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datetime.date(2020, 11, 10) 直接 .strftime('%Y-%m-%d') 阅读全文
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r.values[0] 阅读全文
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excel 统计哪些是重复的 =COUNTIF(A:A,A1) 阅读全文
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select id, name, memofrom Awhere id in (select id from A group by id having count(1) >= 2) 有点点复杂,不如用excel来的快 =COUNTIF(A:A,A1) ... 阅读全文
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select COUNT(DISTINCT concat(concat(aaa,'-'),bbbb)) from cccc.dddd where ddd= 9999 阅读全文
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select concat(concat(aaa,'-'),bbb) as results111 from cccc where pid = 999 阅读全文
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坑,未填 阅读全文
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\CTEXsetup[format={\Large\bfseries}]{section} 阅读全文
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\usepackage{geometry} %调整页面边框 \geometry{a4paper,scale=0.8}%调整到80% 阅读全文