title: Dynamic UITableViewCell height with lazy loading of images in cell
body: <p>I have a UITableview which showing Facebook news feed. There are some images in each news feed with different size. So i have to load these images lazily and at same time , i have to set the cell height according to the image height(which are not loaded when callling heightForrowAtIndexPath). </p>
  
  <p>The problem is i don't have the image width and height if its not downloaded.So how to set cell height according to the images in that cell ? I googled a a lot .Lazy loading examples showing only images with fixed size.Please help me..Thanks in adavence. </p>