C So here I'm declaring a variable called c, and I'm pretty much translating the formula from the slide using the characters on my keyboard to a floating point value.
这里我声明了一个变量,然后我把那个幻灯片上的公式,用键盘上的字符翻译成了,浮点数值。
where Tom Hanks is dancing on the keyboard,
在那部电影中,汤姆•汉克斯在键盘上跳舞。
So in a moment you're going to go ahead and hit the spacebar and then as things fall from the screen when they line up with the left arrow, hit the left arrow with a different arrow, hit that arrow and see how good a score you can get.
一会儿你走到前面,敲一下空格键,当屏幕上面的东西从左边往下掉的时候,你就敲一下键盘上的左键,是哪个方向,敲对应的方向键就可以了,我们来看看你能得多少分。
Let's say I had to remember to play something at the keyboard.
如果说我必须得记住在键盘上弹了什么
If you sit in your chairs and look at this keyboard, and relax your muscles and imagine moving your right arm up and hitting the "s" key.
当你坐在椅子上,注视着电脑键盘,放松肌肉,想象你抬起右臂敲击,S,键。
You type at the keyboard words that you want to encrypt.
你从键盘上键入你想加密的单词。
Well, what we now call the black notes-- although historically keyboards could be either way-- you could have these added notes black or white and then these underneath would be black.
我们现在称之为黑色音符,尽管历史上键盘的颜色换成怎样都行,也许增加的音符是白色,而底下的这些音符则是黑色
So, here is the symbol for C and the staff here is where C would be located on the keyboard.
这是C的符号,这里是C在键盘上的位置
If you want to get some input from the user, my God I don't want to have to program it to low level zero and 1 just to get keys from the keyboard; please let there have been someone who does that for me and indeed there are an increasingly sophisticated options that you can pull off the shelf.
如果你想获得一些用户的输入数据,我的上帝,我可不希望在键盘上敲入0,1的低水平方式来编程;,希望有个人能帮我做这件事吧,但是现有的选择,也变得日益复杂了。
And now, that you have not just the keyboard, but a device like this connected via USB can you do something like this, like a former student did.
有键盘,还有一个连上USB的设备,你就可以做一些事情了,先前有一个学生就做过。
Now, once you know each of those, you can now do 25 more upper case letters and 25 more lower case letters then there are some other stuff like punctuation and things you see on the keyboard.
一旦你知道两者中的任何一个,你就知道了另外25个,大写字母和小写字母,标点和在键盘上的,各种符号也有ASCII码。
So what would be the letter A in binary inside of a computer's memory when you hit the letter A on the keyboard, for capital A?
当你敲击键盘上的字母A时,那么在计算机二进制的存储中,字母A是什么样的呢?
应用推荐