title: presentModalViewController vs pushviewcontroller memory cosumption
body: <p>I have two method to jump from one viewcontroller to another</p>
  
  <p><strong>For presentViewController</strong></p>
  
  <pre><code>  [self presentModalViewController:view animated:YES];
  </code></pre>
  
  <p><strong>For pushViewControlle should use</strong></p>
  
  <pre><code>[self.navigationController pushViewController:view animated:YES];
  </code></pre>
  
  <p>Which Will be best approach ?</p>
  
  <p>Which will cause more memory leak?</p>
  
  <p>Which one is use if Our Design is like</p>
  
  <pre><code>Introduction view (bunch of slides )-&gt; login -&gt; signUp-&gt; HomeActivityScreen-&gt; Then Bunch of tab bar in it
  </code></pre>