Harish Kumar

Harish Kumar @harishkumar

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Activities

Understanding PHP Invokable Classes: Examples, Use Cases, and Real-World Applications

In PHP, an invokable class is a class you can call like a function. To make a class invokable, PHP provides a special magic method called __invoke(). Once implemented, this allows (...)
Harish Kumar
Understanding PHP Invokable Classes: Examples, Use Cases, and Real-World Applications
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What is PSR-6? A Beginner’s Guide to PHP Caching Standards

Is your PHP application slowing down because of repeated database queries or inefficient caching? Do you wish switching between caching libraries was simpler? That’s where PSR-6 (...)
Harish Kumar
What is PSR-6? A Beginner’s Guide to PHP Caching Standards
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How to Use useEffect in React: Tips, Examples, and Pitfalls to Avoid

useEffect is one of the most commonly used hooks in React, enabling you to manage side effects like fetching data, subscribing to events, or manipulating the DOM. However, improper (...)
Harish Kumar
How to Use useEffect in React: Tips, Examples, and Pitfalls to Avoid
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15 Must-Know TypeScript Features to Level Up Your Development Skills

TypeScript has become the go-to tool for developers building scalable, maintainable JavaScript applications. Its advanced features go far beyond basic typing, giving developers (...)
Harish Kumar
15 Must-Know TypeScript Features to Level Up Your Development Skills
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Exploring Asymmetric Property Visibility in PHP 8.4

The release of PHP 8.4 introduces a powerful new feature: Asymmetric Property Visibility, enabling developers to define separate visibility rules for reading and writing properties. (...)
Harish Kumar
Exploring Asymmetric Property Visibility in PHP 8.4
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JavaScript Best Practices: Tips for Writing Clean and Maintainable Code

JavaScript is one of the most versatile and widely used programming languages today, powering everything from simple scripts to complex web applications. As the language continues (...)
Harish Kumar
JavaScript Best Practices: Tips for Writing Clean and Maintainable Code
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Ditch jQuery: Vanilla JS Alternatives You Need to Know

jQuery revolutionized web development by simplifying DOM manipulation, event handling, and animations. However, modern JavaScript (ES6 and beyond) now provides many built-in methods (...)
Harish Kumar
Ditch jQuery: Vanilla JS Alternatives You Need to Know
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Shallow Copy vs Deep Copy in JavaScript: Key Differences Explained

When working with objects and arrays in JavaScript, it's crucial to understand the difference between shallow copy and deep copy. These concepts dictate how data is duplicated (...)
Harish Kumar
Shallow Copy vs Deep Copy in JavaScript: Key Differences Explained
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What's New in PHP 8.4: Key Enhancements and Updates

As PHP 8.4's release on November 21, 2024, approaches, it's clear that PHP continues to evolve and delight its developer community. For those who have been coding with PHP since (...)
Harish Kumar
What's New in PHP 8.4: Key Enhancements and Updates
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A Beginner’s Guide to Efficient Memory Use in JavaScript

Managing memory efficiently in JavaScript applications is essential for smooth performance, especially for large-scale or complex applications. Poor memory handling can lead to (...)
Harish Kumar
A Beginner’s Guide to Efficient Memory Use in JavaScript
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