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Clojure: Managing throughput with virtual threads
A blog mostly about Clojure programming
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The latest blog posts to take off on Hacker News. 1,535 posts.
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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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Rewriting the Technical Interview (2020)
Update, November 2023: here are the full term rewrite and language macros which formed the seed of this story. These files include OO notation as well as the basic Algol syntax shown here. There is also a sketch of an object-oriented language with classes and inheritance, implemented as a Clojure macro. I do not…
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The world's loudest Lisp program to the rescue
Programming blog of Eugene
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Cognition: A new antisyntax language redefining metaprogramming
Other languages are inflexible and broken. Let's fix that.
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Hacking on PostgreSQL is hard
Hacking on PostgreSQL is really hard. I think a lot of people would agree with this statement, not all for the same reasons. Some might poin...
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Evolving the Go Standard Library with math/rand/v2
Go 1.22 adds math/rand/v2 and charts a course for the evolution of the Go standard library.
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LLMs can't do probability
I've seen a couple of recent posts where the writer mentioned asking LLMs to do something with a certain probability or a certain percentage of the time. There is a particular example that stuck in my mind which I've since lost the link to (If you're the author, please get in touch so I can link through to you): The…
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Rama is a testament to the power of Clojure
It took more than ten years of full-time work for Rama to go from an idea to a production system. I shudder to think of how long it would have taken without Clojure. Rama is a programming platform …
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Not all graphs are trees
It's pretty easy to imagine how to represent relational algebra expressions as a tree—they are already structurally rooted trees where each operator has its...
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A few facts about POSIX
MEGA888 merupakan link alternatif slot gacor tutorial terbaru cara bermain game slot88 server indonesia penuh kesempatan menang maksimal teori konspirasi nyata pasti maxwin.
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Why SQLite Uses Bytecode
Every SQL database engine works in roughly the same way: It first translates the input SQL text into a "prepared statement". Then it "executes" the prepared statement to generate a result.