./manage.py runworker --only-channels='websocket.*' --threads 10 daphne -u /home/ubuntu/apps/sparktw/conf/daphne.sock sparktw.asgi:channel_layer
#Every Page menu: ranking list(?) login/logout user profile *quiz list tutorial list(playground) about?
#Quiz Page quiz discription: title details: p(markdown?) testcase examples/demos
code submit form: language selector editor submit button
result message: p