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How do I convert an interval into a number of hours with postgres?

... And maybe floor or cast the result to integer if the interval contains minutes and/or seconds – rasjani Jun 4 '09 at 19:25 6...
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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 3 ...
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In Maven 2, how do I know from which dependency comes a transitive dependency?

... If you use eclipse and the m2eclipse plugin then there is a graphical version of dependency tree where you can filter by scope etc. share | improve this answer | fol...
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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 ...
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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 4 ...
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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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Strip Leading and Trailing Spaces From Java String

... You can try the trim() method. String newString = oldString.trim(); Take a look at javadocs share | improve this answer ...
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Drop a temporary table if it exists

... From SQL Server 2016 you can just use DROP TABLE IF EXISTS ##CLIENTS_KEYWORD On previous versions you can use IF OBJECT_ID('tempdb..##CLIENTS_KEYWORD', 'U') IS NOT NULL /*Then it exists*/ DROP TABLE ##CLIENTS_KEYWORD CREATE TABLE ##CLIENTS_KEYWO...