“Knowledge is power.” – Francis Bacon

A MongoDB database has multiple collections. These collections can store millions of documents(data in MongoDB is called a document) and we can fetch all the data from a collection by performing a read operation using different methods like the collection.find(). These Read operations methods do not return documents instead they return a cursor. This tutorial will […]

JavaScript allows to perform mathematical operations on strings without throwing an error or warning, but the result may not be the expected result, so it is suggested to first convert it into an integer. The strings in JavaScript can be converted into integers using various methods. This tutorial will cover different methods for converting a

Visual Studio is an IDE(Integrated Development Environment) from Microsoft available for Windows, macOS, and Linux to build web applications, ISO and Andriod Apps, Web Server, etc. It supports all popular languages and frameworks such as C, C++, C#, Python, JavaScript, etc. Visual Studio has the required tools to create all types of NodeJS applications. Creating NodeJS

Data Access is an essential feature of any application. An application that can’t have access to data is nothing but a static website, these websites hardcode the information on their page, they are exhausting, hard to update, and not scalable. Even a simple blog website also accesses the data to render different information.  Examples of

Util Module provides many utility methods used for scaling the NodeJS application and in the development of modules.  It is a built-in NodeJS module, so it is not required to install it using NPM or Yarn. Syntax: The syntax for accessing the Util Module in a NodeJS is given below. Methods of Util Module in

A Video Streaming Application is used to play videos. Examples of video streaming applications are Youtube, Netflix, etc, this application have a huge number of videos in their database and has a system to play those videos. In this tutorial, you will learn to create a video streaming application and understand how to handle video

VM stands for Virtual Machine. A Virtual Machine is a virtual environment created in your pc which can run programs. It can be helpful to execute a peace of code in a different environment so that it doesn’t interrupt the main environment. What is VM Module? VM is a built-in module in NodeJS used to

This article will teach you a step-by-step guide to creating a User Management System in NodeJS. Introduction to User Management System A User Management System can be used to manage users, these users can be employees, students, or any staff of any organization.  Features of a User Management System Following are the features of the

A controller is a function that defines the response sent to a client when making a request to the server.  This tutorial teaches you the concept of controllers in NodeJS. We highly recommend you read the previous tutorial Separating Routers in NodeJS to better understand the Controllers. Controllers in NodeJS Below is the code that