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Examples are the best documentation
Examples are the best documentation | exotext
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The latest blog posts to take off on Hacker News. 1,748 posts.
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The great software quality collapse or, how we normalized catastrophe
Apple’s Calculator leaked 32GB of RAM. The deeper failure is an industry shipping more software while producing fewer engineers capable of fixing it.
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Python's splitlines does more than just newlines
I always assumed that Python's str.splitlines() split strings by " universal newlines ", i.e., \n , \r , and \r\n .
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The C++ programmer and educator Rainer Grimm has passed away
Dear readers, we are extremely sad to inform you that Rainer passed away on October 6, 2025, surrounded by his closest family. After suffering from life-threatening pneumonia, Rainer decided against further life-sustaining measures that would have severely restricted his life. He passed away peacefully, accompanied by…
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Python 3.14 is here. How fast is it?
In November of 2024 I wrote a blog post titled "Is Python Really That Slow?", in which I tested several versions of Python and noted the steady progress the language has been making in terms of…
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Two things LLM coding agents are still bad at
I’ve been trying to slowly ease into using LLMs for coding help again lately (after quitting ), but something always feels off -- like we’re not quite on the...
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I played 1k hands of online poker and built a web app with Cursor AI
In the last two weeks I spent over a dozen hours playing poker, primarily online at pokerstarsmi.com, and live at a local casino. You can view the last 1,000 hands I played here: https://poker.rchase.com I spent at least as much time reviewing my hands with
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Svelte’s characteristics that likely contribute most to improved performance
The five most popular JS frameworks – Angular, React, Vue, Svelte and Blazor – use different rendering strategies, and it shows.
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Julia 1.12 highlights
Highlights of the Julia 1.12 release.
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Now open for building: Introducing Gemini CLI extensions
Make Gemini CLI uniquely yours by connecting it to your everyday workflows and the tools you use most.
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We found a bug in Go's ARM64 compiler
84 million requests a second means even rare bugs appear often. We'll reveal how we discovered a race condition in the Go arm64 compiler and got it fixed.
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Doing Rails Wrong
What is a Banana Curving Machine? Well it's a fantastic apparatus that does what it says. Curves Bananas.
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Erlang ARM32 JIT is born
A modular embedded ecosystem—bare-metal hardware, software stacks, and a cloud platform for real-time IoT and distributed systems.
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Hardware Stockholm Syndrome
2025-10-05
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Apps SDK
Learn to build plugins for ChatGPT and Codex with skills, MCP servers, and optional UI. Explore developer guides for authentication, testing, and publishing.
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OpenZL: An open source format-aware compression framework
OpenZL is a new open source data compression framework that offers lossless compression for structured data. OpenZL is designed to offer the performance of a format-specific compressor with the eas…
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Uv overtakes pip in CI
An opportunity for more opinionated defaults
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My first contribution to Linux
I upstreamed my first kernel patch, and it was easier than I thought it would be.
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Embracing the parallel coding agent lifestyle
For a while now I’ve been hearing from engineers who run multiple coding agents at once—firing up several Claude Code or Codex CLI instances at the same time, sometimes in …
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Under the hood: Vec<T>
Let's look at Vec<T> to get a better understanding of its inner structure.
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CPU cache-friendly data structures in Go
False sharing, AoS vs SoA, random access, branch prediction: re-measured with go test -bench on two machines. Some claims held, some didn't.
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Why we need SIMD
tl/dr: it can deliver big performance speedups at modest area cost
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Should I choose Ada, SPARK, or Rust over C/C++? (2024)
At AdaCore, we’re in the business of supporting people who develop high-integrity software, in particular for embedded systems. In terms of programming…
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Managing context on the Claude Developer Platform
New context editing and memory tools enable Claude agents to handle long-running tasks without hitting context limits.
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Matrix Core Programming on AMD GPUs
In this blog post, we walk through how to use Matrix Cores in HIP kernels, with a focus on low-precision data types such as FP16, FP8, and FP4, as well as the new family of Matrix Core instructions with exponent block scaling introduced in the AMD CDNA™4 architecture. Through code examples and illustrations, we…
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How functional programming shaped and twisted front end development
A friend called me last week. Someone who’d built web applications back for a long time before moving exclusively to backend and infra work. He’d just opened a modern React codebase for the first time in over a decade.
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Zig builds are getting faster
Andrew Kelley famously (or infamously, depending on your views) said "the compiler is too damn slow, that's why we have bugs." 1
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Arenas in Rust
At one level, this question is not very fair, because an answer to it as stated would be that one simply does not use doubly linked lists. They have been popular in introductory computer science lectures because they are a neat way to explain pointers in a data structure that's easy to draw on a whiteboard, but they…
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Cancellations in async Rust
Correctness in the face of cancellations: a written version of my talk at RustConf 2025.
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Who needs Git when you have 1M context windows?
Lately I’ve heard a lot of stories of AI accidentally deleting entire codebases or wiping production databases . But in my case it was the other way around. I removed some working code and the LLM helped me to recover it.