Sorted:

Erlang – checking for unbound variables-Collection of common programming errors

problem about undef-Collection of common programming errors

problem about tsung-Collection of common programming errors

problem about long-polling-Collection of common programming errors

problem about fsm-Collection of common programming errors

Erlang supervisor tree terminating-Collection of common programming errors

Erlang application undef error (exited: {bad_return,)-Collection of common programming errors

problem about dsl-Collection of common programming errors

Simple chat system over websockets with reconnection feature-Collection of common programming errors

Getting DynamoDB working from Erlang-Collection of common programming errors