Database Indexing in Ruby on Rails: When, Why, and How
Published: 10 September 2026 | Updated: 10 September 2026 Key takeaway: Rails database indexing is often the highest-impact fix for slow queries once N+1 problems are solved. Index the queries you actually run: composite indexes for multi-column filters, partial indexes for the small slice of rows you query most, and algorithm: :concurrently for large production […]
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Implement Multi-Factor Authentication in Ruby on Rails with Devise Two-Factor
Security has become one of the most important concerns for modern web applications. As cyberattacks evolve, merely relying on passwords is no longer enough. Multi-Factor Authentication (MFA) adds an extra layer of protection, significantly improving your application’s security…
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