each time you flush 你每冲一次
To determine risk, doctors can ask their patients two simple questions. First, do you flush after drinking a glass of beer?
为了确定风险,医生可以问患者两个简单的问题。第一,你喝完一杯啤酒后会脸红吗?
This prevents two liters of water from being used every time you flush.
这样你每次冲水都可以节省两升水。
Make sure you flush the data after you're done writing an iteration; otherwise, it may be stuck in a buffer until the next iteration is written to the stream.
确保在执行写迭代后刷新数据;否则,它将滞留在缓冲区中,直到向流写入下一次迭代。
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