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The Tech Gazette

Learn: RAG and search

Vol. I No. 26 Saturday, October 17, 2026 Closing 12:53 PM UTC · next edition 10:00 AM UTC

Retrieval, embeddings and vector search.

5 steps to the basics

Start here

  1. What is retrieval-augmented generation?Pinecone · Why a model answers better with your documents at hand.
  2. EmbeddingsOpenAI · Turning text into vectors you can search by meaning.
  3. Sentence TransformersHugging Face · Open models for embeddings, and how to use them.
  4. Contextual retrievalAnthropic · Why retrieval misses, and a way to fix much of it.
  5. Advanced RAGHugging Face · A full pipeline, with the choices that matter.

New for beginners

  1. PostHogOct 7, 2026
    WTF is context engineering? (with real examples)

Go deeper

  1. AWS Machine LearningOct 14, 2026
    Generate presentations with Amazon Bedrock AgentCore
  2. Zalando EngineeringOct 11, 2026
    Automating Data Ingestion with a RAG Flywheel
  3. LanceDBOct 10, 2026
    Case Study: How CodeRabbit Leverages LanceDB for AI-Powered Code Reviews
  4. CohereOct 9, 2026
    Shared vs. Dedicated AI Inference: Embed & Rerank
  5. AWS Machine LearningOct 9, 2026
    ICYMI: What landed for AI builders in September 2026
  6. QdrantOct 9, 2026
    Semantic Caching for RAG
  7. AWS Machine LearningOct 7, 2026
    Rethinking access control for RAG with Amazon Quick and Amazon Bedrock
  8. AWS Machine LearningOct 6, 2026
    Build a voice travel concierge with Amazon Bedrock AgentCore, Managed Knowledge Base and Nova Sonic
  9. Akamai Cloud (Linode)Oct 6, 2026
    Vector Search Can’t Tell “Yes” From “No”
  10. Google for DevelopersOct 6, 2026
    EmbeddingGemma 2: The Developer Guide
  11. AWS Machine LearningOct 5, 2026
    Making Amazon Quick enterprise-ready: Automated, auditable cross-account resource promotion
  12. AWS Machine LearningOct 5, 2026
    Agentic retrieval with LangChain and Amazon Bedrock Knowledge Bases
  13. SpringOct 2, 2026
    Spring AI Modular RAG and TypeSafe Jev: Retrieve More, Keep Only What Answers
  14. Neo4jSep 30, 2026
    What is contextual retrieval? How AI agents find the right context
  15. AWS Machine LearningSep 30, 2026
    Query claims in natural language with Amazon Bedrock Knowledge Bases
  16. NeonSep 30, 2026
    Lakebase Search: the retrieval primitive for agents on Neon
  17. PingCAP (TiDB)Sep 30, 2026
    Vector and Full-Text Search Explained: Why AI Agents Need Both
  18. Elasticsearch LabsSep 30, 2026
    Using Jev as a search reranker: benchmarks and how to implement
  19. AWS Machine LearningSep 29, 2026
    Building an AI-powered contract intelligence platform with Amazon Quick and Amazon Bedrock AgentCore
  20. LanceDBSep 26, 2026
    How Jev Compares to Other Rerankers for LanceDB Search
  21. PineconeSep 25, 2026
    How to add hybrid search to a Postgres app with Pinecone in 2026
  22. AMD ROCmSep 25, 2026
    Model Weight Profiles: Where Do the Parameters Go?
  23. dbt LabsSep 24, 2026
    Context engineering is already possible in your warehouse. Here's how to get started.
  24. ElasticSep 24, 2026
    Trust, but verify: Atomic claim checking against LLM hallucinations
  25. WeaviateSep 22, 2026
    Agent Memory with Engram: A Practical Guide
  26. PlanetScaleSep 22, 2026
    Anatomy of a (Postgres) search engine
  27. AWS Machine LearningSep 18, 2026
    Migrating multi-model AI agents to Amazon Bedrock AgentCore runtime
  28. Weights & BiasesSep 14, 2026
    RAG pipeline tutorial: Common pitfalls (and how to fix them)

Advanced

  1. UnityOct 8, 2026
    Echo Weaver: Building a time-loop metroidbrainia in Unity 6
  2. DigitalOcean TutorialsOct 7, 2026
    Why does cosine similarity fail for semantic caching? Testing cosine, LLM prompts, and a purpose-built verifier: Jev
  3. PyTorchOct 6, 2026
    Modernizing Table Batched Embeddings with FBTriton
  4. ThoughtworksOct 6, 2026
    How Jev can help improve the efficiency of RAG pipelines
  5. DatabricksOct 5, 2026
    NEAREST BY Join: Scaling Vector Search in Databricks Runtime
  6. LanceDBOct 1, 2026
    How Jev Compares to Other Rerankers
  7. turbopufferSep 29, 2026
    Why moving embedding inside turbopuffer drops search latency
  8. PerconaSep 28, 2026
    When pt-online-schema-change “where” Meets Galera: Understanding Chunk Auto-Resize and Flow Control
  9. New RelicSep 22, 2026
    How to Build an SRE Agent That Actually Works (Without Blowing the Token Budget)
  10. JetBrains AISep 17, 2026
    Building a RAG Pipeline for Semantic Code Search: A Developer Diary and Field Notes
  11. Pinterest EngineeringSep 11, 2026
    Evolving Pinterest’s Embedding Retrieval Platform

Words to know

New research

More in Search and retrieval →