title: How to stop performing selector?
body: <p>Im trying to figure out how to stop performing a selector</p>
  
  <p>I can start one by doing this</p>
  
  <pre><code>            [self performSelector:@selector(vibe)];
  </code></pre>
  
  <p>But im trying to figure out how i can stop one.</p>
  
  <p>Any help would be very much appreciated..Thanks! </p>