Writing Quality Code
summary
Five concrete rules: learn one level below the runtime (examples: a self‑modifying program fails on 80286 vs 8086 because of the prefetch queue, and a compiler optimization bug appears only in release builds), aggressively remove duplication (code dropped from 16.5k to 9.3k lines), avoid copy‑paste like repeating a selector 31 times instead of looping, keep functions to a single screen, handle error paths first, and use IDE/build plugins plus regular refactoring to enforce basics.
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