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He's gorgeous, yes. But is his talent natural… or is it Ruby on Rails? I was recently on Jason Swett’s podcast again. He’s a great interviewer and I always have fun with him. By Twitter request we talked about… When would you not use Rails? It’s a great question. For the entertaining version, listen to the podcast. For the just-the-facts extra-complete version, I’m writing this post. When Is Rails

What turns URL params like http://site.com/people?name=bobo into { :name => "bobo" } in Ruby? And what turns extra-weird Rails or Sinatra params like /path?people[][name]=bobo&people[][first_love]=cheese into hashes and arrays? What the Hell is That? Googling “rails query param names with square brackets” doesn’t help much. And Rails doesn’t make it easy to find docs for this. So what’s going on w

Maybe an engineer you respect just told you to go learn about Rack — you won’t get better at Ruby web stuff until you know what’s underneath. Maybe you have to write a config.ru to use Heroku and you’re thinking, “what’s config.ru?”. Maybe you have a deep, nasty Sinatra bug and you’re having to dig into the Sinatra stack traces and stuff that might be failing is named “Rack”. Why “Rack”? Now what?