Redis in Practice: Who's Online? Using Redis to implement a “which of your friends are online now” feature, by maintaining a set of active user IDs for every minute, then intersecting the past five minutes of user IDs with a set containing the IDs of your friends.
You have shed a ray of sunisnhe into the forum. Thanks!
Kelli - 8th October 2011 22:18 - #
Grazi for mikang it nice and EZ.
Kassi - 10th October 2011 03:16 - #
James - 13th October 2011 15:42 - #
Jacky - 14th October 2011 22:01 - #