The world runs on bad software
summary
Claim: the world runs on imperfect but functional Ruby systems that ship fast and survive. Examples include nearly a million requests at peak on a scaled Words with Friends backend, apps with 28,000 lines of code still running, a hot path where handwritten XML saving 3–4 ms justifies uglier code, and a bug pattern of method_missing returning nil to avoid crashes. Concrete remedies are used: Rails, MongoDB/ActiveModel tricks, automated tests, DRY, and tiny incremental refactors.
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chapters (6)
- 0:00Start
- 10:52Production
- 16:02rake stats
- 24:11automated testing
- 29:39Examples
- 32:06performance maintenance
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