Useless question. Has been asked in various forms here and answered many times. TL;DR A. nobody knows B. nobody cares (i.e. about what current new shiny thi

Useless question. Has been asked in various forms here and answered many times. TL;DR A. nobody knows B. nobody cares (i.e. about what current new shiny thing is, only about your actual _engineering_ skill which is not easily broken down to a list of specific topics to learn per se)