• We'd expect you to write now or perhaps ever since this program was written as part of an obfuscated C contest.

    我希望你们现在就开始写程序,否则你们将会在C语言比赛中,写得非常糟糕。

    哈佛公开课 - 计算机科学课程节选

  • In Scratch, the block you may have used for this idea literally says "or" for or; in C, two vertical bars.

    在Scratch中,这个你用的程序块,照字面地想法来说“or“表示或者;,在C语言中,是两个竖线。

    哈佛公开课 - 计算机科学课程节选

  • the choice of indentation here is deliberate throughout programming whether it's in C or PHP or JavaScript in this particular course.

    不管是C,PHP还是JavaScript语言,通过缩进一些,程序块是有目的的。

    哈佛公开课 - 计算机科学课程节选

  • So it turns out that, main, yes, is the default function you write, at least in C, when writing a program.

    结果是,main函数,是的,这是你写的默认函数,至少是在C语言中,当写程序的时候。

    哈佛公开课 - 计算机科学课程节选

  • I included the length, let me go ahead and compile this program called Holloway.c. No errors which means that's good.

    我包含了那个长度,我们继续,编译这个Holloway,c程序,零错误,非常好。

    哈佛公开课 - 计算机科学课程节选

  • I'm going to open up a program called positive1.c. I'm going to scroll down to the juicy part here.

    我将要打开一个叫做positive1,c程序,我们翻到这个有趣的部分。

    哈佛公开课 - 计算机科学课程节选

  • It turns out that in a lot of languages, C included, you the programmer knowing a bit about how the computer works and the language works, can exercise more fine-grained control.

    结果在包括C语言的很多语言当中,你作为一个程序员懂得了一些计算机的工作方式,和语言的处理方式,可以更精确地控制运用它。

    哈佛公开课 - 计算机科学课程节选

  • So I'm gonna go ahead and save this file, hello c it's hello.c, dot C hints at the fact that this program I just whipped up is written in a language called C.

    所以我打算继续,保存,并命名为,“,c“表明这个程序,是使用C语言写的。

    哈佛公开课 - 计算机科学课程节选

  • But once you've written a program, "hello world," in a file called hello.c, you Save and Quit.

    不过一旦你们写了一个“hello,world“程序“,并且把它保存为hello,c文件后退出。

    哈佛公开课 - 计算机科学课程节选

  • The curly braces are then the C's way of kind of making a puzzle piece that looks like this so you can put stuff inside.

    花括号是C语言的一个方式,用来做一个像这样的程序块,所以你可以把代码写在里面。

    哈佛公开课 - 计算机科学课程节选

  • So this is copy1.c, same program as before break, let's really see what's going on here.

    这是copy1。c,我们休息之前的那个同样的程序,我们看看这个到底发生了什么。

    哈佛公开课 - 计算机科学课程节选

  • This is a file called Holloway.c. This is-- to be clear, not a program.

    这里有一个文件Holloway,c,不是程序-,我们马上就要清除掉它。

    哈佛公开课 - 计算机科学课程节选

  • So it turns out a really nice shortcut on most systems, oops, is to say if you have a file called hello.c and you wanna turn it into a program called hello, well, make hello just write in the command makeHello and it will do all of that for you automatically and hand you a program called hello.

    就是寻找一种能在大多数系统上运行的更快捷的方式,哇!,也就是说,你有一个hello,c的文件,你想把它变成一个名为hello的程序,那么只需要敲入命令,它就会自动为你生成,一个hello程序

    哈佛公开课 - 计算机科学课程节选

  • So with the fact that I'm now just back at my prompt is a good thing so now GCC hello c if I type this command GCC hello.c, this is gonna run this program that Apple wrote in this case GCC or someone else wrote called GCC.

    也就是说我们现在安全返回,说明一切正常,现在我输入这条命令:,这代表运行hello,c这个程序,是由“Apple“或其他人编写的,名为。

    哈佛公开课 - 计算机科学课程节选

  • So among your printout from Wednesday, if you have it, you have a file called math1.c. If you don't have this, the programs are short today, so it should be easy enough to follow along visually, but a PDF and the actual source code is available online for these things.

    从你们周三打印出来的资料来看,如果你们手上有的话,你们会看到有个叫做的“math1,c“的文件,如果你们没有资料,那些程序还是比较短的,所以你们应该可以很轻松地,来看这些程序,但是那个PDF文件,和实际的源代码都可以到网上找到,相关的资料。

    哈佛公开课 - 计算机科学课程节选

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