I would like to use OpenCV in my Erlang application. One solution would be to write an Erla开发者_StackOverflow中文版ng port etc., but I\'m sure it has been done before.
so i\'m trying to send udp packet to a listening port on a computer which is not connecte开发者_开发问答d to the same LAN but has internet access via gen_udp in erlang.
When calling shell scripts from Erlang, I generally need their exit status (0 or something else), so I run them using this function:
What happens when the process which owns a spawned port dies and is restarted by the supervisor? 开发者_运维问答
Erlang-sqlite3 uses a port driver to connect with the SQLite database, and receives messages from the port:
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