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MixedClaude · 14 Mar 2026

I was better off writing it myself because the model kept drifting over time

staticassertion on Hacker News

In the thread “AI didn't simplify software engineering: It just made bad engineering easier”

Helped: Shipping trivial features and finding simple XSS bugs.

Got in the way: Handling reentrancy safety constraints and identifying critical security flaws.

… of data into a tiny, lossy format. I routinely find that models fail when given novel constraints, for example, and the constraints aren't even that novel - I was writing some lower level code where I needed to ensure things like "a lock is not taken" and "an allocation doesn't occur" because of reentrancy safety, and it ended up being the case that I was better off writing it myself because the model kept drifting over time. I had to move that code to a separate file and basically tell the model "Don't fucking touch that file" because it would often put something in there that wasn't safe. …