How to stop NSOperation performance
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/4969168/nsoperation-performance">NSOperation performance</a>  </p>
</blockquote>



<p>Hello Everybody,
                  In my application for server side running i think to use NSOperation..But I have little confusing  about how to handle the NSOperation and about how to stop it...
Any Ideas about these? </p>
