String is actually not a data type in C. It actually is something called a char star and we'll come back to this before long.
字符串在C语言里其实不是一种数据类型,而是一种称为char,*的数据类型,这个知识点我以后会讲到。
Did the same thing with c p 2, 2 2 0 Again, remind you, c p 2 is a different instance of this data type.
建立了一个x变量,我也把它赋值为,因此cp1内置有了x和y值,然后对cp2做同样的操作。
So we talked about Mr. Bool briefly last week in this idea of true or false, but in C, you don't have a Boolean data type.
我们上周简短地谈论过Bool先生的,真假的逻辑思想,但是在C语言里,没有布尔数据类型。
But one of the teaching fellas also passed long to us recently, a little real world example of what happens when you're not mindful of various data types and you're not mindful of the imprecision that's inherent in representing data in a computer, at least using a language like C and low level primitives like floats and even doubles.
最近有个助教告诉我们,一个现实世界中的例子,当你不注意各种各样的数据类型,也不注意在计算机中表示数据时,其内在的不精确性,至少在用像C语言,和float甚至double型数据时,那将会发生什么?
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