title: How to emit data to specific socket id in socket.io?
body: <p>I'm using socket.io for building the real-time dashboard,</p>
  
  <p>I want to send data to each connection as separate, </p>
  
  <p>How to achieve this functionality in node.js using socket.io?</p>
  
  <pre><code>io.emit('someEvent', {data: 'data'});
  </code></pre>