Created
January 5, 2011 20:20
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Ruby
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| "ensure" makes sure code is run regardless of begin-rescue outcome. (equivalent of Java finally) | |
| Pass a number parameter to Array#first and Array#last to get the first n or the last n values. | |
| http://rubyquicktips.tumblr.com/post/870337608/grep-anything-from-your-enumerables |
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