This post is heavily opinionated and is hardly a beginners guide. I've never heard of Padrino to this day and I consider myself quite up-to-date developer. Beg

This post is heavily opinionated and is hardly a beginners guide. I've never heard of Padrino to this day and I consider myself quite up-to-date developer. Beginners should learn languages (preferably with standards in mind) first and then move to pseudo-languages/preprocessors like haml, coffeescript and less. And it all depends on what you are writing, not all languages/frameworks/tools suit every purpose. And Bootstrap is not a javascript library. It's a CSS framework (which includes some jQuery plugins).