A practical book aimed for those familiar with functional programming in Scala who are yet not confident about architecting an application from scratch.

Together, we will develop a purely functional application using the best libraries in the Cats ecosystem, while learning about design patterns and best practices.

日本語テキストを処理したい全てのプログラマ・エンジニアの方へ。分かち書きなどの基本から、自然言語生成などの最新の話題までをカバー。動かして学べるコードや、参照文献も付いています。言語学や機械学習の知識が無くても問題ありません。

A Functional Programming book from beginner to advanced without skipping a single step along the way.

In my 40 years of programming, I've felt that programming books always let me down, especially Functional Programming books. So, I wrote the book I wish I had 5 years ago.

Functional Programming will never be easy, but it can be easier.

Explore the event-driven architecture (EDA) in a purely functional way, mainly powered by Fs2 streams in Scala 3!

Leverage your functional programming skills by designing and writing stateless microservices that scale, powered by stateful message brokers.

Ansible is a simple, but powerful, server and configuration management tool. Learn to use Ansible effectively, whether you manage one server—or thousands.

“Strategy is the difference between making a wish and making it come true.” A successful migration to the cloud can transform your organization, but it shouldn’t be driven by wishes. This book tells you how to develop a sound strategy guided by frameworks and decision models without being overly abstract nor getting lost in product details.

A short guide to visualising, documenting and exploring your software architecture.

In 2009, I published Scrum Product Ownership - Ed. 1. Then the 2'nd Ed. in 2013. This is the 3'rd edition, celebrating the 10th anniversary of the original book. It's evolved from a beginners guide to be a more balanced reference for beginners, practitioner, and expert Product Owners.