title: How to reapply directive when scope is changed in AngularJS
body: <p>Say you have something like this:</p>
  
  <pre><code>&lt;div mydirective&gt;
    {{boundtoscope}}
  &lt;/div&gt;
  </code></pre>
  
  <p>And you want mydirective to be applied on change of $scope.boundtoscope.  How do you direct Angular to reapply the directive?</p>