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Lessons (17)

• Prompting and Structured Outputs

  … Change one part of the prompt at a time and compare results against a rubric. Keep prompts versioned …

• AI Evaluation, Safety, and Security

  Build representative tests, measure retrieval and model quality, defend against prompt injection, and handle sensitive data responsibly. The …

• What to Learn in AI, and in What Order

  … 5. Generative AI: Learn tokens, transformers, context windows, prompting, structured outputs, embeddings, retrieval-augmented generation (RAG), and tool …

• Putting AI Systems into Production

  … or per-workflow budgets. Versioning and monitoring Version prompts, model identifiers, retrieval configuration, source data, and evaluation sets …

• Embeddings, Semantic Search, and RAG

  … Documents can contain prompt injection or stale claims. Enforce document permissions before retrieval, keep citations traceable, and avoid …

• System Design Interview Framework

  A seven-step path from an ambiguous prompt to a clear, trade-off-aware architecture discussion. The problem …

• Developer Learning Plan and Document-Assistant Capstone

  … Enforce access permissions before retrieval and again when loading sources; a prompt is not an access-control mechanism …

• Transformers and Large Language Models

  … Retrieval instead supplies relevant external information in the prompt at inference time. These approaches solve different problems. Generation …

• State, Remote Backends, and Locking

  … terraform state list terraform plan Review the migration prompts. The post-migration plan should not unexpectedly recreate infrastructure …

• CI/CD and Reviewed Production Changes

  … Applying it does not prompt for approval, so the CI environment approval is the actual gate. Store the …

• Storage, Search and Location Queries

  … Deleted listings must stop appearing promptly. What must be true Use suitable read systems while preserving one authoritative …

• Design a URL Shortener

  … One link goes viral at 10,000 redirects/s, while the security team must disable malicious destinations promptly …

• What Is Artificial Intelligence? A Developer's Guide

  … Updating an application's prompt is not the same as training the model. text Training: past orders + actual …

• AI Specialties and Real-World Examples

  … robot Environments, rewards, exploration, policy evaluation Generative systems Prompt or context → new content Draft an explanation or product …

• The L6 System-Design Thinking Loop

  … consistency is fine.” Walk through a complete example Prompt: “Design checkout for a ticket sale.” Start with a …

• The Hot SKU Alert Problem

  … is shown? --- Concepts and implementation details The interview prompt A popular SKU drops from ₹5,000 to ₹3 …

• Collaborative Document Editing & Real-Time Sync

  … documents, sequencer failover, long offline merges) without being prompted, and talk about operating the system, not just the …