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Hey friends,
I am Kevin. I'm a Software Engineer, Developer and Part-time blogger
On this site, I share with you principles, techniques and tools that will make it easier for you to learn professionals skills on Java and JavaScript technologies. With this in mind, I hope some of my articles here will resonate with you and you will enjoy reading my digital notes.

Join others friendly readers up there ⤴ and check my articles below ⤵ Join my newsletter here 👆🏽

🗂. Career

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Career
Want to become a Java developer? Read this

  19 Sep 2023

Career
Write a Brag Document and Get Your Work Recognized

  07 Dec 2022

👨🏽‍💻. tutorials

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  09 Nov 2023

4 Simple Ways to Remove Duplicates From a JavaScript Array

In this tutorial, I will show you how to remove duplications in a JS array with Set, Filter, Prototype and Lodash

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How to Fix the Host Key Verification Failed Git Clone Error
How to Fix the Host Key Verification Failed Git Clone Error

When you connect to a remote server for the first time (using SSH), its host key is stored inside a file called known_hosts inside the .ssh folder.

  28 Oct 2023

2 Simple Solutions to fix the warning about ECDSA host key
2 Simple Solutions to fix the warning about ECDSA host key

These are 2 fixes that can be implemented to resolve this issue about Warning: Permanently added the ECDSA host key

  28 Oct 2023

How to Easily Solve the Redis NOAUTH Authentication Required
How to Easily Solve the Redis NOAUTH Authentication Required

Redis NOAUTH authentication required is an error that occurs when attempting to authenticate with the Redis server or when trying to run a command without being authenticate

  26 Oct 2023

🏛. Software Architecture

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  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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🛠. Software Design

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SOLID Principles

In this article, we'll explore the SOLID principles and show you how to apply them in your own projects.

  09 Apr 2023

4 pillars of Object-Oriented Programming

In this article, I want to revisit in a simple way and with real world examples how, when and why to use each of these 4 principles.

  10 Jan 2023

Why Setters are Evil: Avoid Using Them

So many time we have inclusion of code or program structures that serve no real purpose.

  07 Jul 2022

🧪. Testing

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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

💻. Linux

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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

🪄. Snippets

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Get the Differences Between Two Arrays of Objects in JavaScript

In this snippet, I would show you to solve this issue, you can compare the array of data using filter() and some() array methods.

  09 Nov 2023

How to Ignore a File or a Folder with .gitignore

The git rm command, along with the --cached option, deletes the file from the repository but does not delete the actual file.

  28 Oct 2023

📚. BOOKCLUB

Mastery

  04 Feb 2023

The War of Art

  21 Sep 2022

So Good They Can't Ignore You

  08 Jun 2022

The Psychology of Money

  16 Mar 2022

Show your work

  17 Jan 2022

Recent News
Get the Differences Between Two Arrays of Objects in JavaScript
Get the Differences Between Two Arrays of Objects in JavaScript

  09 Nov 2023

In this snippet, I would show you to solve this issue, you can compare the array of data using filter() and some() array methods.

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