Ruby 3.4 Frozen String Literals: What Rails Developers Actually Need to Know
Ruby 3.4 starts the transition to frozen string literals by default. Here's what changes, why you should care, and how to prepare your Rails app.
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Rails 8 adds comparable option to serialized attributes
Rails 8 introduces a `comparable` option for serialized attributes, preventing unnecessary database writes when serialized data representations change but the content remains the same.
Rails 8 adds ability to use multiple rate limits per controller
Rails 8 now allows defining multiple rate limits within a single controller using named configurations. Learn how to implement granular rate limiting strategies for different actions and time periods.
Ruby 3.4's Happy Eyeballs v2: Solving Rails API Timeout Hell
Ruby 3.4 introduces Happy Eyeballs v2, dramatically reducing connection delays for external API calls in Rails applications
Rails 8 introduces Parameters#expect for safer parameter handling
Rails 8 adds `Parameters#expect` to prevent parameter manipulation attacks and provide clearer error handling when required parameters are missing or malformed.
HTTP Caching for Rails APIs: The Missing Performance Layer
Most Rails APIs ignore HTTP caching entirely, missing out on massive performance gains. Learn practical caching strategies that can reduce server load by 90%.
Why your Rails performance fixes don't work (and how to find ones that do)
Stop wasting time optimizing code that doesn't matter. Learn how to use the Pareto Principle and profiling tools to find the 20% of your Rails code causing 80% of performance...
Scaling Rails with PostgreSQL Read Replicas: Part 3 - Production Excellence
Master production deployment strategies, monitoring, performance optimization, and failure handling for Rails applications using PostgreSQL read replicas.
Scaling Rails with PostgreSQL Read Replicas: Part 2 - Advanced Patterns and Gotchas
Deep dive into handling replication lag, implementing automatic connection switching, and solving real-world challenges with read replicas in Rails applications.
Scaling Rails with PostgreSQL Read Replicas: Part 1 - Understanding the Basics
Learn when and why to use read replicas in Rails applications, understand the architecture, and implement basic read/write splitting with real-world examples.