common-problems Tutorials & Guides

Fixing Spring Configuration Issues in Kotlin: The Final Class Problem

Dec 20, 2024 • 5 min read • common-problems

Learn how to fix the 'Classes annotated with @Configuration must not be final' error in Kotlin Spring Boot applications using kotlin-allopen plugin. Complete guide with Maven & Gradle examples.

Latest Articles

Ship Frontends at Warp Speed with Claude Code + the Max Plan

May 6, 2025 • 2 min read • ai · Devops

Claude Code just became part of the Max plan, and it feels like strapping a rocket to our React stack. Boilerplate melts away, tests write themselves, and Decentri.fi ships features twice as fast—all in public.

Kotlin Sealed Classes vs. Data Classes: What's the Difference?

March 16, 2025 • 2 min read • Kotlin Basics

Sealed classes and data classes are powerful Kotlin features—but what’s the difference? In this post, we’ll explore their key distinctions, practical use cases, and how combining them can improve your Kotlin code.

Getting AI-Powered Code Assistance with MCP Server in IntelliJ IDEA

February 10, 2025 • 3 min read • ai · tooling

Enhance your IntelliJ IDEA workflow with AI assistance using the MCP Server plugin. This guide walks through installation, configuration, and best practices for integrating AI capabilities into your development environment.