Three Mini-talks
summary
Three mini-lectures that give concrete takeaways: Celluloid is presented as threads on Rails, showing how to add it, use dot async, futures and pools (default pool size = CPU count), and notes it runs in production (Sidekiq) but the GIL limits CPU-bound parallelism unless using JRuby/Rubinius. A set of personal stories argues that naiveté and small risks can produce big outcomes (Sass success, Caltech path). The Ruby origin is reframed as Ruby as a DSL in C, evolved incrementally from C extensions.
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