Overview If you are working on swing desktop app, MigLayout is a great library to help you layout your app quickly. MiGLayout revolves around flexibility and simplicity while offering powerful features for fine-grained layout control. Here are the main concepts to understand when working with MiGLayout. 1. Components and Cells 2. Layout Constraints Here are … Read more
Overview Pattern matching is one of the most powerful features introduced in the recent versions of java. It helps us remove the redundant type casting. In this post, I will cover the key aspects of pattern matching with examples. Let’s get started. What is pattern matching? When talking about pattern matching in java, the first … Read more
Overview If you have tried setting auto-index-creation in spring data mongodb without success, like this: Then this post will show you how to work around this. Let’s get started. Enable auto index creation in MongoDB First, let’s consider this document Here, I defined an unique index for my document named rate_limit_config_service_name but when the application … Read more
Overview When connecting from frontend to backend, you may encounter the infamous CORS error I will not explain to you what CORS error is (there are plenty of good resource for that). I only show you how to configure a filter in Spring Boot so you can fix this error and go back to work … Read more
Overview Do you love writing commit messages? If so, you can return to your development now 😛 For those of us who doesn’t enjoy writing commit messages very much, there is a solution. Let me walk you through how to commit without you writing the commit message but let the AI do that. I posted … Read more
Java provides several ways to initialize a HashMap directly, making your code more concise and readable. In this blog post, we’ll explore different methods to create and populate a HashMap in one go using Java. 1. Using Map.of() (Java 9+) For small, immutable maps, you can use the Map.of() method: This method is convenient but … Read more