2551
Beating Google's kernelCTF PoW using AVX512
PoW is gone 🦀🦀
New
The latest blog posts to take off on Hacker News. 4,109 posts.
2552
De Bruijn notation, and why it's useful
At least a familiarity with the lambda calculus, including how it is evaluated. Some base knowledge of programming languages is also assumed.
2553
What's working for YC companies since the AI boom
The goal of this analysis was to understand what’s working for YC companies by looking at which ones have raised Series A rounds.
2554
U.S. sanctions cloud provider 'Funnull' as top source of 'pig butchering' scams
The U.S. government today imposed economic sanctions on Funnull Technology Inc. , a Philippines-based company that provides computer infrastructure for hundreds of thousands of websites involved in virtual currency investment scams known as “ pig butchering .” In January 2025, KrebsOnSecurity detailed how Funnull was…
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Copy Excel to Markdown Table (and vice versa)
Easily create Markdown tables by copying data from Excel or Google Sheets and pasting it into the text box below using Ctrl+V. Alternatively, as a new feature, paste a Markdown table to convert it to Excel/Google Sheets format. The result is automatically copied to your clipboard and ready to use. Error: This tool…
2556
Notes on Tunisia
I spent almost three weeks in Tunisia, visiting the cities of Tunis, Bizerte, El Kef, Tozeur, Tataouine, El Jem, Sfax, Sousse, Monastir, Kairouan, and a few smaller towns in between. At first, I th…
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Untrusted chatbot AI between you & the internet is a disaster waiting to happen
JavaScript, math, maps, etc
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Learning C3
Learning the C3 programming language
2560
Java Virtual Threads Ate My Memory: A Web Crawler's Tale of Speed vs. Memory
I built a simple web crawler using good old platform threads. It was just a multithreaded crawler, nothing fancy. But then, curiosity…
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Nitrogen Triiodide (2016)
Nitrogen Triiodide
2562
Gurus of 90s Web Design: Zeldman, Siegel, Nielsen
With the rise of Flash and CSS in 1997, three web design philosophies emerge. David Siegel advocates for 'hacks', Jakob Nielsen keeps it simple, while Jeffrey Zeldman combines flair with usability.
2563
A visual exploration of vector embeddings
For Pycon 2025, I created a poster exploring vector embedding models, which you can download at full-size . In this post, I'll translate ...
2564
A toy RTOS inside Super Mario Bros. using emulator save states
They're Mario Bros. for the NES, apparently.
2565
What does “Undecidable” mean, anyway
An explainer for people who don't know computer science and are mildly curious
2566
Compiling a neural net to C for a speedup
A cozy little corner of the web.
2567
Revenge of the Chickenized Reverse-Centaurs
In AI circles, a “centaur” describes a certain kind of machine/human collaboration, in which “decision-support” systems (which the field loves to call “AI”s) are paired with human beings for results that draw upon the strengths of each, such as when a human chess master and a chess-playing computer program collaborate…
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Compiler Explorer and the promise of URLs that last forever
How we're preserving 12,000 legacy links as Google's URL shortener rides into the sunset
2569
Getting a Cease and Desist from Waffle House
I reverse-engineered Waffle House's website to build a live version of the (unofficial) Waffle House Index, and got a cease and desist for it.
2570
LLM codegen go brrr – Parallelization with Git worktrees and tmux
If you're underwhelmed with AI coding agents or simply want to get more out of them, give parallelization a try. After seeing the results firsthand over the past month, I'm ready to call myself an evangelist. The throughput improvements are incredible, and I don't feel like I'm losing control of the codebase.
2571
The Blowtorch Theory: A new model for structure formation in the universe
How early, sustained, supermassive black hole jets carved out cosmic voids, shaped filaments, and generated magnetic fields
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Atomics and Concurrency
This is going to be a long post, but I hope you get value out of it. This wasn’t an easy topic to tackle but it was definitely worthwhile!
2575
Why are 2025/05/28 and 2025-05-28 different days in JavaScript?
A Date in JavaScript always represents a point in time (i.e. milliseconds since epoch). This is more apparent when printing out the full date string:
2576
As a developer, my most important tools are a pen and a notebook
Writing code is a part of being a software developer but often more important question is to figure what code to write and how and that I like to do away from computer with my notebook.
2577
The Polymarket users betting on when Jesus will return
Thanks to Jesse Richardson for discussion. Polymarket asks: will Jesus Christ return in 2025? In the three days since the market opened, traders have wagered over $100,000 on this question. The mar…
2578
Negotiating PoE+ Power in the Pre‑Boot Environment
Solving a boot-time power challenge on PoE+ x86 systems by creating our own UEFI app to handle LLDP power negotiation at the firmware level, allowing our machines to request higher power from network switches before the OS loads.
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Why the original Macintosh had a screen resolution of 512×324
Many classic Macs came with — or supported — displays running at 512x384 pixels, but many compact Macs, ranging from the original 1984 machine up through 1991’s Macintosh Classic II had built-in CRTs running at 512x342 pixels. That covers all black-and-white compact Macs with a 9-inch screen. The later Color Classic…
2580
Running GPT-2 in WebGL: Rediscovering the Lost Art of GPU Shader Programming
A few weeks back, I implemented GPT-2 using WebGL and shaders (Github Repo) which made the front page of Hacker News. Here is a short write-up over what I …