bus
cached
gem redis
$ redis-server
heroku redis:cli
SET key value # store a singular key and give it a value GET key # retrieve its value INCR key # add one to key value, should be an integer. Atomic! DECR key # delete one from key value EXPIRE key seconds # key will cease to exsit `seconds` later RPUSH key value # Append value to list LPUSH key value # Prepend value to list LPOP key # Remove first value RPOP # Remvoe last value SADD key value # Add value to set SREM key # Remove value from set SISMEMBER key value # Is value a member of set SUNION key1 key2 # Get union of two sets ZADD key score value # Add value with score to sorted set HSET hashname hashkey value # Add entry to hash HHET hashname hashkey # Retrieve a value from hash