You should do your touch typing lessons as often as you are capable of without hurting your fingers! As with everything else, regular training gives the best result. Most people will probably get the best result by distributing the lessons to several days in the week rather the doing a lot of exercises in one day. It is a good idea to put your touch type training into a calendar to be sure to remember to do them. If you don't have a calendar you can use the Google calendar which is free and easy to use. In this way it is easier to remember to do your exercises.

Skillcrush’s Free Coding Camp is our totally beginner-friendly intro to tech, techies, and kick-ass careers that you can complete in less than five minutes a day. Delivered straight to your inbox, you will learn how to code in the simplest terms possible—and even get to try writing your own code!—so you can see if learning coding is the right move for you…

EdX is another leading online-learning platform that is open source instead of for-profit. It was founded by Harvard University and MIT in 2012, so you know that you’ll learn about cutting-edge technologies and theories. Today, edX includes 53 schools. You probably can’t go wrong with the free Introduction to Computer Science from Harvard University.