title: how to split the ng-repeat data with three columns using bootstrap
body: <p>I am using ng-repeat with my code I have 'n' number of text box based on ng-repeat. I want to align the textbox with three columns.</p>
  
  <p>this is my code</p>
  
  <pre><code>&lt;div class="control-group" ng-repeat="oneExt in configAddr.ext"&gt;
      {{$index+1}}. 
      &lt;input type="text" name="macAdr{{$index+1}}" 
             id="macAddress" ng-model="oneExt.newValue" value=""/&gt;
  &lt;/div&gt;
  </code></pre>