Hacking and Pen Testing: Become an Expert in Computer Hacking and Security (Penetration Testing, Cyber Security, Hacking)

The Ruby on Rails Performance Apocrypha: A starter guide to making Rails apps faster and more scalable

Agile Web Development with Rails 5.1

Docker for Rails Developers: Build, Ship, and Run Your Applications Everywhere

Effective Ruby: 48 Specific Ways to Write Better Ruby (Effective Software Development Series)

Learning Chef: A Guide to Configuration Management and Automation

Data Structures From Scratch: A brisk introduction to essential, advanced, and persistent data structures in Ruby.

Ruby Way, The: Solutions and Techniques in Ruby Programming (Addison-Wesley Professional Ruby Series)

Learn Ruby: The Beginner Guide: An Introduction to Ruby Programming

Ruby Performance Optimization: Why Ruby is Slow, and How to Fix It

Ruby In A Day: Learn The Basics, Learn It Quick, Start Coding Fast (In A Day Books Book 3)

Exploring Everyday Things with R and Ruby: Learning About Everyday Things

PYTHON: THE BLUEPRINT TO PYTHON PROGRAMMING: A Beginners Guide: Everything You Need to Know to Get Started (CyberPunk Blueprint Series)

Agile Data Science 2.0: Building Full-Stack Data Analytics Applications with Spark

C++ Programming For Beginners: A Simple Start To C++ Programming Written By A Software Engineer (c programming absolute beginners guide, c programming a modern approach) (NEW 2020 UPDATES)

The Ultimate Guide For Making the Jump To Elixir: Learn the Basics So You Can Write Production Ready Code

Shopify Application Development

SQL: Beginner's Guide to Learn SQL for Database and Data Analysis (with MySQL) Quickly with a Hands-On Project

Rails 5 Test Prescriptions: Build a Healthy Codebase

Android: Programming & App Development For Beginners (Android, Rails, Ruby Programming, App Development, Android App Development)

Hacking & Tor: The Ultimate Beginners Guide To Hacking, Tor, & Accessing The Deep Web & Dark Web (How to Hack, Penetration Testing, Computer Hacking, Cracking, ... Deep Web, Dark Web, Deep Net, Dark Net)

Machine Learning for Factor Investing: R Version (Chapman and Hall/CRC Financial Mathematics Series)

Java For Beginners: A Simple Start To Java (Written By A Software Engineer) (java in one day, java quick reference, java programming simplified) (UPDATED 2020) (Computer Programming)

Python for Beginners: A Smarter Way to Learn Python in 5 Days and Remember it Longer. With Easy Step by Step Guidance and Hands on Examples. (Python Crash ... for Beginners) (Easy Python Book 1)

The Book of Ruby: A Hands-On Guide for the Adventurous

Data Structures and Algorithms in Ruby

Introducing Data Science: Big data, machine learning, and more, using Python tools