Jigang Guo

1. CQRS (Command Query Responsibility Segregation) Explanation (Simple English):CQRS is a design pattern that separates write operations (commands) from read...

August 17, 2025

PHP

React Common Mistakes and How to Avoid Them

When learning React, it’s normal to make small mistakes that lead to bugs or unexpected behavior. I’ve summarized my own...

August 13, 2025

Front-End / React

Understanding Deep Copy and Shallow Copy in Programming

When you work with objects in programming, sometimes you need to make a copy of an object. But do you...

August 12, 2025

PHP

How to Develop a Custom Gutenberg Block in WordPress (Coupon Example)

Gutenberg, the block editor introduced in WordPress 5.0, is much more than a content editor. It’s also a framework for...

August 10, 2025

WordPress / WP Plugin Development

Understanding Laravel’s app() Helper Function: A Deep Dive into Service Resolution and Dependency Injection

Laravel, as a modern PHP framework, is known for its expressive and elegant syntax. At the heart of its powerful...

August 7, 2025

PHP

Understanding Dependency Injection in Laravel: Achieving Flexibility with Service Interfaces

In modern web application development, maintainability and testability are crucial. Laravel, one of the most popular PHP frameworks, makes it...

August 7, 2025

PHP

Understanding Python’s Scope and the LEGB Rule

When writing Python code, understanding how and where variables are resolved is crucial. Python uses a well-defined rule called LEGB...

July 12, 2025

Python

Understanding Python Sets: Practical Use Cases with Examples

Python’s built-in set data type is a powerful tool for handling collections of unique items. Unlike lists or tuples, sets...

July 12, 2025

Python