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Updated 5 months ago

The Handbook for Ruby Developers
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Gain insights into Ruby development with 78 tasks tailored for beginners and experienced coders. Explore object-oriented concepts, debug programs, and advance your freelance coding career.

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Overview

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This self-study course written as a book is your first step towards making money by coding and programming from home, and having fun doing it. You will understand how the Ruby language works, and establish a foundation for being a successful freelance developer. This course gives you not only technical detail, but presents knowledge in a friendly format, understandable by all ages, providing a thorough explanation of modern concepts for absolute beginners. In this course you will find 78 easy to follow tasks, so even people without any programming skill can solve them. Beginners will learn how to create, debug, and understand programs in Ruby. Those who are already familiar with the language will rediscover object-oriented concepts, memory organization, find career advice, and save the planet from a nuclear apocalypse. Ready to dive into one of the most influential and demanding third generation programming languages? Let's tune in!

This self-study course written as a book is your first step towards making money by coding and programming from home, and having...Show More

WHAT YOU'LL LEARN

Learn the difference between Ruby and other programming languages.

Understand the fundamentals of Ruby.

Understand the operators and methods used in Ruby.

Learn about object-oriented programming in Ruby.

Learn about the process of debugging in Ruby and Ruby Version Management (RVM).

Learn about the testing process in Ruby.

Learn the difference between Ruby and other programming languages.

Content

89 Lessons10 Quizzes5 Challenges

Before We Begin

4 Lessons

Step through Ruby's versatility, career benefits, and practical applications in web programming.

In Lieu of an Introduction

Why Should We Learn Ruby?

What Will We Study?

Your Advantage

First Steps

5 Lessons

Unpack the core of setting up Ruby environments, writing basic programs, using REPL, and solving time calculation exercises.

Runtime Environments

Writing Our First Program

REPL

Exercise: First steps

Quiz: First Steps

Fundamentals of Ruby

13 Lessons

Examine Ruby's core concepts: variables, data types, objects, string operations, blocks, and type conversion.

Variables in Ruby

String Addition and Multiplication

Data Types in Ruby

Everything Is An Object in Ruby (Proof)

Type Casting (Type Conversion)

Fractional Numbers

String Interpolation in Ruby

Bang!

Blocks in Ruby

Blocks with Parameters

Methods of Ruby’s Integer Class

Exercise 1: Fundamentals of Ruby

Quiz: Fundamentals of Ruby

Conditional Statements

6 Lessons

Break down complex ideas to effectively use Ruby's conditional statements and practical exercises.

Testing Variables and Branching

Combining Conditions

Some Useful Ruby Methods

Random Numbers

Exercise: Conditional Statements

Quiz: Conditional Statements

Operators and Methods

7 Lessons

Dig into Ruby operators, methods, variables, and practical applications with various examples.

Ternary Operator

Loading Indicator

Methods

Judgment Day Emulator

Instance and Local Variables

Programming a Slot Machine

Quiz: Operators and Methods

Arrays

14 Lessons

See how it works: from array initialization and manipulation to complex structures in Ruby.

Introduction to arrays

Initializing Arrays

Accessing Arrays

Battle of the Robots

Arrays of Arrays: Two-dimensional arrays

Arrays of Arrays: Referencing

Accessing Arrays of Arrays

Multidimensional Arrays

Gems

Closer Look into Arrays

Hash

14 Lessons

Practice using Ruby hashes for data storage, manipulation, and iteration in real-world applications.

Hash

Hash in Ruby

Other Types as Hash Values

JSON-structure of a real-world application

English-Spanish dictionary

Comparison of Hashes and Arrays

Methods of Hash Class

Setting a Default Value in Hash

Passing Parameters to Methods

HashSets

Iteration over Hash Elements

The “dig” method

Exercise: Hash

Quiz: Hashes

Fun with Object Oriented Programming

12 Lessons

Learn how to use objects, state, and advanced OOP concepts in Ruby development.

Objects and State

Scope of Variables

Significance of State

Example of State

Duck Typing and Polymorphism

Inheritance

Modules

Subtyping vs Inheritance

Class methods

The truth about Object-oriented Programming

Exercise: Game of Robots

Quiz: Object-oriented Programming

Debugging in Ruby

4 Lessons

Walk through Ruby debugging techniques including console outputs, console debuggers, and IDE tools.

Debugging in Ruby

Debugging Using the Output to the Console

Debugging Using a Console Debugger

Quiz: Debugging the Program

10.

Ruby Version Manager

4 Lessons

Break apart Ruby Version Manager basics, semantic versioning, and handling multiple Ruby installations.

Introduction to the Version Management

Semantic Versioning

Multiple Ruby Versions

Quiz: Ruby Version Manager

11.

Testing Ruby Programs

3 Lessons

Break down the steps to test Ruby programs, ensuring functionality and code reliability.

Introduction to Software Testing

Rspec Testing Framework

A TestCase Scenario

12.

Wrap Up!

1 Lessons

Take a look at continuous learning in mastering Ruby and future growth in programming.

Final Words

13.

Appendix

2 Lessons

Simplify complex topics on Ruby environment setup and debugging with IDE tools.

Setting Up Environments

Debugging with IDE

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Course Author:

Roman Pushkin

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Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI Mock Interviews

Test your skills in a simulated interview setting. Receive personalized feedback based on your performance. Available for Coding Interviews, System Design, and more.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

Free Resources

FOR TEAMS

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The Handbook for Ruby Developers Save

The Handbook for Ruby Developers
Save