Node.js overview | When to use Node.js?

Introduction: In this blog post, we will talk about basics of Node.js, What is Node.js, What are the key features of Node.js and when to use Node.js and when not. So let’s get start. What is Node.js? According to official Node.js, Node.js® is a JavaScript runtime built on Chrome’s V8 JavaScript engine. This V8 runtime allows

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Preventing SQL Injection in DynamoDB: Best Practices for Secure Node.js Applications

DynamoDB is a NoSQL database provided by Amazon Web Services (AWS) that doesn’t use SQL for querying data. As a NoSQL database, DynamoDB is designed to handle structured data with flexible schemas and doesn’t support traditional SQL injection vulnerabilities. However, it’s important to note that NoSQL databases like DynamoDB can still be vulnerable to injection

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Node.js: How to get toString() to print object details

To get the toString() method to print object details in Node.js, you can override the default implementation of the toString() method for your custom objects. Here’s an example of how you can achieve this: In the above example, we define a Person class with name and age properties. We override the toString() method of the

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Error middleware is not reaching with next() function: Solution

Introduction Error middleware in Node.js is a special type of middleware that is designed to handle errors that occur during the processing of a request. It is an essential component of building robust and error-tolerant applications. When an error occurs during the execution of a middleware function or a route handler, instead of terminating the

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Building REST APIs with Node.js: A Practical Guide

Introduction Building a REST API is a common requirement for modern web applications. In this blog, we will explore how to create a REST API using Node.js. We’ll cover the basics of REST, design principles, and step-by-step implementation using popular Node.js frameworks. By the end of this guide, you’ll have a solid understanding of building

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Testing and Debugging Node.js Applications

Introduction Testing and debugging are essential steps in the development process of any software application, including Node.js applications. Proper testing ensures that the code is functional and behaves as expected, while debugging helps to identify and fix any issues that may arise during the development process. In this article, we will discuss some best practices

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How to create a video streaming server in Node.js?

Introduction Creating a video streaming server in Node.js can seem like a daunting task, but with the right tools and techniques, it is actually quite straightforward. In this blog, we will walk you through the steps for creating a basic video streaming server in Node.js. Step 1: Install Required Dependencies The first step is to

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How to execute shell commands in Node.js?

Introduction If you ever wanted to run system commands in Node.js? Obviously, the answer is a big “Yes”. If You want to reduce your workload then you have to automate stuff in your production environment. One way to use Bash script to automate things but what will happen if you are not good at Bash

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DNS module in Node.js

Introduction: DNS module is a core module of Node.js that provides developers with an interface to the Domain Name System (DNS). It allows you to do things like get and set DNS records, as well as resolve hostnames and IP addresses.  The DNS module is important because it helps you communicate with name servers around

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RSS reader in Node.js

Introduction: An RSS (Really Simple Syndication) feed is an online file that contains information about every piece of content a website has published. The information includes a summary, content, publication date, author, publisher name, link and other metadata. Almost every news website provides its RSS feed which can be integrated in other websites. Generally, an

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