Closing Keynote: After a Decade, Still a Rubyist

on YouTube ↗01h 00m

" summary

After ten years of Ruby the core claim is practical: Ruby's weaknesses (IO, CPU, packaging) have concrete fixes. Examples: Ratpack with JRuby yields Node-like nonblocking microservices and comparable benchmarks; reimplementing hot methods in Rust via the Helix bridge to Rust matches C extensions and cuts CPU hotspots dramatically; packaging CLIs as single binaries with m CLI / emscripten-style static builds reduces boot from ~40ms to ~3ms. Several live projects, metrics and deployable demos back each claim.

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" chapters (6)

1. 0:00Start
2. 23:56Mature Ecosystem
3. 29:52applying backpressure from a client non-blocking communication
4. 38:03Zero-Cost Abstractions
5. 44:13gem install heroku
6. 51:33simple setup

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