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🔍 Bugs killing your productivity? Stop guessing and start testing like a pro with RSpec & Capybara. Plus, learn how to craft scalable JSON APIs for mobile and web.
✔ Test-Driven Development (TDD) made simple
✔ Secure API authentication (JWT, OAuth)
✔ Real-world API design patterns
Price effective as of Apr 22, 2025 18:36:17 UTC
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