Loading classes from strings in Ruby
When working with Ruby, every once in a while you'll find yourself messing with a bunch of strings which are the names of classes. Given these strings, you'll need to go and instantiate the appropriate classes - something like taking "Array", "File" or "Booga" and figuring out how to call Array.new, File.new or... well, you get the picture. If you're wondering when you'd ever need this, just try i
Ruby blocks gotchas
New to blocks in Ruby? RubyMonk has chapters covering both introductory topics as well as more detailed lessons on blocks. Do try them out! There's this thing they say about Ruby - everything is an object. It's true, with very few exceptions, one of them being the block. Well guess what, this little gem of an inconsistency came back to bite me when I was trying to do something involving dynamic re
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Object Oriented and Functional: Is there a middle ground?
