All of my long-form thoughts on programming, content creation, and more, collected in chronological order.
If you have an unlimited budget to spend on AI, you probably don't need to read this. If you don't like saving money, feel free to skip this one. But if you're like me and want to reduce your AI application costs, prompt caching is a technique you need to...
OpenAI released Codex, a new GUI for their coding agent. I put it to the test by building a vending machine CLI application in Java 25 with Maven, JUnit 6, and JSpecify null safety annotations.
Learn how to use the new spring-boot-starter-opentelemetry in Spring Boot 4 to add observability with traces, metrics, and logs—no Actuator required.
Learn how to build a REST API with Spring Boot 4 in minutes. This tutorial shows you how to create CRUD endpoints using Java records and the @RestController annotation.
Learn how to load resources in Spring Boot using the Resource interface. This tutorial covers three approaches for loading files from the classpath, filesystem, and URLs.