def _get_buffer_size(self, buffer_size_sec=None):
        if buffer_size_sec is None:
            if 'buffer_size_sec' in self.info:
                buffer_size_sec = self.info['buffer_size_sec']
            else:
                buffer_size_sec = 10.0
        return int(np.ceil(buffer_size_sec * self.info['sfreq']))
Quick sort: not guarantee to be O(n lgn)
dataset/ETHPy150Open mne-tools/mne-python/mne/io/base.py/_BaseRaw._get_buffer_size--crossover with--dataset/ETHPy150Open algorhythms/LeetCode/148 Sort List.py/Solution.sortList