Author: Terry White

1. What is React? Answer: React is a JavaScript library developed by Facebook for building user interfaces, particularly single-page applications. It allows developers to create reusable UI components and manage the state of those components efficiently. Example: A simple React component: 2. What are components in React? Answer: Components are the building blocks of a React application. They are JavaScript functions or classes that optionally accept inputs (called “props”) and return React elements describing what should appear on the screen. Example: 3. What is the difference between state and props? Answer: Example: 4. What is JSX? Answer: JSX stands for…

Promises in JavaScript (ES6) A Promise in JavaScript is an object that represents the eventual completion (or failure) of an asynchronous operation and its resulting value. Promises provide a cleaner, more readable way to handle asynchronous tasks compared to traditional callback functions, which can lead to “callback hell” when chaining multiple asynchronous operations. Key Concepts of Promises: Why Use Promises? Promises are a fundamental part of modern JavaScript, especially in the context of working with APIs, asynchronous operations, and complex workflows. They are often used with async/await syntax in modern JavaScript to make asynchronous code even more readable.

simple JavaScript function to find duplicate characters in a string Explanation: This function will return an array of duplicate characters found in the input string.

Here are 50 commonly asked React Redux interview questions along with their answers: 1. What is React Redux? Answer: React Redux is the official binding library for React and Redux. It allows React components to read data from the Redux store and dispatch actions to update the store. 2. What are the main principles of Redux? Answer: The main principles of Redux are: 3. What is a Redux action? Answer: A Redux action is a plain JavaScript object that describes an event that causes a change in the application’s state. It must have a type property, and it can have…

In JavaScript, arrays are a fundamental part of the language, providing a way to store and manipulate collections of data. There are many built-in methods for performing various operations on arrays. Here’s a comprehensive overview of some of the most commonly used array methods: Operation in javascript Array 1. Array Creation 2. Adding and Removing Elements 3. Iterating and Transforming Arrays 4. Searching and Sorting Arrays 5. Other Useful Methods These methods allow for extensive manipulation and querying of arrays, making JavaScript arrays highly versatile and powerful for a wide range of programming tasks.

In JavaScript, a String is a sequence of characters used to represent text. Strings are immutable, meaning once they are created, they cannot be changed. However, you can create new strings based on operations performed on existing ones. Creating Strings Strings can be created using single quotes (‘), double quotes (“), or backticks (`) for template literals. String Methods JavaScript provides a variety of methods to work with strings. Below are some commonly used methods with examples: Example Usage These methods provide a robust set of tools for manipulating and interacting with strings in JavaScript.

In JavaScript, var and const (along with let) are used to declare variables, but they have important differences regarding scope, hoisting, and mutability. var let const Examples In summary:

Tailwind CSS dashboard components are pre-built UI elements designed to accelerate the development of visually appealing and functional dashboards. These components leverage the utility classes of Tailwind CSS, allowing for a high degree of customization while maintaining clean and efficient code. This tailwind example is contributed by Mr Robot, on 24-Aug-2022. The component is made with Tailwind CSS v3. It is responsive. similar terms for this example are Admin Dashboard, User dashboard Author: Mr Robot Tailwick – Tailwind CSS Admin & Dashboard Template Tailwick is a versatile and user-friendly Tailwind CSS Admin and Dashboard Template. It is fully responsiveness, extensive customization options, and…

Embracing component libraries alongside Tailwind CSS allows developers to merge the strengths of both utility-first and component-oriented methodologies. In this comprehensive overview, we’ll delve into the 10 leading free and open-source Tailwind CSS component libraries presently available. 1. Preline UI tailwind ui library Preline UI boasts an extensive repertoire of over 300 prebuilt Tailwind CSS components, accompanied by 160+ starter pages and examples, expediting the development process. Featuring the most expansive Figma-free design system available, it’s laden with features to facilitate development. 750+ Free Components & ExamplesHundreds of component examples for all your website needs that meet accessibility criteria.Universal Framework…

Sticky footer navbar example

Are you tired of pesky ads ruining your online experience? Many app developers rely on ads to make money, so they’re hard to avoid completely. But here’s the kicker: some ads can harm your device. These bad ads are called ‘Adware,’ and they’re a real pain. Adware Adware can slow down your device and even make it less secure. Luckily, there are apps out there that can help you get rid of it. Lookout Mobile Security Lookout Mobile Security is a top-notch app that protects your Android device from viruses, malware, and adware. It scans your phone to find any…

PHP String Interview Questions give you best knowledge about your intervew. First of all, what is a string in PHP? If you are starting from the base we are here to guide and help you in all possible ways so that every criterion of an interview process gets covered up and you are not left wondering what and where to prepare. Shall we get started? The word “string” refers to a series of characters. PHP supports a number of data types, including strings. Alphanumeric elements are allowed in string variables. A string is formed when you create a variable and…

On Android devices, you have the option to install third-party apps to convert various documents into PDF files. These apps can handle notes, receipts, invoices, forms, business cards, and more. Additionally, they can convert PDF files into other formats like Microsoft Word, images, eBooks, and PowerPoint presentations. Popular PDF Converter Apps for Android available on the Google Play Store: WPS Office This free office suite app is compatible with Word, PDF, and Excel files. It allows you to read PDFs, scan paper documents to PDF, add PDF signatures, and convert various office documents to PDF. Adobe Scan Adobe Scan specializes…

