There were times, I used C as default programming language for almost all applications I had to implement, even web via CGI.
Then was Java because it’s cool and easy, then C# because of Visual Studio comfort, then python.
Today I use iced version of CoffeeScript under nodejs but run up to jump into Scala and even ready to burn bridges.
Anyway, it looks like C is the programming language that is always with you.

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If you have some flash application talking to back-end via TCP, then it would be useful for you to launch special cross domain policy server on 843 port:

sudo bash -c “exec nohup setsid node policy_server.js 0<&- &”

// policy_server.js
var server = require(“net”).createServer(function(socket) {
    socket.on(‘error’, function(err) {});
    socket.end(‘<cross-domain-policy><allow-access-from domain=”*” to-ports=”*”/></cross-domain-policy>’);
});
server.on(‘error’, function(err) {});
server.listen(843);