Make Duplicate Requests Harmless With Idempotency Keys
A timeout can hide a successful request. Idempotency keys let a backend recognize retries, but the database and external side effects need a coherent design.
Backend Development
Databases Behind the Screen: Building Faster, Safer Web Applications
Databases are the foundation of most modern web applications, storing the information that powers user accounts, content, transactions, and analytics. Understanding how to design, query, secure, and scale them is essential for effective web development.
PHP in Modern Web Development: Why It Still Powers the Internet
PHP remains one of the most practical and widely used languages for building dynamic websites and web applications. Its mature ecosystem, broad hosting support, and modern frameworks keep it highly relevant for developers and businesses alike.