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查询同一个表中某一字段值相同的记录select * from 表名where 字段 in(select 字段 from 表名 group by 字段 having count(1)>1)select * from 表名 awhere exists (select 1 from 表名 where 字段=a.字段 and 主键 a.主键)用select top 查询出多条记录的解决这个问题在开发的时候经常会遇到,比如写了一句查询5条记录的语句“SELECT top 5 * FROM article order by Hits desc”结果显示结果多于5条。是因为,当判断条件Hits有重复时 阅读全文
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Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after installing Visual Studio 2012 Release PreviewAnswer1:If disabling incremental linking doesn't work for you, and turning off "Embed Manifest" doesn't work either, then search 阅读全文
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Questions:I'm using MFC CDialog/CDialogEx to show a modal dialog with DoModal.usually it works without problems, but sometimes, the dialog wont show up until I press ALT key.the scenarios is, I have a timer in the parent window, and doing some work in the OnTimer function, if the work takes too 阅读全文
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在Ubuntu环境下配置NIMH MEG Core Facility之CTF Tools网站有提示:The install script won't work, but you can copy the files manually. First, you'll need additional libraries:libXm.so.3andlibstdc++.so.5. The libstdc++ library is available viaapt-get.# apt-get install libstdc++5PutlibXm.so.3in/usr/lib.Copy th 阅读全文
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官方源: 1 #deb cdrom:[Ubuntu 12.04 LTS _Precise Pangolin_ - Release i386 (20120423)]/ precise main restricted 2 3 # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to 4 # newer versions of the distribution. 5 deb http://us.archive.ubuntu.com/ubuntu/ precise main restricted 6 deb-s. 阅读全文