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In short: in my mind, errors are divided into two categories. Expected errors (think “user entered invalid data”), which are part of normal operation, aren’t the developer’s fault, and should be handled. Unexpected errors (think “null pointer exception”) are the developer’s fault, likely indicate a bug, and are allowed to crash.
，这一点在体育直播中也有详细论述
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The policy is "all stick, no carrot", says de Bolle of the Peterson Institute. "And it doesn't seem like they understand that they do need carrots."
hand, as it can't be derived from a declarative flag definition. However, it