title: Searching into an array of NSManagedObjects
body: <p>Suppose I have already retrieved an array of managed objects (an array of <code>Car</code> objects).  Lets say a <code>Car</code> has attributes like <code>make</code> and <code>model</code>. <code>Car</code>s are currently in an <code>NSArray</code>.</p>
  
  <p>How can I find all cars with <code>honda</code> value for <code>make</code> attribute?   </p>