Mfowler's Gems

#	Total Rank	Daily Rank	Name	Summary
1	104,967	146,171	damm32	An implementation of the Damm checksum algorithm in Ruby
2	160,404	115,123	range_classifier	Because sometimes you need a width as well, and this gives you that.
3	165,549	146,171	microjoin	Microjoin handles left, right, inner, and outer joins. It operates on hashes; no error ...