2611
Writing an LLM from scratch, part 13 – attention heads are dumb
A pause to take stock: realising that attention heads are simpler than I thought explained why we do the calculations we do.
New
The latest blog posts to take off on Hacker News. 21,819 posts.
2612
Making PyPI's test suite faster
See how we slashed PyPI’s test suite runtime from 163 to 30 seconds. The techniques we share can help you dramatically improve your own project’s testing performance without sacrificing coverage.
2613
Stability by Design
I think I figured out what’s stressing me out about programming in dynamically typed languages: It’s about always being unsure if using a library in a particular way is going to work and if minor version upgrades aren’t going to break your code.
2614
Reservoir Sampling
Choosing fairly when you don't know how many you're choosing from.
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Microservices are a tax your startup probably can't afford
Why splitting your codebase too early can quietly destroy your team’s velocity — and what to do instead.
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An Introduction to Solid Queue for Ruby on Rails
Solid Queue is Rails’ default background job backend: jobs live in your database, no Redis. See how jobs, workers, and the supervisor work under the hood.
2619
Create and edit images with Gemini 2.0 in preview
Explore how to generate and edit images with Gemini 2.0 Flash, now in preview in Google AI Studio
2620
Waiting for Postgres 18: Accelerating Disk Reads with Asynchronous I/O
Postgres 18 introduces Asynchronous I/O (AIO) that can dramatically improve read performance, especially in the cloud. Learn how these changes and the new io_method setting work and see why our benchmark results show that io_uring is the recommended setting for maximizing I/O performance in Postgres 18 over the…
2621
Zed: High-performance AI Code Editor
From the Zed Blog: Zed is now the world's fastest AI code editor. What's more, Zed's new AI features are also open-source, just like the whole editor.
2622
How to Build an Agent
Building a fully functional, code-editing agent in less than 400 lines.
2623
Matt Godbolt sold me on Rust by showing me C++
Looking at C++ from another angle can create new possibilities using Rust.
2624
Gemini 2.5 Pro Preview
Explore the new Gemini 2.5 Pro I/O Edition, featuring enhanced coding performance, video to code capabilities, and improvements for front-end web development.
2625
The Turkish İ Problem and Why You Should Care (2012)
Take a look at the following code.
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2627
You can't git clone a team
Mastering the full stack isn’t just a technical feat: it’s a human challenge, and no, you can’t git clone your way out of it.
2628
AI Meets WinDBG
Because manually squinting at hex dumps is so last century. Let me show you how AI-assisted debugging is leaving WinDBG's command line in the dust.
2629
Graceful Shutdown in Go: Practical Patterns
Go applications can implement graceful shutdown by handling termination signals (SIGTERM, SIGINT) via os/signal or signal.NotifyContext. Shutdown must complete within a specified timeout (e.g., Kubernetes’ terminationGracePeriodSeconds)…
2630
Load-Store Conflicts
meshoptimizer implements several geometry compression algorithms that are designed to take advantage of redundancies common in mesh data and decompress quickly - targeting many gigabytes per second in decoding throughput. One of them, index decoder, has seen a significant and unexpected variance in performance across…
2631
Typed Lisp, a Primer
Exploring Lisp's fine-grained type hierarchy.
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Oberon Pi
Oberon, the jewel by Niklaus Wirth and Jürg Gutknecht: Operating System, Compiler and Computer.
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Understanding Memory Management, Part 5: Fighting with Rust
This is the fifth post in my planned multipart series on memory management. You will probably want to go back and read Part I , which covers C, parts II and III , which cover C++, and part IV , which introduces Rust memory management. In part IV, we got through the basics of Rust memory management up through smart…
2636
We fell out of love with Next.js and back in love with Ruby on Rails
A look at how and why we migrated from Next.js to Ruby on Rails.
2637
Expanding on what we missed with sycophancy
A deeper dive on our findings, what went wrong, and future changes we’re making.
2638
A Common Lisp jq replacement
Title says it all, I seriously dislike jq 's convoluted, impossible-to-remember ad hoc DSL that instantly joined heaps of misery like CMake and gnuplot in my heart. It should really have been a library with a CLI wrapper around eval in a well-known scripting language like Python.
2639
What I've learned from jj
How Jujutsu's flexibility and safety changed my approach to version control.
2640
Reflecting on a Year of Gamedev in Zig
One year ago, I started programming a puzzle game from scratch in Zig. While it’s too early to announce the game (more on this later in the year), I want to share some of the insights I’ve gained about gamedev in Zig so far.