如果stat抛出一个异常且属性码是2，则说明远程目录不存在。我们则需要创建它并设置正确的权限。
If stat throws an exception with property code equal to 2, the remote directory doesn't exist so we create it, assigning it the correct permissions.
通过抛出ClassNotFoundException，类装入器提示，定义类时所需要的字节码在类装入器所查找的位置上不存在。
By throwing a ClassNotFoundException, the class loader informs you that the bytecode required to define the class is simply not present in the locations where the class loader is looking for it.
答：因为很多快餐店已经采纳了“量大的就是好的”这一观点，原来的小份、中份和大份的菜码已经不存在。
Since many fast food restaurants have adopted the "bigger is better" attitude, classic small, medium, and large sizes are no longer available.
你接受治疗也已经够久了，应该懂得根本不存在特效药这码事。
You have been in treatment long enough to know there is no overnight cure.
虽然测试会出现在设计工具中，但您无法执行测试，因为其程序码已不存在。
Although the test appears in the designer, you cannot run the test because its code is no longer present.
编译器可能会不正确地辨识原来撰写的程序码中不存在的错误行，而不是正确辨识作者程序码中发生错误的行号。
Instead of correctly identifying the line of the author's code where an error occurred, the compiler may incorrectly identify an error line that doesn't even exist in the original authored code.
编译器可能会不正确地辨识原来撰写的程序码中不存在的错误行，而不是正确辨识作者程序码中发生错误的行号。
Instead of correctly identifying the line of the author's code where an error occurred, the compiler may incorrectly identify an error line that doesn't even exist in the original authored code.
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