some basic examples about web realtime communication
use Ajax longpolling to build a simple chat example
for more information, please refer to http://www.cnblogs.com/wilber2013/p/4783821.html
use WebSocket to build a simple chat example
- client side need browser support
- server side need to install gevent-websocket
for more information, please refer to http://www.cnblogs.com/wilber2013/p/4792788.html
use SocketIO to build a simple chat example
for more information, please refer to http://www.cnblogs.com/wilber2013/p/4814838.html