Mfowler's Gems

#	Total Rank	Daily Rank	Name	Summary
1	103,527	89,909	damm32	An implementation of the Damm checksum algorithm in Ruby
2	161,423	119,687	range_classifier	Because sometimes you need a width as well, and this gives you that.
3	166,728	164,381	microjoin	Microjoin handles left, right, inner, and outer joins. It operates on hashes; no error ...