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Building a product without validating your idea can lead to wasted time, money, and effort. That’s why many startups and businesses choose to launch a
I built an open-source collection of Claude/Codex skills for Spring Boot projects. It includes focused skills for REST APIs, Spring Data JPA, Flyway,
Day 14 of building OrderHub in the open. So far we have a monolith with real persistence, validation, exception handling, OpenAPI docs, a Redis cache,
GitHub：https://github.com/smartboot/feat Almost every Java developer has complained about Spring: slow startup, memory-hungry, bloated dependencies
Your Agent Loop Just Cost $1,000: Instrumenting Spring AI with OpenTelemetry GenAI Conventions In 2026, deploying multi-agent systems witho
If you've ever wanted an AI that doesn't just chat but actually does things — queries databases, calls APIs, makes decisions, and learns from results
If you've ever tried integrating a large language model (LLM) into a Java application, you've probably written a lot of boilerplate: HTTP clients, JSO
@Transactional(readOnly = true) gets slapped on every query method out of habit, the way people sprinkle final on local variables. A marker for the ne
Called this.notify(o) from inside placeOrder(), both methods on the same @Service. No exception. No warning. It just ran the mailer call inline, block
A retry aspect and a @Transactional aspect were both wrapping the same method. Neither had @Order. I assumed Spring would nest them the way I had pict
A prototype-scoped bean injected into a singleton is created exactly once. That is not a corner case, it is how Spring's dependency injection works by
Introduction to DOM Manipulation The Document Object Model (DOM) is a programming interface provided by the browser that represents an HTML document
If you've just started learning Java, you've probably heard something like this: "Primitive variables are stored on the Stack, and Objects are store
Honestly, this started out of frustration. I was applying for jobs a few months back and kept doing this thing where I'd open a job description, read
A Lottie library is only as good as its output looks. If an animation renders differently in Lottie4J than it does in the official web player, that's
Need to turn Word docs into crisp PDFs on the fly, without installing Office? In this hands‑on guide we walk through setting up the GroupDocs Convers
Apache DolphinScheduler has already been deployed on a virtual machine. Next, we want to try creating a Flink task node in DolphinScheduler and use
Rules for creating a class => Using class keyword to create a class. public class Home { } => Give a class name meaningful (templ
JavaScript Math Object The Math Object The JavaScript Math object allows you to perform mathematical tasks. The Math object is static. All methods
Securing Spring AI Tool Calls: Stop Letting AI Agents Bypass Authorization with ScopedValue As enterprise AI agents transition from read-on