@abc.abstractmethod
    def _create_link(self, src_path, dest_path, transaction):
Sample n times with probability of success prob for each trial,
dataset/ETHPy150Open openstack/taskflow/taskflow/persistence/path_based.py/PathBasedConnection._create_link--crossover with--dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/tensor/raw_random.py/binomial