Tech will change but the core of computing science will not. If you haven't done this already: Immerse yourself (even briefly) in the fundamentals of comp sci

Tech will change but the core of computing science will not. If you haven't done this already: Immerse yourself (even briefly) in the fundamentals of comp sci with Java, database structures (RDBMS) and healthy amount of maths. No matter the platform, I always seem to revert to what I learned back then.