I\'m getting started with Qt (and C++, to a lesser extent), and I wanted to be sure I fully understood the base code before continuing on. I understand that the fir开发者_如何学Gost element in the ini
Parashift explains initialization lists w开发者_StackOverflowell, but does not explain why an extra copy of a variable is created before assignment in the ctor body, but no extra copy is created when
struct B { int b1, b2; B(int, int); }; struct D : B { 开发者_开发问答int d1, d2; // which is technically better ?
suppose I have the following class: class MyInteger { private: int n_; public: MyInteger(int n) : n_(n) {};
I want to know what\'s difference in the following two class. example 1: class A { string name; public: A(const char* _name):name(_name){}
In Effective C++, it is said that data elements in the initialization list need to be listed in the order of their declaration. It is further said that the reas开发者_开发问答oning for this is that de
I have been converting some of my math classes to templates and to use initialization lists, and run into a problem when the inherited class needs to access base class data members on initialization.
The following code is from here: #include <streambuf>// for std::streambuf #include <ostream>// for std::ostream
I\'ve reduced the problem 开发者_开发问答down to the following sample code: class Charizard { //truck
Watch the following example: 开发者_开发百科 class A { public: A(int param1, int param2, int param3) {
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