PRABHAT KASHYAP’S ENGINEERING NOTES
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Understand context-window limits, token budgets, prompt placement, and lost-in-the-middle. Learn how to select evidence and build reliable conversational state.
Choose Kafka or RabbitMQ by retention, replay, routing, ordering, retries, and delivery semantics. Includes Share Groups, Streams, and failure diagrams.
A beginner-friendly guide to next-token generation, with worked probability examples, clear diagrams, and deeper lessons on sampling, correctness, and reproducibility.
A plain-English guide to how text becomes numbers, why similar vectors help search, and where matches can go wrong, with...
SQL/PGQ was withdrawn from PostgreSQL 19 during beta. This historical walkthrough explains the preview design and its limits without presenting...
GitHub Copilot workflows for backend engineers, from instruction files and the CLI to skills, agents, MCP, and permission boundaries.
Open source
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Practical tools and libraries, with the source open to explore.
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Mockery
A mock REST server with YAML configuration, request matching, and a built-in browser editor. Run it from a single downloaded binary.
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Prabhat Kashyap
Senior Technical ArchitectI build and explain backend systems, from Scala and JVM internals to distributed systems and practical AI engineering.
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