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vijaydev/gist:766944

Created January 5, 2011 20:20
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gistfile1.txt
"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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