A complete implementation of the Memento Pattern for persisting aggregates using plain PDO with SQLite. This project demonstrates how to persist complex domain objects while maintaining clean ...

Alibaba Tongyi Lab research team released ‘Zvec’, an open source, in-process vector database that targets edge and on-device retrieval workloads. It is positioned as ‘the SQLite of vector databases’ ...

A comprehensive tariff calculator for US imports with support for Trump-era tariff overlays including Section 232 (Aluminum, Steel, Copper), Section 301 (China), and Reciprocal tariffs.