gistfile1.html

 <section ng-controller="PanelController as panel">
          <ul class="nav nav-pills">
            <li ng-class="{ active: panel.isSelected(1) }">
              <a href="" ng-click="panel.selectTab(1)">Angular</a>
            </li>
            <li ng-class="{ active: panel.isSelected(2) }">
              <a href="" ng-click="panel.selectTab(2)">Rails 3.2-4.0</a>
            </li>
            <li ng-class="{ active: panel.isSelected(3) }">
              <a href="" ng-click="panel.selectTab(3)">RSpec for Rails</a>
            </li>
            <li ng-class="{ active: panel.isSelected(4) }">
              <a href="" ng-click="panel.selectTab(4)">Testing for Rails</a>
            </li>
          </ul>
         <div class="panel" ng-show="panel.isSelected(1)">
           <h4>Angular</h4>
         </div>
         <div class="panel" ng-show="panel.isSelected(2)">
           <h4>Ruby on Rails</h4>
         </div>
         <div class="panel" ng-show="panel.isSelected(3)">
           <h4>RSpec</h4>
         </div>
         <div class="panel" ng-show="panel.isSelected(4)">
           <h4>Testing</h4>
         </div>
       </section>