Ruby

Ruby

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Last Update	09/18/2026
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Section 2: Core Syntax

5Lessons ·
- 4: Variables and Types
  
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- 6: Arrays and Hashes
  
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Section 4: Object-Oriented Ruby

5Lessons ·
- 13: Classes and Objects
  
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Section 5: Metaprogramming

4Lessons ·
- 20: define_method in Practice
  
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Section 11: Data Structures and Algorithms in Ruby

4Lessons ·
- 39: Implementing a Linked List in Ruby
  
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Section 13: Enumerable and Functional Style

4Lessons ·
- 49: Comparable Module and Custom Sorting
  
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Section 14: More OOP Practice

4Lessons ·
- 53: The Singleton Pattern in Ruby
  
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Section 16: Enumerable and Comparable Modules In Depth

5Lessons ·
- 58: The Enumerable Module Methods: map, select, reduce
  
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- 59: each_with_object and each_slice
  
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- 62: Custom Sortable Classes
  
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Section 22: Ruby Metaprogramming Deep Dive

4Lessons ·
- 89: instance_eval and class_eval
  
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Section 36: More Ruby Language Deep Dive

5Lessons ·
- 147: The Comparable Module Edge Cases
  
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Section 37: Ruby 3.x Modern Features

5Lessons ·
- 152: Rightward Assignment
  
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- 153: Hash Shorthand Syntax
  
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