Dec 28, 2015 · Closed 9 years ago. These are two simple samples in C++ written on Dev-cpp C++ 5.4.2:

95 .cpp is the recommended extension for C++ as far as I know. Some people even recommend using .hpp for C++ headers, just to differentiate from C. Although the compiler doesn't care …

The meaning of #ifdef is that the code inside the block will be included in the compilation only if the mentioned preprocessor macro is defined. Similarly, #if means that the block will be …

33 Cpp Reference is always helpful!!! Details about explicit specifier can be found here. You may need to look at implicit conversions and copy-initialization too. Quick look The explicit specifier …

itoa will be faster than the stream equivalent. There are also ways of re-using the string buffer with the itoa method (avoiding heap allocations if you are frequently generating strings. e.g. for …

Separation of implementation details (aka definitions in foo.cpp) from which versions are actually compiled (in foo-impl.cpp) and declarations (in foo.h). I dislike that most C++ templates are …

32 For variables, specifies that the type of the variable that is being declared will be automatically deduced from its initializer. For functions, specifies that the return type is a trailing return type …

In C++ the "^" operator is a bitwise XOR. It does not work for raising to a power. The x << n is a left shift of the binary number which is the same as multiplying x by 2 n number of times and …

Jul 31, 2019 · Virtual corresponds to the default java behaviour, when the derived class overrides a method of the base class. Pure Virtual methods correspond to the behaviour of abstract …

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