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๐Ÿ‘จ๐Ÿฝโ€๐Ÿ’ป. tutorials

  03 Apr 2024

How To Run A Node.js App In Docker Including Environment Variables

This guide explores how to run a Node.js application in a Docker container while efficiently managing environment variables using a dedicated file.

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How to Use Spring Data JPA Specifications with SQL
How to Use Spring Data JPA Specifications with SQL

In this article, I will show step by step how you can configure, implement and use JPA Specifications in your Spring Boot project.

  01 Apr 2024

How to Convert Java POJO to JSON Using Jackson Library
How to Convert Java POJO to JSON Using Jackson Library

JSON or JavaScript Object Notation has become a fundamental component in modern programming, In this guide, we'll explore how to leverage the Jackson library to convert Java objects to JSON effortlessly.

  26 Mar 2024

Why Using Private Constructors with Java in Object-Oriented Programming
Why Using Private Constructors with Java in Object-Oriented Programming

This blog post will talk about why private constructors are used in modern software development.

  26 Mar 2024

๐Ÿ›. Software Architecture

  16 Jul 2022

Hexagonal Architecture - Implementing Port and Adapter with Java

In this post you will learn an introduction to port and adapters architecture with Java

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๐Ÿ› . Software Design

Use Static Factory Method Instead of Constructors

Through practical examples and insightful explanations, you'll gain a comprehensive understanding of how to create objects using Static Factory Method

  31 Dec 2023

Instance-Controlled Classes | Efficiently Manage your Objects

In this blog post, you will understand what instance controlled class are and to manage your objects creation professionally

  31 Dec 2023

SOLID Principles

In this article, we'll explore the SOLID principles and show you how to apply them in your own projects. By the end, you'll have a good understanding of how to write robust and scalable code.

  09 Apr 2023

๐Ÿงช. Testing

Unit and Integration Testing Pagination and Sorting With JPA, JUnit and Testcontainers

So, in this article, you will learn how to write unit and integration tests for Pagination and Sorting using JPA/ Hibernate with SQL (Postgres) Database and Spring Boot.

  29 Sep 2023

Unit and Integration Testing Made Easy on Image Management for SQL Database with Spring Boot

In this article you will learn how to write unit, integration and end-to-end test for image management with SQL (Postgres) Database and Spring Boot

  08 Jul 2023

๐Ÿ’ป. Linux

How to Find and Replace Text with Sed Command on Linux

In this article, you will see how to find and replace text with the SED command on Linux

  22 Aug 2023

Linux Directory Structure Explained

In this article, we'll explore the different directories that constitute the Linux file system and how they contribute to the functioning of the OS.

  16 May 2023

๐Ÿช„. Snippets

Resolving java.lang.NoClassDefFoundError in Java 11+ for javax.xml.bind.JAXBException

This error commonly arises when migrating Java projects to Java 11 or later versions due to the removal of JAXB APIs in Java 11.

  24 Mar 2024

How to Run a Function on All Elements of an Object in JavaScript

In this blog post, you will learn how you can run a function on all elements of an object in Javascript

  19 Mar 2024

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