Learn Ruby the Hard Way A Simple and Idiomatic Introduction to the Imaginative World Of Computational Thinking with Code

Zed A. Shaw is the author of the popular online books Learn Python The Hard Way, Learn Ruby The Hard Way, and Learn C The Hard Way.  He is also the creator of several open source software projects like Mongrel, Lamson, Mongrel2, and has been programming and writing for nearly 20 years.

Part 1:

Exercise 0. The Setup

Exercise 1. A Good First Program

Exercise 2. Comments And Pound Characters

Exercise 3. Numbers And Math

Exercise 4. Variables And Names

Exercise 5. More Variables And Printing

Exercise 6. Strings And Text

Exercise 7. More Printing

Exercise 8. Printing, Printing

Exercise 9. Printing, Printing, Printing

Exercise 10. What Was That?

Exercise 11. Asking Questions

Exercise 12. Prompting People

Exercise 13. Parameters, Unpacking, Variables

Exercise 14. Prompting And Passing

Exercise 15. Reading Files

Exercise 16. Reading And Writing Files

Exercise 17. More Files

Exercise 18. Names, Variables, Code, Functions

Exercise 19. Functions And Variables

Exercise 20. Functions And Files

Exercise 21. Functions Can Return Something

Exercise 22. What Do You Know So Far?

Exercise 23. Read Some Code

Exercise 24. More Practice

Exercise 25. Even More Practice

Exercise 26. Congratulations, Take A Test!

Exercise 27. Memorizing Logic

Exercise 28. Boolean Practice

Exercise 29. What If

Exercise 30. Else And If

Exercise 31. Making Decisions

Exercise 32. Loops And Lists

Exercise 33. While Loops

Exercise 34. Accessing Elements Of Lists

Exercise 35. Branches and Functions

Exercise 36. Designing and Debugging

Exercise 37. Symbol Review

Exercise 38. Reading Code

Exercise 39. Doing Things To Lists

Exercise 40. Dictionaries, Oh Lovely Dictionaries

Exercise 41. Gothons From Planet Percal #25

Exercise 42. Gothons Are Getting Classy

Exercise 43. You Make A Game

Exercise 44. Evaluating Your Game

Exercise 45. Is-A, Has-A, Objects, and Classes

Exercise 46. A Project Skeleton

Exercise 47. Automated Testing

Exercise 48. Advanced User Input

Exercise 49. Making Sentences

Exercise 50. Your First Website

Exercise 51. Getting Input From A Browser

Exercise 52. The Start of Your Web Game

Next Steps

Advice from An Old Programmer

Part 2:

Developing Smart Applications in Ruby

(Ten new chapters)

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