Felix Makinda

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Felix Makinda.
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Everything I've written that touches on Java.

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  • 16 Oct 2026TechnologyAnatomy of a Full-Stack Web App: Following One Car From a Click to the Database and BackWhat actually happens when you click "Save" in a web app? Using a small car inventory app built with React, Spring Boot and MariaDB, we follow three everyday actions (listing, adding and deleting) from the button to the database and back, with diagrams and the real code.
  • 9 Oct 2026TechnologySpring Security Without WebSecurityConfigurerAdapter: Updating Spring Boot 2 Security Code for Spring Boot 4WebSecurityConfigurerAdapter no longer exists in Spring Security 7. Here is how a classic Spring Boot 2 security setup (in-memory users, database users and JWT login) looks on Spring Boot 4.1, side by side and tested.

Building durable systems, and writing to understand the people they serve.

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