def moving_window(array, nrows):
    count = num_windows_of_length_M_on_buffers_of_length_N(nrows, len(array))
    for i in range(count):
        yield array[i:i + nrows]
Get a VRF based on prefix spec
dataset/ETHPy150Open quantopian/zipline/tests/pipeline/test_adjusted_array.py/moving_window--crossover with--dataset/ETHPy150Open SpriteLink/NIPAP/nipap/nipap/backend.py/Nipap._get_vrf