c++ Programming Glossary: purposes
What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters? http://stackoverflow.com/questions/11107608/whats-wrong-with-c-wchar-t-and-wstrings-what-are-some-alternatives-to-wide text. Portable code should not attempt to use it for these purposes. Non portable code may find it useful simply because some API..
Sell me on const correctness http://stackoverflow.com/questions/136880/sell-me-on-const-correctness of using const for correctness and maintainability purposes although it is also nice to have an idea of the performance..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol in which the class has the typedef name for linkage purposes 7.1.3 or a named enumeration 7.2 or an unnamed enumeration defined.. in which the enumeration has the typedef name for linkage purposes 7.1.3 or an enumerator belonging to an enumeration with linkage..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier POSIX.1 environment. While using these names for your own purposes right now might not cause a problem they do raise the possibility..
Generate random numbers uniformly over an entire range http://stackoverflow.com/questions/288739/generate-random-numbers-uniformly-over-an-entire-range way to generate random numbers of a range for simple purposes is double rand RAND_MAX 1 max min 1 min Note make sure RAND_MAX..
Why does C++ compilation take so long? http://stackoverflow.com/questions/318398/why-does-c-compilation-take-so-long completely eliminated they have to be there for reflection purposes but even a simple C template metaprogram can easily generate..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom first is the self assignment test. This check serves two purposes it's an easy way to prevent us from running needless code on..
Lifetime of temporaries http://stackoverflow.com/questions/4214153/lifetime-of-temporaries
C++ : Catch a divide by zero error http://stackoverflow.com/questions/4747934/c-catch-a-divide-by-zero-error those signals is only useful for debugging diagnosing purposes. There are some useful signals which are very useful in general..
smart pointers (boost) explained http://stackoverflow.com/questions/569775/smart-pointers-boost-explained or passed somewhere else. Which is most suitable for RAII purposes where the smart pointer is kept local and is just created so..
What are the barriers to understanding pointers and what can be done to overcome them? http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome I added these diagrams. Disclaimer For all intents and purposes this explanation and the example memory layouts are vastly simplified...
Resolve circular dependencies in c++ http://stackoverflow.com/questions/625799/resolve-circular-dependencies-in-c problem for the next time it happens again. So for the purposes of easy recall in the future I am going to post a representative.. A.h Houston we have a problem #include for all extents and purposes if you take the preprocessor out just copies the file into the..
C++ random float number generation http://stackoverflow.com/questions/686353/c-random-float-number-generation interval you choose. This is sufficient for learning purposes and toy programs. If you need truly random numbers with normal..
OpenCV 2.3 C++ Visual Studio 2010 http://stackoverflow.com/questions/7011238/opencv-2-3-c-visual-studio-2010 on VS2010 will refer to the build directory. For practical purposes I moved the folder OpenCV2.3 to my C drive so pay attention..
Executing cv::warpPerspective for a fake deskewing on a set of cv::Point http://stackoverflow.com/questions/7838487/executing-cvwarpperspective-for-a-fake-deskewing-on-a-set-of-cvpoint not_a_rect_shape.push_back Point 1912 291 For debugging purposes draw green lines connecting those points and save it on disk.. not_a_rect_shape.push_back Point 1912 291 For debugging purposes draw green lines connecting those points and save it on disk..
How do I pass a unique_ptr argument to a constructor or a function? http://stackoverflow.com/questions/8114276/how-do-i-pass-a-unique-ptr-argument-to-a-constructor-or-a-function references are not actually r values. It is here for demo purposes only . The temporary is just an r value reference to oldPtr..
Where are static variables stored (in C/C++)? http://stackoverflow.com/questions/93039/where-are-static-variables-stored-in-c-c executable file for those static variables. For discussion purposes lets assume we use the GCC toolchain. c c compiler share..
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