How to Send a Response Using Express

In this blog post, we will discuss how to send a response back to the client using Express. When building web applications with Express, it is important to understand how to send the appropriate response to the client based on the request. In the previous Hello World example, we used the Response.send() method to send a simple string as a response and close the connection. For example: (req, res) => res....

How to Send an Email Using Nodemailer

If you want to send an email using Nodemailer, follow these steps: Step 1: Install Nodemailer Begin by installing Nodemailer using npm: npm install nodemailer Step 2: Import Nodemailer Next, import the Nodemailer module in your Node.js script or application: import nodemailer from 'nodemailer'; Step 3: Initialize the Transporter Create a transporter object that will be used to send the email. Here’s an example: const transporter = nodemailer.createTransport({ host: 'smtp.yoursmtpserver.com', port: 465, secure: true, auth: { user: 'smtp_user', pass: 'smtp_pass', }, }); ⚠️ NOTE: Make sure to replace 'smtp_user' and 'smtp_pass' with the actual credentials of your SMTP server....

How to Send the Authorization Header Using Axios

In this tutorial, we will learn how to send the authorization header using Axios, a popular JavaScript library for making HTTP requests. To set headers in an Axios POST request, you need to pass a third object to the axios.post() call. Typically, the second parameter is used to send data, so if you pass two objects after the URL string, the first one should be the data and the second one should be the configuration object....

How to Send URL Encoded Data using Axios

In this tutorial, we will learn how to send URL encoded data using the Axios library in a Node.js application. Problem Statement When working with an API that only accepts data in the URL encoded format, we need to find a way to send the data using Axios. Solution To solve this problem, we will need to install the qs module, which is a querystring parsing and stringifying library with added security....

How to Serve an HTML Page using Node.js

Learn how to easily serve an HTML page using Node.js without any dependencies. Recently, I came across a requirement to serve an HTML page from a Node.js server. After some research, I found the simplest code that gets the job done. Below is the code snippet: const http = require('http'); const fs = require('fs'); const server = http.createServer((req, res) => { res.writeHead(200, { 'Content-type': 'text/html' }); fs.createReadStream('index.html').pipe(res); }); server.listen(process.env.PORT || 3000); As you can see, this code doesn’t require any additional dependencies....

How to Set an Alias in a macOS or Linux Shell

In this article, I will show you how to set an alias in a UNIX environment, specifically in shells like Bash, Zsh, and Fish, on both macOS and Linux. Note that this guide does not cover Windows instructions. I recently came across a funny post on Reddit that highlighted how developers can lose productivity over small things like typos. Here’s the post: While I personally prefer using a GUI for Git (GitHub Desktop), I do find aliases useful....

How to Set Default Parameter Values in JavaScript

Learn how to add default parameter values to your JavaScript functions for improved flexibility and ease of use. Default parameter values were introduced in ES6 in 2015 and have become widely implemented in modern browsers. Let’s start with a simple example of a function called doSomething that accepts a parameter param1: const doSomething = (param1) => { } To add a default value for param1 in case the function is invoked without specifying a parameter, you can modify the function like this:...

How to Set Environment Variables in Bash and Zsh

Setting environment variables in both Bash and Zsh is a straightforward process. However, there is a slight difference when it comes to persisting them. In Bash, you can use the .bashrc file, while in Zsh, you can use the .zshrc file. To set environment variables in the shell, follow these steps: Open your terminal and type the following command: $ export VARIABLE=something This command sets the value of the variable “VARIABLE” to “something”....

How to Set the Current Working Directory of a Node.js Program

In this tutorial, we will explore how to set the current working directory of a Node.js program. This is particularly useful when you need to serve an index.html HTML page using Node.js without any dependencies. I encountered this issue while working on a Node.js script. Initially, I set relative paths to reference some files in the local filesystem, like this: '../../dev/file.md' Everything worked fine when I ran the program from its folder....

How to Set Up \"Cloud Cron Jobs\" using Netlify Scheduled Functions

Discover how to set up Netlify Scheduled Functions for your development needs. Netlify Scheduled Functions provide the ability to perform various tasks. Follow these steps to set them up: Create a serverless function in netlify/functions directory in your repository. For example, you can create a file named test.js: exports.handler = (event, context) => { // do something return { statusCode: 200 }; } Open or create the netlify.toml file in your repository and configure the frequency at which you want the Netlify Scheduled Function to run....