# Newgital : A Digital Era of Information Sharing > A Digital Era of Information Sharing ## Posts - [What is robots.txt & It's importance...](https://newgital.com/what-is-robots-txt-its-importance/): Introduction ‘robot.txt’ is a small text file & it plays an important role in technical SEO and website crawling instructions to automated clients, commonly called bots, crawlers, or spiders. A robots.txt file tells compliant search engine crawlers which URLs they are allowed or not allowed to request from a website. It is mainly used to manage crawler access, reduce unnecessary crawling and keep search engine bots away from areas that do not need to be crawled. However, robots.txt is often misunderstood. It does not act as a password, firewall, or reliable method for removing a page from search results. The file […] - [How to connect React Native to MySQL](https://newgital.com/how-to-connect-react-native-to-mysql/): Introduction Connecting a React Native app to an API and MySQL database is a common setup for learning mobile development, building prototypes and developing applications before moving them to a production server. The important point is that React Native should not connect directly to MySQL. Instead, the app sends HTTP requests to a backend API and the backend communicates with MySQL. The typical architecture is: React Native app → REST API → MySQL database What we need before starting Here we will use a Node.js/Express backend because it provides a simple way to expose HTTP endpoints. Express defines routes such as […] - [Social Media Marketing for Beginners](https://newgital.com/social-media-marketing-for-beginners/): What Is Social Media Marketing? Social media marketing is the use of social networking platforms to communicate with an audience and achieve specific marketing goals. Businesses can use social media to: Social media marketing can include both organic marketing and paid advertising. Organic social media marketing involves publishing content and engaging with users without directly paying for distribution. Paid social media marketing involves advertising through a platform’s paid advertising system to reach selected audiences. Both approaches can be useful, but they serve different purposes and should be measured separately. Social media marketing is the process of using social media platforms to […] - [Google Search Console Complete Guide](https://newgital.com/google-search-console-complete-guide/): What Is Google Search Console? Google Search Console (GSC) is Google’s free platform for website owners, developers, publishers, and SEO professionals. It shows how Google discovers, crawls, indexes and displays your pages in Google Search. It also provides search-performance data such as clicks, impressions, click-through rate (CTR) and average position. Search Console is not a ranking-control panel. Adding a site, verifying ownership, submitting a sitemap, or requesting indexing does not guarantee that Google will index a page or improve its ranking. Its real value is visibility: it helps you identify problems, understand search demand, and make better technical and content decisions. […] - [API vs Webhook : What is difference](https://newgital.com/api-vs-webhook/): What is difference between API and Webhook ? An API and a webhook both let software systems communicate, but the main difference is who starts the communication. API Webhook Your application asks another system for information/action. Another system automatically sends information to your application when something happens. Request → Response Event → Notification Your app initiates it. The external service initiates it. Useful when you need data on demand. Useful for real-time event notifications. Example: “Give me the status of order #123.” Example: “Order #123 has just been delivered.” Example Imagine an online payment system. API: Your application asks:GET /payments/123/status The […] - [PDO vs MySQLi: Which Should You Use](https://newgital.com/pdo-vs-mysqli-which-should-you-use/): When building PHP applications, one of the first decisions you’ll make is how to connect to your database. Two of the most popular options are PDO (PHP Data Objects) and MySQLi (MySQL Improved Extension). Both are modern, secure, and support prepared statements. However, they serve slightly different purposes. So the question is: Should you use PDO or MySQLi? What is PDO? PDO (PHP Data Objects) is a database abstraction layer that provides a consistent interface for working with multiple database systems. Instead of writing different code for different databases, PDO allows you to use almost the same syntax whether you’re using: […] - [Object Oriented Programming in PHP](https://newgital.com/object-oriented-programming-in-php/): We will discus in this topic OOP in PHP in a structured, beginner-friendly way What is OOP? OOP (Object Oriented Programming) is a programming paradigm where we structure code using: Instead of writing procedural code, we model real-world entities. Core OOP Concepts in PHP Detailed Explanation ➡ Defines a class named Car. ➡ Properties (variables) inside class.➡ public means accessible from anywhere. ➡ Method (function inside class).