This is a recap of the top 10 posts on Hacker News on Jul 20, 2025.

Nobody knows how to build with AI yet
https://worksonmymachine.substack.com/p/nobody-knows-how-to-build-with-ai
https://news.ycombinator.com/item?id=44616479

Death by AI
https://davebarry.substack.com/p/death-by-ai
https://news.ycombinator.com/item?id=44615801

Ring introducing new feature to allow police to live-stream access to cameras
https://www.eff.org/deeplinks/2025/07/amazon-ring-cashes-techno-authoritarianism-and-mass-surveillance
https://news.ycombinator.com/item?id=44620002

Make Your Own Backup System – Part 1: Strategy Before Scripts
https://it-notes.dragas.net/2025/07/18/make-your-own-backup-system-part-1-strategy-before-scripts/
https://news.ycombinator.com/item?id=44618687

Local LLMs versus offline Wikipedia
https://evanhahn.com/local-llms-versus-offline-wikipedia/
https://news.ycombinator.com/item?id=44617078

The borrowchecker is what I like the least about Rust
https://viralinstruction.com/posts/borrowchecker/
https://news.ycombinator.com/item?id=44618535

How we tracked down a Go 1.24 memory regression
https://www.datadoghq.com/blog/engineering/go-memory-regression/
https://news.ycombinator.com/item?id=44597550

Rethinking CLI interfaces for AI
https://www.notcheckmark.com/2025/07/rethinking-cli-interfaces-for-ai/
https://news.ycombinator.com/item?id=44617184

Mushroom learns to crawl after being given robot body (2024)
https://www.the-independent.com/tech/robot-mushroom-biohybrid-robotics-cornell-b2610411.html
https://news.ycombinator.com/item?id=44591775

Hungary's oldest library is fighting to save books from a beetle infestation
https://www.npr.org/2025/07/14/nx-s1-5467062/hungary-library-books-beetles
https://news.ycombinator.com/item?id=44583316