What are some general techniques you can use to avoid buffer overflows when developing an application?

What sorts of performance concerns are there with dangling pointers?

Are these two statements the same?

intbox= newint[6];

and

int*box= newint[6];

What is the benefit of using pointers?

Is this designed for performance purposes?

Is there any security vulnerability with pointers?

What real-world applications are pointers used for?

I want the be in English