Database Design for Chat Applications: A Complete Beginner's Guide

2025-11-18 · Database Design · 8 min read

Learn how to structure your database for chat applications with users, conversations, and messages. Step-by-step guide with real code examples.

#database #postgresql #mongodb #chat #beginner

Advanced Gas Optimizations in Solidity: Bitmaps for Boolean Flags

2025-11-15 · Solidity / Gas Optimizations · 12 min read

Using bitmaps to pack many boolean flags into a single storage slot and dramatically reduce SSTORE costs.

#solidity #gas #evm #optimization #bitmap