目录概念json操作json转换成字典:字典转成json串总编程结概念 json是一种通用的数据类型一般情况下接口返回的数据类型都是json长得像字典,形式也是k-v{ }其实json是字符串字符串不能用key、value来取值,所以要先转
开发者_Python百科Why is it that when I shift the exit code, $?, in Perl by eight, I get 255 when I expect it to be -1?The exit status returned by \'wait()\' is a 16-bit value.Of those 16 bits, the hig