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Django Passing Custom Form Parameters to Formset

I have a Django Form that looks like this: 12 Answers 12 ...
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Setting environment variables on OS X

What is the proper way to modify environment variables like PATH in OS X? 31 Answers ...
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Create singleton using GCD's dispatch_once in Objective-C

... This is a perfectly acceptable and thread-safe way to create an instance of your class. It may not technically be a "singleton" (in that there can only ever be 1 of these objects), but as long as you only use the [Foo sharedFo...
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What are major differences between C# and Java?

I just want to clarify one thing. This is not a question on which one is better, that part I leave to someone else to discuss. I don't care about it. I've been asked this question on my job interview and I thought it might be useful to learn a bit more. ...
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Converting an int to std::string

What is the shortest way, preferably inline-able, to convert an int to a string? Answers using stl and boost will be welcomed. ...
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What guarantees are there on the run-time complexity (Big-O) of LINQ methods?

...ds. Obviously, there are many factors at play here, so let's restrict the discussion to the plain IEnumerable LINQ-to-Objects provider. Further, let's assume that any Func passed in as a selector / mutator / etc. is a cheap O(1) operation. ...
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How do you create a yes/no boolean field in SQL server?

What is the best practice for creating a yes/no i.e. Boolean field when converting from an access database or in general? ...
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How to save a plot as image on the disk?

...linear regression using R. I would like to save that image as PNG or JPEG, is it possible to do it automatically? (via code) ...
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How to manage a redirect request after a jQuery Ajax call

...server sends a redirect directive to send the user to the login page. In this case, jQuery is replacing the div element with the contents of the login page, forcing the user's eyes to witness a rare scene indeed. ...
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How to determine the first and last iteration in a foreach loop?

The question is simple. I have a foreach loop in my code: 20 Answers 20 ...