This is a recap of the top 10 posts on Hacker News on Dec 1, 2025.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

Advent of Code 2025
https://adventofcode.com/2025/about
https://news.ycombinator.com/item?id=46096337

Writing a good Claude.md
https://www.humanlayer.dev/blog/writing-a-good-claude-md
https://news.ycombinator.com/item?id=46098838

Windows drive letters are not limited to A-Z
https://www.ryanliptak.com/blog/windows-drive-letters-are-not-limited-to-a-z/
https://news.ycombinator.com/item?id=46096556

Search tool that only returns content created before ChatGPT's public release
https://tegabrain.com/Slop-Evader
https://news.ycombinator.com/item?id=46103376

Migrating Dillo from GitHub
https://dillo-browser.org/news/migration-from-github/
https://news.ycombinator.com/item?id=46096800

A Love Letter to FreeBSD
https://www.tara.sh/posts/2025/2025-11-25_freebsd_letter/
https://news.ycombinator.com/item?id=46100892

GitHub to Codeberg: my experience
https://eldred.fr/blog/forge-migration/
https://news.ycombinator.com/item?id=46097829

Algorithms for Optimization [pdf]
https://algorithmsbook.com/optimization/files/optimization.pdf
https://news.ycombinator.com/item?id=46101492

Advent of Sysadmin 2025
https://sadservers.com/advent
https://news.ycombinator.com/item?id=46102347

Google Antigravity just deleted the contents of whole drive
https://old.reddit.com/r/google_antigravity/comments/1p82or6/google_antigravity_just_deleted_the_contents_of/
https://news.ycombinator.com/item?id=46103532