SocketIO- GET http://localhost:3000/socket.io/?EIO=3&transport=polling&t=1418187395022-0 404
Ifyou'rerunningExpress4,itappearstomelikeyou'remissingthelinesofcode:varapp=express();varserver=app.listen(3000);Thatwillstartyourwebserverandsetittoport3000.SeethebonesimpleExpress4apphere:http://exp