➡ Prints message. Constructor A constructor runs automatically when an object is created. Important Concept $this->name ➡ $this refers to current object. Encapsulation Hiding data using private or protected. You cannot access: Only through method: […] - [How to render HTML Code in JavaScript?](https://newgital.com/how-to-render-html-code-in-javascript/): If you want to print HTML like <h1>Welcome</h1> on a web page using JavaScript, here are the common ways. Method 1: Using innerHTML (Most Common) Method 2: Store HTML in a Variable Method 3: Create the Element (Recommended) Method 4: Using Template Literals (for Multiple Lines) Which method should you use? - [Git vs GitHub: What's the Difference?](https://newgital.com/git-vs-github-whats-the-difference/): If you’re starting your journey in web development or software engineering, you’ve probably heard the terms Git and GitHub used together. Many beginners assume they’re the same thing, but they actually serve different purposes. Simply put, Git is a version control system, while GitHub is a cloud-based platform that hosts Git repositories and enables collaboration. What is Git? Git is a distributed version control system (DVCS) created by Linus Torvalds in 2005. It helps developers track changes in source code, manage project history, and collaborate without overwriting each other’s work. Whenever you modify a file, Git records the changes as a […] - [What is Stored Procedure in Database?](https://newgital.com/what-is-stored-procedure-in-database/): A Stored Procedure is a collection of SQL statements stored inside the MySQL database. Instead of sending multiple SQL queries from PHP, you store the logic in MySQL and call it whenever needed. Think of it like this: Why use Stored Procedures? In real projects, they are used to: Example Project Suppose you have an employees table. Example 1: Procedure to Get All Employees Create the procedure in MySQL: Run this once in phpMyAdmin or MySQL Workbench. Get employees from a specific department. - [What is VIEW in MySQL?](https://newgital.com/what-is-view-in-mysql/): A VIEW in MySQL is a virtual table. It does not store data itself (except in special cases). Instead, it stores an SQL query, and whenever you access the view, MySQL executes that query and returns the latest data. Think of it like this: Why use Views? In real PHP projects, views are mainly used for: Example Project Suppose you’re building an E-commerce website. Without View Every time you need to run this JOIN query to get customer orders: Imagine using this query on: You would repeat it everywhere. Now the complex JOIN is stored inside the view. Using View Instead […] - [How to make header sticky in WordPress?](https://newgital.com/how-to-make-header-sticky-in-wordpress/): There are several ways to make a header sticky in WordPress. The best method depends on your theme and whether you’re using a page builder. Method 1: Using Theme Options (Recommended) Many modern WordPress themes have a built-in sticky header option. Like below Look for options like: No coding is required. Method 2: CSS Only (Simple) If your header already has an ID or class like #masthead or .site-header, add this CSS: or Add it under: Appearance → Customize → Additional CSS Method 3: Fixed Header (Most Common) Since the header is removed from the normal document flow, add padding to […] - [How to make header sticky in Astra theme free version in WordPress?](https://newgital.com/how-to-make-header-sticky-in-wordpress-free-theme/): Many modern WordPress themes have a built-in sticky header option. Since you’re using the Astra Free theme, the built-in Sticky Header feature is not available. It is an Astra Pro feature. Simple way to make a header sticky in WordPress if you are using ASTRA theme (free version) with a small amount of CSS (and optionally JavaScript). Option 1: Always Sticky Header (Recommended) Go to: Appearance → Customize → Additional CSS If your header height is different, change to match your header height. Option 2: Sticky Only After Scrolling (Looks More Professional) If you have a plugin like Code Snippets or […] - [Modern AJAX: Building Faster and Smarter Web Applications](https://newgital.com/modern-ajax-building-faster-and-smarter-web-applications/): Modern web applications are expected to be fast, responsive, and interactive. Users no longer want to wait for an entire page to reload just to view new data or submit a form. This is where Modern AJAX comes into play. Although AJAX (Asynchronous JavaScript and XML) has existed for many years, today’s implementation is very different from the traditional approach. Modern JavaScript introduces powerful APIs like Fetch API, Promises, async/await, and JSON, making asynchronous programming cleaner, faster, and easier to maintain. Let’s discuss what Modern AJAX is, how it differs from traditional AJAX, and how to use it effectively in modern […] ## Pages - [Affiliate Disclosure](https://newgital.com/affiliate-disclosure/): Last Updated: September 26, 2026 Newgital, accessible from https://newgital.com, may participate in affiliate marketing programs. This means that some links on Newgital may be affiliate links. If you click an affiliate link and subsequently purchase a product or service, Newgital may receive a commission or other compensation from the company or affiliate program, at no additional cost to you. What Are Affiliate Links? Affiliate links are special links that allow participating companies or affiliate networks to identify that a visitor was referred to their website by Newgital. If you make a qualifying purchase or complete another qualifying action after following such […] - [Terms & Conditions](https://newgital.com/terms-and-conditions/): Last Updated: September 26, 2026 Welcome to Newgital. By accessing or using https://newgital.com, you agree to comply with these Terms and Conditions. If you do not agree with these terms, please do not use the website. 1. About Newgital Newgital provides educational and informational content relating to web development, programming, digital technologies, SEO, artificial intelligence, and digital marketing. The content is provided for general informational and educational purposes. 2. Use of the Website You agree to use Newgital only for lawful purposes. You must not: 3. Educational Content Newgital publishes tutorials, examples, guides, and technical information for educational purposes. Although we […] - [Contact US](https://newgital.com/contact-us/): Contact Newgital Have a question, suggestion, correction, or feedback about Newgital? We’d love to hear from you. 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