The most secure, collision-resistant ids optimized for horizontal scaling and performance.

The Orione Team Learning Path

Reactive Streams Specification for the JVM

Everything you need to conduct an introductory workshop on test-driven development.

This toy application is an experiment with the idea of use case driven architecture and isolation from frameworks.

Starting code for a Refactoring Code Kata on the Tennis rules

Legacy Code Retreat - Trivia Game codebase

Backend application for the CleanCoders series

Awesome Android references for everything like best practices, performance optimization, etc.

Architecture decision record (ADR) examples for software planning, IT leadership, and template documenation

My list of code katas

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

DDD. Event sourcing. CQRS. REST. Modular. Microservices. Kotlin. Spring. Axon platform. Apache Kafka. RabbitMQ

A collection of postmortem templates

A collection of engineering ladders for reference and inspiration

A collection of awesome things regarding Frameworkless

Excercises for Principles, Patterns, and Practices, iHop, Pood.

Code Kata: "Back to the checkout"

Repository for the example code of the book "Seven concurrency models in seven weeks".

The videostore example from Martin Fowler's Refactoring, and from Episode 3 of cleancoders.com

Clean Architecture Example (Java): Example of what clean architecture would look like (in Java)

A demonstration of James Shore's "Testing Without Mocks" pattern language.

Let's Code: Test-Driven Javascript. A screencast series about rigorous, professional web development.

A guide to concurrency, multi-threading and parallel programming concepts. Explains the differences between every concept, their advantages and disadvantages in detail.

Monopoly domain

Microsoft patterns & pratices CQRS Journey sample application

Practical challenges for RxJava learners