Durable deep dives for concepts worth keeping around. Search by topic, tag, or playlist, compare reading lengths, and jump between closely related systems.
A visual guide to tokenization, linguistic structure, statistical NLP, embeddings, RNNs, attention, Transformers, pretraining, RAG, evaluation and production NLP.
Long-form guides are the durable layer; quick explainers and decks sit around them.
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The blog stays focused on complete, reusable explanations. The separate Explainers shelf is where quick videos, experiments, decks, animations, and one-off ideas live.
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AI Systems, Demystified
A visual guide to tokenization, linguistic structure, statistical NLP, embeddings, RNNs, attention, Transformers, pretraining, RAG, evaluation and production NLP.
Web Mechanics
A step-by-step walkthrough of URL parsing, DNS, routing, TLS, HTTP, server-side processing, and browser rendering.
Web Mechanics
Understand recursive resolvers, authoritative servers, DNS records, TTLs, caching, and CDN traffic steering.
Web Mechanics
A practical comparison of HTTP protocol generations, multiplexing, TCP, QUIC, streams, and web performance.
Data Systems, Inside Out
Learn how database indexes reduce lookup work, why B-trees dominate common workloads, and how query planners use indexes.
Backend Systems in Motion
Understand cache-aside, invalidation, hot keys, stampedes, Redis data structures, and when a cache is unnecessary.
