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Learn Ruby Programming by Examples

Zhimin Zhan and Courtney Zhan

Learn and master programming with Ruby in a step by step and practical way. 

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About

About

About the Book

On December 8, 2013, US President Barack Obama "asked every American to give it a shot to learn to code" (watch it here), kicking off the Hour of Code campaign for Computer Science Education Week 2013. "Learning these skills isn't just important for your future, it's important for our country's future," President Obama said.

The message is clear: coding (aka. programming) is an important skill for this Information Age, and many will agree.  Some might wonder: there are many "how to program" books, why another one? 

A typical how-to-program book will go through the programming concepts, syntax and followed by demonstrations with simple examples. I have read dozens of them (for different programming languages) and taught this way at universities. It was not an effective approach. It is more like a teacher dumping knowledge upon students.

I believe a better way is to engage students in doing carefully selected programming exercises and guiding them solving interesting and useful computer programs. New programming concepts are introduced gradually.  I put this into practices by teaching my 12-year old daughter Courtney. This book is the outcome of the journey.  

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Author

About the Authors

Zhimin Zhan

Zhimin Zhan is the founder and principal agile testing coach of AgileWay Pty Ltd, Australia. As an advisor and coach, he helps organisations implement test automation using Continuous Testing with open technologies, such as Selenium WebDriver / Appium. Zhimin is the creator of TestWise, the next-generation functional testing tool that supports functional test refactorings, and BuildWise, an international award-winning Continuous Testing Server. Zhimin is a frequent speaker and author of 14 books on software testing and programming. He shares his test automation and CI experience on Substack and Medium.

Courtney Zhan

Courtney Zhan is a Software Development Engineer at Amazon Australia, with a passion for end-to-end test automation, programming, continuous testing, and graphic design. She shares tips and insights on test automation and continuous testing weekly on Medium and Substack. Courtney is the published author of ‘Selenium WebDriver Recipes in C#’ by Apress, and 21 of her articles have been featured on software testing newsletters.

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Contents

Table of Contents

Preface

  1. What is unique about this book?
  2. Who should read this book
  3. How to read this book
  4. Send me feedback

1.Introduction

  1. 1.1Ruby on Windows
  2. 1.2Ruby on Mac OS X
  3. 1.3Online Ruby Tutorials
  4. 1.4Rhythm for Working on the exercises
  5. 1.5Suggestions on Windows Layouts
  6. 1.6Type of errors
  7. 1.7Interactive Ruby Shell (IRB )

2.Printing Shapes

  1. 2.1Print out Triangle
  2. Working out the solution on your computer
  3. 2.2Print out a half diamond
  4. 2.3Print out diamond shape
  5. 2.4Print big diamond, name your size
  6. 2.5Exercises

3.Quiz Time

  1. 3.1Simple Add Calculator
  2. 3.2Addition Quiz
  3. 3.3Subtraction Quiz
  4. 3.4Number Guessing Game
  5. 3.5Exercises

4.Array and Hash

  1. 4.1Sort Children Names
  2. 4.2Get the character from given alphabetical position
  3. 4.3Calculate Average
  4. 4.4What makes 100% in life?
  5. 4.5Exercises

5.Useful Utility Programs

  1. 5.1Fahrenheit to Celsius Converter
  2. 5.2Personal Income Tax Calculator
  3. 5.3Word count
  4. 5.4Generate Lotto Numbers
  5. 5.5Number sorting
  6. 5.6Exercises

6.Fun Math

  1. 6.1Finding Divisors
  2. 6.2Finding the Highest Common Factor
  3. 6.3Finding the Least Common Multiple (LCM)
  4. 6.4Finding Prime Numbers
  5. 6.5Fibonacci sequence
  6. 6.6Consecutive Sums
  7. 6.7Exercises

7.Methods

  1. 7.1Finding the Highest Common Factor (using method)
  2. Refactoring
  3. 7.2Generate Lotto Numbers (using a method)
  4. 7.3Finding the LCM for multiple numbers (using method)

8.File and Network

  1. 8.1Calculate average score
  2. 8.2Count words and lines in a text file
  3. 8.3Mail merge birthday invitation cards
  4. 8.4Rename files
  5. 8.5Currency exchange with live quoting
  6. 8.6Send individual thank you emails
  7. 8.7Exercises

9.Object Oriented Programming

  1. 9.1Calculator (Class)
  2. 9.2Age of Teacher and Students
  3. 9.3Calculate Sales Tax
  4. 9.4Library System
  5. 9.5Sunflower vs Zombies Game Simulation
  6. 9.6Exercises

10.Classic Puzzles

  1. 10.1Google Labs Aptitude Test
  2. 10.2Fibonacci and HCF (Recursion)
  3. 10.3Calculate Compound Interest
  4. 10.4Farmer Crosses River Puzzle
  5. 10.5Cryptic Math Equation (Backtracking)
  6. 10.6More Puzzle Exercises

11.Web Test Automation

  1. 11.1The best job is not far away
  2. 11.2Drive Firefox with Selenium WebDriver
  3. 11.3Drive Chrome with Selenium WebDriver
  4. 11.4Complete Test with Verification
  5. 11.5For more on test automation …

12.Beyond This Book

  1. 12.1More Ruby
  2. 12.2More exercises
  3. 12.3Automated Testing with Ruby
  4. 12.4Web Programming with Ruby on Rails
  5. 12.5Game Programming and Mobile Apps
  6. 12.6Learn another programming language

Appendix 1 Ruby in Nutshell

Appendix 2 Solutions

  1. Chapter 2
  2. Chapter 3
  3. Chapter 4
  4. Chapter 5
  5. Chapter 6
  6. Chapter 7
  7. Chapter 8
  8. Chapter 9
  9. Chapter 10
  10. Chapter 11

Resources

  1. Code Editor
  2. Ruby Language
  3. Ruby Tutorials
  4. More Exercises
  5. Test Automation
  6. Others

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