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
TLDR; If you set connection timeout, you also need to explicitly set read timeout (to 0 for infinite timeout) Overview Setting timeout for HTTP connection is something most developers don’t do. However, it is vital you set this configuration right when you have to. Connection Timeout and Socket Timeout In layman’s terms, connection timeout governs … Read more
Overview Nowadays, creating applications that serve users from different countries with different languages and dialects is a common practice. How to make your application friendly to users across the globle? That’s what we are going to find out today. I18n and l10n Internationalization (i18n) is the process of designing your software ready to serve people … Read more
If you see this issue: That means testcontainers cannot find a docker env to run. There are a few things you can do. Check .testcontainers.config Open .testcontainers.properties file under your home directory. If that file exists, make sure it points to the right docker host. Enable docker sock In Docker Desktop If you use Docker … Read more