Sooner or later (probably sooner), you'll load the wrong version of a class from a place you aren't even thinking about and waste hours debugging.
您迟早(通常很快)会在您想都想不到的地方加载类的一个错误版本的类并会为此付出大量的调试时间。
It can also be used in some cases as a useful debugging tool: some Linux (or at least UNIX) utilities (and even daemons) do not display error messages, only the errno value.
在有些情况下，它还可作为有用的调试工具使用：有些Linux(至少是UNIX)实用程序(甚至是守护程序)不显示错误消息，而只显示errno值。
A hardware debugging tool that can be used to capture the logic levels (0 or 1) of dozens, or even hundreds, of electrical signals in real-time.
一种硬件调试工具，能捕获实时电信号的许多逻辑电平(0或1)，逻辑分析仪在调试硬件问题和复杂的处理外设交互时相当有用。
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