A framework-free RAG system: RAG pipeline, agent graph and agent loop retrieval modes, with citation validation and a Spark/Delta lakehouse for corpus building.

An interactive mochi recipe calculator. Input quantity or flour weight to auto-generate precise ingredient ratios across three cooking modes.

A hands-on reconstruction of Spring's core-covering IoC, AOP, and Transaction management.

Multilingual question bank and practice tools for the German citizenship exam.

Technical and Feature Overview of This Blog.