Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,819 posts.

Software Engineering
Any year
3276

Programming with Categories

In this course we explain how category theory—a branch of mathematics known for its ability to organize the key abstractions that structure much of the mathematical universe—has become useful for writing elegant and maintainable code. In particular, we'll use examples from the Haskell programming language to motivate…

3292

Textmate 2 - Alpha this year

There has been a lot of speculation and trepidation about the future of TextMate recently, mostly about whether there will be another major release. Work on 2.0 began and while we wish it could have been completed faster we are very pleased with how it is turning out. Development has reached a point finally where we…

3293

Why am I interested in Elixir?

I’ve had Elixir on the brain recently. And by recently I probably mean 2 years. In my defense I think it is fair to say it is blooming right now. I haven’t had much need of it, or opportunity for it, in my day-to-day of maintaining a Python legacy system, renewing another legacy or optimizing Elasticsearch. So I’ve…

3298

OpenClaw is changing my life

I want to share some thoughts on my recent experience with OpenClaw. Over the past year, I’ve been actively using Claude Code for development. Many people believed AI could already assist with programming—seemingly replacing programmers—but I never felt it brought any revolutionary change to the way I work. Sure…