Maraigue's Gems

#	Total Rank	Daily Rank	Name	Summary
1	9,989	6,449	multiset	Unlike ordinary set(see Ruby documentation for "set" library), multiset can contain two...
2	43,008	63,488	devnull	Ruby implementation of null file (like /dev/null on Un*x, NUL on Windows)
3	83,189	90,740	pebbles-nyarucode	To convert a ruby code into "U-! Nya-!" ruby code (from "Haiyore! Nyaruko-san")