Software

Longitudinal Data Analysis Using R is a practical, end-to-end guide to longitudinal data analysis that helps you move from raw data to credible substantive conclusions. It tackles the real pain points researchers face in longitudinal analysis, such as data preparation, exploring change over time, model choice, missing data, and interpretation, using clear explanations, real-world data, and fully reproducible R code.

Learn to build a production-grade web application with Spring Boot and Thymeleaf with this book.

This book is about exploratory testing as an approach to thinking and learning while testing. Some might call this skilled testing. Some might say just testing (of good quality). It's about the special thing professional testers do to when they provide great results, so that you can learn to do it better too.

A long pull of functions, combinators, & decorators, written in modern JavaScript.

Quantitative finance in C++: an inside look at the architecture of the QuantLib library.

Sourcegraph is a code search engine that shows you documentation and real-world usage examples for hundreds of thousands of libraries written in Python, JavaScript, Ruby, and Go.

A practical guide for Go programming newbies. You will learn the mechanics of creating a package in Go.

Presentation and control of interactive maps for traditional Internet and mobile platforms is now in your hands using leaflet.js. This book is aimed at helping people get started with this awesome JavaScript library. You can download for free or donate if you feel like contributing to further development :-).

As you apply these incremental refactorings in order, each one building on the last, you will steadily transform your legacy PHP application from a spaghetti mess to an organized, modern, testable application, free of globals and mixed concerns.

Production Go is the book about creating and maintaining modern production applications written in Go. It assumes prior programming knowledge, and is recommended for professional programmers.

Go beyond tutorials and learn how to take a game from its first playable prototype to a polished, release-ready product. Explore Godot, practical game projects, production workflows, Steam publishing, and indie marketing in one guide.