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Why does z-index not work?

So if I understand z-index correctly, it would be perfect in this situation: 4 Answers ...
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Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?

I've just lost three days of my life tracking down a very strange bug where unordered_map::insert() destroys the variable you insert. This highly non-obvious behaviour occurs in very recent compilers only: I found that clang 3.2-3.4 and GCC 4.8 are the only compilers to demonstrate this "feature"....
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How do I round a decimal value to 2 decimal places (for output on a page)

When displaying the value of a decimal currently with .ToString() , it's accurate to like 15 decimal places, and since I'm using it to represent dollars and cents, I only want the output to be 2 decimal places. ...
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$.ajax - dataType

What is the difference between 4 Answers 4 ...
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HashSet versus Dictionary w.r.t searching time to find if an item exists

Whose .Contains method will return quicker? 5 Answers 5 ...
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How to get a pixel's x,y coordinate color from an image?

Is there any way to check if a selected(x,y) point of a PNG image is transparent? 4 Answers ...
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how to get an uri of an image resource in android

I need to open an intent to view an image as follows: 6 Answers 6 ...
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Does a const reference class member prolong the life of a temporary?

Why does this: 5 Answers 5 ...
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visual c++: #include files from other projects in the same solution

...on a game using Visual C++. I have some components in separate projects, and have set the project dependencies. How do I #include a header file from a different project? I have no idea how to use classes from one project in another. ...