Reference

Network configuration

• Set your proxy

Rails server

• (How to kill rails process) rails server prot in use problem
• [Sometimes port not in use, still problem with start_tcp_server': no acceptor (RuntimeError) ] try with rvmsudo rails server thin -p 3000
• How to run server automatically tmux/screen

Rails testing reference

• Rails testing helper Chinese
• Rails testing helper English

Handle of Database

• db