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Hi, Victor -- this concepts covered are still applicable to Angular 1.x applications. The main points are to organize by feature, keep your controllers small and your models fat.
Also, you can see a pretty simple pattern for hooking up $http a real REST API in this series which starts here http://onehungrymind.com/build-simple-rest-app-angularjs-part-1-node-api-strongloop/
Hope that helps!