Mfowler's Gems

#	Total Rank	Daily Rank	Name	Summary
1	101,176	56,732	damm32	An implementation of the Damm checksum algorithm in Ruby
2	165,692	105,740	range_classifier	Because sometimes you need a width as well, and this gives you that.
3	171,160	105,740	microjoin	Microjoin handles left, right, inner, and outer joins. It operates on hashes; no error ...