(Murphy's computers Laws)

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1。Any given program, when running, is obsolete.

所有程序，开始运行时，已经过时了。

2。If a program is useful, it will have to be changed

如果一个程序有用，它还要被修改。

3。If a program is useless, it will have to be documented

如果一个程序没用，它就要做文档了。

4。Any given program will expand to fill all the available memory.

所有程序都会扩展到占满内存。

5。Program complexity grows until it exceeds the capability of the programmer who must maintain it.

程序的复杂性要一直增长到程序员无法控制为止。

似懂非懂.............