Ruby
State Machines in Ruby: An Introduction
Let's build a simple state machine in Ruby and use the state machines gem.
Ruby
Add Feature Flags in Ruby on Rails with Flipper
Find out how feature flags function in principle and get started with feature flags using the Flipper gem.
Ruby
An Introduction to Polymorphism in Ruby on Rails
Learn how you can implement polymorphism in your Rails application for cleaner code.
Ruby
Using Scientist to Refactor Critical Ruby on Rails Code
Migrate, refactor, and change critical Ruby production code with confidence using the Scientist gem.
Ruby
Bootstrapping with Ruby on Rails Generators and Templates
Let's explore the basics of Rails generators and templates, then examine how to customize your Rails app with templates.
Ruby
5 Tips to Design Ruby on Rails Transactions the Right Way
Check out these 5 tips to ensure your transactions are readable and well-designed in your Ruby on Rails app.
Ruby
The Perils of Parallel Testing in Ruby on Rails
Parallel tests can help speed up your tests in Rails, but be aware of the possible pitfalls.
Ruby
Import Maps Under the Hood in Rails 7
Learn how to install JavaScript libraries with import maps and how import maps work under the hood in Rails 7.
Ruby
Delayed Job vs. Sidekiq: Which Is Better?
Let's take a look at the pros and cons of Delayed Job and Sidekiq, two major job processing systems for Rails apps.
Ruby
How to Keep Database Table Sizes Down and Prevent Data Bloat
Watch out for data hoarding, which can cause database bloat. Here's how to keep your database table sizes down.
Ruby
Test and Optimize Your Ruby on Rails Database Performance
Explore three common ways to discover and test database performance problems in Rails, and seven ways to optimize performance.
Ruby
Next Level Ruby on Rails Application Monitoring with AppSignal
Let's run through adding custom instrumentation and monitoring to a Ruby on Rails application.
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- Three Ways To Avoid Duplicate Sidekiq Jobs
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- Rails Concerns: To Concern Or Not To Concern
- Introduction to Ruby on Rails Patterns and Anti-patterns
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- Dissecting Rails Migrations
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- Changing the Approach to Debugging in Ruby with TracePoint
- Facade Pattern in Rails for Performance and Maintainability
- Building a Rails App With Multiple Subdomains
- Getting Started With System Tests in Rails With Minitest
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- Configurable Ruby Modules: The Module Builder Pattern
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- Ruby's Hidden Gems -Delegator and Forwardable
- Kafka and Ruby, a Sidekiq Lovestory
- Learning by building, a Background Processing System in Ruby
- Object Marshalling in Ruby
- Ruby's Hidden Gems, StringScanner
- Diving into Ruby's #dup and #clone
- Unraveling Classes, Instances and Metaclasses in Ruby
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- Generating Random Numbers in Ruby
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- Rails' built-in cache stores: an overview
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- Exceptions in Ruby
- Benchmarking Ruby Code
- Inspecting data in Ruby
- Syntactic sugar methods in Ruby
- Debugging exceptions in Rails
- Reading and understanding Ruby stack traces
- Track cache hits with custom metrics
- A look at how Ruby interprets your code
- Concurrency Deep Dive: Event loops
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- Building a 30 line HTTP server in Ruby
- Rescuing Exceptions in Ruby: A Primer
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- Mastering Concurrency
- How to use custom metrics
- Automated screenshots using Capybara and Selenium
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