However, one soft drinks firm in the Midwest is keeping old school tradition alive by continuing to sell its products in returnable glass bottles.
Forgetting releaseLock() permanently breaks the stream. The locked property tells you that a stream is locked, but not why, by whom, or whether the lock is even still usable. Piping internally acquires locks, making streams unusable during pipe operations in ways that aren't obvious.
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Sebastian Crane
用产品经理的心态对待咖啡，不断迭代好喝的咖啡。公众号：咖啡平方
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