Next Friday I will be speaking at Tropical Rails 2025. Here are the references I used in my talk:

Reddit Topic

• What are the lesser-known rails features you’ve noticed in code reviews?

Rails Resources

Active Model

Context Validations

• Boring Rails - ActiveRecord Validation Context
• Rails Guides - Active Record Validations (on)

Active Record

Active Record Aggregations

• Martin Fowler - Value Object
• Rails Aggregations Source Code
• Money Rails
• Monetize
• Money

Association Callbacks

• Rails API - Active Record Associations

Batches

• Rails API - Active Record Batches

Optimistic Locking

• Rails API - Active Record Optimistic Locking

Pessimistic Locking

• Rails API - Active Record Pessimistic Locking
• PostgreSQL Explicit Locking

Normalize

• Rails API - Active Record Normalization

Query Methods

• Rails API - Active Record Query Methods
• Will Paginate - ActiveRecord Integration

Active Support

Instrumentation

• Rails API - Active Support Notifications
• Rails Guides - Active Support Instrumentation
• BigBinary - Rails 6 Reports Object Allocations
• Edge Rails Guides - Active Support Instrumentation

Inquirers

• Rails API - StringInquirer
• Rails API - ArrayInquirer

Inflections

• Rails API v8.0 - Inflector
• Rails API - Inflections

Routes

Draw

• Rails Guides - Breaking Up Large Route Files

Direct

• Rails Guides - Direct Routes