title: Add items to columns in QStandardItemModel
body: <p>I am currently adding rows to my <code>QTableView</code> as such</p>
  
  <pre><code>QStandardItem* itm;
  QStandardItemModel* model = new QStandardItemModel(this);
  model-&gt;setColumnCount(2);
  model-&gt;appendRow(new QStandardItem("Some Text in Column1");
  </code></pre>
  
  <p>How do I add items to column 2 dynamically by appending?
  In the above example column 2 is empty. How do I add item to column 2?</p>