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How to Handle Error in Javascript Promise?

In JavaScript, Promises provide a way to work with asynchronous operations. When working with Promises, you often need to handle errors that might occur during the execution of these asynchronous operations. There are several ways to handle errors in Promises:

testing

Exploratory Testing - A Definitive Guide

Exploratory testing is a fundamental aspect of the software testing process. Unlike scripted or automated testing, exploratory testing focuses on discovering and understanding software functionalities without a predetermined plan. Let’s delve into the intricacies of this type of testing and provide a more comprehensive understanding of its importance.

web

Understanding the :not() Pseudo-class in CSS

In CSS rules, you normally select elements that you want to apply styles to, and all matching elements get styled accordingly. But what if you want to flip the script and style everything except a few specific elements? That’s where the :not() pseudo-class comes into play. In this comprehensive guide, we’ll explore the nuances of CSS pseudo-classes, delve into the mechanics of the :not() pseudo-class, and examine how it functions when multiple selectors are involved.

web

Declaring Variables in JavaScript: The Beginner's Guide to Let, Var, and Const

Hello, coding enthusiasts! 👋 Are you new to JavaScript or perhaps just a bit foggy on how to declare variables? Fear not! Today we’re diving into the world of JavaScript variables. We’ll explore var, let, and const, looking at the hows, whens, and whys of each.

web

How to Add a Favicon to Your Website: A Step-by-Step Guide

Having a unique favicon (short for “favorite icon”) is essential for branding and making your website stand out in browser tabs. It’s that tiny image you see next to the title of a webpage when you have multiple tabs open. Not only does it enhance user experience, but it also adds a touch of professionalism. Wondering how to get one for your site? Let’s dive right in!

web

How to Trigger Click Events in React

In this tutorial, we’ll cover how to programmatically trigger click events in React. We’ll delve into both the ref mechanism in React and using synthetic events. Understanding how to simulate user behaviors, automate UI testing, or meet specific application requirements is an essential skill for modern web developers. By the end of this guide, you’ll have a grasp on two common techniques to trigger click events in React.

operations

How to Delete Files and Directories in Linux

In the Linux operating system, everything is considered a file, even directories. This guide aims to provide an easy-to-understand walkthrough on how to delete files and directories in Linux. We’ll cover essential commands like rm and rmdir along with their options for various scenarios.

operations

How to Read a CSV File in Bash

There are primarily two methods to read a CSV file in Bash: using awk and using a while loop with the Internal Field Separator (IFS). This tutorial will not only cover these methods but also show you how to read a specific column from a CSV file.

operations

Understanding git pull and How It Differs from git fetch

In this blog post, we’ll talk about two common Git commands: git pull and git fetch. They might look like they do the same thing, but they’re actually different. We’ll explain what each command does and highlight their main differences.

web

How to Pretty Print JSON with React

To pretty print JSON with React, you can use the JSON.stringify() method. By passing a JSON object as the first argument, null as the second, and the number 2 as the third argument, you get back a string representation of the JSON object that’s beautifully formatted and easy on the eyes.

web

HTML Table Creation: A Step-by-Step Tutorial for Beginners

HTML tables enable you to neatly organize various types of content like text, images, and even other tables into a grid-like structure. This grid comprises rows and columns, making it easy to display data. In this tutorial, we’ll cover everything from the basics of constructing a table to more advanced techniques like cell merging and nested tables.

web

How to Create and Use Enums in TypeScript: A Beginner's Guide

Enums, short for enumerations, are a special kind of data type that allow you to group related values together. This feature is particularly useful when you want to define a set of named constants, making your code easier to read and understand. While JavaScript doesn’t natively support enums, TypeScript, a typed superset of JavaScript, brings this useful feature to the table.

web

How to Create a Responsive Navbar Font Awesome Icons

Hey there! Have you ever wondered how to add those nifty little icons to your navbar? Well, you’re in luck! Today, we’ll delve into creating a responsive navbar with icons on the left side of each nav item. We’ll be using Font Awesome, a popular icon toolkit. Let’s jump right in!

web

How to Remove an Element from an Array in JavaScript

In this tutorial, we delve into the various methods to remove elements from arrays in JavaScript. We’ll explore techniques such as the splice() method for precise removals, the pop() method for eliminating the last element, the shift() method for removing the first element, and the filter() method for conditional removals.

web

How to Create a Horizontal Scrollable Menu: A Step-by-Step Guide

Have you ever visited a website and been impressed by a sleek horizontal scrollable menu? It’s an elegant solution for displaying a plethora of options without overwhelming your webpage. In today’s tutorial, we’ll dive deep into creating a horizontal scrollable menu.

operations

Understanding the Fundamental Concepts of Authentication

Authentication stands as one of the pillars of information security, playing a vital role in ensuring only legitimate users gain system access. Whether you’re logging into your email, accessing your bank account, or just browsing the web, authentication plays a pivotal role in ensuring that your data remains protected and that services are accessed by legitimate users. In this article, we will cover the basics of authentication.

web

Javascript Functions - a Beginner's Guide

Functions are a fundamental concept in JavaScript, allowing you to organize, reuse, and structure your code efficiently. In this guide, we’ll walk you through the basics of JavaScript functions and explore various aspects that will help you become a more confident JavaScript developer.

development

Python Convert a CSV File into a List

In this tutorial, we will learn how to convert a CSV file into a list in Python and also converting a list back into a CSV file

web

How to Align Text in HTML – Text-align, Center, and Justified Example

In HTML, there are several ways to align text, and in this tutorial, we’ll explore the text-align property along with centering and justifying text with practical code examples.

web

How to Center an Image Using CSS

When designing webpages, aligning and centering images is a common requirement. Properly centered images not only enhance the visual appeal but also improve the overall user experience. In this guide, we’ll explore various techniques to center images using CSS.