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Usually when you know why it's not working, it's obvious what you have to do to make it work.
通常你明白了出错的原因后，很明显你必须让程序正常运行起来。
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Or, if something goes wrong, trying to think of, you know, what can be learned out of it.
或者是，什么东西出错了，我就试着，想一想可以从中学到些什么。
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That's how it works because at the end of the day, when everybody is against you, everybody sort of stumbles.
就是这个道理，因为从长期来讲，当别人都和你决策不同时应该是他们都出错了。
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If the program works right here's what people said, 81% said pneumonia, 15% malaria, 2% cancer, and 2% heart disease.
如果程序没出错,你们的选择是这样的,81%选了肺炎,15%疟疾,2%癌症和2%心脏病
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And I end up going back and doing unit testing anyway, to try and figure out why it doesn't work. So over the years, I've just convinced myself I might as well start where I'm going to end up.
第一次从来不会正常运行,因此无论如何我还要回头去做单元测试,找找哪儿出错了，因此经过这么多年，我已经说服自己既然一定要做单元测试,那么还是一开始就做最好了。
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And that we need to see your work to get full credit, and then especially if you get things wrong, we need to know where it went wrong.
我们需要看到这些才能给你所有分数，尤其是当你出错的时候，我们需要知道是哪里错了。
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Why 1? It's arbitrary, but it's anything other than zero so I just exit because something went wrong and this program is just going to bail.
为什么是1？这是任意的，但它是非零的,因为出错了，我退出程序,然后这个程序就释放了。
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Aha. It's gone wrong.
让我们把它放在这儿，啊，出错了。
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Only the operating system has controlling of byte zero NULL in the computer's RAM and so if a function ever returns null, aka zero, well, something must have gone wrong because that can't possibly belong to me that memory because by human convention zero is owned by the operating system; not by a program I wrote.
只用操作系统在内存中能够控制,字节0，并且如果一个函数返回，或者说0，好的，可能出错了,因为那可能是不属于我的内存,因为惯例上，0是由操作系统拥有的,而不是由我的程序拥有的。
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You caught me making an error.
你发现我出错了。
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NULL If a get string returns null, that pretty much means something went wrong and there are a few things that could go wrong.
如果GetSting返回，大致上表示的是出错了,这里有几种出错的地方。
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