title: How to force Zingchart to refresh
body: <p>We use socket library to download data from our service. I am doing the following the send this data to zingchart (after massaging of data):</p>
  
  <pre><code>myChart.series[0].values.push([xVal, yVal]); // index 0 is hard coded for demo
  </code></pre>
  
  <p>The charts don't refresh though. We would like them to feel like real-time.</p>