分类目录归档：CODING

Performance of Pointer vs Index in C++

When we write an array assignment statement in C++, there are two different approachorIs there any difference in Performance between two way? The conclusion is: Using Pointer(First approach) not nev...阅读全文

Underfined Reference to “xxx” When Use GCC

1. Problem DescirblIt is common for us to meet the problem when we use gcc to link and generate the executable problem, such asHence, What should we do next2. Reason and SolutioIt is a command pro...阅读全文