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How do I set a column value to NULL in SQL Server Management Studio?
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If you are using the table interface you can type in NULL (all caps)
otherwise you can run an update statement where you could:
Update table set ColumnName = NULL where [Filter for record here]
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How do I convert an interval into a number of hours with postgres?
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And maybe floor or cast the result to integer if the interval contains minutes and/or seconds
– rasjani
Jun 4 '09 at 19:25
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How can I define a composite primary key in SQL?
How can I define a composite primary key consisting of two fields in SQL?
3 Answers
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is vs typeof
...TypeHandle to the ldtoken CIL instruction, but it looks like the CLR takes care of it in the JIT. It still takes a few extra opcodes but it's a more generalized application of the optimization.
– Sam Harwell
Feb 22 '10 at 18:39
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In Maven 2, how do I know from which dependency comes a transitive dependency?
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If you use eclipse and the m2eclipse plugin then there is a graphical version of dependency tree where you can filter by scope etc.
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How do I convert from stringstream to string in C++?
...ng string object.
1) Returns a copy of the underlying string as if by calling rdbuf()->str().
2) Replaces the contents of the underlying string as if by calling rdbuf()->str(new_str)...
Notes
The copy of the underlying string returned by str is a temporary object that will ...
how to make svn diff show only non-whitespace line changes between two revisions
I can get diffs between two revisions using something like
4 Answers
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jQuery empty() vs remove()
...ifference between empty() and remove() methods in jQuery , and when we call any of these methods, the objects being created will be destroyed and memory released?
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How to redirect from OnActionExecuting in Base Controller?
I have tried two ways: Response.Redirect() which does nothing, as well as calling a new method inside of the Base Controller that returns an ActionResult and have it return RedirectToAction()... neither of these work.
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Inline instantiation of a constant List
...but that would only apply to the METRICS variable itself (which should typically be Metrics instead, by .NET naming conventions). It wouldn't make the list immutable - so someone could call METRICS.Add("shouldn't be here");
You may want to use a ReadOnlyCollection<T> to wrap it. For example:
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