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elim/2008-11-30-123420.rb

Created November 30, 2008 03:35
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2008-11-30-123420.rb
%w[abc abc foo def foo ghi].inject(Hash.new(0)){|s, v|s[v] += 1;s}.tap{|h| p h.select{|k,v| v == h.values.max}}
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