Jigang Guo

A passionate full-stack developer based in Wellington, New Zealand. I love turning technology into meaningful products that improve lives.

Web standards and WAI (web accessibility initiative)

August 17, 2025

Design patterns CQRS, MVC, MVVM, Repository

August 17, 2025

React Common Mistakes and How to Avoid Them

August 13, 2025

Understanding Deep Copy and Shallow Copy in Programming

August 12, 2025

2025

Web standards and WAI (web accessibility initiative)

1. Web Standards Explanation (Simple English):Web standards are rules and guidelines for building websites. They are made by organizations like...

August 17, 2025

Front-End

Design patterns CQRS, MVC, MVVM, Repository

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

When to Use List, Tuple, and Dict in Python: A Practical Guide

Python offers several built-in data structures to organize and manage data efficiently. Among the most commonly used are List, Tuple,...

July 12, 2025

Python