title: How to programmatically disable browser caching
body: <p>I have question regarding disabling browser caching. I have already found few solutions, and just want to know if there are better or more common approaches. So I have GWT applications and in order to disable cashing I may use next options:</p>
  
  <ol>
  <li>Adding to URL dummy parameter</li>
  <li>Putting on the HTML page <code>&lt;meta http-equiv="pragma" content="no-cache"&gt;</code></li>
  <li><p>Setting HTTP headers:  </p>
  
  <pre><code>header("Pragma-directive: no-cache");  
  header("Cache-directive: no-cache");  
  header("Cache-control: no-cache");  
  header("Pragma: no-cache");  
  header("Expires: 0");
  </code></pre></li>
  </ol>