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Rust lifetimes: Getting away with things that would be reckless in C++
Random code snippets, projects and musings about software from Eric Kidd, a developer and occasional entrepreneur.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,825 posts.
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Forth: The programming language that writes itself
A talk by Dave Gauer , 2023. Made with minslides , which I made for this talk . Use the J and K keys to go forward and backward. You can also just scroll down like a regular web page. Toggle notes/annotations with the N key.
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Pac-Man, but you're the ghost
I always felt a little bad for the ghosts in Pac-Man. They patrol the maze, they corner the guy, and then he eats a glowing pellet and suddenly they're the ones running for their lives. So I built a small game where you finally get to play the other side.
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VisiCalc Reconstructed
Building a minimal VisiCalc clone from scratch in C to understand how spreadsheets work.
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ZX Spectrum Raytracer
I love raytracers; in fact I’ve written half a book about them. Probably less known is my love for the ZX Spectrum , the 1982 home computer I grew up with, and which started my interest in graphics and programming. This machine is so ridiculously underpowered for today’s standards (and even for 1980s standards), the…
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The Differences Between Deep Research, Deep Research, and Deep Research
Dive into the world of AI engineering with this exploration of Deep Research in report generation. Learn how LLM-as-a-judge systems, machine learning, and ev...
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SIMD-accelerated computer vision on a $2 microcontroller
An accelerated FAST feature detector for the ESP32-S3 leveraging 128-bit SIMD instructions, achieving ~2x the performance of the reference implementation.
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Tearing apart printf()
How does printf work behind the scenes
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Using the most unhinged AVX-512 instruction to make fastest phrase search algo
Disclaimers before we start For those who don’t want to read/don’t care that much, here are the results. I hope after seeing them you are compelled to read. TL;DR: I wrote a super fast phrase search algorithm using AVX-512 and achieved wins up to 1600x the performance of Meilisearch. The source code can be found here…
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I learned PCB design, 3D printing and C just to listen to music
I always liked to see and touch the cover artwork of the CDs and LPs I bought in the past, but in the end the convenience of digital streaming won me over and I accepted no (or stamp-sized) artwork. Lately I’ve been missing this more and more and ultimately decided to try to do something about it. So I built a…
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DeepWiki: Understand Any Codebase
How I use DeepWiki to speed up real coding work
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Typing lists and tuples in Elixir
This article explores the design decisions of typing lists and tuples in Elixir within a sound gradual type system.
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Practices of Reliable Software Design
It should have good performance and be able to hold many entries. Reads are more common than writes. I know how I would do it already, but I’m curious about your approach.
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Hand Drawn QR Codes (2025)
I really like QR codes. Recently I purchased a new sticky-note-like pad from a new local stationery store in Minneapolis. The sheets have a 10x10 grid and 2x10 grid. I knew what I wanted to...
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Effective Learning Strategies for Programmers
In early September I gave a keynote at Kiwi PyCon in New Zealand on effective learning for programmers. There were two pieces to the talk: one about …
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Generators in Firefox now 22 times faster
wingolog: article: generators in firefox now twenty-two times faster
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A lot of websockets in Haskell
CakhiaTV trực tiếp bóng đá tất cả giải đấu Full HD, miễn phí, không lag. Cà Khịa TV nhật lịch thi đấu, kết quả, link xem bóng đá hôm nay nhanh nhất.
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First improvement of fundamental algorithm in 10 years
The max-flow problem, which is ubiquitous in network analysis, scheduling, and logistics, can now be solved more efficiently than ever.
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Microui+fenster=Small GUI
Sometimes I just want to put pixels on a screen. I don’t want to think about SDL this or OpenGL that—I just want to draw my pixel buffer and be done.
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Basics of Neural Networks with example codes and illustrations
I began with inanimate objects living in a world of forces, and I gave them desires, autonomy, and the ability to take action according to a system of
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Opus 1.3 Released
Ever since version 1.1, Opus has been able to automatically detect whether its input is speech or music, and choose the optimal encoding mode accordingly. The original speech/music detector was based on a simple (non-recurrent) neural network, followed by an HMM-based layer to combine the neural network results over…
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Wide and Deep Learning: Better Together with TensorFlow
Posted by Heng-Tze Cheng, Senior Software Engineer, Google ResearchThe human brain is a sophisticated learning machine, forming rules by memorizing...
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Read this post ‘unless’ you’re not a Ruby developer
Disclaimer: prepare for hair-splitting and nitpicking
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Software engineers can no longer neglect their soft skills
The bottleneck has shifted from implementation to specification.
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js;dr = JavaScript required; Didn’t Read.
js;dr = JavaScript required; Didn’t Read. Pages that are empty without JS: dead to history (archive-org), unreliable for search results (despite any search engine claims of JS support, check it yourself), and thus ignorable. No need to waste time reading or responding. Also known as, if it’s not curlable, it’s not on…
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Fast midpoint between two integers without overflow
Let us say that I ask you to find the number I am thinking about between -1000 and 1000, by repeatedly guessing a number. With each guess, I tell you whether your guess is correct, smaller or larger than my number. A binary search algorithm tries to find a value in an interval by repeating … Continue reading Fast…