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⚡ AI Lessons

Dev.to · Technical Turtle
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
The Postgres migration that locks your table at 3am, and how to catch it in review
-- looks fine in review, locks your busiest table in prod: ALTER TABLE users ALTER COLUMN email SET...

Dev.to · Technical Turtle
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Catch the dangerous Postgres migration at the CI step
-- looks routine in review, locks your table in production: CREATE INDEX idx_orders_customer ON...

Dev.to · Technical Turtle
💻 AI-Assisted Coding
⚡ AI Lesson
1mo ago
Claude Code hides your context % and usage limits. Here's how to see them.
before: ~/code/myapp main after: ctx 48% | 5h 14% ~1h20m | 7d 21% ~5d10h | opus-4.8 ...
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