Ruby

Ruby

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Last Update	09/18/2026
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Section 6: Working with Data and Files

4Lessons ·
- 22: File I/O and Exceptions Revisited
  
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Section 13: Enumerable and Functional Style

4Lessons ·
- 50: Functional-Style Method Chaining
  
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Section 14: More OOP Practice

4Lessons ·
- 54: Struct and OpenStruct for Lightweight Objects
  
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Section 16: Enumerable and Comparable Modules In Depth

5Lessons ·
- 61: The Comparable Module and <=>
  
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Section 22: Ruby Metaprogramming Deep Dive

4Lessons ·
- 91: const_missing and Dynamic Constants
  
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Section 23: Ruby Design Patterns

5Lessons ·
- 94: The Factory Pattern in Ruby
  
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- 96: The Decorator Pattern in Ruby
  
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Section 36: More Ruby Language Deep Dive

5Lessons ·
- 146: Frozen String Literals and Immutability
  
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- 148: Method Missing vs respond_to_missing?
  
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- 150: Pattern Matching with case/in (Ruby 3)
  
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