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Morning, bathrobe rant: code reviews.

Managed to break CRuby with my last PR. To my dismay, I realised that `fork` has a book keeping cost no matter whether it's used or not. github.com/ruby/ruby/pull…

#rubykaigi2025_smarthr

続いては、Samuelさんによる「Can we vibe code a real-time game in 5 minutes?」です。 #rubykaigi2025_smarthr #rubykaigi

Also, what I really like doing, is asking an AI agent to refactor my ruby scripts with Async by Samuel Williams just to speed up things.

This is the most accurate meme ive seen so far. What a strange time to be alive. h/t /u/Necessary-Drummer800 /r/singularity

Perfect transfer orbit.

At first I thought they named a flavour after Elon Musk.

I asked Claude to fix the errors in one of the variants of my implementation and it deleted it - then reported that everything compiled and told me the problem is solved haha.

Notes from #rubykaigi2025_smarthr! 11 LTs covering topics from first time impressions of RubyKaigi, to being inspired by RubyKaigi (KaigiEffect), to behind the scenes and more! Risks taken: Matz rising out of the floor Risks not taken: Tai fishing on a boat

People don't understand that it takes ~5x the resources to run X req/sec through microservices versus a monolith. You think it's gonna be fine if your internal microservice has a p99 of 100ms? No way! You have to run at much lower utilization than a monolith can.

Google’s Veo 3 just dropped, & it’s rewriting what we think is real. In >48 hours people are already breaking the boundaries of reality with AI videos that look & sound like real life. Here are 20 insane examples you have to see: 1) Pharmaceutical ad:

With my recent changes to IO#close 👉 github.com/ruby/ruby/pull…, Ruby 3.5 (aka the upcoming Ruby 4.0) speeds up IO operations across the board. `IO#close` is now faster — especially under contention! 🚀📈

JS bros, we're losing our most important arguments about Ruby (and Rails in particular): Goodbye "it's too slow" and "it doesn't scale" !

Has anyone tried using Thruster+Falcon in production? github.com/socketry/falco…

(Originally it is in portrait mode but I cut it in half for better previews)

Keeping up with the tradition of taking selfies with celebrities from 6 years in a row of going to Art Basel. Shopify Engineering #Summit Obie Fernandez Nick Samuel Williams

It’s tempting for a Ruby shop to evaluate other languages when event-driven non-blocking I/O is a requirement. But Ruby is great at solving these types of problems, especially when paired with Async. losangelesaiapps.com/concurrent-web…

Don’t wish it was easier, wish you were better. Don’t wish for less problems, wish for more skills. Don’t wish for less challenges, wish for more wisdom. -- Jim Rohn