3421
Postcard is now open source
Self-host a personal website + newsletter
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,109 posts.
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3423
Intro to BirdNET-Pi: Eavesdropping on my feathered friends
Stick microphone out window, catch chorps, feel joy.
3424
Hacking Diffusion into Qwen3 for the Arc Challenge
A deep dive into ongoing efforts adapting language models for diffusion-based ARC solving.
3425
Vanilla CSS is all you need
Campfire, Writebook, and Fizzy show that modern vanilla CSS can power serious apps without Sass, PostCSS, or a build step.
3426
You need much less memory than time
Just as I was complaining that we haven't seen many surprising breakthroughs in complexity recently, we get an earthquake of a result to st...
3427
Geometrically understanding calculus of inverse functions (2023)
The Legendre transformation tells you how the inverse map acts on integrals
3428
The WinRAR approach
The WinRAR Approach: a small change in how I distribute content to keep the content free, sustainable, & ad-free.
3429
“The Mind in the Wheel” lays out a new foundation for the science of mind
OR: the ideas your mother warned you about
3430
When random people give money to random other people (2017)
A post on Decision Science about a problem of Uri Wilensky’s has been making the rounds: Imagine a room full of 100 people with 100 dollars each. With every tick of the clock, every person wi…
3431
The Dead Planet Theory
No one does anything, the bar is lower than you think
3432
Bull markets make you feel smarter than you are
Bull markets make you feel smarter than you are. Bear markets make you feel dumber than you are.
3433
When Soviet-made cars roamed Singapore roads
From the seventies to nineties, cars that roamed Singapore roads were largely imported from countries such as Australia (Holden), Czechoslovakia (Skoda), France (Citroen, Peugeot, Renault), Germany…
3434
Rediscovering Quaternions
How do we represent a rotation in 3 dimensions? This is a surprisingly deep question, and one we can learn a lot from. Our goal will be to “rediscover” quaternions from first principles, building them up by exploring different representations and fixing the failures along the way.
3435
The Claude Code Framework Wars
How developers are experimenting with structure, orchestration, and standards to get more out of AI coding.
3436
Not a three-year-old chimney sweep (2022)
This footage has gone viral online with the claim that it shows an 3 year old chimney sweep on the job: Millions of people saw the footage, shared it online an were upset by it, as they should be&#…
3437
A brief history of Times New Roman
Typography for Lawyers
3438
I hacked my clock to control my focus
I often get distracted. I obviously don’t like it. So I decided to turn my computer’s clock into a constant reminder to help me focus. Implementation This hack requires: Ubuntu with GNOME desktop environment The Panel Date Format extension A simple bash script 1. Install the Panel Date Format extension # If you don't…
3439
Achieving Great Privacy with Safari
Browsers have always been an arena for fighting and flaming over why your browser is the best and has the most features, while all others are inferior and un...
3440
Highly efficient matrix transpose in Mojo
In this blogpost I will step by step show you how to implement a highly efficient transpose kernel for the Hopper architecture using Mojo. The best kernel a...
3441
What is gVisor?
It has been a really long time since I last wrote something here as life happens, things get busier, etc etc. I am now trying to get back into writing things down and here we go! So, imagine a tool or a service that allows you to run some arbitrary code via a shell. Either through a ssh or more commonly, via a web…
3442
In-Memory Filesystems in Rust
I’ve been working on a CLI tool recently, and one of the things it does is manage files on disk. I have written a lot of file management tests for Bundler, and the two biggest reasons that the Bundler test suite is slow are exec and fstat. Knowing that, I thought I would try to get out ahead of the slow file stat…
3443
Solving First Order Differential Equations with Julia
In this tutorial, we will learn about solving Differential Equations with Julia. Differential Equations are everywhere in Science and Engineering problems. And, being able to solve Differential Equations using computers is very convenient. We will use the DifferentialEquations.jl package for solving Differential…
3444
V8 Garbage Collector
wingolog: article: the last couple years in v8's garbage collector
3445
CVE 2025 31200
Background On April 16, 2025, Apple released a patch for a bug in CoreAudio which they said was “Actively exploited in the wild.” This flew under the radar a bit. Epsilon’s blog has a great writeup of the other bug that was presumably exploited in this chain: a bug in RPAC. The only thing out there that I am aware of…
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Baking the Y Combinator from Scratch
EDIT: Part 2 is up! It's a pedagogical pet peeve of mine when technical concepts are simply listed in their fully developed state, with little in the way of motivation, derivation, or historical context. This, I think, is like publishing a cookbook filled with beautiful pictures of cakes, but
3448
Set theory with types
It is known that mathematics is heavily reliant on set theory, but no one can agree on what set theory is. Many people today understand that we have a choice between set theory and type theory , but they don’t know what type theory is either. Many think that type theory refers to some sort of dependent type theory, as…
3449
The "35-cent" Commodore 64 softmodem
Rockwell famously used 6502-based cores in modems for many years, but that doesn't mean other 6502s couldn't be used. If only there were a w...
3450
2D Signed Distance Functions
Tutorials and articles of Inigo Quilez on computer graphics, fractals, math, art, demoscene, shaders and more.