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
Hey dev.to! Maksim here again, author of the previous article "From Idea to MVP: Building a Classified Platform in Serbia" about Rsale.net, a classified platform for Serbia. In that post I described the stack: Next.js 15 + React 19 + ASP.NET Core microservices + AI translation. A few months later, the frontend has been fully rewritten on SvelteKit 2 + Svelte 5 (runes). The Next.js codebase is gon