title: Order a collection as DESC
body: <pre><code>&lt;%= render :partial =&gt; 'event', :collection =&gt; @events.sort_by(&amp;:event_at)%&gt;
  </code></pre>
  
  <p>This code shows a collection ordered as ASC, but i want to order this collection as DESC. </p>
  
  <p>How can I achieve this?</p>