Pluralsight is really good for beginner tutorials (C#, functional programming, Swift, iOS). They have someone who has experience and thought it through. The mon

Pluralsight is really good for beginner tutorials (C#, functional programming, Swift, iOS). They have someone who has experience and thought it through. The money is worth it for a filter. However, it's lacking in intermediate level tutorials and some are outdated. Udacity is great at learning Android from a holistic level and some of the tutorials are free, by Google.