imatix/zguide — pull request #351 by alakra (2013-08-21 15:20:32+00:00)
Title: Updated identity check example to use correct method when sending a message

The correct method in the latest version of the `ffi-rzmq` gem used to send a message via a socket is `#sendmsg`.

See http://rdoc.info/gems/ffi-rzmq/ZMQ/CommonSocketBehavior#sendmsg-instance_method for more info.