I had similar problem, but then I started to look at it from the other way around, and now I am just carrying around a few concepts in my head that I really lik

I had similar problem, but then I started to look at it from the other way around, and now I am just carrying around a few concepts in my head that I really like, and every time I need to learn new language, I am first looking at how these concepts map: * data definitions for lists and key/value pairs, and how to nest them, change them, access them * function and anonymous function definitions * map, filter, reduce/fold over lists and key/value pairs * api to communicate with world that uses tasks/promises This way, my code looks familiar and similar regardless if I write it in C#, Javascript, Java, or Clojure. Main drawback is, that this limits my comfort zone to languages that have at least lambdas and closures.