Best of 2025

The blog posts Hacker News loved most in 2025. 6,219 posts.

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511

Time to start de-Appling

I ‘ve done such a thorough job of de-Googling that I forgot to show up for a meeting with someone, because I hadn’t checked my Google calendar in ages. (No, they were not amused.) In my defense, I proceeded to explain to them that having de-Googled, I was also in the process of de-Appling, which is a special bonus…

514

How I program with agents

This is the second part of my ongoing self-education in how to adapt my programming experience to a world with computers that talk. The first part, How I program with LLMs , covered ways LLMs can be adapted into our existing tools (basically, autocomplete) and how careful prompting can replace traditional web search…

521

Apple is open sourcing Swift Build

Swift continues to grow in popularity as a cross-platform language supporting a wide variety of use cases, with support on a variety of embedded devices, form factors that encompass wearables to server, and a wide variety of operating systems. As Swift expands, there’s value in investing in matching cross-platform…

529

Jepsen: Amazon RDS for PostgreSQL 17.4

AWS’s Sergey Melnik, along with HN commenters matashii and Ants Aasma, have identified the cause of Long Fork in PostgreSQL clusters. As described a 2013 mailing list post , the order in which a PostgreSQL primary makes transactions visible is determined by an in-memory lock. Secondaries, however, make transactions…

539

Fil's Unbelievable Garbage Collector

Fil-C uses a parallel concurrent on-the-fly grey-stack Dijkstra accurate non-moving garbage collector called FUGC (Fil's Unbelievable Garbage Collector). You can find the source code for the collector itself in fugc.c , though be warned, that code cannot possibly work without lots of support logic in the rest of the…