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What is the lifetime of a static variable in a C++ function?
If a variable is declared as static in a function's scope it is only initialized once and retains its value between function calls. What exactly is its lifetime? When do its constructor and destructor get called?
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getResourceAsStream() vs FileInputStream
...as trying to load a file in a webapp, and I was getting a FileNotFound exception when I used FileInputStream . However, using the same path, I was able to load the file when I did getResourceAsStream() .
What is the difference between the two methods, and why does one work while the other doesn...
Specify multiple attribute selectors in CSS
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Search for selection in vim
I use vim and vim plugins for visual studio when writing C++. Often, I find myself wanting to search for a string within a function, for example every call to object->public_member.memberfunc() .
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How to use android emulator for testing bluetooth application?
I am developing an application which will send a request to a bluetooth printer for printing. The code is working fine for real devices, but I want to run it on the Android Emulator. How can I use the emulator for bluetooth testing?
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Callback functions in C++
In C++, when and how do you use a callback function?
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How do I stop a Git commit when VI is on the screen waiting for a commit message?
I have asked Git to perform a commit from within git bash, It has brought up VI as it always does.
3 Answers
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Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
I had the same question as asked here: New git repository in root directory to subsume an exist repository in a sub-directory
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How to set initial size of std::vector?
I have a vector<CustomClass*> and I put a lot of items in the vector and I need fast access, so I don't use list. How to set initial size of vector (for example to be 20 000 places, so to avoid copy when I insert new)?
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D3.js: How to get the computed width and height for an arbitrary element?
I need to know exactly the width and height for an arbitrary g element in my SVG because I need to draw a selection marker around it once the user has clicked it.
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