大约有 44,000 项符合查询结果(耗时:0.0451秒) [XML]

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python list in sql query as parameter

...I paramstyle. placeholders= ', '.join(placeholder for unused in l) query= 'SELECT name FROM students WHERE id IN (%s)' % placeholders cursor.execute(query, l) share | improve this answer |...
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Is cout synchronized/thread-safe?

...cent version of MSVC (currently for VS 2010/MSVC 10/cl.exe 16.x). You can select the information for older versions of MSVC using a dropdown control on the page (and the information is different for older versions). share ...
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Fastest way to determine if record exists

... SELECT TOP 1 products.id FROM products WHERE products.id = ?; will outperform all of your suggestions as it will terminate execution after it finds the first record. ...
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Handling a colon in an element ID in a CSS selector [duplicate]

... to thank you and give you a little upvote. – Dwayne Charrington Oct 28 '11 at 0:12 8 This answer...
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Remove excess whitespace from within a string

... @Gigala "What would be the best way to remove the inner whitespace characters?" was the question. This answer satisfies that perfectly. – Cory Dee Sep 13 '13 at 17:14 1 ...
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Check if option is selected with jQuery, if not select a default

Using jQuery, how do you check if there is an option selected in a select menu, and if not, assign one of the options as selected. ...
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Arrays vs Vectors: Introductory Similarities and Differences [closed]

..., library, operating system). Some APIs will have entry points like strcat(char * dst, char * src), where the dst and src are treated as arrays of characters (even though the function signature implies pointers to characters). – John Källén Feb 26 '13 at 0:33...
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SQL Server: Filter output of sp_who2

... SPID_1 INT, REQUESTID INT ) INSERT INTO @Table EXEC sp_who2 SELECT * FROM @Table WHERE .... And filter on what you require. share | improve this answer | ...
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Convert integer into its character equivalent, where 0 => a, 1 => b, etc

I want to convert an integer into its character equivalent based on the alphabet. For example: 12 Answers ...
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LINQ - Full Outer Join

...rst.ID equals last.ID into temp from last in temp.DefaultIfEmpty() select new { first.ID, FirstName = first.Name, LastName = last?.Name, }; var rightOuterJoin = from last in lastNames join first in firstNames on last.ID equals first.ID into temp fr...