Overview In the first two posts (integrating Auth0 with Angular and integrating Auth0 with Spring Boot) we have integrated Auth0 with both frontend and back end app. In this post, let’s try if we can use the token generated by Auth0 to call secured API endpoints from our Spring Boot app. Let’s get started. Create … Read more
Overview In the previous post, we integrated Angular with Auth0 successfully. In this post, we continue to integrate Auth0 with Spring Boot. The Spring Boot API is the resource server that our users will interact with to manage their wallets. Also, as in the series introduction, we mentioned that the database we use would be … Read more
Overview In this post, I’m going to show you how to create an Angular app and integrate it with Auth0. Why Auth0? It’s a service that lets us quickly handle user management. You can use other options (like keycloak) but Auth0 has a free plan that allows up to 7,000 monthly active users. That’s a … Read more
Overview Recently, I needed to add a feature to my gotkey.io application that lets user stores key-value pairs for their product. The sensible data structure to use in this case is obviously, a map. While that worked perfectly on the backend side, the frontend side posed some challenges. Specifically, when I tried to send a … Read more
Overview One of the biggest questions I have when studying the functional interfaces in java.util.function is why the creators made DoubleConsumer (LongConsumer, IntConsumer) while there is already a Consumer interface that can handle any kind of object. It turned out, they have solid reason to do so. Boxing, unboxing, autoboxing primer As you may already … Read more
Overview In Java functional programming, Consumers are incredibly versatile and valuable, particularly when it comes to performing actions on data without returning values. Why use Consumers? Here are the main reasons using Consumers is beneficial to your code: Simplifying Side Effects You may hear or read somewhere that in functional programming, side effects should be … Read more