My application for the competition Daj się poznać 2017 will be using a Web API on the server side, to feed the Angular client app with the data. Today, I want to discuss one very simple, but also very important topic for the APIs accessed over HTTP.HTTP Status Codes The reason we will build Web API, is to have a fully standardized service, which will be able to query our database and provide the resources to the customer. Whoever we call a customer. In our case, it will be an Angular app, living in the...