title: How to get the cell object in tableView:(UITableView *)tableView heightForRowAtIndexPath function?
body: <p>I wand to know the content of the cell when returning the heightForRowAtIndexPath. In this function how do I get the cell object?</p>
  
  <pre><code>- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
  
  }
  </code></pre>
  
  <p>If I try this </p>
  
  <pre><code> [tableView cellForRowAtIndexPath:indexPath]
  </code></pre>
  
  <p>it fails and goes off in an infinite loop.</p>
  
  <p>Any idea?</p>