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Hidden Performance Trap in Rails: Avoid nil in .where(id: [...])
⚠️ Why Including nil in .where(id: [...]) Can Severely Impact PostgreSQL Performance
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How to Add RuboCop Checking for Your Ruby Project in GitLab CI
How to Add RuboCop Checking for Your Ruby Project in GitLab CI
RuboCop is a Ruby static code analyzer and formatter that helps maintain consistent code style and catch potential issues. Integrating it into your GitLab CI pipeline ensures that all code changes meet your project’s quality standards before merging.
What is RuboCop?
RuboCop is a Ruby gem that:
- Enforces Ruby style guide conventions
- Detects potential bugs and code smells
- Provides automatic code formatting
- Integrates with popular editors and CI systems
- Supports custom rules and configurations
Prerequisites
Before setting up RuboCop in GitLab CI, ensure you have: