024
Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual pinball cabinet.
Abishek Muthian
My Hacker News knowledge assimilation stack
Long time Hacker News readers would agree that the real gold is in the comments, There are very few...
14th Nov 2021
Long time Hacker News readers would agree that the real gold is in the comments, There are very few platforms left where people with subject matter experience and authority share valuable insights with less noise.
HN provides a way to save those comments, but I also wanted a way...
Willem L. Middelkoop
Closing a Draughty Door
In the last week of January I could not keep my mind on a task. It felt as if I was running behind,...
3rd Feb 2026
In the last week of January I could not keep my mind on a task. It felt as if I was running behind, non-stop. I have no experience with this, but if I had to speculate I would say I was near a burnout-like experience. This post is not advice. It is a report of a small thing I did...
Daniel De Laney
Objectivity is superstition
An objective, external world is a non-falsifiable assumption.
The prevailing theory is that our...
17th Mar 2025
An objective, external world is a non-falsifiable assumption.
The prevailing theory is that our subjective experiences correspond to an external reality. However, they may simply be subjective through and through.
That which we claim to be evidence of external reality is actually...
noahbuscher.com
Radio Install in a Porsche Boxster
The 987.2 Porsche Boxster is one of the best values in the used sports car market today. There is so...
28th Jun 2023
The 987.2 Porsche Boxster is one of the best values in the used sports car market today. There is so much to love about the vehicle, but the OEM headunit is not one of them. It's very dated, clunky, and doesn't support CarPlay (!), so one of the first things I did after picking...
Louwrentius - Solar
71 TiB DIY NAS based on ZFS on Linux
This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB...
2nd Aug 2014
This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB NAS (17 TiB). With a storage capacity four times higher than the original and an incredible read (2.5 GB/s)/write (1.9 GB/s) performance, it's a worthy successor.
Purpose
The...
Computer Ads from...
Comics from 1984/04 Creative Computing Mag
Sorry for the delay. - JP
22nd Jan 2025
Sorry for the delay. - JP
Scott Kennedy
Principal Engineers and their million dollar microbiomes
29th Jul 2023
Tiny struggles
Two worlds: idea people and developers
I recently attended a startup weekend and was surprised by the backgrounds of the other...
29th Apr 2023
I recently attended a startup weekend and was surprised by the backgrounds of the other attendees.
As a software engineer myself, I expected to see mostly engineers, but that wasn’t the case. Instead, I found myself surrounded by people with a diverse range of backgrounds and...
Eric Migicovsky's...
Pebble Round 2 - The Most Stylish Pebble Ever
We’ve finally gotten around to it The entire Pebble relaunch would not be complete without...
2nd Jan 2026
We’ve finally gotten around to it The entire Pebble relaunch would not be complete without revisiting one of our most iconic watches from…
Simone Salis
The Antiportfolio: Counter-advice for Aspiring Artists
Why ten years ago I quit my passion as a job to follow my passions as just passions.
1st Mar 2025
Why ten years ago I quit my passion as a job to follow my passions as just passions.
Willem L. Middelkoop
Creating a minimal iPhone stand
Today I created a minimal iPhone stand from oak wood. While it's much faster to buy one online, I...
1st Jun 2018
Today I created a minimal iPhone stand from oak wood. While it's much faster to buy one online, I wanted one to fit my phone horizontally, with its case on. I like minimal design, so I opted to machine a single piece of wood to get it done.
Workmate with wood router ready for...
Eric Migicovsky's...
Kickstarter 1 Campaign Updates
20th Jun 2012
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...
15th Apr 2019
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.
Simply Explained
Building Air Quality Sensor: Luftdaten + Home Assistant
Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the...
3rd Sep 2020
Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the world. Best of all: it's open-source and anyone can build a sensor.I was very curious to see the air quality in my neighborhood, so I decided to build myself a sensor. And of course,...
Willem's Blog
Rescuing photos from a crashed iMac
This week I attempted to recover two decades of personal photo history from a crashed iMac.
14th Oct 2020
This week I attempted to recover two decades of personal photo history from a crashed iMac.
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.
1st Jun 2018
Today I created a minimal iPhone stand from oak wood. I used a single piece of wood to get it done.
benn.substack
Ambition, fun and not
Cheat on enterprise sales objection handling.
4th Jul 2025
Cheat on enterprise sales objection handling.
Avestura's Blog
Versioning microservices in GitLab monorepos and polyrepos
What are some possible options to version projects for a microservices project in Gitlab?
2nd Jan 2022
What are some possible options to version projects for a microservices project in Gitlab?
Good Enough
TIL: Tiptap Excerpt Extension with Rails
While building Pika’s Stream of posts layout, we had need to add the capability to manage excerpts...
16th Jan 2025
While building Pika’s Stream of posts layout, we had need to add the capability to manage excerpts in the Pika editor. These excerpts would be used to show a small portion of your post in a post stream while offering a “continue reading” link for readers to click to read the rest...
Home on Erik...
Wikiphilia
I've been obsessed with Wikipedia for the past ten years. Occasionally I find some good articles...
2nd Jun 2013
I've been obsessed with Wikipedia for the past ten years. Occasionally I find some good articles worth sharing and that's why I created the wikiphilia Twitter handle. Just a long stream of stuff that for one reason or another may be interesting.
GitButler
Stacked Branches with GitButler
GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
4th Dec 2024
GitButler can now manage dependent branches that are stacked, including managing stacked GitHub PRs.
Matt Blewitt
Riding the Risk Railway
When building and operating a user-facing system, especially one that is open to the public, it is...
