python将txt转16进制 直接上代码 import time
print("begin")#读取的txt文件
infile open("xxx.txt","r");
#
outfile open("xxx.hex","wb");#开始读文件
a infile.read(1);
_combine "";
i0;
while a ! \n:i…
1、表的高级查询 use student select * from stuinfo1 -- 使用 in 的子查询 select * from stuinfo where stu_age in ( select stu_age from stuinfo where cla_id 12345 ) select * from stuinfo where stu_age in ( 19 , 20 , 21 , 25 , 23 , 1…