D-A-V-I-D Well, if I've got a five-letter word like D-A-V-I-D, well, that's like five bytes and yet we only have the ability thus far in this class to return one thing at a time I can't return five bytes to you, but wait a minute, those bytes by nature of a computer are just stored in RAM.
好的,如果有5个字母的单词,如,那是5个字节,我们只能返回一个东西,而不能返回5个字节,等一下,这些字节被计算机本能地,存储在内存中。
So I just have to see, oh, here's a D, let me keep looking, D here's an A, keep looking here's a V, here's an I, here's a D and yet, and this is one tidbit we introduced a week or so ago, how do I now know if I'm just given the address of the start of the string where the end is?
我只需要看到,哦,这里是一个D,让我接着往下看,这里是A,接着这是V,这是I,这是,然而,这是我们一周以前介绍的花絮,如果你给我一个字符串开始的地址,我怎么知道它什么时候结束?
Okay. Those of you who have your clickers let's pull them out, what I'd like you to do, if anybody doesn't have your clicker yet, please bring it to class. Please get one and bring it to class and we're only going to do one these exercise with the clickers today just as a test, but in subsequent classes we'll be using them quite a lot.
好,带了表决器的人把它拿出来,如果有人还没有表决器,我希望,你能弄一个然后把它带到课上,我们今天只要用表决器做一个测试,但之后的课中我们将多次使用到它
You need to know how to think about them in the same way we think about s and p orbitals, but for example, you don't yet need to know what all of the names are except for this 3 d z squared here.
你们只要知道,如何像考虑s和p轨道一样,来考虑它们,但你们不需要,知道它们的名字,除了这个3dz2轨道外。
Are you among those more comfortable, have you taken any computer science, were you programming at the age of 10 but you'd actually like to learn a bit about things you don't yet know and challenge yourself with new content or are you somewhere in between?
你对电脑比较熟悉么,你上过计算机专业方面的课程吗?,你是不是10岁就会编程,来上课的目的只是为了学习未知的知识,或者用新知识来挑战战自我?,还是二者兼有?
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