If it involves learning a new language/framework/API etc, a good idea would be to work out the examples/exercises given in the book, and create a github repo fo

If it involves learning a new language/framework/API etc, a good idea would be to work out the examples/exercises given in the book, and create a github repo for it. Keep pushing in your code to the repo regularly as you work through the book. You can also include exercises that you have found elsewhere on the Internet/other books. You can arrange the code according to the sections.