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#rag

Retrieval augmented generation, or RAG, is an architectural approach that can improve the efficacy of large language model (LLM) applications by leveraging custom data.

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The LLM Is Not the Hard Part of RAG

The LLM Is Not the Hard Part of RAG

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10 min read
The 'Just Use Postgres' Vector Cliff: Where pgvector HNSW Breaks at 50M Rows

The 'Just Use Postgres' Vector Cliff: Where pgvector HNSW Breaks at 50M Rows

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5 min read
Your AI Demo Works. Production Won't. A Free 11-Part Course on AI System Design

Your AI Demo Works. Production Won't. A Free 11-Part Course on AI System Design

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5 min read
Finding the Bugs I Built an AI Agent to Prevent: Building Deterministic Guardrails with LangGraph & Python

Finding the Bugs I Built an AI Agent to Prevent: Building Deterministic Guardrails with LangGraph & Python

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3 min read
Counting OpenAI Tokens per Request in FastAPI — Without Touching My Use Cases

Counting OpenAI Tokens per Request in FastAPI — Without Touching My Use Cases

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6 min read
The Failure My Quality Metrics Couldn't See: Testing the Router in Vicquant

The Failure My Quality Metrics Couldn't See: Testing the Router in Vicquant

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4 min read
Your MCP Server Returns the Source. Does the Answer Still Cite It?

Your MCP Server Returns the Source. Does the Answer Still Cite It?

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8 min read
Enterprise RAG Has a Blindspot Nobody Measures: We Fixed It with a Temporal Claim Graph on FalkorDB

Enterprise RAG Has a Blindspot Nobody Measures: We Fixed It with a Temporal Claim Graph on FalkorDB

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5 min read
Recruiting Candidate Search Retrieval: Source Deduplication and Traceable Context

Recruiting Candidate Search Retrieval: Source Deduplication and Traceable Context

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7 min read
Postgres Retrieval for Healthcare Appointment Recovery (Across 3 Retention Windows)

Postgres Retrieval for Healthcare Appointment Recovery (Across 3 Retention Windows)

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6 min read
How to Build Legal Contract Retrieval in Python (with Tenant Isolation)

How to Build Legal Contract Retrieval in Python (with Tenant Isolation)

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7 min read
Build HNSW in TypeScript and Watch Recall Fall as You Lower efSearch

Build HNSW in TypeScript and Watch Recall Fall as You Lower efSearch

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10 min read
7 'Implantes RAG' INVISIBLES en ChatGPT: Datos que NO ves

7 'Implantes RAG' INVISIBLES en ChatGPT: Datos que NO ves

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7 min read
Build a RAG knowledge base from Substack newsletters (clean Markdown, no paywall tricks)

Build a RAG knowledge base from Substack newsletters (clean Markdown, no paywall tricks)

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2 min read
Building a RAG assistant that says “I don’t know”: evaluation, security and a $0 deployment

Building a RAG assistant that says “I don’t know”: evaluation, security and a $0 deployment

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6 min read
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