Practical engineering writing and free developer tools.

You correct the agent, it apologizes, and ten minutes later it makes the same mistake. That is not a model problem; it is a memory problem. Here is how the context window works as a budget, what belongs in CLAUDE.md and AGENTS.md, and when to restart a session instead of patching it.

The agent one-shots your feature on Monday and quietly rewrites your auth module on Tuesday. Here is the workflow that keeps the speed without the wreckage: plan-first prompting, reviewable diffs, and verification the agent runs itself. With interactive tools to grade your own prompts.

Your fix is deployed but users still see the old version. A service worker is usually why. Here is how the three caching strategies behave, with interactive demos, the mistakes that ship to production, and how to monitor all of it.

Compare Sobel, Canny, and Laplacian edge detection with an interactive browser demo. Tune thresholds, upload images, and see how each algorithm finds boundaries.

Master the art of AI-assisted development with this comprehensive guide for Product Managers. Learn how to use vibe coding tools like Cursor, Bolt, and Lovable while maintaining clean Git workflows.

Build reliable n8n webhook callback workflows with idempotency keys, timeout-safe retries, race-condition protection, and dead letter queues for production job processing.