W-masahiro's Gems

#	Total Rank	Daily Rank	Name	Summary
1	3,219	610	sin_lru_redux	Efficient and thread-safe LRU cache
2	173,777	17,963	sin_fast_blank	Check for blank string faster than FastBlank or ActiveSupport
3	179,770	24,565	sin_deep_merge	Merge deeply nested hashes faster than DeepMerge or ActiveSupport