#many? uses count instead of select - a bit faster

activesupport/lib/active_support/core_ext/enumerable.rb

@@ -96,7 +96,7 @@ def index_by
   # Returns true if the collection has more than 1 element. Functionally equivalent to collection.size > 1.
   # Can be called with a block too, much like any?, so people.many? { |p| p.age > 26 } returns true if more than 1 person is over 26.
   def many?(&block)
-    size = block_given? ? select(&block).size : self.size
+    size = block_given? ? count(&block) : self.size
     size > 1
   end