title: Delete duplicate entries from a select box
body: <p>How would I, using jQuery, remove the dups</p>
  
  <pre><code>        &lt;option value="English"&gt;English&lt;/option&gt;
          &lt;option value="English"&gt;English&lt;/option&gt;
          &lt;option value="English"&gt;English&lt;/option&gt;
          &lt;option value="Geology"&gt;Geology&lt;/option&gt;
          &lt;option value="Geology"&gt;Geology&lt;/option&gt;
          &lt;option value="Information Technology"&gt;Information Technology&lt;/option&gt;
          &lt;option value="Music"&gt;Music&lt;/option&gt;
          &lt;option value="Music"&gt;Music&lt;/option&gt;
          &lt;option value="Zoology"&gt;Zoology&lt;/option&gt;
  </code></pre>