Tag: nodejs

Common Mistakes Developers Make When Building Apps

Introduction A mobile app is the latest and hottest, way to engage with customers. It can also be a great way to increase revenue and build brand loyalty. But don’t forget – with great power comes great responsibility! If you want your app to be successful, it’s important to avoid common mistakes that can doom

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Top Node.js application frameworks

Introduction Node.js web application frameworks are becoming more popular every day. Different developers have different opinions on which framework is the best. In this blog post, we will compare five different Node.js web application frameworks: Express, Koa, Hapi, Restify, and Fastify. 1. Express  Express is one of the most popular Node.js web application frameworks and

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Node.js – Path Module

Introduction In this blog post you will learn how to use Path module in Node.js. Node.js Path module is a built-in module used for handling and transforming file paths. The path module provides a lot of useful utilities to access and interact with the file system. As it is a core module therefore you don’t need to

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Node.js Copy a Folder With Node fs-extra package

Introduction: In this blog post, We learn how can you copy a directory or folder (which contains some files) to another location in Node.js. To do this here we are going to use a third-party library named as fs-extra. fs-extra adds file system methods that aren’t included in the core fs module and adds promise support to the fs methods.

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Async Hooks API in Node.js

Introduction: Async Hooks API in Node.js provides an asynchronous API to track the lifetime of multiple asynchronous resources simultaneously. In this blog post, we’ll discuss what the Async Hooks API is, how it works, and how to use it in your own code. Node.js Async Hooks: The Async Hooks API is a set of functions

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How to Open File in Node.js?

Introduction Opening a file is a common programming technique. Every web application does a file open operation. Whenever a file read or file write operation executes eventually it does a file open call as well. Without file open operation, reading and writing to a file are not possible. To open file in Node.js, We can

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Sequelize ORM in Nodejs

Introduction: If you’re a Nodejs developer and you want to use an Object Relational Mapping (ORM) tool to connect your Nodejs applications to a database, then look no further than the Sequelize library. Sequelize is an ORM for Nodejs applications that provides access to MySQL, Postgres, and SQLite databases. It makes it easy to interact

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How to fix: Express.js request body is undefined.

Introduction If you are using the latest express version in Node.js then you may face the above exception while accessing HTTP request body. In the earlier versions of express, there was no such type of issue in the library. In the update of July2020, express.bodyParser() is no longer bundled as part of express. Therefore User need

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How to rename file in Node.js? fs.rename() Node.js

Introduction In this blog post, we will learn how to rename a file in Node.js using fs module. fs mdoule provides various synchronous and asynchronous APIs to rename files. Let’s get start. fs.rename() The fs.rename() is used to asynchronously rename a file at the given old path to provided new path. In the case that a new

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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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