Amol Udage questions

Amol Udage answers

• EventMachine: "`start_tcp_server': no acceptor (port is in use or requires root privileges)"
• How to embed/mount existing Rails app into another Rails app?
• Order a collection as DESC
• Rails 5 Address already in use - bind(2) for "127.0.0.1" port 3000
• Eventmachine start_tcp_server no acceptor - port is in use or requires root privileges (RuntimeError)
• Ruby Convert String to Hash
• EmberJS - sharing a controller / template for different routes
• In Ruby, how do I find out if a string is not in an array?