-
You take your piece of paper now.
你们拿出一张纸
-
Well, it's not memorized as we think of it and you may have had music lessons along the way and your teacher and your mother said "Go memorize your piece." It's not memorized like that.
这完全不是想我们猜想的那样是靠死记硬背的,也许你上音乐课的时候,你的老师或和你妈妈会说,记下这一段,而这段音乐不是像那样靠死记硬背的
-
So input is an int called F, print out to the screen or your piece of paper the value of C. Odds are you only need two, maybe three lines of code for this, but the goal ultimately will be try it on your own.
所以输入是一个int类型的F，在你的屏幕上,或你们的纸上打印出C的数值,可能你们需要两行或者三行的代码,但是最终的目标需要你自己独自尝试。
-
It will surface back up in another piece of work or another idea at some point in your life.
在某个时刻，旧点子会以另一种形式重新出现,或者另一个想法在会出现在你的生活中。
-
Well I ought to be able to do that by simply generalizing the loop. And that's what the next piece of code on your a hand out shows you.
好的通过生成这个循环,我应该能够达到目的,这也是你们的讲义中下一段代码。
-
Get out a piece of paper. This is your first exam.
请准备一张纸，这是你们第一次考试。
-
If you don't have this piece of paper and you want to participate, please raise your hand and one of the teaching fellows will bring it to you.
如果你没有这张纸，而又想参加测试的话，请举起手，让教学助理,拿给你。
-
If i would go back in time and give myself one piece of advice as undergradute, it would be take pride in your decisions and hardwork, but not in your gifts.
如果时光倒流,我能为本科时期的我,提个建议的话,我会说，为自己作出的决定和勤奋工作，而不是自己的天赋感到骄傲。
-
I would guess that probably 30% to 50% of you do this everyday, you put a piece of plastic, a synthetic piece of plastic into your eye to improve your vision.
我猜你们有百分之三十到百分之五十的人,每天会做这样的事,将一小片塑料,合成塑料放到眼睛里,来提高自己的视力
-
You shouldn't be able to hear very much either, and it mustn't have been too delightful to breathe out of the thing, although your nose is free, but it's covered by a nose piece.
而且也听不见什么了,同时,戴着头盔呼吸也不是很顺畅,虽然鼻子并不受束缚,但是上面有一块小薄片覆盖着
-
To be honest, especially those of you less comfortable here, if you've ever struggled with some program or struggled with some piece of software, oh it's alright, it's not your fault.
说实话，尤其是对那些在这里上课有些吃力的同学，如果你曾经使用哪个程序或软件有困难,好吧，那不是你的错。
-
But the things we were trying to stress were that it's an important design decision when you are coming up with a piece of code, as to what kind of efficiency your code has.
但是我们这里要强调的是,当你写代码的时候,决定你的代码的效率的很重要的事情，就是你的设计决定。
-
If you have a piece of scrap paper with you, suppose that you've started your program as follows.
如果你有一张废弃的纸张，假如你已经开始了以下的问题。
-
And so I'm going to go back to this idea of a class, and let's build the first of these, and that is shown right here on this piece of your handout.
你把半径加到一起,你不会把角度加到一起，你需要再笛卡尔坐标下，进行这个操作,那么我这里在讲的就是。
-
Sometimes it's a lot easier to reach into your wallet, pull out a piece of plastic and voila, there are the next several shuttle times.
都是不太方便的,也许伸进口袋，拔出一块塑料来看看，还有其他的班车时间呢。
-
And we hope that at the end of the class, every time you're confronted with some technical problem, one of your first instincts is going to be, "How do I write the piece of code that's going to help me solve that?"
并且我们希望到了期末，每当你要面对一些,技术问题的时候，你们的本能之一将会是：,“我怎么才能编写一个代码,来帮我解决这问题？“
-
Right, and just to get a sense of this, let's look at a simple little example, so on your hand-out, you'll see I've got a little piece of code that says assuming I've got one of these points, I want to do things with it, for example I might want to add them together.
这些数组中的一个，你怎么能够知道，它是哪种类型的呢？,你怎么知道它是以笛卡尔坐标,表示的还是以极坐标,形式表示的呢？,你没有可以用来区分的东西，你没有说明这种信息,聚集实际上的意义。
-
The presence of both Mars and Venus suggests you want to box everything into a neat, ordered, structured way but keeping a piece of jade or carnelian close will help you keep in touch with your fun side."
火星和金星的同时出现表明,你想把东西整洁有序地打包好,随身携带一块翡翠或玛瑙,会使你获得愉悦的心情“
-
So the point of this is: once you get these kind of progressions locked in your ears, you go to a concert and you can begin to chart what the piece is doing in terms of its harmony.
这里的重点是，一旦你的耳朵牢牢记住了这些进程，你去听音乐会的时候就能开始分析一部作品的和声了。
-
All right. If you flip to the second side of your handout, you'll see that I have a piece of code there, that does this-- let me, ah, I didn't want to do that, let me back up slightly- this is the algorithm called search.
你可以看到实现这个功能的代码,让我，额，我不想这么做,让我们回来一点,这就是命名为search的算法-,我们来看看这个算法吧。
-
And odds are if a week hence, two weeks hence just for fun you decide to reimplement your Scratch project -- or some tiny piece of it, it wouldn't be surprising -- or shouldn't be -- if you end of implementing the same game or animation or whatever using a completely different set of puzzle pieces Same deal we'd see here.
可能一周之后，两周之后，为了好玩,你决定重新实现你的Scrtch工程,或者其中一小部分，它将不会是令人惊讶的-,本来也不应该是--如果你运行相同的游戏,或者是动画，亦或是用完全不同的设置,来运行拼图游戏,我们将看到相同的处理。
-
And if you've ever heard the word driver software that you install in your computer so that your computer, your operating system, Windows or Mac OS, knows how to talk to that piece of hardware, it's that driver software that then empowers the operating systems to send those commands as well, up, the data is laid out on the disk.
并且如果你听说过安装到,电脑中的驱动软件这个词的话，你的操作系统，比如Windows或者是苹果操作系统，通过这个驱动软件我们的电脑，才能知道如何与这个硬件进行通信,正是因为这个驱动软件，操作系统才能根据数据，左右移动的指令来读取磁盘里的数据。
应用推荐