Software

Real-world advice for adding reliable tests to your Rails apps with RSpec, complete with expanded, exclusive content and a full sample application. Now updated for Rails 8.1! Learn to test with confidence!

This book brings the fundamentals of R programming to you, using the same material developed as part of the industry-leading Johns Hopkins Data Science Specialization. The skills taught in this book will lay the foundation for you to begin your journey learning data science. Printed copies of this book are available through Lulu.

This book teaches you to use R to effectively visualize and explore complex datasets. Exploratory data analysis is a key part of the data science process because it allows you to sharpen your question and refine your modeling strategies. This book is based on the industry-leading Johns Hopkins Data Science Specialization.

Ever wanted to learn how to program a robot? Afraid that programming is too hard? A Gentle Introduction to Robotics will have you up and running a robot around in no time!

A code-free book aimed at developers, this is stuffed full of good advice that will help you to achieve your goals throughout your career. You can buy textbooks to learn the technical expertise, but this is the book that will teach you to become a better developer in every way.

Using AI to code is easy. Using it without losing control — not so much.By week three, your project stops moving. The agent forgets decisions it made ten days ago. A change in auth breaks the dashboard. You spend more time re-explaining context than writing features. The code works, but only you know why — and you're not even sure you remember all of it.That's vibe coding hitting its ceiling.Spec-Driven Development is the method that replaces the chaos with a spec the AI actually executes. Not a ceremonial document. A working artifact: PRD, issues, tests, code — all traceable, all connected, all in the right order.This book shows you:How to grill your own idea before writing a single promptHow to write a PRD the AI won't misinterpretThe 7 phases that turn an idea into working softwareHow to use GitHub SpecKit and openSpec (and when not to)How to work this way in a team without slowing downThe 5 anti-patterns that destroy every spec22,000 words. 13 chapters. 5 appendices with ready-to-copy templates.No theory dumps. No filler. Just the method.

You distinguish yourself from others not so much by what you've read, viewed or listened to, but by the lasting impact that information has had upon you. How can you use knowledge to become a more effective person? Cognitive Productivity answers this question with cognitive science and practical strategies.

Ready to finally master React without the overwhelm? Code React Sweetly is the beginner-friendly, hands-on guide that takes you from zero to confidently building and deploying real-world React applications. Learn JSX, components, props, state, hooks, forms, styling, and routing step by step—all while creating practical projects you can actually use. No endless theory. No tutorial hell. Just clear explanations, real code, and a shopping cart app that ties it all together. By the end, you’ll honestly think like a React developer. Build. Style. Deploy. Repeat. Start your React journey now! Printed copies of this book are also available on Amazon.

Aprender a trabajar con Git y GitHub es una habilidad esencial como programador. Esta es una guía de estudio teórico-práctica paso a paso y desde cero más un curso de 5 horas en vídeo 100% gratis. 45 lecciones, decenas de comandos y casos prácticos reunidos en un único lugar para comenzar a usar rápidamente Git y GitHub de manera profesional.

Real-world advice for adding reliable tests to your Rails apps with the default tools (mostly), complete with expanded, exclusive content and a full sample application. Learn to test with confidence!

15 Years of Gamification Design Experience and Research in one book. Companies pay thousands of dollars to learn Yu-kai's Octalysis Framework. Get it all here.

SAP Data Medium Exchange by Techlorean. Simple Explanation + Quick Understanding. Expect a casual non-technical tone to help you understand the subject matter rather than just knowing the configurations.