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How to parse a query string into a NameValueCollection in .NET

I would like to parse a string such as p1=6&p2=7&p3=8 into a NameValueCollection . 19 Answers ...
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How to construct a set out of list items in python?

I have a list of filenames in python and I would want to construct a set out of all the filenames. 6 Answers ...
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Process escape sequences in a string in Python

Sometimes when I get input from a file or the user, I get a string with escape sequences in it. I would like to process the escape sequences in the same way that Python processes escape sequences in string literals . ...
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Convert Python dictionary to JSON array

Currently I have this dictionary, printed using pprint : 4 Answers 4 ...
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How do I tell if a regular file does not exist in Bash?

I've used the following script to see if a file exists: 20 Answers 20 ...
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#define macro for debug printing in C?

Trying to create a macro which can be used for print debug messages when DEBUG is defined, like the following pseudo code: ...
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How to check a not-defined variable in JavaScript

I wanted to check whether the variable is defined or not. For example, the following throws a not-defined error 14 Answer...
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How do I do a not equal in Django queryset filtering?

In Django model QuerySets, I see that there is a __gt and __lt for comparitive values, but is there a __ne / != / <> ( not equals ?) ...
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Expert R users, what's in your .Rprofile? [closed]

I have always found startup profile files of other people both useful and instructive about the language. Moreover, while I have some customization for Bash and Vim , I have nothing for R. ...
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Code Golf - π day

Guidelines for code-golf on SO 26 Answers 26 ...