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How do I (or can I) SELECT DISTINCT on multiple columns?

I need to retrieve all rows from a table where 2 columns combined are all different. So I want all the sales that do not have any other sales that happened on the same day for the same price. The sales that are unique based on day and price will get updated to an active status. ...
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How do I delete NuGet packages that are not referenced by any project in my solution?

Somehow during the upgrade to VS2012 and .NET 4.5, I've managed to get NuGet confused. There are packages that appear in the package manager (and the packages folder) that I cannot delete (I believe they are legacy ASP.NET NuGet packages that have been replaced with new package names with the new v...
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IIS - 401.3 - Unauthorized

I am trying to get started with using IIS. I created a new site on IIS Manager, mapped it to a folder on my file system and added index.html to the folder. I have set the port to 85 for this site. When I try to access http://localhost:85/index.html , I get the following error message: ...
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Entity Framework 6 Code first Default value

is there "elegant" way to give specific property a default value ? 15 Answers 15 ...
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Git rebase --continue complains even when all merge conflicts have been resolved

I am facing an issue that I am not sure how to resolve. 10 Answers 10 ...
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How do I remove a substring from the end of a string in Python?

I have the following code: 22 Answers 22 ...
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How to read integer value from the standard input in Java

What class can I use for reading an integer variable in Java? 7 Answers 7 ...
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How do I turn off PHP Notices?

I've already commented out display_errors in php.ini , but is not working. 16 Answers ...
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Configure IIS Express for external access to VS2010 project

I am developing a project in VS2010 and am able to view my site locally via IIS Express. I would like to enable external access over the network. ...
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Given a view, how do I get its viewController?

I have a pointer to a UIView . How do I access its UIViewController ? [self superview] is another UIView , but not the UIViewController , right? ...