title: Adding a dev mode
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1396848/how-to-implement-maintenance-mode-on-already-established-website">How to implement “Maintenance Mode” on already established website</a>  </p>
  </blockquote>
  
  
  
  <p>I realize it's not advised but what "quick and dirty" approach could be used to do maintenance changes to a web site such that are hidden from public view ?</p>
  
  <p>Edit: To add more detail, the stuff I want to hide is what's being developped. The existing or established content should still show as if the site were live.</p>