The Rule of Three
The Stack Overflow question “What is the Rule of Three?” addresses a fundamental concept in C++ programming related to resource management and object copying. The Rule... »
What's the problem with "using namespace std;"
In C++, using namespace std can simplify your code by allowing you to omit the std:: prefix for standard library components. However,... »
Forward declaration in C++
Why need use forward declaration? when we can use it? I will figure out these problem separately.
Why
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Forward-declarations can significantly reduce build... »