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How to mentor software engineers
Mentors should operate at three levels: goals, situations, and skills.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 21,819 posts.
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B-Trees: More Than I Thought I'd Want to Know (2021)
B-Trees are not boring, after all
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The lost art of 3D rendering without shaders
Learn how OpenGL and Metal work by writing your own 3D renderer from scratch
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Develop the three great virtues of a programmer: laziness, impatience, and hubris
In computing, “laziness” is a broad term, generally referring to not doing any work unless you need it. Whereas its opposite is “eagerness,” doing as much work as possible in case you need it later.
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How to speed up the Rust compiler one last time
Due to recent changes at Mozilla my time working on the Rust compiler is drawing to a close. I am still at Mozilla, but I will be focusing on Firefox work for the foreseeable future.
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Lessons Learned from Shenzhen I/O
Shenzhen I/O is a brilliant game. In case you haven’t heard of it, it’s a game about programming micro-controllers. It distills programming down to the fun parts, removing the inertia, …
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I accidentally built a meme search engine
I built a magical meme search engine using siglip/CLIP and vector encoding images. It was a fun way to learn about this powerful technology. I'm sharing the …
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How does rsync work?
This post is the third article in a series of blog posts about rsync, see the Series Overview. With rsync up and running, it’s time to take a peek under the hood of rsync to better understand how it works. How does rsync work? When talking about the rsync protocol, we need to distinguish between:
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I made a patch for Mozilla, and you can do it too
In this article, I will tell how I contributed code to Mozilla during a Bug Squashing Party. I hope to provide some tips and advice about how to start contributing to a Mozilla project (or any other open-source project). I will talk about Firefox and Servo, which, I think, are somehow representative of two common ways…
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Python developers are embracing type hints
What is Typed Python? Why is it important for Python developers today? How to can you get started?
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.NET 8
Today Microsoft announced the availability of .NET 8, the latest version of one of the world’s leading programming languages and development platforms.
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Learning to code is still worthwhile
Literally no one is uttering what we thought were the immortal lines “learn to code,” right? I don't think that sentence has been spoken for many months now in Silicon Valley
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MVC frameworks aren't dinosaurs but sharks
I first heard about the dinosaur 🦕 VS shark 🦈 analogy when I read this excellent article about relational databases:
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The human-in-the-loop is tired
On reward functions, dopamine, and what it actually feels like when the code starts writing itself
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Go 1.20 released
The latest Go release, version 1.20, arrives six months after Go 1.19 . Most of its changes are in the implementation of the toolchain, runtime, and libraries. As always, the release maintains the Go 1 promise of compatibility . We expect almost all Go programs to continue to compile and run as before.
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GC progress from JDK 8 to JDK 17
JDK 17 has been out for a few months and it’s not just packed with new language features. The performance boost compared to older JDK versions is also really significant. It becomes especially clear when compared to the previous LTS releases, JDK 8 and JDK 11. Much of the improved performance comes from new features…
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"cat readme.txt" is not safe if you use iTerm2
Turning "cat readme.txt" into arbitrary code execution in iTerm2.
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Software engineers should write
In elementary school, there were “math kids” and there were “English kids”. You were classified by the other kids’ impression of your prowess in each subject.
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Gleam doesn't compile to Erlang source anymore
News post: Gleam v1.19.0 released!
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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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A Real Life Off-by-One Error
The Championnats d’Europe d’Escalade (climbing) in Villars-sur-Ollon has just finished. I couldn’t make it to all the events, but did see the finals of the “Speed” event. It’s a series of head-to-head elimination races up a 15m tall wall, resulting in an eventual victor after enough rounds.
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Servo Revival: 2023-2024
Summary of the things that have happened in the Servo project since January 2023 when Igalia started to maintain it.
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Python 3.15
The official home of the Python Programming Language