The Pyramids of Giza and the Great Sphinx are an ancient necropolis on the west bank of the Nile (near Cairo, Egypt), built in the 26th–23rd centuries BC by the pharaohs of the Fourth Dynasty (Khufu, Khafre, and Menkaure). The complex includes three great pyramids and a monolithic Sphinx with the body of a lion and the face of a man, likely depicting Khafre, who guards the tombs. The Great Sphinx on the west bank of the Nile at Giza is the oldest surviving monumental sculpture on Earth. Carved f

Pyramids of Giza & Great Sphinx: Ancient Egyptian Wonders

System Design: Building a Bulletproof Payment Gateway! 🚀 Basic payment setups fail during network timeouts. To block catastrophic duplicate charges, enforce client-generated idempotency keys (UUIDs). The server saves this key first; if a duplicate request arrives, it immediately returns the cached result instead of re-charging the buyer. Never overwrite database rows to update payment statuses. Instead, implement an immutable ledger where every state change—authorized, captured, or refunded—cre

Advantages of Microservices Architecture in Flood Control Projects

Designing Fault Tolerance in Microservices Architecture