Guide to AI application development, practical AI programming, and interviews, covering core technologies and engineering practices including LLMs, Agents, RAG, MCP, Claude Code, and Codex.
Skill Codex
A tool for creating and exporting Draw.io diagrams. Draw.io, also called diagrams.net, is a visual editor for flowcharts, architecture diagrams and other technical drawings.
Skill Codex
A set of conventions for writing, reviewing, refactoring and explaining Java and Spring Boot code. It covers common application layers such as controllers, services and data-access code, while allowing repository-specific rules to take priority.