Is my statement correct that all individual functions of a topic can be found at the end of the topic, e.g. supply and demand = price-sales function?

Byserdet27

There are endless learning methods. I'm currently looking for one that's right for me. Is my learning method right? For example, do all the functions or topics from supply and demand apply to the price and sales function? Our teacher ended the topic there.

Evaluation of my employment reference?

ByAriel828

Could you please rate my employment reference and what grade I should give it and whether it is a courtesy reference. Mr. xxxxxxx possesses extensive and in-depth professional knowledge, which he has consistently applied effectively and successfully in practice. On his own initiative, he expanded his extensive expertise by completing further training as a certified…

I always get confused about the return values ​​or don't understand them (C++, function, pointer/reference/value)?

ByAcera

So if I have a function Obj* func () { Obj obj = new Obj; return *obj; } So I always get confused, for example, what would happen with Obj& and Obj simply And why And why does what matter when