Chapters

1. Getting started with Ruby Language
2. Casting (type conversion)
3. Operators
4. Variable Scope and Visibility
5. Environment Variables
6. Constants
7. Special Constants in Ruby
8. Comments
9. Arrays
10. Multidimensional Arrays
11. Strings
12. DateTime
13. Time
14. Numbers
15. Symbols
16. Comparable
17. Control Flow
18. Methods
19. Hashes
20. Blocks and Procs and Lambdas
21. Iteration
22. Exceptions
23. Enumerators
24. Enumerable in Ruby
25. Classes
26. Inheritance
27. method_missing
28. Regular Expressions and Regex Based Operations
29. File and I/O Operations
30. Ruby Access Modifiers
31. Design Patterns and Idioms in Ruby
32. Loading Source Files
33. Thread
34. Range
35. Modules
36. Introspection in Ruby
37. Monkey Patching in Ruby
38. Recursion in Ruby
39. Splat operator (*)
40. JSON with Ruby
41. Pure RSpec JSON API testing
42. Gem Creation/Management
43. rbenv
44. Gem Usage
45. Singleton Class
46. Queue
47. Destructuring
48. Struct
49. Metaprogramming
50. Dynamic Evaluation
51. instance_eval
52. Message Passing
53. Keyword Arguments
54. Truthiness
55. Implicit Receivers and Understanding Self
56. Introspection
57. Refinements
58. Catching Exceptions with Begin / Rescue
59. Command Line Apps
60. IRB
61. ERB
62. Generate a random number
63. Getting started with Hanami
64. OptionParser
65. Operating System or Shell commands
66. C Extensions
67. Debugging
68. Ruby Version Manager
69. Installation

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