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How to return result of a SELECT inside a function in PostgreSQL?

I have this function in PostgreSQL, but I don't know how to return the result of the query: 2 Answers ...
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How do you remove duplicates from a list whilst preserving order?

Is there a built-in that removes duplicates from list in Python, whilst preserving order? I know that I can use a set to remove duplicates, but that destroys the original order. I also know that I can roll my own like this: ...
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Where does 'Hello world' come from?

' hello, world ' is usually the first example for any programming language. I've always wondered where this sentence came from and where was it first used. ...
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Most efficient way to prepend a value to an array

Assuming I have an array that has a size of N (where N > 0 ), is there a more efficient way of prepending to the array that would not require O(N + 1) steps? ...
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How can I cast int to enum?

How can an int be cast to an enum in C#? 31 Answers 31 ...
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How to override to_json in Rails?

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How to append rows to an R data frame

I have looked around StackOverflow, but I cannot find a solution specific to my problem, which involves appending rows to an R data frame. ...
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Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”

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Disabling browser caching for all browsers from ASP.NET

I'm after a definitive reference to what ASP.NET code is required to disabled browsers from caching the page. There are many ways to affect the HTTP headers and meta tags and I get the impression different settings are required to get different browsers to behave correctly. It would be really great ...
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Compiling simple Hello World program on OS X via command line

I've got a simple hello world example that I'm trying to compile on OS X, named hw.cpp : 8 Answers ...