Ruby

Ruby

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

4Lessons ·
- 23: Working with JSON and YAML in Ruby
  
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Section 11: Data Structures and Algorithms in Ruby

4Lessons ·
- 42: Big-O Notation with Ruby Examples
  
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Section 27: Ruby Performance

4Lessons ·
- 111: Profiling Ruby Code with ruby-prof
  
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Section 28: More Practice Exercises

4Lessons ·
Section 32: Rails Testing Deep Dive

4Lessons ·
- 132: System Tests with Capybara
  
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Section 47: Ruby Hanami Framework Overview

3Lessons ·
- 196: Building a Simple App with Hanami
  
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Section 49: Ruby Data Processing

5Lessons ·
- 203: Batch Processing with find_each in Rails
  
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- 206: Parallel Processing with the parallel Gem
  
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Section 53: Ruby Admin Panels

4Lessons ·
- 219: Building an Admin Panel with Avo
  
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Section 57: Ruby Security Deep Dive

5Lessons ·
- 239: Secrets Management with Rails Credentials
  
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