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The Ultimate Guide: Setting Up Next.js With Prisma, PostgreSQL

In this post, I will show you how to set up PostgreSQL and Prisma ORM with Next.js to develop your next web application. PostgreSQL is an open-source relational database management system (RDBMS). PostgreSQL allows you to store and manage structured data using tables, rows, and columns, and it supports complex queries, transactions, and data integrity constraints. Prisma is a modern…

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How to create new user and grant Privilege in PostgreSQL

In this post, I will tell you how to create a new user in PostgreSQL and grant privileges to do CRUD operations on database tables. If you have not installed PostgreSQL in your system please use the following links to install it in your system. Windows: installing PostgreSQL in Windows MacOS: installing PostgreSQL in MacOS Linux: Instaling PostgreSQL in Linux The psql command-line interface…

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Unlock the Singleton Pattern: Transform and Elevate Your Code

In today’s fast-paced digital world, writing efficient and optimized code is crucial. That’s where the Singleton design pattern shines. By ensuring only one instance of a class, the Singleton pattern helps streamline your code, cut down on memory usage, and boost performance by avoiding repetitive instantiation. In this article, we’ll dive into the Singleton pattern, exploring its key principles…

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Software Systems Design Patterns: Make You A Professional Developer

What is a Design Pattern? A software design pattern is a general reusable solution to a commonly occurring problem within a given context in software design. It represents best practices evolved by experienced software developers. Design patterns are not templates or finished designs that can be transformed directly into code. Instead, they provide general principles and guidelines for solving…

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How to use Reducers with useReducer hook in React

In my previous post, I talked about how to use Reducers in vanilla JavaScript and HTML projects. In that post, you learned that while the reducers are pure functions that you can use with State Management libraries such as Redux,  you can still use Reducers in other types of projects that do not use Redux. In this post I am going to tell you how to use Reducers and the useReducer hook for state…

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Reducers Unleashed: Unlock State Management Mastery

Have you ever heard of the term ‘Reducers’ or ‘Reducer’ when working with React and Redux? If you’ve worked with React, you might have used state management libraries such as Redux, which employs reducers. In Redux, the reducer is one of the three main components, alongside the store and actions. However, in this post, I will focus exclusively on reducers. What is a reducer? Although ‘Reducer’…

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WebSockets: Unleashing Enchanting Real-Time Magic

What are WebSockets ? WebSockets enable real-time, bidirectional (full-duplex) communication between clients and the server over a single, long-lived TCP connection. What does it mean by ”real-time, bidirectional( full-duplex ) communication” ? This means data can be transmitted in both ways on a transmission medium between the transmitter and the receiver at the same time.  And now you might…

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How to work with arrays in React

Introduction to Arrays in React Hey there, fellow developer! If you’ve got a solid grasp of arrays in JavaScript, you’re in for a treat. We’re about to unlock a new level of awesomeness by exploring how arrays in React play a key role in crafting dynamic user interfaces. Embracing the Array Magic Think of arrays as your trusty toolbelt in programming. They let you neatly organize a bunch of…

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How to Integrate OpenStreetMap with React TypeScript

In this post, I am going to show you how to integrate OpenStreetMap with React Typescript. If you have never worked with OpenStreetMaps ( OSM ), you can read this post on OSM and React, and come back here to work with the demo application. I use TypeScript instead of JavaScript in this demo app. Now, let’s jump into setting up the development environment. Setting up the development…

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Python for JavaScript Devs: Empowering JS Developers to Soar

Welcome JavaScript Developers to the world of Python! Whether you’re a seasoned programmer or just starting out, Python’s intuitive syntax and versatility make it an excellent addition to your skill set. In this guide, we’ll guide you through the basics of setting up Python and getting ready to write your first lines of code. While I won’t cover the fundamental aspects of Python, such as syntax,…

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Jest: The Ultimate Testing Framework for Your JavaScript Applications

Jest is a popular open-source JavaScript testing framework maintained by Facebook. It is primarily used for testing JavaScript applications, including client-side (frontend) and server-side (backend) code. Jest is particularly known for its ease of use, powerful features, and comprehensive testing capabilities. You can do the following kinds of tests with Jest Unit tests: Unit tests are used to…

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Introduction to Underscore.js: Simplify web development with Powerful Utility Functions

What is Underscore.js ? Underscore.js is a popular JavaScript library that provides utility functions for common programming tasks. It is commonly used in web development to simplify and enhance the manipulation of arrays, objects, functions, and other data structures. Underscore.js offers a wide range of functions that help with tasks such as iterating over collections, filtering data, mapping…

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Promise in JavaScript: The Fundamentals of in 10 minutes

What is a promise in JavaScript ? A promise in JavaScript is an object representing the eventual completion or failure of an asynchronous operation. Since most people are consumers of already-created promises, this guide will explain consumption of returned promises before explaining how to create them.  A promise is an object that indicates if an asynchronous operation is eventually complete…

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How to utilize React Context for theme management

React Context is a feature in React that allows for the efficient sharing of data across components without manually passing props through each level of the component tree. There are many applications of React Context. In this post, we are going to see one of the most simple use cases of React Context. That is React Context for theme management. If you stumble upon this post from nowhere :),…

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React Context : The fundamentals you must know

In this post, I am going to help you understand the fundamental concepts of React Context. We will discuss the main components that you need to create and use React Context. We are also going to see the use cases of React Context, compare its advantages with disadvantages, and, finally see when to use React Context and when to avoid it. Why React Context Data flow in React applications is…

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How to use the Array filter method for Filtering in JavaScript

What is filtering in JavaScript? Filtering in JavaScript refers to the process of extracting a subset of elements from a collection based on a specific condition or criteria. It allows you to create a new array or collection that includes only those elements that meet the specified conditions. Filtering in Javascript can be achieved by using methods such as built-in methods such as find(),…

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How to integrate Apollo client with React in no time

If you have some experience working with GraphQL servers and GraphQL query language, you must have used GraphQL playgrounds on localhost or online. On these playgrounds, you can test your GraphQL queries and mutations against the GraphQL server to fetch data and make changes. You can also use variables to make these queries and mutations dynamic. So, the GraphQL playground is running on the…