title: Bind expressjs to a specific IP address
body: <p>How can i bind a expressjs server to a specific IP</p>
  
  <p>Something like</p>
  
  <pre><code>app.listen(8888, '192.168.0.101');
  </code></pre>
  
  <p>Equivalent to nodejs:</p>
  
  <pre><code>http.createServer(onRequest).listen(8888,'192.168.0.101');
  </code></pre>