Dev Radar
Support
LiveUpdated 2026-11-02 17:22 UTC

In the year 2000, Joel Spolsky (founder of Stack Overflow) wrote a famous article titled…

In the year 2000, Joel Spolsky (founder of Stack Overflow) wrote a famous article titled “Things You Should Never Do,…

This is a dev post classified by AGK Intelligence as Languages & runtimes (a free resource), kept by the Dev Radar because it carries real work, not commentary.

In the year 2000, Joel Spolsky (founder of Stack Overflow) wrote a famous article titled “Things You Should Never Do, Part I.” In it, he talks about how rewriting your code from scratch is the single worst strategic mistake any software company can make. However, times have changed. The cost of writing software is dropping exponentially and that has changed the math entirely on if it is worth rewriting your codebase. For instance, this year Anthropic’s Jarred Sumner ( @jarredsumner ) rewrote Bun in Rust in 11 days leading to many performance and correctness benefits. Likewise, Stephen Toub (

Posted by Ryan Peterman (30.2k followers) 3 h ago · 68 likes · 6.5k views · view the original post on X. Kept by the Dev Radar as Languages & runtimes. Tools mentioned: Airlock.

More dev work like this

Every post is read and classified by AGK Intelligence: what it is, which market it belongs to, and whether the link is a real tool. 31.3k posts from 5k X accounts over the last 21 days, 9k tools, 12 markets. New posts are collected several times an hour and the full ranking is recomputed every hour — last update 2026-11-02 17:22 UTC. Full method.