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Hypervisor in 1k Lines
Write your first hypervisor from scratch, in 1K LoC.
992
Big Tech Killed the Golden Age of Programming
This post was part of an experiment. It was largely generated by AI, and does not reflect my views. Please see the post How I Tricked Hacker News and Made The Front Page with AI Slop for details! The
993
Stop crawling my HTML – use the API
One of the (many) depressing things about the "AI" future in which we're living, is that it exposes just how many people are willing to outsource their critical thinking. Brute force is preferred to thinking about how to efficiently tackle a problem. For some reason, my websites are regularly targetted by "scrapers"…
994
# [derive(Clone)] Is Broken
Not just `#[derive(Clone)]`, but all of the standard trait derives are
995
A guide to Gen AI / LLM vibecoding for expert programmers
I get it, you’re too good to vibe code. You’re a senior developer who has been doing this for 20 years and knows the system like the back of your hand. Or maybe you’re the star individual contributor who is the only person who can ever figure out how to solve the hard problems. Or maybe you’re the professor who…
996
Jujutsu worktrees are convenient (2024)
Jujutsu worktrees are very convenient! In git, worktrees are an old concept. The idea is that you can effectively work on your project in 2 different folders …
997
Smalltalk, Haskell and Lisp
To assist with job interviews at the NRAO we recently wrote a small “contest” program. Without giving away the details, the crux of the problem is
998
The Evolution of Caching Libraries in Go
For the last few years, I've been developing caching library, and today I'd like to talk about the evolution of caches in Go and where we stand today. Especially since Go 1.24 was officially supposed to focus on caching improvements, but I haven't heard much news about them - time to fix that .
999
Understanding Spec-Driven-Development: Kiro, Spec-Kit, and Tessl
Notes from my colleagues on AI-assisted software delivery
1000
Leveraging Elixir's hot code loading capabilities to modularize a monolithic app
How hot code loading solves client-specific engineering problems in my startup Alzo
1001
Simulating a Planet on the GPU: Part 1 (2022)
A year-long journey through polygon meshes, cubemaps, and smoothed-particle hydrodynamics in pursuit of a modern SimEarth
1002
Synthesizing Music from JSON
tl;dr: pl_synth is a tiny music synthesizer for C & JS and an editor (“tracker”) to create instruments and arrangements.
1003
Rootless Pings in Rust
Sending a ping by creating an ICMP socket normally requires root: you can’t create a raw socket to send ICMP packets without it. The ping command line tool works without root however, how is that possible? It turns out you can create a UDP socket with a protocol flag, which allows you to send the ping rootless. I…
1004
The inconceivable types of Rust: How to make self-borrows safe (2024)
One of the first things any Rust programmer learns is that you can’t pass an object and a reference to that object around at the same time. It’s impossible to do, even indirectly. This limitation has been the subject of countless questions on Stack Overflow and posts on Reddit and the Rust forums and anywhere else…
1005
Beyond OpenMP in C++ and Rust: Taskflow, Rayon, Fork Union
Most C++ and Rust thread pools run 10x slower than OpenMP on fork-join workloads. Fork Union closes the gap to 20% with 300 lines, dodging mutexes and CAS.
1006
Reverse Engineering Apple's typedstream Format
imessage-exporter ’s goal is to provide the most comprehensive representation of iMessage data available. Message data is stored in a legacy format that appears to be a stream that represents objects.
1007
Rule-Based Programming in Interactive Fiction
As I write this, Inform 7 is approaching its third birthday. I7 is a tool for creating interactive fiction (text adventure games). Like all the most powerful IF development tools, I7 is a programming language -- a powerful and peculiar one.
1008
Tools for 2025
TLDR; I really wish these tools gain more traction:
1009
Blame as a Service
Productized scapegoating
1010
Nebu: A Spreadsheet Editor for Varvara
By Devine Lu Linvega
1011
CSS's problems are Tailwind's problems
Apparently this horse hasn't been beaten enough.
1012
Asking Gemini 3 to generate Brainfuck code results in an infinite loop
Asking Gemini 3 to generate Brainf*ck code results in an infinite loop, akin amost to a DDoS attack:
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Why I write recursive descent parsers, despite their issues (2020)
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
1014
Local First Htmx
Overview Part 2 is now ready There is a common refrain on the internet that things have gotten worse and are continuing to get worse. There is a proliferation of horrible jumpy loading ads on every website, every search engine throws a crappy AI summary in front of your search result, every site/webapp seems to have…
1015
Implementing a Struct of Arrays
My CppCon 2025 talk, Practical Reflection, is now online, and goes over this example in more detail and more digressions. Check it out!
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1017
Hacking Diffusion into Qwen3 for the Arc Challenge
A deep dive into ongoing efforts adapting language models for diffusion-based ARC solving.
1018
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...
1019
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...
1020
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…