Set-Based Updates in Rails: 4 Hours to 8 Seconds
Stop writing N+1 update loops. Learn how `update_all`, `update_columns`, and safe, batched SQL can drastically improve your Rails app's performance.
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Shipping Less JavaScript: A Guide to Bundle Splitting
Your app is only as fast as its JavaScript payload. This guide tackles bundle bloat from heavy SDKs and GraphQL clients, teaching practical patterns like dynamic imports and selective client loading to drastically cut down your JS size without hurting developer experience.
Read article →How I approach a slow SQL query
SQL query optimization requires diagnostic thinking rather than checklist application. Effective performance tuning involves distinguishing between design issues and scaling problems through EXPLAIN analysis, indexing evaluation, filtering optimization, and concurrency assessment.
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