I am not a tech guy but what is the point for this request, please explain it to me i would like to understand thi

I am not a tech guy but what is the point for this request, please explain it to me i would like to understand this  

Card counting is not illegal, but casinos will kick you out if you get good enough.

Card counting is not illegal, but casinos will kick you out if you get good enough.

How experienced are you at backend engines? do you know PHp and Mysql or any framework, like Ruby on Rails? i will admit i could impprove my design skills.

How experienced are you at backend engines? do you know PHp and Mysql or any framework, like Ruby on Rails? i will admit i could impprove my design skills.