def value_to_db_datetime(self, value):
        if value is None:
            return None
        return six.text_type(value)
Solve positive definite linear system with Cholesky factorization.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/backends/__init__.py/BaseDatabaseOperations.value_to_db_datetime--crossover with--dataset/ETHPy150Open lebedov/scikit-cuda/skcuda/cula.py/culaDeviceCposv