Ruby-code Flatten A Deeply Nested Array In Ruby Arrays in Ruby can be nested arbitrarily deep — arrays of arrays of arrays. flatten collapses them into a single level, but knowing when to flatten fully versus partially is what separates clean
Ruby 3 Ractor — True Parallelism in Ruby 3 Without the Shared State Nightmare Ruby’s GIL — the Global Interpreter Lock — has been the punchline of many conversations about concurrency for a long time. The lock means that even with multiple threads, only one can execute
Rails Active Storage — File Uploads in Rails Without the Ceremony File uploads have a reputation for being one of those features that look simple and turn out to be a multi-day project. Pick a storage backend, configure credentials, handle direct uploads, generate variants,
Developer tips Contributing to Open Source — The Career Move Most Developers Overthink The phrase “contribute to open source” carries a weight it doesn’t deserve. Somewhere along the way it became synonymous with submitting a pull request to a major framework, getting accepted by Matz himself,
Ruby-code Sort An Array Of Hashes By Multiple Keys In Ruby Sorting a collection of hashes by a single key is straightforward, but sorting by multiple keys — primary sort by one field, secondary sort by another — requires a slightly different approach using
Ruby 3 Ruby 3.2's Data Class — Immutable Value Objects Done Right If you’ve been writing Ruby for a while, you’ve probably cobbled together something to represent simple value objects — a Struct, a frozen hash, maybe a plain class with an attr_reader and a
Rails Stimulus.js — Adding Interactivity to Hotwire Without a Frontend Framework Turbo handles navigation and real-time updates beautifully — page transitions, stream updates, frame replacement, all without writing JavaScript. But there’s always that next layer of requirement: a dropdown that opens and closes, a
Developer tips Writing in Public — How Developers Build Authority Without Becoming Influencers Most developers I know are suspicious of “building an audience.” It sounds like something that requires a ring light, a content calendar, and a willingness to perform enthusiasm for things you don’t actually
Ruby 3 Ruby's Fiber Scheduler — Concurrency That Actually Makes Sense Most Ruby developers have a complicated relationship with concurrency. Threads feel dangerous. Processes feel heavy. And the GIL — the Global Interpreter Lock — has been the villain in so many horror stories
