原文： A car crash. A:Is my car ready yet? B:I don't know sir,what's the number of your car? A:It's LFZ312G. B:When did you bring it to us? A:I brought it here three years ago. B:I remember now. A:Have your mechanics finished yet? B:No, they
一、JavaScript中无块级作用域 在Java或C#中存在块级作用域，即：大括号也是一个作用域。 public static void main (){ if(1==1){ String name = "seven"; } System.out.println(name);}// 报错 java public static void Main(){ if(1==1){ string nam
原文： The weekend. A:Hello , were you an tht butcher's? B:Yes I was. A:Were you at the butcher's too? C:No I wasn't. I was at the greengrocer‘s. A:How's Jim today? B:He is very well, thank you. A:Was he .. at the school last week? B:Yes
1. %s后可根字符或数字，%d只能是数字, %f代表浮点数 msg='i am %s, my hobby is%s'%('wendy','alex')print(msg)msg='i am %s,my hobby is%s'%('wendy',1)msg='i am %s,my hobby is %s'%('wendy',[1,2])print(msg)msg
之前只是单纯的使用终端来连接服务器进行训练，但是这样的话自己本地的电脑不能关机，一旦关机那么服务器上的训练也就停止了，所以尝试使用了screen命令来解决这个问题 简单来说，Screen是一个可以在多个进程之间多路复用一个物理终端的窗口管理器。Screen中有会话的概念，用户可以在一
