def key(self):
    # TODO: Cache this?
    return BlobKey(self._key.id())
Computes loss and its derivatives.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/ndb/blobstore.py/BlobInfo.key--crossover with--dataset/ETHPy150Open nitishsrivastava/deepnet/deepnet/sparse_coder.py/SparseCoder.GetLoss