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wilson/gist:174421

Created August 25, 2009 03:28
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gistfile1.rb
# > {:x => 4, :y => 7}.keys_sorted_by_value
# [:y, :x]
class Hash
def keys_sorted_by_value
to_a.sort_by {|tuple| rand - tuple.last.to_i}.map {|tuple| tuple.first}
end
end
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