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Context Engineering

Tokenization & Embeddings3

Attention & the Context Window4

Prompt & Context Construction4

Retrieval-Augmented Context5

What is RAG, and why does it exist?
Chunking strategies for retrieval
Vector search at scale, ANN, and how HNSW actually works
Reranking and hybrid search
Hands-on: building a complete mini-RAG pipeline in C++

Memory & Long Context4

Advanced Context Engineering7

Evaluation & Scoring6

Context Designing7

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Context Engineering

Tokenization & Embeddings3

Attention & the Context Window4

Prompt & Context Construction4

Retrieval-Augmented Context5

What is RAG, and why does it exist?
Chunking strategies for retrieval
Vector search at scale, ANN, and how HNSW actually works
Reranking and hybrid search
Hands-on: building a complete mini-RAG pipeline in C++

Memory & Long Context4

Advanced Context Engineering7

Evaluation & Scoring6

Context Designing7

Learn Context Engineering Retrieval-Augmented Context

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Vector search at scale, ANN, and how HNSW actually works

Why comparing your query against every stored vector doesn't scale, and the clever shortcut approximate nearest neighbor search uses instead.

9 min readUpdated 2026-09-03context-engineeringragvector-searchhnsw