def first(self, columns=None):
        self._query.take(1)

        results = self.get(columns)

        if len(results) > 0:
            return results.first()

        return
LU factorization.
dataset/ETHPy150Open sdispater/orator/orator/orm/relations/belongs_to_many.py/BelongsToMany.first--crossover with--dataset/ETHPy150Open lebedov/scikit-cuda/skcuda/cula.py/culaDeviceCgetrf