How does a low effort post like this make to the front page of HN? You have been programming for 15 years in Ruby, and you are confused about how to learn a ano

How does a low effort post like this make to the front page of HN? You have been programming for 15 years in Ruby, and you are confused about how to learn a another language? Here's your answer: start programming a project that interests you in the domains you listed. Learn something, ask question, iterate. Seriously, what kind of answer are you expecting here? Are you expecting someone to give you a brand new way of learning a subject? Something outside the bounds of tutorials/videos/documentation/hands-on?