The Google Pixel 9 is part of Google’s biggest mobile shakeup since the introduction of the Tensor chip. Here are the expected specifications for the Pixel 9: Keep in mind that these specifications are based on leaks and rumors, so we’ll need to wait for the official announcement to confirm the details.  Expected Price Google Pixel 9 : Are there any pre-order bonuses or bundles? Official announcements regarding pre-order bonuses or bundles for the Google Pixel 9. However, based on past Pixel launches, Google has occasionally offered attractive incentives for pre-ordering their devices. Let’s take a look at some examples from previous Pixel…

If you use Spotify for free, you know it comes with some limitations. You can’t play songs in any order, download music to listen offline or enjoy the best sound quality. Now, there’s one more restriction: you can’t see song lyrics anymore. Spotify Wants You to Pay for Song Lyrics Some free Spotify users are noticing a new message. It says there’s a limit on how many times you can see lyrics for a song each month. Once you hit that limit, you can’t see lyrics for more songs unless you pay for Spotify Premium. This change isn’t entirely new.…

F5 is a common load-balancing solution that assists organizations in managing plus distributing web traffic effectively. It offers more details about security threats, traffic patterns, and application performance. To have more insights into the performance of the F5 environment, you need to send F5 logs to Splunk. This will help you to quickly & easily analyze log information from several sources to gain a detailed picture of your network’s performance. Steps followed to send F5 logs to Splunk 1. Prepare F5 Environment 2. Install Splunk Forwarder 3. Configure F5 Device to Send Logs 4. Verifying the Logs are Being Sent 5. Create Reports and…

Splunk Enterprise helps in data management plus analysis platform that’s widely utilized in companies around the world. To launch Splunk Enterprise, you need to first install & set up software on their system. Start Splunk Enterprise 1. Prerequisites Before you launch Splunk Enterprise, it’s significant to ensure that the system meets all the minimum software and hardware requirements. These requirements include sufficient memory, disk space, and CPU resources. Moreover, you should also check if your operating system is compatible with Splunk Enterprise. 2.  Downloading Splunk Enterprise To start Splunk Enterprise, you are required to download the software first. You will…

Looking for awesome icons to spruce up your designs? Look no further! Icons are those little pictures you see on your computer or phone screen that represent different things like programs, features, or files. Clicking on them usually opens up something cool. So, why should you bother with icon packs? Well, as technology evolves, keeping up with the latest icon designs can be tricky. Icons are everywhere these days, in apps, websites, you name it. They’re like the silent superheroes of the digital world, making communication simpler by showing, not telling. Icons make your designs more engaging and easier to…

WhatsApp is a busy place, with lots of messages coming in every day. Some messages are really important, but it’s easy to miss them in all the clutter. Luckily, WhatsApp has a solution: chat filters. What Are Chat Filters? Chat filters help you sort through your messages quickly and easily. WhatsApp has introduced three types of filters: 1. All Filter: This filter shows you all your chats and messages, just like usual. 2. Unread Filter: This filter only shows messages you haven’t read yet, so you can catch up on what’s new. 3. Groups Filter: Here, you’ll find messages from…

Clean Master was famous for cleaning up Android phones. But now it’s gone because of security worries. So, people are looking for other apps like it. If you’re one of them, keep reading! We’ve got a list of simple apps to help you clean up your Android phone. Cleaner and Booster Apps for Android 1. 1Tap Cleaner This app helps clean up all the junk files on your phone. It finds and clears away old files from apps you don’t use anymore. Plus, it has extra tools to make your phone run faster. 2. Phone Cleaner – All in One…

Is your Windows 11 startup dragging its feet compared to its predecessor, Windows 10? Don’t fret! We’ve got you covered with effective solutions to revitalize your system’s boot time. In this article, we’ll explore various techniques to combat the sluggish startup issue on Windows 11, ensuring a smoother and swifter experience for users. Understanding the Causes of Slow Startup on Windows 11 Before diving into the solutions, it’s crucial to identify the underlying factors contributing to the sluggish startup phenomenon on Windows 11. Here are some common culprits: Download Windows 11 ISO 64 bit with Crack Full Version htmlkick.com Effective…

Samsung Galaxy S23 5G AI smartphone is available for Rs 29,449 only on Amazon; know how to grab the deal. Samsung Galaxy S23 5G AI smartphone is available on Amazon at Rs 69,999 with a 27% discount. Includes taxes, up to Rs 9,000 HDFC discount, and up to Rs 31,550 trade-in savings. Screen 6.6” Dynamic AMOLED 2X Infinity-O FHD+ Flat Screen. 120Hz Adaptive Refresh RateScreen 6.1” Dynamic AMOLED 2X Infinity-O FHD+ Flat Screen. 120Hz Adaptive Refresh RateScreen 6.1” Dynamic AMOLED 2X Infinity-O FHD+ Flat Screen. 120Hz Adaptive Refresh RateBattery5,000mAhBattery4,700mAhBattery 3,900mAhStorage 12GB Memory | 256GB / 512GB / 1TB StorageStorage 8GB Memory…

Apple AirPods 4 Release Apple AirPods, including both the pro and non-pro variants, have secured their place as some of the most sought-after earbuds in the market since their inaugural launch in 2016. The anticipation surrounding the upcoming Apple AirPods 4 has fans buzzing with excitement. Apple AirPods 4 Launch Projections and Rumors The 3rd generation AirPods made their debut in October 2021. Speculations regarding the 4th generation model are primarily based on Apple’s historical two-year product cycle, considering the timeline from the 2nd to the 3rd generation upgrades. Despite the eagerness among enthusiasts, Apple has remained tight-lipped about the…