大约有 42,000 项符合查询结果(耗时:0.0682秒) [XML]

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How to get multiple counts with one SQL query?

...a.distributor_id, (SELECT COUNT(*) FROM myTable WHERE level='personal' and distributor_id = a.distributor_id) as PersonalCount, (SELECT COUNT(*) FROM myTable WHERE level='exec' and distributor_id = a.distributor_id) as ExecCount, (SELECT COUNT(*) FROM myTable WHERE distributor_id = a.dis...
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jQuery convert line breaks to br (nl2br equivalent)

I'm having jQuery take some textarea content and insert it into an li. 9 Answers 9 ...
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How do I change the default port (9000) that Play uses when I execute the “run” command?

...used by the play framework in development mode when issueing the "run" command on the play console. 21 Answers ...
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How can I have two fixed width columns with one flexible column in the center?

I'm trying to set up a flexbox layout with three columns where the left and right columns have a fixed width, and the center column flexes to fill the available space. ...
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How to DROP multiple columns with a single ALTER TABLE statement in SQL Server?

I would like to write a single SQL command to drop multiple columns from a single table in one ALTER TABLE statement. 11 ...
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Enable remote MySQL connection: ERROR 1045 (28000): Access denied for user

... the IP you want to allow access, USERNAME is the user you use to connect, and PASSWORD is the relevant password. If you want to allow access from any IP just put % instead of your IP and then you only have to put FLUSH PRIVILEGES; Or restart mysql server and that's it. ...
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Some font-size's rendered larger on Safari (iPhone)

...le of how to apply this to your body, just for the iPhone: @media screen and (max-device-width: 480px){ body{ -webkit-text-size-adjust: none; } } share | improve this answer | ...
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Partly cherry-picking a commit with Git

I'm working on 2 different branches: release and development . 7 Answers 7 ...
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Python None comparison: should I use “is” or ==?

...n comparing arbitrary objects to singletons like None because it is faster and more predictable. is always compares by object identity, whereas what == will do depends on the exact type of the operands and even on their ordering. This recommendation is supported by PEP 8, which explicitly states th...
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Convert a string representation of a hex dump to a byte array using Java?

...ons why it is an improvement: Safe with leading zeros (unlike BigInteger) and with negative byte values (unlike Byte.parseByte) Doesn't convert the String into a char[], or create StringBuilder and String objects for every single byte. No library dependencies that may not be available Feel free...