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 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
Overview When working with spring data jpa, you probably come across issues like this: You have an entity with an @Embedded attribute. The @Embeddable class has the one property that has the same name as one of your entities’. You got this error when running the program: What do you do? Why Do you have … Read more
Overview Working with currency data in Java involves several key aspects: conversion rates, formatting, rounding, and arithmetic operations. This article will guide you through handling these aspects effectively in Java, ensuring accurate and reliable financial applications. Conversion Rates To handle currency conversion, you can use external APIs like the ExchangeRate-API. This API allows you to … Read more