It's all about the fundamentals - don't let shiny buzzwords fool you.

Nowadays it looks like everyone is about these new frameworks with funny names, and libraries with buzzwords all around. After 10+ years in the industry, you can tell that it's all the same in the end. If you don't fully understand the fundamentals of computer science and engineering, the outcome will always be bad.

Go back to basics, derive the math, learn the actual language and all its features. That is the real power.