This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
I am looking to develop an Application on GAE Java infrastructure. Its a large application but I am looking to solve
Communication between Peer to Peer ie Browser to Browser
Goal : When a user draw a line on HTML 5 canvas, it should get updated on the canvas of the other user who is watching it.
There will be one writer and multiple watchers, who only see the changes that writer is making. ( This is business logic )