Database-Based Authentication in Spring Security: A Step-by-Step Tutorial

Published date 6 August 2023 Categories Blog / Java / Spring Boot

In this tutorial, we will explore how to implement database-based authentication using Spring Security. We’ll create a simple web application with user registration, login, and access control. Table of Content: Setting Up the Project Let’s start by setting up a new Spring Boot project. You can do this manually or use Spring Boot Initializr to generate the project structure. Ensure...

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How to Audit JPA Entities Using Envers in a Spring Boot Application

Published date 6 August 2023 Categories Blog / Java / Spring Boot

In this tutorial, we will walk through the process of setting up auditing for JPA entities using Envers in a Spring Boot application. We will create an example Spring Boot project, define JPA entities, configure Hibernate Envers, and demonstrate how to retrieve audit information from the database. In modern applications, tracking data changes is crucial, especially in critical systems handling...

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Joining Unrelated Entities with JPA and Hibernate in Spring Boot

Published date 6 August 2023 Categories Blog / Java / Spring Boot

In this tutorial, we will explore how to join unrelated entities using JPA (Java Persistence API) and Hibernate in a Spring Boot application. The process of joining unrelated entities allows us to retrieve data from different tables that have no direct association using a single database query. By the end of this tutorial, you will have a better understanding of...

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How to Audit Tables in MySQL Using NestJS

Published date 5 August 2023 Categories Blog / NodeJs

In this tutorial, we’ll walk you through the steps to implement auditing for MySQL tables using NestJS, a popular Node.js framework for building scalable and maintainable server-side applications. We’ll assume you have basic knowledge of NestJS and have set up a NestJS project with a working MySQL database connection. In many applications, it is crucial to keep track of changes...

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Writing a DataFrame to CSV File in Python with pandas

Published date 5 August 2023 Categories Blog / Python

In this tutorial, we will learn how to write a DataFrame to a file using the pandas library in Python. DataFrames are a powerful data structure in pandas that allow us to store and manipulate data in tabular form. Saving DataFrames to files is essential for data analysis and sharing data with others. Before we begin, make sure you have...

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How to Install Laravel in MacOS – An step by step guide

Published date 5 August 2023 Categories Blog / How to

In this tutorial, we will walk you through the process of installing Laravel on a Windows operating system. By following these steps, you’ll not only install Laravel but also have a fully functional Laravel environment ready for your web development projects.Laravel, an elegant PHP framework, empowers developers to build feature-rich web applications with ease. Step 1: Install Homebrew Step 2:...

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How to Install Laravel in Windows – An step by step guide

Published date 5 August 2023 Categories Blog / How to

In this tutorial, we will walk you through the process of installing Laravel on a Windows operating system. By following these steps, you’ll not only install Laravel but also have a fully functional Laravel environment ready for your web development projects. Laravel, a powerful PHP framework, empowers developers to create feature-rich and dynamic web applications with ease. Step 1: Install...

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How to use Axios in NodeJs for Efficient HTTP Requests

Published date 5 August 2023 Categories Blog / NodeJs

In this tutorial, we will walk through the process of setting up Axios in a Node.js environment, making GET and POST requests, handling errors, and optimizing performance. Axios is a popular and powerful JavaScript library that enables smooth and efficient handling of HTTP requests in Node.js. With its simple and easy-to-use API, Axios has become a go-to choice for developers...

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Implementing the Strategy Pattern using Lambda Expressions in Java 8

Published date 5 August 2023 Categories Blog / Java

In this tutorial, we will explore how to implement the Strategy Pattern in Java 8 using lambda expressions, which will significantly simplify our code and make it more concise. Table of Content: Understanding Strategy Pattern The Strategy Pattern is a behavioral design pattern that focuses on encapsulating a family of algorithms, making them interchangeable, and allowing clients to select the...

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Understanding the Difference Between Float and Double in Java

Published date 4 August 2023 Categories Blog / Java

In Java, when dealing with numeric values that require decimal points, developers have two primary data types at their disposal: float and double. While both are used to represent floating-point numbers, they differ in precision and size. Understanding the distinctions between these data types is crucial to writing efficient and accurate Java programs. In this blog post, we’ll dive into...

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