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Representing null in JSON

What is the preferred method for returning null values in JSON? Is there a different preference for primitives? 7 Answers ...
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Unable to update the EntitySet - because it has a DefiningQuery and no element exis

I am using Entity Framework 1 with .net 3.5. 21 Answers 21 ...
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Which C++ idioms are deprecated in C++11?

With the new standard, there are new ways of doing things, and many are nicer than the old ways, but the old way is still fine. It's also clear that the new standard doesn't officially deprecate very much, for backward compatibility reasons. So the question that remains is: ...
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What is __future__ in Python used for and how/when to use it, and how it works

__future__ frequently appears in Python modules. I do not understand what __future__ is for and how/when to use it even after reading the Python's __future__ doc . ...
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REST APIs: custom HTTP headers vs URL parameters

When do you use custom HTTP headers in the request part of a REST API ? 8 Answers 8 ...
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?

The table in question contains roughly ten million rows. 9 Answers 9 ...
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Safely override C++ virtual functions

I have a base class with a virtual function and I want to override that function in a derived class. Is there some way to make the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures ...
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Export query result to .csv file in SQL Server 2008

How can I export a query result to a .csv file in SQL Server 2008? 14 Answers 14 ...
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“var” or no “var” in JavaScript's “for-in” loop?

What's the correct way to write a for-in loop in JavaScript? The browser doesn't issue a complaint about either of the two approaches I show here. First, there is this approach where the iteration variable x is explicitly declared: ...
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Tab Vs Space preferences in Vim

Vim is very accommodating when it comes to tab Vs. space preferences. As I understand it, the tabstop setting indicates the width of a tab character. The shiftwidth setting specifies how many columns to increment/decrement when using the << and >> commands, whereas the softtabst...