大约有 42,000 项符合查询结果(耗时:0.0620秒) [XML]

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How do I drop a foreign key in SQL Server?

...N_USAGE AS KCU ON KCU.CONSTRAINT_CATALOG = RC.CONSTRAINT_CATALOG AND KCU.CONSTRAINT_SCHEMA = RC.CONSTRAINT_SCHEMA AND KCU.CONSTRAINT_NAME = RC.CONSTRAINT_NAME WHERE KCU.TABLE_NAME = 'TABLE_NAME' AND KCU.COLUMN_NAME = 'TABLE_COLUMN_NAME' IF @ConstraintName IS NOT NULL EXEC('alt...
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What is the best way to measure execution time of a function? [duplicate]

Obviously I can do and DateTime.Now.After - DateTime.Now.Before but there must be something more sophisticated. 4 Answ...
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What's the use of do while(0) when we define a macro? [duplicate]

I'm reading the linux kernel and I found many macros like this: 2 Answers 2 ...
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How do I forward declare an inner class? [duplicate]

...ned first Create a common base class that can be both used in the function and implemented by the nested class. share | improve this answer | follow | ...
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What does the message “rewrite … (90%)” after a Git commit mean? [duplicate]

...ta for files, but I just don't know how much of a rewrite the % represents and it doesn't seem to be in the help page for git help commit . ...
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Python-equivalent of short-form “if” in C++ [duplicate]

...ython 2.5+), a 1-to-1 equivalent of your version might be: a = (b == True and "123" or "456" ) ... which in python should be shortened to: a = b is True and "123" or "456" ... or if you simply want to test the truthfulness of b's value in general... a = b and "123" or "456" ? : can literall...
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How should I organize Python source code? [closed]

I'm getting started with Python (it's high time I give it a shot), and I'm looking for some best practices. 2 Answers ...
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Why does javascript replace only first instance when using replace? [duplicate]

...chobo2 it didn't take away two slashes. There were only two to begin with, and it removed the first one. – Doug Neiner Dec 27 '09 at 21:45 6 ...
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Oracle find a constraint

... select * from all_constraints where owner = '<NAME>' and constraint_name = 'SYS_C00381400' / Like all data dictionary views, this a USER_CONSTRAINTS view if you just want to check your current schema and a DBA_CONSTRAINTS view for administration users. The construction of th...
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On duplicate key ignore? [duplicate]

I'm trying to finish this query; my tag field is set to UNIQUE and I simply want the database to ignore any duplicate tag. ...