Posts
All the articles I've posted.
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Giới thiệu về MySQL Replication Master-Slave
MySQL Replication là một quá trình cho phép bạn dễ dàng duy trì nhiều bản sao của dữ liệu MySQL bằng cách cho họ sao chép tự động từ một master tạo ra một cơ sở dữ liệu slave. Điều này rất hữu ích vì nhiều lý do bao gồm việc tạo điều kiện cho sao lưu cho dữ liệu, một cách để phân tích nó mà không sử dụng các cơ sở dữ liệu chính, hoặc chỉ đơn giản là một phương tiện để mở rộng ra.
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NVSP Teaching Certificate: A Smart Career Alternative for IT Graduates in the AI Era 2026
A complete guide to Vietnam's Nghiệp vụ Sư phạm (NVSP) teaching certificate — what it is, eligibility requirements, costs, and why the path to becoming an IT lecturer at universities, colleges, or training centers is a stable and long-term valuable career choice for Vietnamese developers in 2026.
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ReactJS Junior Interview Questions: 30+ Real Questions With Answers 2026
30+ of the most commonly asked ReactJS junior interview questions in 2026 — covering Virtual DOM, hooks, state management, and performance optimization — with detailed answers and code examples to help you confidently pass any technical interview. You've been learning React for a few months, you've built projects, but every time you walk into an interview you get asked things no tutorial ever cove
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Refresh Token in Node.js and Laravel: Complete Production Implementation Guide 2026
A complete guide to implementing Refresh Tokens in both Node.js (Express) and Laravel PHP — covering database design, API endpoints, rotation logic, and common pitfalls — helping developers build a production-ready JWT authentication system in 2026.
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Session vs JWT: Which Should Developers Choose? A Practical Comparison for 2026
A detailed comparison of Session and JWT across 6 practical technical criteria — architecture, revocation, scaling, performance, security, and complexity — helping developers make the right choice for each type of project in 2026.
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JWT Security Best Practices: How to Secure JSON Web Tokens in Production 2026
You've implemented JWT and it works — but is it actually secure? Many developers get the functionality right while getting the security completely wrong: storing tokens in localStorage, using weak secrets, skipping claims validation, or ignoring refresh token rotation.