Suppose I want to do little piece of code that's going to do planar geometry, points in the plane.
好,因此我需要一些,把这些东西收集到,一起的一些方式。
Alright, and all the rated X and all the pornography and all of that, that was everywhere
好吧,所有限制级影片和色情作品,所有的这类东西都曾在这里泛滥成灾。
So this is a thing, Week Number Four, saw very commonly, which was -- this is something we saw commonly and there's a couple of issues here.
所以这是一件事,第四个,一般的分解,那是我们讲解的东西,这里有好几个问题。
And then maybe I raise the temperature to whatever, room temperature, maybe 20 degrees hotter than room temperature. And I again say OK, now how much heat do I need to raise this thing's temperature by 1 degree?
我可能把温度升到,比如室温,或者比室温高20度之类,然后我再说,好,现在要把这个东西的温度,升高一度需要多少热量?
Things are either pleasant or unpleasant. The good, on the contrary, - is the way in which our cognitive and moral faculty-- which Kant calls "the reason"--understands things.
事情总是有好有坏,但只有好的东西才能被我们的,感官和道德感-,也就是康德笔下的“理性“,所认知。
All right.Once we have them, we want to start making combinations out of them.
好,一旦有了这两个东西,我们就可以开始做他们的组合了。
Your more general"-- He says, "Okay. I'll respond to those sentence-level things."
你说得太模糊笼统了“,他说,“,我来回答一些字面意思的东西好了,“
They're good because of what they lead to.
好是因为它们衍生出的东西。
Things that actually work, good stuff.
行之有效的好东西。
and a lot of that has been cleaned up which I think is a good thing.
很多这类的东西都被清理了,我认为这样很好这是件好事。
There was an edge to them, as if the whole thing could collapse on their heads.
但他们总能把握好分寸,好像在担心什么东西,垮下来的话会压死他们似的
We are accustomed to thinking of insurance as a good thing.
人们已经习惯性地认为保险是个好东西。
Okay, now we're making some progress. What do we notice?
好了,现在我们学到东西了
We're trying to understand exactly what changes in your brain when you learn and how those changes persist over time to support memory. And one thing that we know which helps explain why some things are easier to remember than other is that learning is not a unitary process.
我们一直都想查明,学习的时候,大脑到底发生了什么变化,这些变化是如何长时间控制记忆的,我们都知道,学习的过程不是一元化的,这就是为什么有的东西好记,有的东西难记。
And so, he has put this chemistry to use in this robotic arm and they call it Fido, because often dogs are the creatures that have to go out and detect these things, and it's not a great job if you're a dog to be sent out to see whether there was an explosive and discover yes, there was, a little bit too late.
因为通常都是派狗去检查这些东西,这个不是个好工作,如果你是一只狗,被派去检查是否有爆炸物,然后你发现有,那就来不及了,所以用机器手检查化学物质。
By the way, after class, I'm more than happy to stay as long as needed to answer any questions you guys have or to talk about whatever issues you'd like to bring up, but probably what makes sense is for me to power down the computer and pack up and then we can stand out in the hallway and I can answer questions out there, that way the next class can get in and the instructor can work unimpeded.
顺便说一下,课后,我很乐意多待一会,来回答你们的问题,或者讨论一些你们提出的问题,但我最好是,把电脑关掉,收拾好东西,然后在走廊里来回答你们的问题,这样下节课才能照常进行,老师也能正常授课
And so it's nice to just have reminders of that everywhere you're going
所以不管你到哪儿,都会有东西勾起你的回忆,那感觉很好。
Well, there's a lot of stuff that is a little different than...
好,很多东西有点儿不一样,跟……
So you know, you can find very good things there, too.
所以说,在那里你也可以找到好东西的。
and your interpretation of something better than someone else's.
而且你对一些东西的解释将比其他人的好。
So now after all these stupid setup, we can finally dive in to the actual program.
把这些规定的东西写好后,我们才能写真正的程序。
Notice what it has, it has a bunch of nice things that we want to use, right?
注意它包含了什么,包含了一连串儿,我们想利用的好东西,对么?
If I'm saying something that you don't understand, the chances are pretty good that there's 25 or 50 other students in the class who don't understand it either.
如果我正说着什么你不懂的东西,那时就是举手的好机会,因为有25或50个别的学生,也不懂。
Okay. Nabokov, be gone.
好吧,过世的纳博科夫想指出一些东西。
All right. That's what computation basically is about.
好了,这基本上就是关于计算相关的东西。
All right. So these are extremely valuable.
好,因此这些东西都是可以当做值的。
Oh, let's look at something else now.
好饿啦,让我们看一些别的东西。
I don't have to put an init in, but it's again, usually a good idea to put that in originally.
类定义内做些什么其他的东西呢?,好,在两个例子里,我都有init声明。
And in fact, if we just go ahead and run this now, hopefully we get out-- oops, sorry, I'm going to have to change this quickly, I still have some things uncommented at the bottom, yeah, there they are, I don't think we need that yet, all right, we will comment those out.
如果我们现在去运行程序的话,希望我们会得到-噢,抱歉,我得去马上,改下代码,还有一些在底部的东西没被注释掉,对,就在这儿了,我不认为我们需要,这些东西了,好,我们把它们注释掉,好,那么我为什么要讲这些呢?
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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