9th Mar 2020
When building and operating a user-facing system, especially one that is open to the public, it is important to consider the riskiness of a user, which can also be characterised as trustworthiness. These will typically be negatively correlated, with low trust indicating high risk...
Fabien Sanglard
Game Engine Black Books
I am almost done with the first volume of what I hope will become a serie called "Game Engine Black...
7th Aug 2014
I am almost done with the first volume of what I hope will become a serie called "Game Engine Black Book". Each book would take further what I tried to do with my articles: Explain simply, yet in great details, a legendary game engine. For the first one I decided to go with...
latest projects -...
LED Matrix Earrings
[Hardware] Itsy bitsy teeny weeny yellow dot-matrix LED
20th Feb 2024
[Hardware] Itsy bitsy teeny weeny yellow dot-matrix LED
Project Blog on...
Train Simulator Controller: Stepper Speedometer Begins
For quite a few years now, I have been an avid Train Simulator player, operating virtual trains from...
27th Jan 2023
For quite a few years now, I have been an avid Train Simulator player, operating virtual trains from the United States, the UK, and beyond. I’ve played Dovetail Games’ Train Simulator 2015 to 2022 and now “Train Simulator Classic”, FIFA-style annual upgrades that have...
Open for Business
A Year With the Mini M
Just over a year ago I got my Unicomp Model M Mini, a newly manufactured version of what is in my...
1st Jan 2026
Just over a year ago I got my Unicomp Model M Mini, a newly manufactured version of what is in my estimation the best computer keyboard ever, the IBM Model M SSK. The Minis and the SSKs are like a regular IBM Model M, but they don’t have a number pad at the right, so I can put...
watchTowr Labs
8 Million Requests Later, We Made The SolarWinds Supply Chain Attack Look Amateur
Surprise surprise, we've done it again. We've demonstrated an ability to compromise significantly...
4th Feb 2025
Surprise surprise, we've done it again. We've demonstrated an ability to compromise significantly sensitive networks, including governments, militaries, space agencies, cyber security companies, supply chains, software development systems and environments, and more.
“Ugh, won’t...
Louwrentius - Solar
Fio-plot: creating nice charts from FIO storage benchmark data
New release of fio-plot
I've rewritten fio-plot, a tool that turns FIO benchmark data into nice...
27th Nov 2019
New release of fio-plot
I've rewritten fio-plot, a tool that turns FIO benchmark data into nice charts. It allows you to create four types of graphs which will be discussed below.
The github project page explains how to run this tool.
Fio-plot also includes a benchmark script...
Jorge Arango
Humanities Crash Course Week 9: The Bible
For week 9 of the humanities crash course, I revisited the most important text in Western culture:...
2nd Mar 2025
For week 9 of the humanities crash course, I revisited the most important text in Western culture: the Bible. Of course, I didn’t read the whole book – only a small subset. Still, it was a lot. As I’ve done in previous weeks, I followed Gioia’s suggestions for the...
Scott Kennedy
Google interviews vs the LSAT, and why AI will save us from both
14th Jun 2023
Louwrentius - Solar
Belkin Gigabit USB 2.0 adapter works perfectly with Linux
My ISP upgraded my internet connection speed to a whopping 120 Mbit. I am
using a mac mini as my...
8th Dec 2010
My ISP upgraded my internet connection speed to a whopping 120 Mbit. I am
using a mac mini as my internet router. As you may be aware, the mini has
only one network interface, so I added a second interface using a USB to
ethernet adapter. This adapter was limited to 100 Mbit, so...
Neil Madden
Java’s SSLContext protocol name is a footgun
This should be old news, but I keep seeing the same mistake crop up, so I thought I’d blog about it...
23rd Jun 2026
This should be old news, but I keep seeing the same mistake crop up, so I thought I’d blog about it and spread awareness. In Java, if you want to configure TLS you generally start with an SSLContext. And you get an instance of this class by calling the static method...
Willem's Blog
Being a volunteer in Amsterdam-Zuidoost
About my work as volunteer in the local community center in Amsterdam Zuidoost
20th Nov 2016
About my work as volunteer in the local community center in Amsterdam Zuidoost
Blog | Sam Curry
How I could've taken over the production server of a Yahoo acquisition through command...
4th Jun 2017
tim.sh
Deploying apps in Coolify, part 1
1st Oct 2025
Willem's Blog
Designing a multi dimensional capacity queue
Dealing with a capacity queue is challenging, but if you take the time to model it right it is...
1st Dec 2020
Dealing with a capacity queue is challenging, but if you take the time to model it right it is possible to create a performant and reliable system.
Notes on software...
Finishing up a FreeBSD experiment
I've been using FreeBSD as my daily driver at work since
December. I've successfully done my job and...
28th Apr 2018
I've been using FreeBSD as my daily driver at work since
December. I've successfully done my job and I've learned a hell of a
lot forcing myself on CURRENT... But there's been a number of issues
with it that have made it difficult to keep using, so I replaced it
with Arch Linux...
Electronics etc…
A Galois Field Arithmetic Primer
Introduction
A Galois Field Introduction by Example
Base Galois Fields
A Real World Example of a...
14th Jun 2026
Introduction
A Galois Field Introduction by Example
Base Galois Fields
A Real World Example of a Base Galois Field
GF(2)
Extended Galois Fields
Extended Galois Field Addition
Extended Galois Field Multiplication
A Field Defining Irreducible Polynomial
A Primitive Polynomial
From...
Vitalik Buterin's...
Gitcoin Grants Round 5 Retrospective
30th Apr 2020
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