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How do I set a column value to NULL in SQL Server Management Studio?

How do I clear the value from a cell and make it NULL? 6 Answers 6 ...
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How do I convert an interval into a number of hours with postgres?

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What are the differences between vector and list data types in R?

What are the main differences between vector and list data types in R? What are the advantages or disadvantages of using (or not) these two data types? ...
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How to interactively (visually) resolve conflicts in SourceTree / git

I'm using (Windows) SourceTree for my git project. I can do it in either command prompt or Linux terminal. 3 Answers ...
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How do I use extern to share variables between source files?

I know that global variables in C sometimes have the extern keyword. What is an extern variable? What is the declaration like? What is its scope? ...
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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()

What's the difference 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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Strip Leading and Trailing Spaces From Java String

Is there a convenience method to strip any leading or trailing spaces from a Java String? 6 Answers ...
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Drop a temporary table if it exists

I have two lines of code in SQL that create two tables on the fly, i need to do something like 3 Answers ...