Category: Programming

This is simple, practical step by step tutorial of test-driven development(TDD) in Visual Studio. In this tutorial, you’ll learn how to implement simple TDD scenario …

In this tutorial we would see how we can allow login to our application using OAuth 2.0.

I this lesson, I would teach you how us  to insert data using a form using Thymeleaf. We also see how to display data on a …

Question – Linked List in Java How would you reverse a linked list in Java. For example. Input: 1 -> 2 -> 3 -> 4 …

First, I would like to say that regular expressions are an interesting topic. This is because you can do a lot with them.   Introduction …

In this article, we would examine the latest software development methodology.

We are going to consider Ford-Fulkerson algorithm which is an algorithm to determine the maximum flow through a cut in a  flow network.

Today we are going to consider the key concept of Fuzzy Logic and I will try to explain in very clear terms. Testing

In his step by step tutorial, we would use Entity Framework to create an MVC application. This application would maintain a list of item. We …

In this tutorial, you will learn how to create encrypt and decrypt messages using Node.js.  

This is Part 3 SpringBoot Roles and Privileges implementation for our Inventory Management System (InventoryMS). In this tutorial, we would actually implement the Roles and …

This is Part 3 of our implementation of SpringBoot roles and Privileges for our Inventory Management System (InventoryMS). In this part we would discuss and …

In this tutorial, you will learn how to implement SpringBoot Roles and Privileges. In this part, we would go on to understand the various roles …

In this tutorial, you will learn how to protect some routes in your React application. We would create an Authentication Context and then we would …

Note: this document is live and will continue to be updated while we develop the InventoryMS application This is the second part (Part 2) of …

In this tutorial, you will understand the how authentication works between React UI and SpringBoot backend. What You will Learn How users are authenticated from …

This is Part 2 of the tutorial on How to a authenticate from React application to Spring Boot API. In this part you will actually …

In this tutorial, you will learn how to add Spring Security to your Spring Boot REST API and require authentication to be able to access …

In this tutorial, you will learn how to create a complete application step by step using SpringBoot and React frontend. Introduction to InventoryMS Create the …

In this tutorial, I will show you how to filter a Dropdownlist based on another Dropdownlist in React. We would use the example of Product, …

In this tutorial, I will show you how to implement pagination on react table using Material UI. Define the page and rowsPerPage States Setup the …

This is Part 1 of the Series: Software Design Patterns. In this tutorial series, I would explain to you the important software design patterns you …

In this tutorial, you will learn how to add role-based authorization to a Spring Boot application. This tutorial would simply take you through all the …

In this tutorial, you will learn about build tools. We would discuss some of the popular build tools out there and how to choose a …

In this tutorial, you will understand Github action and how to set it up. We would create a simple Spring Boot application locally, build it …

In this tutorial, you will learn how to create and publish your first npm package step by step. Prerequisite Make sure you have an NPM …

In this tutorial, you will learn Method 2 of how to integrate the AdminLTE template with Angular application. In Method 1 we did the integration …

In the previous tutorial, you learnt How to Setup a Local Kubernetes Cluster (Minikube) and deploy a SpringBoot application. You also learn how to access …

In this tutorial, you will learn how to easily setup local Kubernetes cluster. Then we would create a simple Spring Boot application and deploy to …

We would not complete this series on How to Implement Pagination in Spring Boot. You can find Part 1 here. In this part we would …

In this tutorial, you will learn how to easily implement pagination in Spring Boot with Thymeleaf page and JpaRepository. This would be a step-by-step tutorial …

In this tutorial, we would learn how to deploy a Spring Boot application to a local Kubernetes cluster. This would be the first of series …

This is a simple and clear solution to the Queen’s  Attack 2 problem in HackerRank. It take just three steps as given below: determine all …

In this step by step tutorial, you will learn how to secure your REST API endpoints using Auth0. Create a NestJs Application Add Two More …

This is Season 1 of building a complete application in ASP.NET C# using SQL Lite. All the parts are provided below: Part 1 –  Introduction …

In this tutorial we would build a complete application with ASP.NET and C# Programming Language. It would be a Hospital Management System – HospitalMS. All …

In this tutorial, you will learn how to setup and use the top 5 UI components in Angular Material, Primeng and Bootstrap. I have decided …

This is a beginner tutorial on how to build and deploy microservices using Docker-Compose. But first, we’ll learn what docker-compose is and what it’s used …

In this tutorial, you will learn step by step how to Dockerize your Spring Boot application. We would create a Docker container of a Spring …

I would show you several way you can pass variables from one component to another in Angular. We would cover the following;   Set up …

In this tutorial, you will learn about GraphQL and how to use it. This would be useful to you if you have a basic knowledge …

In this tutorial, you will learn how to build a WordPress plugin from the scratch! This would be a practical tutorial with all the code …

In this tutorial, you would learn how to use layout and content page in a Spring application. This is also called Master and Content page …

We’ll outline the components of a Messaging Architecture based on RabbitMQ. We would examine terms including: Producer, Consumer, Exchanger, Routing Key, Binding etc. See tutorial …

Thanks for visiting my page! This article outlines my activities during my 1 year National Youth Service Corps(NYSC) assignment in Nigeria. Please enjoy reading and …

Thousands of Hungarian users on LinkedIn wake up to find that their location has changed from Budapest, Hungary to Brisbane, Australia. This was first noticed …

In this tutorial, we would learn how to install and setup Failover cluster in Windows Server 2019 step by step. In the previous tutorial, we …

In this tutorial, we would learn how to configure iSCSI disks in Windows Server 2019 and setup a iSCSI target server. The following would be …

