Overview It’s 2023 and nobody is storing files on their server anymore. There are many choices available. For me, I choose AWS S3 since I have it and it’s one of the cheapest available (as far as I know). In this post, we are going to configure a bucket and then write an API to … Read more
Overview With all the setup done, let’s focus on making our app. The main purpose of the app is to let the user track their income and expenses. You’ve probably come through apps like this many times. We can spend the whole day listing all possible features an app like this can have. However, for … Read more
Overview In the previous post, we tested the Auth0 integration with both the backend and frontend application and could call the backend API with tokens obtained from the frontend. In this post, we continue with the infrastructure setup using Docker. First, we are going to get MongoDB up and running. Second, we will set up … 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 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