-
That didn't work. Well they couldn't figure out what was wrong. And they spent a long time trying to debug the program.
调试这个程序,那时候当然不叫调试了,然后他们发现了问题。
-
And this one will be particularly germane to a portion of Problem Set 1, at least in Problem Set 1.
这个程序跟习题集1中的,一部分比较相似，至少在习题1中。
-
And the obvious question I could start with is, and suppose I ask you, how long does the algorithm implemented by this program take to run?
我开始这个话题的第一个问题是，假设我问你，由这个算法实现的程序大概,要运行多久才能给出答案？
-
So if we do the procedure of iteratively deleting dominated strategies, going back again, looking what's dominated, all that's left is 5 and 6.
如果我们按照这个程序,迭代剔除劣势,不断回头看看那些策略是劣势的,最终将只剩下立场5和6
-
It's the various programs you run on your computer along with the various data files that you have saved on your hard drive,and so forth.
是你自身这个电脑中运行的各种程序,硬盘存有的各种数据和文件，类似种种。
-
More than a third of people on Facebook have their cellphone up there and that's something that's useful for the application.
事实上，超过三成的Facebook用户,都公布了自己的手机号,所以这个应用程序对于我们来说,十分重要。
-
The strategy then often is to figure out how, what sort of program can solve these problems and then we go on to ask, "How could this program be instantiated in the physical brain?"
心理学家们通常要先弄清,什么样的程序可以解决这些问题,然后我们会接着问到,"这个程序在我们的生理大脑中,是如何进行编译的"
-
When the gentleman brought it and install it in my bedroom here, they gave me one simple sheet to tell me how to turn it on, how to get into the program, and then program really explain itself, really invites you to explore the pieces of it, by itself, I mean.
当他们把电脑带来,安装在我的房间里，给了一个简单的小册子,告诉我如何打开电脑，如何运行这个程序，然后程序就自动开始解释了，它让你去探索每个部分，自动的，我是说。
-
And then I say, oh you know I've used lists all over this program. I'll bet this isn't the only place where I've made this mistake.
变化引起的边缘效应，然后我的意思是,你知道的我在这个程序中一直都在用数组,我敢打赌我犯了这种错不止一次。
-
This is on purpose, because one of the things I hope you have learned to do this semester, is look up things you don't know, and figure out what they do. What they mean.
我举这个程序是有目的的，因为我希望你们这续期能学到,如何去查找你不知道的东西并，且弄懂它,们是干什么的，是什么意思。
-
And for reference, incidentally, in case you ever forget what the point of some exercise was, I'll almost always comment the code up top with a quick sentence or two that reminds you what this program does.
顺便作为参考，为了避免我们可能忘记一些代码的意思，我通常会用一两个简单的句子,在上面作出注释,那样会提醒我们这个程序是干嘛的。
-
But it turns out that on Macs and if you have the right software on PCs, you can kind of get a teaser of what this environment tends to look like and be forewarned, what you're about to see is intentionally very underwhelming.
事实上，它是运行在苹果机上的,如果你在电脑上有正确的软件，可以去看看这个环境大致是怎么样的,提前说下，这个程序不会让你印象深刻,我是故意这样做的。
-
I'm going to go over here, and let me define a couple of these things.
仅仅是用来显示值的，好，让我们看看如果,我运行这个程序会有什么结果。
-
- So now we have three conditions -- three forks in the road -- and this program is in fact correct, at least hopefully.
现在我们有三个条件--三岔路口-,然后这个程序的确是正确的，至少我希望是。
-
I know you're bugged by my bad humor, but too bad. Maybe you're bugged by this, saying wait a minute, how does this thing stop? This is the kind of definition that your high school geometry teacher would have rapped your knuckles over.
我也知道你可能觉得我的冷笑话很烦，但是很不幸，可能你会觉得这个很烦,你会想等等,这个程序怎么停下来呢？,这就是你们高中几何。
-
But it's a valuable thing. It says, in each case, I return some useful value from this procedure.
但是这就是变量，是在每个例子中，我从这个程序中返回了一些有用的值。
-
OK, here we go, here we go, you see, I'm doing it down here, I can't see it, does that-- ah, I hear his sighs of relief, OK, good. There we go. Better. All right.
好，我们开始，大家可以看到，我在这里写这个程序，我看不见，这是不是-啊，我听到大家放松的叹气了，好，让我们开始吧，好多了，好。
-
So let's look at a little example, and this is going to, excuse me, both allow us introduce the syntax as well as what we want to have as the flow of control inside of here.
让我们看个小例子，这个程序会，对不对，请允许我,一边顺着控制流进行,一边讲解语法。
-
But at the end of the day, this program does in effect nothing because I'm not printing the answer, I'm not saving the answer, I'm not doing anything with the answer.
但最终这个程序都不会做什么有效地事情,因为我没有把答案打印出来，我没有保存那个答案，我没有对那个答案做相应的操作。
-
Alright, so maybe a little underwhelming and we saw already what this program is going to do but let's just go through this process once before we start doing more interesting things and then we'll come back and at least give you a hint of what some of these syntactic details are doing.
好吧，这个程序也许太平庸了，让人印象不够深刻,我们也知道这个程序是干嘛的,在我们开始更有意思的事情之前,让我们再来讨论一下整个过程后再回来,这些语法细节到底是在做什么呢？,先给你们一点小小的提示。
-
What I want to think about though, is, how much time does this take?
我想的是，这个程序需要多长的时间来运行？
-
So this program in fact seems to be doing something helpful finally.
所以这个程序实际上好像,最终还是做了点有用的东西。
-
So when you're really stuck, just get somebody.
让我进一步弄清了这个程序。
-
So, in this program when we call this version of swap 1 and 2 do not end up here, right?
所以，在这个程序中，当我们调用这个swap版本1,和版本2，不是在这里结束，对不？
-
What's the basic idea behind this program?
这个程序的基本思想是什么？
-
Really this program is identical to this.
这个程序也是一样的。
-
So let me just run it.
让我运行下这个程序。
-
Any questions on this copy program?
对于这个拷贝程序有什么问题么？
-
How is it attempting to work?
它是怎么完成运算的？这个程序现在？
-
This program can beat me blind.
这个程序瞎下都能击败我
应用推荐