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OK. What happens if you actually have something that's both syntactically correct, and appears to have correct static semantics, and you run it?
好，当你的代码语法,没错误，并且也有正确的静态语义，你去运行它的时候会发生什么呢？
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All right. What do you do when you've found the bug and you need to fix it?
好了，当你发现错误并修改它们的时候,你该怎么做？记住一个古老的法则？
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Okay, you're right to shout out because I'm very-- I mean doing it on the board i'm very likely to make mistakes, but okay.
你大声说出来这点很好,我写板书的时候容易犯错误
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Better! So no error messages means success is probably what has happened.
好啦，错误信息消失了,这说明你编译成功了。
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Wrong time, good idea, put it on the shelf.
错误的时间，好的想法，还是搁置比较好。
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Well, you see iron. But this is misspelled.
好吧，你看到了铁，但它拼写错误。
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It would either say something like -I'm not going to do the words that they would have come up with, but they would have said, yeah that's a good place to go or don't do that, that's a terrible mistake.
这答案不外乎两种,我不会说他们的那种语言,但是他们的意思大概是,那是个好去处,或者别做那事儿,那是个糟糕的错误
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Right, it's a syntactic error, because it doesn't know how to deal with this.
好，这是个语法错误，这是因为计算机不知道怎么来解释着个。
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I was expecting to compare x- and y- values, not radius and angle.
噢，发生了什么？,好吧有错误了。
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All right. Why is it a static semantic error?
好，这为什么是个静态语义错误呢？
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I included the length, let me go ahead and compile this program called Holloway.c. No errors which means that's good.
我包含了那个长度，我们继续,编译这个Holloway，c程序,零错误，非常好。
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Let me show you one more class, though about-- sorry, let me show you two more classes of algorithms. Let's look at the next one g- and there's a bug in your handout, it should be g of n and m, I apologize for that, I changed it partway through and didn't catch it.
请大家看，额,在你们的课堂材料中有个错误,应该是g，很抱歉-,我改了一部分这个错误但是没看到这里的，好，这儿的增长率，有人想猜猜么？
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I really do love these things. And is that right, John? OK, so my apologies that your handout is wrong. I did not think to check about the difference between these things.
我真的很喜欢这些东西，这样对不对John？,好，抱歉你们的课堂手册上面是错误的,我没想要要去检查,这些东西之间的不同。
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So I guess I should go back, and let me do this correctly this way. Again, I can look at test, test and I guess test now if I want to get the element out-- angle bracket or square bracket?
但是这不是我想要的对不对？,我认为我该回到这里，让我改正这个错误，好，那么我还是对元组,那么现在我想从test中取出元素来？
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