title: Rails: Reconstructing ActiveRecord Objects from a JSON array
body: <p>I have a JSON array with ActiveRecord objects. These objects can be reconstructed using the from_json method, which every AR object has. However with from_json it's only possible to reconstruct one single object.</p>
  
  <p>To process an array, I could of course just extract substrings from the JSON array and create every object from it's own substring in a loop or so. However I'm wondering if there is a better way to do this, without string manipulation involved.</p>