Ruby

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Last Update	09/18/2026
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Section 7: Ruby Frameworks Overview

3Lessons ·
- 26: Overview of Rails vs Sinatra
  
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Section 8: Ecosystem and Testing

3Lessons ·
- 30: Writing Tests with RSpec
  
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- 31: Introduction to Rake Tasks
  
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Section 21: Ruby on Rails Deep Dive

8Lessons ·
- 85: Action Controller Filters
  
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- 86: Rails Migrations In Depth
  
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Section 30: Rails API Development

4Lessons ·
- 123: Building a JSON API with Rails
  
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- 125: Rails Serializers (ActiveModel::Serializer)
  
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Section 31: Rails Authentication and Authorization

4Lessons ·
- 129: JWT Authentication in Rails APIs
  
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Section 32: Rails Testing Deep Dive

4Lessons ·
- 131: Request Specs in RSpec
  
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Section 33: Rails Performance

4Lessons ·
- 135: N+1 Query Detection with Bullet
  
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- 137: Database Indexing for Rails Apps
  
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Section 34: Rails Deployment

4Lessons ·
- 139: Deploying Rails with Kamal
  
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Section 35: Sinatra and Lightweight Ruby Web Apps

3Lessons ·
- 145: Choosing Between Rails, Sinatra, and Hanami
  
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Section 39: More Practical Projects

5Lessons ·
- 161: Building a Blog Engine with Rails
  
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Section 41: More Practice and Review

4Lessons ·
Section 43: Ruby Interview Deep Dive

4Lessons ·
Section 44: Ruby Background Processing Deep Dive

4Lessons ·
- 184: Resque as an Alternative to Sidekiq
  
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Section 45: Ruby GraphQL

3Lessons ·
- 187: Building a GraphQL API with graphql-ruby
  
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Section 47: Ruby Hanami Framework Overview

3Lessons ·
- 197: Comparing Hanami to Rails
  
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Section 51: Ruby File Upload and Media

4Lessons ·
- 210: Active Storage for File Uploads
  
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Section 55: Ruby Monitoring and Observability

5Lessons ·
- 229: Health Check Endpoints in Rails
  
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Section 57: Ruby Security Deep Dive

5Lessons ·
- 236: Strong Parameters and Mass Assignment Protection
  
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- 237: SQL Injection Prevention in ActiveRecord
  
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Section 58: More Advanced Metaprogramming

5Lessons ·
- 242: Class Macros Like has_many Explained
  
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