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Because this is a theological conjecture, I think we're shocked by what is almost the heretical daring of what this brother has just said.
因为这是一个神学猜想,我想我们是被刚才大哥说的异常大胆的话震惊了。
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The exception is right there. It's an index error, that is it's trying to do something going beyond the range of what this thing could deal with.
但他事实上抛出一个异常，异常就在这里，这是一个下标错误,它是试图去取超出范围的元素造成的。
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He noticed that the pigeons started behaving in strange ways and he kept them separate so they couldn't learn from each other.
他发现鸽子行为异常,举止乖张,他把鸽子分开拘禁,使它们不能沟通
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It could sound strange or look unusual in the case of a sign language.
比如说手语看上去会很奇怪或是异常
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This is a vitriolic tirade, and it gets ugly.
这是一场刻薄的长篇大论，并且变得异常丑陋。
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And very often,it's the outliers, the differences that are the most interesting.
很多时候，这个异常值，这些差异最有趣。
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In its closing stretches, some fairly unusual biological processes kick in.
在它的末期,一些异常的生物学过程介入
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He had done a terrible thing and there he stood forever with his feet in the water below, and above him a tree with grapes hanging down, and dying of thirst.
他做了坏事,被惩罚永远站在水中,头上是一棵挂满葡萄的葡萄树,他口渴异常
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and it was a very very tough period.
那段时间真是异常艰辛。
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You could have good humours and you could have bad humours and if those humours, whatever they are, got out of balance then you got sick if you had too many bad ones compared to good ones.
你可以有正常的体液,也可以有异常的体液,如果这些体液,不管体液究竟为何物,当体液失衡,你就会生病,即在异常体液比正常体液多时就会生病
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Now there are two types of diabetes, as you may know, there's Type I Diabetes which is a genetic abnormality that usually shows up in childhood or adolescents where people are dependent on insulin.
你们可能知道,糖尿病有两种类型,Ⅰ型糖尿病是由基因异常引起的,在儿童和青少年中较为多见,患这种病需要长期依赖胰岛素
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I am at the point of believing," he says, "that my labor will be as useless as the commonwealth of Plato," he says in a moment of sort of uncharacteristic despair, "will be as useless as the commonwealth of Plato."
我就快相信，自己所做的这一切都将是无用功,就像柏拉图所建立的理想国一样,他曾异常绝望地这样说，就像柏拉图的理想国一样毫无意义“
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OK, so far though, I've just shown you what happens inside a peace a code. It raises an exception. It goes to that accept clause. We don't have to use it just inside of one place.
好了，我已经给你们看了,代码内部发生了什么,它报了一个异常，然后就到了处理的片段,我们不该就在一个地方用它。
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I'm going to throw it, or raise it, to use the right term to somebody in case they can handle it, but it's a particular kind of exception I might do something like, remind you I have test.
编译器就要抛出他或者提出它,用正确的描述给某个人来处理,但他的确是一种异常,我来做些类似的事情，告诉你我有些测试。
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What does that say? It says if in the code up here I get an exception of that sort, I'm going to go to this place to handle it.
这意味着如果在代码中,我得到一个这样的异常,我能到这里来处理它。
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People have attention anomalies, so they don't go out and see all the information and if you don't put it up front, then they'll never find it.
前面提到过注意力异常这一点,因此或多或少,人们会被蒙在鼓里,如果你不公布消息,他们永远不会知道
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But there are also outliers.
但也有少数的异常值。
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So it passes it back, past this exception, up to this level, which gets to that exception.
所以它过去了,把异常传到能够接受它的上层。
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Now what I'm going to try and do is read in a set of values, but I'm going to give a type of value as well as the messages.
现在我要做的是输入一些值,并关注异常,我会输入消息以及一种其他的值。
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This latter skill, by the way, is incredibly valuable.
顺便提一句，第二个技能是异常宝贵的。
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Notice though what I've done. Open, a particular kind of exception called I O error.
不过还是看看我们做的，这里我们并没有把异常报做io错误。
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We'll get to exceptions in a second.
过一会儿会收到异常报告。
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The format is the same. I'm going to ask for some input, and then I am going to use that procedure to check, is this the right type of value. And I'm trying to use that to do the coercion if you like. Same thing if it works, I'm going to skip that, if it not, it's going to throw the exception.
格式是一样的，我需要一些输入,然后我要用一个过程来检查,是否是正确的值,然后你就可以做强制转换了,如果能运行，那是一样的，我打算跳过这段，如果不正确，那就会抛出一个异常。
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When we're just interacting with idol, with the interactive editor or sorry, interactive environment if you like, that's what you expect. What's happening is that we're typing in something, an expression it doesn't know how to deal. It's raising the exception, but is this simply bubbling up at the top level saying you've got a problem.
就发生了其中之一是吧，当你在交互数据处理或者是在交互编辑器，抱歉，任何你喜欢的交互式环境中，你可能会遇到这些，如果你在输入什么内容,譬如一个它不知道怎么处理的表达式,它就会报一个异常,但这是否是简单的,把你遇到的问题冒到最顶层呢？
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So the exceptions are useful when you want to have the ability to say, I expect in general this kind of behavior, but I do know there are some other things that might happen and here's what I'd like to do in each one of those cases. But I do want to make sure that I don't let a value that I'm not expecting pass through.
所以当你希望有能力说,我希望一般是这样的行为,异常是很有用的,但是我明白还有一些其它的情况可能发生,我希望对每一种情况都这么做,但是我跟希望能保证,没有让一个预期之外的情况漏过去。
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Everyone agrees that the epic similes in Paradise Lost are different from the epic similes in any other epic poem, and everyone agrees - I'm just going to be presenting to you a sense of critical consensus here - everyone agrees that the similes are in some way absolutely essential to an understanding of this remarkable poem.
大家都同意中的诗意明喻,是和其他诗中的有所不同的，这是共识,-我将要向大家说明这一点,关于这点大家有决定性的共识,-大家都同意这些明喻某种程度上对于,理解这种异常卓越的诗是必然很重要的。
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So, summarizing better, assert is something you put in to say to the user, make sure you're giving me input of this type, but I'm going to guarantee you the rest of the code works correctly. Exceptions and exception handlers are saying, here are the odd cases that I might see and here's what I'd like to do in those cases in order to try and be able to deal with them.
所以更好的总结下,断言就是你放在那里告诉用户,保证你输入的是这种类型的,但我能保证剩下的代码运行正确,异常和异常处理做的事,这里有些我能预期的异常情况,并且这里有些情况,我能尝试处理。
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As we saw by thinking about the abnormal case, these things can come apart and we can have Phase D.
在异常的案例中，这两者可能会分开，就如D阶段。
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Last thing to say is why would you want to have exceptions? Well, let's go back to that case of inputting a simple little floating point.
最后要讲的是为什么有异常处理？,回到输入一个简单的小浮点数的例子,如果我期望主要是。
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I'm much better having an exception get handled at the time of input than to let that prop -- that value rather propagate through a whole bunch of code until eventually it hits an error 17 calls later, and you have no clue where it came from.
不是我期望的格式,这时我最好有一个异常处理,而不是让其传下去,这个值传到代码的整个分支,最终会导致一个错误17调用的发生，并且你不知道这个错误是哪里来的。
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