Tbh I had no idea this was even a thing until recently. I've been working with Rails for a while now and somehow never came across it. So let me explain it the way I understood it. You know how we normally do associations in Rails, User has many Posts, Post belongs to User. Two different models, two different tables. Simple. But what if a model needs to reference itself? Like same table, same mode
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Why I built another Ruby test runner inspired by Playwright Test Ruby already has great testing tools. If you are building Rails applications today, you probably use one of these combinations: RSpec + Capybara Minitest + Capybara Rails system tests Maybe Selenium, Cuprite, Ferrum, or Playwright through Ruby bindings These tools are mature, battle-tested, and widely used. So the natural question
We are living in the golden age of developer productivity. With tools like Copilot and ChatGPT, you can generate hundreds of lines of boilerplate and complex API endpoints in seconds. It feels like magic. But there is a hidden danger lurking behind that flashing cursor: If you don't possess foundational architectural knowledge, AI will just help you build a Big Ball of Mud faster than ever before.