c++ Programming Glossary: during
How to overload std::swap() http://stackoverflow.com/questions/11562/how-to-overload-stdswap by many std containers such as std list and std vector during sorting and even assignment. But the std implementation of swap..
What is an undefined reference/unresolved external symbol error and how do I fix it? http://stackoverflow.com/questions/12573816/what-is-an-undefined-reference-unresolved-external-symbol-error-and-how-do-i-fix might be folded together. The specified errors occur during this last stage of compilation most commonly referred to as..
throwing exceptions out of a destructor http://stackoverflow.com/questions/130117/throwing-exceptions-out-of-a-destructor in undefined behavior how do you handle errors that occur during a destructor If an error occurs during a cleanup operation do.. errors that occur during a destructor If an error occurs during a cleanup operation do you just ignore it If it is an error..
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 again and meet the #ifndef A_H directive again. However during previous preprocessing macro A_H has been defined. Therefore..
C++ Which is faster: Stack allocation or Heap allocation http://stackoverflow.com/questions/161053/c-which-is-faster-stack-allocation-or-heap-allocation many standard library implementations take time to do this during deletes if I am not mistaken . This strikes me as something..
Initializing private static members http://stackoverflow.com/questions/185844/initializing-private-static-members file will have a definition of the static member. Thus during the link phase you will get linker errors as the code to initialize..
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior completely with unpredictable results to behaving during translation or program execution in a documented manner characteristic..
How to stop C++ console application from exiting immediately? http://stackoverflow.com/questions/2529617/how-to-stop-c-console-application-from-exiting-immediately used it a lot as a quick hack of sorts when writing tests during development. At the end of your main function you can call std..
What is move semantics? http://stackoverflow.com/questions/3106110/what-is-move-semantics lexically contains the rvalue . This is important because during the initialization of b and c we could do whatever we wanted..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab to modify a string literal or any other const object during its lifetime Concatenating a narrow with a wide string literal.. lifetime Concatenating a narrow with a wide string literal during preprocessing Function and Template Not returning a value from.. overlapping objects Recursively re entering a function during the initialization of its static objects Making virtual function..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points completely with unpredictable results to behaving during translation or program execution in a documented manner characteristic..
Polymorphism in c++ http://stackoverflow.com/questions/5854581/polymorphism-in-c time means the choice of type specific code is made during compilation. A consequence of this say a program only called.. 1.1 If we want the amount x to be treated as a real number during the division i.e. be 6.5 rather than rounded down to 6 we only..
C++ random float number generation http://stackoverflow.com/questions/686353/c-random-float-number-generation generator by calling srand . This should be done once during your program's run not once every time you call rand . This..
Floating point comparison http://stackoverflow.com/questions/7011184/floating-point-comparison else printf 0 are right Floats get promoted to doubles during comparison and since floats are less precise than doubles 0.7..
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization) http://stackoverflow.com/questions/712639/understanding-the-meaning-of-the-term-and-the-concept-raii-resource-acquisiti if original was constructed its destructor will be called during cleanup of the Logger constructor. RAII simplifies cleanup after..
C++, Free-Store vs Heap http://stackoverflow.com/questions/1350819/c-free-store-vs-heap without the memory being immediately deallocated. During the period when the storage is allocated but outside the object's..
Downloading and integrating Qt5 with Visual Studio 2012 http://stackoverflow.com/questions/15826893/downloading-and-integrating-qt5-with-visual-studio-2012 re configure if your installation is already configured. During the process you may encounter an error using nmake on a file...
does not name a type error in C++ http://stackoverflow.com/questions/2133250/does-not-name-a-type-error-in-c declare User that is declare it but don't define it. During compilation a type that is declared but not defined is called..
Disable sleep mode in Windows Mobile 6 http://stackoverflow.com/questions/246407/disable-sleep-mode-in-windows-mobile-6 if PowerPolicyNotify PPN_UNATTENDEDMODE FALSE handle error During unattended mode use you still need to call the KeepAlive a lot..
Loading a dll from a dll? http://stackoverflow.com/questions/2674736/loading-a-dll-from-a-dll loader lock as explained by the documentation of DllMain During initial process startup or after a call to LoadLibrary the system..
C/C++ line number http://stackoverflow.com/questions/2849832/c-c-line-number . They are predefined macros and part of the C C standard. During preprocessing they are replaced respectively by a constant string..
What are the pitfalls of ADL? http://stackoverflow.com/questions/2958648/what-are-the-pitfalls-of-adl called my_stuff print . Why is my_stuff print selected During name lookup the compiler sees that the argument to the call..
::std::vector::at() vs operator[] << surprising results!! 5 to 10 times slower/faster! http://stackoverflow.com/questions/3269809/stdvectorat-vs-operator-surprising-results-5-to-10-times-slower-f operator surprising results 5 to 10 times slower faster During program optimization trying to optimize a loop that iterates..
Circular Dependency in C++ http://stackoverflow.com/questions/4018816/circular-dependency-in-c through the list and asks each Specialist to initialize. During their initialization each Specialist asks the Manager to supply..
How to teach a crash course on C++? [closed] http://stackoverflow.com/questions/48496/how-to-teach-a-crash-course-on-c autotools basic debugger commands any topic they ask about During the course each person individually writes compiles runs and..
the question on while (cin >> ) http://stackoverflow.com/questions/5360129/the-question-on-while-cin structure is sth like the above one. It is compilable. During the execution I keep inputting something like aa bb cc dd My..
Does const-correctness give the compiler more room for optimization? http://stackoverflow.com/questions/6313730/does-const-correctness-give-the-compiler-more-room-for-optimization restrict . Section 6.7.3.1 4 of the C99 standard says During each execution of B let L be any lvalue that has L based on..
Object destruction in C++ http://stackoverflow.com/questions/6403055/object-destruction-in-c to the caller. This process is called stack unwinding . During stack unwinding no further exceptions may leave the destructors..
Why do I need to use typedef typename in g++ but not VS? http://stackoverflow.com/questions/642229/why-do-i-need-to-use-typedef-typename-in-g-but-not-vs Template compilation requires a two step verification. During the first pass the compiler must verify the template syntax..
Dereferencing an invalid pointer, then taking the address of the result http://stackoverflow.com/questions/7346634/dereferencing-an-invalid-pointer-then-taking-the-address-of-the-result specified in conv.lval ISO IEC 14882 2011 page 82 4.1 #1 . During the evaluation of ` ptr' the program does not necessitate the..
Order of evaluation of arguments using std::cout http://stackoverflow.com/questions/7718508/order-of-evaluation-of-arguments-using-stdcout call to the function. So this is right to left evaluation During debugging though it seems that the function is called prior..
DLL References in Visual C++ http://stackoverflow.com/questions/809948/dll-references-in-visual-c file you can still use the dll by importing it yourself. During your applications startup you can explicitly load the dll by..
What is “rvalue reference for *this”? http://stackoverflow.com/questions/8610571/what-is-rvalue-reference-for-this qualification on the member function declaration. ... p5 During overload resolution ... t he implicit object parameter ... retains..
Include .cpp file? [duplicate] http://stackoverflow.com/questions/8836871/include-cpp-file compilation. The reason is the way that templates work. During compilation the compiler instantiates template classes based..
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