datatidehh

License-aware curated learning resources for Data/BI, SQL, Python/API, Microsoft Fabric/Power BI/Azure, Java/Spring, Git/CI, Linux, containers and networking.

C++20 learning project with CLion, CMake, Ninja and a small IPv4 subnet calculator

Java 21 learning project with IntelliJ IDEA, Eclipse Temurin and a small IPv4 subnet calculator

Public-safe Tailscale remote-access lab documenting native SSH over a private mesh VPN, trust boundaries, least-privilege design, device lifecycle and offboarding.

Reproducible World Bank data service with validated ingestion, constrained SQLite persistence, versioned Flask endpoints, SQL data-quality checks, OpenAPI 3.1 and cross-platform CI.

Small Java 21 / Spring Boot REST API for process-check data, layered backend structure, validation and H2 persistence.

Tested Altona district-data workflow using official Hamburg data, pandas, dataset contracts, automated validation, descriptive analysis and Power BI design.