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And the Aristotelian view held for a long time, but eventually it started to crumble in the light of more data.
而亚里士多德的观点在很长时间里得到了认同，但最终还是崩溃了,在越来越多的数据面前。
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Now these ideas of classes, object-oriented programming, data abstraction, are about 40 years old, they're not new ideas.
面向对象编程的概念，数据抽象的概念，都是40年前就有的老东西了。
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int So, primitive type besides those three types, we have ints which are just integers which are similarly 32 bits.
除了这三种类型外，还有一种最原始的数据类型,32比特整数。
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But it was still interesting to watch and to see unfold So, now I had this picture of real-live data of a real-life city operating in front of me.
但是看着这些事物一点点展开非常有趣,现在我得到了现实的城市里,现实生活的数据就在我面前运转。
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If you go onto the continent,though, they tended to be interrupted by World War I and World War II.
如果你们往欧洲大陆国家那里考虑,一战和二战期间的数据几乎是没有存档的
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I should just say that the data i just gave you is real data but it's actually mixed ability data.
我强调一点我给你们的数据是真实数据,但是它是综合了各种能力后的数据
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Though we have to have not just the generic program, but the specific data files and databases and so forth.
虽然我们不仅有通用程式，还有特别的数据文档和数据库等等。
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He introduced the concept of electronegativity which was a measure, therefore, it is quantitative, of the atom's ability to attract electrons within a covalent bond and developed a scale of electronegativity.
他引入了电负性这一概念,一个反映着原子在成共价键时吸引电子的能力的数据标度，因此这是数量上的，在共价电子中,电子原子能吸引电子,并发展为一定规模的电负性。
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So the Priestly materials are found as a block in Leviticus, a large part of Numbers, and then they're scattered throughout Genesis and Exodus.
在《利未记》中，与祭司相关的内容占了很大一块，有很多的数据，它们都将贯穿在《创世纪》和《出埃及记》中。
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they won't say, "Oh, because of this experiment, that experiment, " this data set and that data set."
他们不会说，“因为理论得到了这个实验，那个实验，这套数据，那套数据的支持“
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Here's another graph of data on the metabolic syndrome showing how it differs by race and ethnicity.
这是另一幅关于代谢综合征的数据图,它表明代谢综合征在种族与民族间的差异
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Data's what we expect. It's our way of representing fundamentally the kinds of information we want to move around.
数据是我们一直需要的,它是用来表达我们想要操作的,数据类型的基本方式，这里。
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Alright, so it turns out there're two other useful types that you don't get for free out of the box.
我们还是回到这里，还有两种很有用的数据类型,这两种都不用担心内存不足。
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That means--his calculations are very different than the ones I have because he has a much longer sample period.
那表明。。。他的计算结果与我的大相径庭,因为它数据的取样跨度比我的长多了。
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Right, so the fundamental idea then, is, I want to glue together information, I want to take pieces of data that naturally belong together, glue them together, and attach some methods to it.
放在一起的数据拿出来，把它们放到一起，然后把一些方法附加上去,这些，你知道的，是很长的一个定义，让我们来看个例子吧。
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I went from this description, it gives me some information. I need to have a particular type.
我从这些描述出发，它给了我一些信息,我需要一些特定类型的数据。
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And so far when reviewing the developmental data we've talked about two of them: physics and people.
到目前为止,当我们回顾发展的数据时,我们讨论了其中的两个主题,物理学和人类
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I found all these databases of this information, although this was after the fact.
我发现了这些信息的数据库，尽管这有点事后诸葛亮。
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But in China the numbers look like this, and in India they look this.
而如今,中国的数据是这样的,印度的数据就是这样的
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I wanted to show an example with real data that I computed and that's what's up on the screen.
我用真实的数据做了一个案例,请看上方的屏幕。
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Number three, pointer assignment, takes one pointer and changes it to point to the same pointee as another pointer so after the assignment the two pointers will point to the same pointee.
第三条，指针赋值，使一个指针,指向另外一个指针所指向的数据,赋值过后，两个指针会指向,同样的数据。
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In fact to write a run those same experience-- those same experiments now with the even greater volume of data computers are now producing I'd probably have terabytes worth of data and at that point things just would have broken.
事实上-,目前使用大量数据的相同实验中,计算机会产生,兆兆字节的数据,那时，一切都有可能遭到破坏。
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We transition to actually real world applications later on like a compression-- how do you take a huge amount of data ; and actually whittle it down into something more manageable; something that uses less of your disk space.
然后我们会讲生活中的应用程序,比方说压缩文件——,把大量的数据分解使其更易管理;,并占用尽量少的磁盘空间。
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The semantics was what caused the problem, because the operator was expecting a particular kind of structure there.
引起问题的是语义，因为运算符需要的是,一种特定种类的数据结构。
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Well the idea of a hash, in fact, what's called a hash function is to have some way of mapping any kind of data into integers.
我要怎么做？实际上想法还是哈希,通过一个哈希函数,把任何种类的数据都映射成整数。
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.. The equity premium is the-- 2.8% this short-term 2.8% is the riskless return, historically, for a period of almost 200 years.
股权溢价就是-,这个短期无风险投资收益率是，是根据近200年的数据得出的。
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Cause when you can actually manipulate a computer's memory at this low level, you can steal people's passwords, you can steal their data if you know how that memory is laid out.
因为即使是在这么低的权限下,你也能熟练控制电脑的存储器,你就可以窃取别人的秘密，如果知道相应数据位于哪里的话,你也能窃取别人的数据。
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- >> Is there a data type for representing 1,024 bits or -- >> David: Good question.
>，有没有能表示1024位大小的数据类型或-,>>，大卫：好问题。
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This is useful especially when we get to details like forensics and looking at data on a hard drive, - 'cause if you don't know how much store-- how many bits are composing your file, you're never gonna recover that data or be able to access what you're looking for.
这是很有用的，尤其是在法庭上,查看硬盘驱动器里的数据时，如果你连-,文件有多少比特都不知道，你如何去恢复数据,获取你想要的信息呢。
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I did it myself using my data, but it would always look more or less like this-- slightly different positions if people use different estimates.
这幅图是我根据自己的数据画出来的，有效边界的图形大致就是如此-,随着人们采用不同的估计值,其位置会发生微小的变化。
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