Monkey Patching in Rails 3

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The initializer directory is a good place to collect all those little scraps. Since I tend to go a bit overboard with core extensions, I like to make a folder there called “extensions” and toss them all in there.

So, try /config/initializers/string_extension.rb, or /config/initializers/extensions/string.rb, or something similar. Either way, you can just forget about them afterward – Rails will require them for you, so you don’t need to do it yourself.

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