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
No Man's Sky advertises 18 quintillion planets. That is not because someone modeled them by hand. It is because the game generates terrain, flora, and atmosphere from mathematical functions seeded by the planet's coordinates. The core idea is procedural generation, and the simplest building block is noise. If you fill a height map with random numbers, you get chaos. Real terrain has smooth transit