Learn RUBY with Real Code Examples
Updated Nov 17, 2025
Performance Notes
Use JRuby for JVM-based performance
Profile and optimize hotspots
Cache frequent computations
Leverage background jobs for intensive tasks
Security Notes
Sanitize user inputs
Use Rails strong parameters
Enable HTTPS and secure cookies
Keep gems updated
Monitoring Analytics
NewRelic or Datadog for monitoring
Lograge or Rails logging
Prometheus/Grafana integration
Exception tracking with Sentry
Code Quality
RuboCop for linting
RSpec for testing
SimpleCov for coverage
Refactor with SOLID principles