https://www.mobomo.com/2014/10/how-to-set-up-angular-with-rails-part-2/
- Setting up test frameworks
- Creating a Rails API
- Making the Angular frontend talk to the Rails API
http://stackoverflow.com/questions/14511002/angular-js-with-sinatra
- Conceptual explanation on how AngularJS and Sinatra integrates
http://mykindofgeek.com/programming/its-an-angular-life
- Code demo
http://arian-celina.com/implementing-rest-services-in-angularjs-using-restangular/
- Rest services in full angular
https://github.com/mgonto/restangular
- RESTangular gem