aviflombaum/gist:13543

## gistfile1.rbx
  # Will yield sets of size, useful when you have to iterate over large sets
  # if you have an array of 50k elements, running .each is slow.
  def in_blocks_of(s)
    (1..(self.size/s)).each{|i| yield self[((s)*(i-1))...((s)*i)]} and yield self[((self.size/s)*s)...self.size]
  end
	# Will yield sets of size, useful when you have to iterate over large sets
	# if you have an array of 50k elements, running .each is slow.
	def in_blocks_of(s)
	(1..(self.size/s)).each{\|i\| yield self[((s)(i-1))...((s)i)]} and yield self[((self.size/s)*s)...self.size]
	end