Nagi's Gems

#	Total Rank	Daily Rank	Name	Summary
1	49,596	32,169	findaface	This gem attempts to discern whether an image contains any faces. Depends on OpenCV.
2	50,811	60,419	wp-hmac	Enable different HMAC keys on different routes / subdomains.
3	75,903	104,140	safe_env	This gem defines one proceedure `SAFE_ENV` which works like `ENV` with one important di...