> a) learning a brand new programming language, b) learning exotic frameworks, c) getting acquainted with ..language.., d) learning how to troubleshoot and debu

> a) learning a brand new programming language, b) learning exotic frameworks, c) getting acquainted with ..language.., d) learning how to troubleshoot and debug ... applications, e) properly setup a software dev environment, and f) finally fix the issue. Applies with every language and framework one is not familiar with.