Start with www.coursera.org. There, you will find classes with varying degree of difficulty. If you can, audit a computer science class in the nearby college/un

Start with www.coursera.org. There, you will find classes with varying degree of difficulty. If you can, audit a computer science class in the nearby college/university. Build something that you think you would be able to use yourself. Build it bottom-up, one small feature at a time.