has_many :through - Symbols are not pretty strings
Symbols are one of the basic features of Ruby that give it that certain charm we all love. They aren't unique to Ruby (look at Smalltalk or Lisp), but they are a fundamental piece of the language. I'm not going to review what symbols are in this article since there are plenty of other explanations a short google away. However, I do want to say a few words about what I consider a common misuse of s
has_many :through - simple pages
Simple things should be simple, complex things should be possible. — Alan Kay Here's a tiny little tip for handling those boiler-plate pages that aren't part of your app's functionality but you usually need anyway. It's good for setting up about, contact, copyright, etc. You can always throw those pages into /public as static html files, but if you want them to get styled with layouts, they need t
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has_many :through - Extra geeky: the recursive lambda
