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Update or Insert (multiple rows and columns) from subquery in PostgreSQL

I'm trying to do something like this in postgres: 3 Answers 3 ...
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With GitHub how do I push all branches when adding an existing repo?

I created a new GitHub repo - I want to put my existing repo there. I followed the instructions: 2 Answers ...
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how to get first three characters of an NSString?

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Can I use multiple “with”?

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What is the maximum length of data I can put in a BLOB column in MySQL?

What is the maximum length of data I can put in a BLOB column in MySQL? 3 Answers 3 ...
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Visual Studio keyboard shortcut to automatically add the needed 'using' statement

What is the keyboard shortcut to expand the little red line that gives you the menu where you can choose to have the necessary using statement added to the top of the file? ...
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How do you set the startup page for debugging in an ASP.NET MVC application?

How do you start debugging the application at the application root? For example: http://localhost:49742/ 6 Answers ...
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How can I concatenate regex literals in JavaScript?

Is it possible to do something like this? 12 Answers 12 ...
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Setting the Vim background colors

When I try to change the background colors in .vimrc or directly in Vim using the command: 4 Answers ...
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How do I show a MySQL warning that just happened?

I just ran a simple MySQL CREATE TABLE statement that produced the line 3 Answers 3 ...