A practical guide to three Spring Boot JDBC starters — spring-session-jdbc, spring-boot-starter-data-jdbc, and spring-boot-starter-jdbc — and when to use each for sessions, CRUD, and raw SQL.
Install and manage Rust toolchains with rustup on macOS — pin per-project versions, add components like clippy and rustfmt, and set up cross-compilation targets for Linux, WASM, and iOS.
