摘要:分别用python和bash实现 python1 import string from random import choice for i in range(10): print(''.join([choice(string.ascii_letters + string.digits + stri
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摘要:一、子查询 SELECT * FROM TABLE WHERE TABLE.STAFF_ID IN (SELECT STAFF_ID FROM TABLE_SUB WHERE `NAME`IN ('张三','李四')); 用到的表: base_staff_info 员工基础信息表 base_staf
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摘要:python re 1 import re s = '''bottle\nbag\nbig\napple''' for i,c in enumerate(s, 1): print((i-1, c), end="\n" if i%8==0 else ' ') print() print('--matc
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摘要:去除列表中空字符串最快最简单的方法 推荐采用: filter(None, your_list) 具有比 while '' in your_list: your_list.remove('') your_list = [x for x in your_list if x != ''] 更快的速度 fi
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