Unconference pitches
summary
Pitches claim Ruby can replace Python for machine learning and demonstrate a Numerical Ruby proof of concept; one team explains Rails serving 2 billion requests per day and details performance fixes used at planetary scale; other items include a new documentation tool with a working demo, concrete steps to split a multi-tenant SaaS for regional data residency, a Rails historical-code reconstruction running locally, practical Postgres EXPLAIN and advanced DB patterns, and developer-experience hacks around the interactor gem.
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