Thoughtfolder

Easy attribute assignment (in Rails)

Fri, 21 Mar 2008 17:34:39 -0500

Update: It seems like I reinvented Hash#slice which is already in the Rails API

Navigating nil (Method Chaining) in Ruby

Sun, 16 Mar 2008 10:17:59 -0500

Method Chaining is an important technique to create beautiful code in object oriented languages, but Ruby (the beautiful language, right?) does not support it as well as it should.

Real modules for Ruby

Tue, 11 Mar 2008 18:26:54 -0500

More specifically, Ruby doesn’t have real mixins (or interfaces or typeclasses if you like). But then what does a module mixin do? It modifies a class’s inheritance chain at runtime

(A Detailed Explanation of) Ruby’s Symbol#to_proc

Mon, 25 Feb 2008 20:04:26 -0600

Must people love a new feature in Ruby called Symbol#to_proc, but there are not many good explanations of it. The concept is actually fairly straightforward, but the Ruby implementation is fairly complex. The following is an explanation that assumes no knowledge of Ruby.