Ruby

Ruby

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Last Update	09/18/2026
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Section 4: Object-Oriented Ruby

5Lessons ·
- 14: Modules and Mixins
  
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Section 13: Enumerable and Functional Style

4Lessons ·
- 50: Functional-Style Method Chaining
  
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Section 21: Ruby on Rails Deep Dive

8Lessons ·
- 81: Rails MVC Architecture In Depth
  
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Section 23: Ruby Design Patterns

5Lessons ·
- 93: The Null Object Pattern in Ruby
  
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- 94: The Factory Pattern in Ruby
  
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- 95: The Observer Pattern with Ruby's Observable Module
  
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- 96: The Decorator Pattern in Ruby
  
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Section 24: Ruby Concurrency

4Lessons ·
- 100: Ractor for True Parallelism
  
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Section 39: More Practical Projects

5Lessons ·
- 165: Building a Multi-Tenant SaaS with Rails
  
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Section 41: More Practice and Review

4Lessons ·
Section 44: Ruby Background Processing Deep Dive

4Lessons ·
- 186: Handling Job Failures and Retries
  
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Section 46: Ruby Object Model Deep Dive

5Lessons ·
- 191: BasicObject and the Root of the Hierarchy
  
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Section 47: Ruby Hanami Framework Overview

3Lessons ·
- 197: Comparing Hanami to Rails
  
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Section 54: Ruby Feature Flags and Experimentation

4Lessons ·
- 223: A/B Testing Infrastructure in Rails
  
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Section 59: More Final Projects

6Lessons ·
- 246: Building a Simple CRM Backend
  
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- 248: Building a Social Bookmarking Service
  
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