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How do I apply the for-each loop to every character in a String?
So I want to iterate for each character in a string.
9 Answers
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Are std::vector elements guaranteed to be contiguous?
My question is simple: are std::vector elements guaranteed to be contiguous? In order word, can I use the pointer to the first element of a std::vector as a C-array?
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C++ preprocessor __VA_ARGS__ number of arguments
Simple question for which I could not find answer on the net. In variadic argument macros, how to find the number of arguments? I am okay with boost preprocessor, if it has the solution.
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Where does git config --global get written to?
When using git config --global to set things up, to which file will it write?
17 Answers
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Using arrays or std::vectors in C++, what's the performance gap?
In our C++ course they suggest not to use C++ arrays on new projects anymore. As far as I know Stroustroup himself suggests not to use arrays. But are there significant performance differences?
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Printing leading 0's in C?
I'm trying to find a good way to print leading 0's, such as 01001 for a zipcode. While the number would be stored as 1001, what is a good way to do it?
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Conditional Variable vs Semaphore
When should one use a semaphore and when should one use a conditional variable (CondVar) ?
6 Answers
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Most used parts of Boost [closed]
When I discovered boost::lexical_cast I thought to myself "why didn't I know about this sooner!" - I hated having to write code like
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How to step through Python code to help debug issues?
In Java/C# you can easily step through code to trace what might be going wrong, and IDE's make this process very user friendly.
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How to display an unordered list in two columns?
... the following HTML, what is the easiest method to display the list as two columns?
15 Answers
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