When working on a project with Git, you might find yourself in a situation where you need to stop tracking certain files or directories that were previously committed. This could include sensitive information, temporary files, or build artifacts. Fortunately, Git provides a solution for this using the .gitignore file. In this tutorial, we'll walk…
In Git, managing commits is a crucial aspect of maintaining a clean and organized repository. Sometimes, you might need to undo or revert commits due to various reasons such as introducing bugs, committing incorrect changes, or simply wanting to revert to a previous state. This tutorial will guide you through the process of undoing…
Introduction Environment variables play a crucial role in configuring applications within Docker containers. They provide a convenient way to customize container behavior without modifying the underlying code. In this tutorial, we'll explore different techniques for passing environment variables to Docker containers, along with code examples illustrating each method. Prerequisites Before we begin, ensure you…
Introduction In the world of Docker, understanding the disparity between images and containers is crucial. Docker images and containers are fundamental components of Docker technology, but they serve distinct purposes. Let's delve deeper into each and clarify their disparities. Docker Images Docker images are the building blocks of Docker containers. They are lightweight, standalone,…
Introduction to JaCoCo JaCoCo, short for Java Code Coverage, is a widely-used tool for measuring code coverage in Java applications. It provides detailed information on how much of your code is executed during automated tests, helping you assess the effectiveness of your test suite. In this tutorial, we'll delve into JaCoCo's key features, installation,…
Introduction to Spring Data Neo4j Graph databases offer a powerful way to model and query complex relationships between data points. Spring Data Neo4j provides seamless integration between Spring applications and the Neo4j graph database, allowing developers to build robust and scalable applications with ease. In this tutorial, we'll walk through the basics of Spring…
Spring HATEOAS (Hypermedia as the Engine of Application State) is a key module in the Spring ecosystem that simplifies creating RESTful APIs by including hypermedia links in responses. It encourages building APIs that are more self-descriptive and navigable, following REST principles closely. Here’s a guide to get you started with Spring HATEOAS, along with…
Introduction:In this tutorial, we'll explore how to implement file upload functionality in a Spring MVC web application. File upload is a common requirement for many web applications, whether it's for uploading user avatars, documents, or any other type of file. By leveraging Spring MVC, we can easily handle file uploads and seamlessly integrate them…
Introduction:Querydsl is a powerful library that simplifies the creation and execution of database queries in Java applications. When combined with Java Persistence API (JPA), it offers a seamless way to interact with relational databases. In this tutorial, we'll delve into Querydsl with JPA, exploring its features and demonstrating how it can enhance your database…
Introduction:Stored procedures offer a powerful means of encapsulating business logic within your database, promoting efficiency, security, and maintainability. When integrated with Java Persistence API (JPA), they can enhance the performance and scalability of your applications. In this tutorial, we will delve into the world of stored procedures with JPA, covering integration, implementation, and optimization…