19 Apr '12, 9pm

Learning new things every day. So Rails has this super helpful enumerator group_by():

Returns true if the enumerable has more than 1 element. Functionally equivalent to enum.to_a.size > 1. Can be called with a block too, much like any?, so people.many? { |p| p.age > 26 } returns true if more than one person is over 26.

Full article: http://api.rubyonrails.org/classes/Enumerable.html#method...

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