this project exists only to show examples of common issues and questions that are seen in forums and communities such as StackOverflow
go to https://chriscamac.github.io/angular-by-example
once there, go to the examples section and find examples of issues you want to know more about and see the specific examples for info on ways to tackle that issue
you can also explore this repo so that you can see the code used to generate that site, which provides a behind the scenes look at the examples in action
go to the issues section of this repo and jump in
you can also contribute by adding issues for examples you would like to see added to the site