title: QML TableView: Number formatting
body: <p>I have the following Table-View and the value role contains double values. How can I format the output so that it only shows a specified number of digits (or scientific notation)?</p>
  
  <pre><code>TableView {
      id: tableView
      x: 20
      y: 24
      width: 324
      height: 150
      model: myModel
      TableViewColumn {
          role: "name"
          title: "Name"
      }
      TableViewColumn {
          role: "value"
          title: "Value"
      }
  }
  </code></pre>