In Part 1, we set up our a domain and configured a domain controller. In this part, we would look at creating user, configuring network …

In this step by step, I will teach you how to setup active directory directory services with a domain using VirtualBox. The demos are based …

If you would like to learn Angular while working on an interesting project, then you are welcome! This would be a 6-part procedure but 11-video …

In this tutorial, I would take you through building a simple quiz application in React. As we go through, I would be explaining the pieces …

This is  Part two of out Quiz App Tutorial in React. Please see Part 1 if you have not. In this part, we would put …

In this tutorial, I would teach you how to create a complete DevOps pipeline for free. We would push a SpringBoot application to Github, then …

We would learn about 7 database patterns for Microservices. The include: Database per Service Shared database Saga API Composition CQRS Domain event Event sourcing   …

If you remember from Tutorial 2, we stored our password in MySQL database in plain text. Now, this is not ideal way since plain text …

In this Tutorial, would see how to add custom Login Form. So instead of using the generated form we’ll build one. You can find Tutorials …

This tutorial follows from Part 1. In this tutorial, you would learn how to call the PHP API from a html page. We would use …

In this article, I would explain step by step, how to enable Auditing in Spring Boot application. We would consider the following: Introduction to Auditing …

We would continue from Part 21. You will learn how to update a record and delete a record. You will also learn about CascadeTypes and …

Good to know you’ve completed Parts 1 to 16! Thumbs up to you! Otherwise, you can see the links below and follow. Now we’ll continue …

I’m happy, that finally we have a complete tutorial that addresses the challenges faced by many programmers. Entity relationships(@OneToMany and @ManyToOne). So everything about relationships …

First let me say that if you have gotten to this point successfully, congrats! and thumbs up to you! You’ll sure be an expert if …

Now we continue with Part 13. We are still working with the GET requests Part 1 to 7 – Setting Up Part 8 to 12 …

If you are a programmer, then I have some good news for you! This applies if you are a Software/Application Developer or Engineer. As you …

I would teach you how to work with Spring Security. Tutorial 1 – Introduction to Spring Security  Tutorial 2 – Storing Login Details in MySQL …

In this lesson, I would explain to you how relationships works in hibernate. Then I would give you a practical as well. We would be …

I would teach you how to make two microservices communicate. This would be step by step. You can watch the video as well. We assume …

1. Introduction to Thymeleaf (Video) In this walk-through, we would build an application to store student records. Users would be able to: access list of …

This is Similar to the Spring with MVC Procedure Create a new Starter project. Add Web, jpa and H2 dependencies Examine the pom.xml Create a …

This procedure teaches you how to perform CRUD operation (Insert, Update, Select and Delete) in Spring MVC. Source codes is included at the end of …

A Receiver Operating Characteristics (ROC) Curve is used to describe the trade-off between correct classifications and wrong classifications. The ROC curve displays a plot of …

You can find Question 1 to 10 here. So let’s get started! 11. What is Multivariate Linear Regression? This is a type of regression were …

I’m providing set to data science question and answers. The answers would be clear and brief for anyone to understand no matter your field. However, …

This tutorial would cover Exploratory Factor Analysis. We would cover the following sub-topics: What is Factor Analysis(FA) Difference between Exploratory FA and Confirmatory FA Application …

Bayesian Inference is simply a way of making statistical inference by applying Bayes’ Theorem. Assuming there is a particular hypothesis H. Let the probability of …

In this short write-up, I would explain to you these important trends in IT. The interesting thing is that they are actually very simple concepts …

I’m going to explain microservices to you based on the following sections: What are Microservices? Benefits of Microservices How to Create Microservices Challenges of Microservices …

Bayes Rule is based on Conditional Probability which we have been discussing in the previous 3 lessons. Conditional Probability – Basics Conditional Probability – Multiplication …

In the previous lesson(Introduction to Bayes’ Rule), we saw how Bayes’ Rule can be applied to medical diagnosis. So in this chapter, we would see …

In this short lesson we would understand how to use the Multiplication Law in Conditional Probability. You may want to review Basics of Conditional Probability. …

In this lesson, we would examine Law of Total Probability. We looked Multiplication Law previously. I would state this law. Then give an explanation. Finally …

I assume you have a basic knowledge of Probability. For example, if there a 3 red ball and 2 blue balls in a bag and …

We cover the following Introduction to Ford-Fulkerson Algorithm Introduction to Residual Graphs About Residual Graphs Augmenting Paths in Residual Graph Using Bottleneck 1. Introduction to …

Pointers in C++ is one of the core concepts that you need to learn. This is because it is a feature that helps you understand …

I would start with a brief review of SVD and then gradually ease into Higher Order SVD.  As usual, I would try to make it …

Singular Value Decomposition (SVD) is a dimensionality reduction technique similar to PCA but more effective than PCA. It is considered as factorization of a data …

AVL trees are self-balancing Binary Search Trees (BST) that was invented by Adelson, Velski and Landis. Let’s consider the following: AVL Tree Balance Factor How …

We would go through a simple tutorial on how to build an API in Visual Studio (Step by Step) using ASP.NET C#. Before we go …

Hello, good to see you here! Its good to know that you want to learn Java and be sure that you would find all you …

You can watch the video of this explanation here:  Video Many person in the field of IT don’t get as productive as they should be …

Coding is fun! Have you heard this expression sometimes? Another one is, ‘coding is for the noble-minded’ or ‘coding is for the great minds’ or …

In this blog, I am going to address some of the typical problems encountered by  programmers who try to connect Netbeans to the MS Access …

This is an assignment given to MSc. Students of the University of Port Harcourt as well as the Rivers State University of Science and Technology …