s="line-numbers-rows"><a href="#C3_L1" id=C3_L1></a><a href="#C3_L2" id=C3_L2></a><a href="#C3_L3" id=C3_L3></a><a href="#C3_L4" id=C3_L4></a><a href="#C3_L5" id=C3_L5></a><a href="#C3_L6" id=C3_L6></a><a href="#C3_L7" id=C3_L7></a><a href="#C3_L8" id=C3_L8></a></span></code></pre>
<p>To get around these problems, you should make use of <a href="https://api.emberjs.com/classes/Ember.run.html#method_once"><code>Ember.run.once()</code></a>.
This will ensure that any processing you need to do only happens once