Best of 2025

The blog posts Hacker News loved most in 2025. 1,747 posts.

Software Engineering
460

Quake Engine Indicators

I was working on a bug in Chocolate Quake netcode. The issue was an edge case where starting two clients on the same machine resulted in the second one zombifying the first one. When the bug occurred there was no disconnection but the client could no longer move. Instead the screen would show an "indicator" looking…

470

Why Algebraic Effects?

Algebraic effects 1 (a.k.a. effect handlers) are a very useful up-and-coming feature that I personally think will see a huge surge in popularity in the programming languages of tomorrow. They’re one of the core features of Ante, as well as being the focus of many research languages including Koka , Effekt , Eff , and…

477

Left-Pad (2024)

8 years have passed since the the left-pad incident happened. It's been good for me to avoid this subject for focusing on actual work. Also, silence is gold. On the other hand, left-pad is seen as a notable event mentioned in books, so I'll share more info and thoughts about what exactly happened.