marmo.dev
Field notes on AI, Java, open source and shipping software
Hibernate 7.4 introduces temporal entities, auditing, and safer pagination—key upgrades for Spring Data JPA developers.
Read the full analysis
A quick Spring Boot 4 migration diary: moved packages, split deps, and stricter tests.
Read more
A full-stack document intelligence demo using Angular, Spring Boot, Spring AI 2.0, and Mistral OCR 4 to extract markdown, layout blocks, tables, images, confidence signals, and structured JSON.
Read more
Fix Java/Kotlin interop issues in VS Code and VSCodium with Maven compiler settings, Kotlin source roots, and Java-facing service contracts.
Read more
Better code quality using MDN MCP Server. The MDN MCP Server connects AI coding tools like OpenCode and Mistral Vibe Code to trusted web documentation, reducing guesswork in frontend development.
Read moreFree newsletter
A free email when I publish a useful AI, Java, open source, sovereignty, or build-and-ship deep dive.
Checklists for your project
How to define specific properties for a Spring Boot test class
Organise and tests the exceptions using ControllerAdvice
How to warn the user before to leaving the page with unsaved changes
Step-by-step guide to building a full-stack Java and Angular application. Covers setup, deployment, error handling, and best practices for a production-ready app.
Override the version of a third party library in Maven
How to solve "FetchEvent.respondWith TypeError: Internal error"
momentjs migration and commonjs dependencies - dayjs and luxon
If you want to get notifications when a new article is updated or added, you can subscribe my newsletter. It would be nice to create a