title: How to convert an array of Objects to array of Hashes?
body: <p>My current array of object "sum" is:</p>
  
  <pre><code>[{"sum":{"key1":0,"key2":"2014","key3":0,"key4":"8","key5":0,"key6":"0","key7":0}},
   {"sum":{"key1":0,"key2":"2014","key3":0,"key4":"12","key5":0,"key6":"1","key7":0}}]
  </code></pre>
  
  <p>The target is:</p>
  
  <pre><code>[{"key1":0,"key2":"2014","key3":0,"key4":"8","key5":0,"key6":"0","key7":0,
   {"key1":0,"key2":"2014","key3":0,"key4":"12","key5":0,"key6":"1","key7":0}]
  </code></pre>