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Development Notes from xkcd's "Machine"
How we designed xkcd's massive rube goldberg machine game in 3 weeks.
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The latest blog posts to take off on Hacker News. 21,819 posts.
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The search for easier safe systems programming
I've been involved in the Rust project in some form or another since 2016, and it's a language I'm very comfortable using. Many Rust programmers could say the same . But, if we take a step back and are honest with ourselves, we'd admit that the road to getting to that level of comfort was difficult.
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Needle: A DFA Based Regex Library That Compiles to JVM ByteCode
Many years ago, Kragen complained about the implementation and performance of Java regexes , and suggested that an implementation that emitted JVM bytecode could perform better. It's been a minute, but I'm happy to report that complaining on the Internet has served its purpose.
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Temporal Python – A durable, distributed asyncio event loop (2023)
Introduction to the Temporal Python SDK and how Temporal is a durable, distributed asyncio event loop
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Linux When?
From the Zed Blog: In this episode of Zed Decoded, Thorsten talks to Mikayla, who's been leading the effort to Zed working on Linux, about the Zed's Linux version and how it's taking shape
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The Birth of Parquet
15 years ago (2007-2011) I was at Yahoo! working with Map/Reduce and Apache Pig, which was the better Map/Reduce at the time. The Dremel paper just came out and, as everything I worked with seemed to be inspired from Google papers, I read it. I could see it applying to what we were doing at Yahoo! and this was to…
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How Python asyncio works: recreating it from scratch
Learn how asyncio works by recreating it from scratch with Python generators and using the __await__ dunder method for the async/await keywords.
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Arena-based parsers
The code is a bit "experimental" but it's available in the arena-fixes branch (make sure to enable --features=development if you run it from a Git repo).
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Clojure: Managing throughput with virtual threads
A blog mostly about Clojure programming
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Preview Builds of the Zed Editor Now Available for Linux
Download the latest releases of Zed, or view the changelog.
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How to Use the Foreign Function API in Java 22 to Call C Libraries
Using Java's Foreign Function API to Call C like fopen, fgets, and fclose.
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Pair Your Compilers at the ABI Café
Not sure if your compilers have matching ABIs? Then put them through the ultimate compatibility crucible and pair them up on a shift at The ABI Café! Find out if your one true pairing fastcalls for each other or are just another slowburn disaster. (Maid outfits optional but recommended.)
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Flying planes in Microsoft Flight Simulator with a JavaScript autopilot (2023)
Writing auto-pilots in JavaScript for MSFS
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Coding interviews are stupid (ish)
Musings on software, technology, and life by Darren Kopp
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Simplicity is an advantage but sadly complexity sells better (2022)
Pushing back on the cult of complexity.
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ESP32-S3 has a few SIMD instructions
Intro Espressif Systems released their ESP32-S3 SoC a few years ago, but only recently have they released more documentation and support of ...
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Decoding UTF8 with parallel extract
As a side-quest I recently decided to write a branchless utf8 decoder utilizing the pext or "parallel extract" instruction. It's compliant with rfc-3629 , meaning that it doesn't just naively decode the code-point but also checks for overlong encoding, surrogate pairs and such. Compiled with gcc -O3 -march=x86-64-v3…
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A 100x speedup with unsafe Python
We're going to speed up some numpy code by 100x using "unsafe Python." Which is not quite the same as unsafe Rust, but it's a bit similar, and I'm not sure what else to call it... you'll see. It's not something you'd use in most Python code, but it's handy on occasion, and I think it shows "the nature of Python” from…
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Swift's native Clocks are inefficient
In absolute terms they don’t have much overhead – think sub-microsecond for most uses. Which makes them perfectly acceptable when they’re used sporadically (e.g. only a few times per second).
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Deno KV internals: building a database for the modern web
How we built a performant, scalable, ACID-compliant, JavaScript-native database on FoundationDB.
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Figma’s Journey to TypeScript
Figma's team recently converted one of its codebases from a custom programming language to TypeScript without disrupting a single day of development.
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How to Use JSON Path
From API contract to documentation portal: streamline your workflow and deliver the best API experience. Built for engineers and tech writers.
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Using a LLM to compress text
Introduction Large language models are trained on huge datasets of text to learn the relationships and contexts of words within larger documents. These relationships are what allows the model to generate text. Recently I've read concerns about LLMs being trained on copyrighted text and reproducing it. This got me…
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I’m writing a new vector search SQLite Extension
sqlite-vec is an new vector search SQLite extension, coming soon!
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An analysis of the Rabbit R1 APK
Emerge Tools analysis of the Rabbit R1 APK.
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Making a 3D modeler in C in a week
The origin story of a 3D Modeler made very quickly
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Piccolo – A Stackless Lua Interpreter
piccolo is an interpreter for the Lua language written in pure, mostly safe Rust with an eye towards safe sandboxing and resiliency. It uses gc-arena for its garbage collection system, and in fact gc-arena was originally created as part of piccolo .
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