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Iiniyarajaniniyarajanhashnodedev.hashnode.dev

LangChain Tutorial for Beginners: Build Your First AI Agent

37m ago · 8 min read · Last week, I was helping a junior developer implement their first chatbot for customer support. We were debating between building everything from scratch versus using a framework. "I just want something that can search our docs and give helpful answe...

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VNVictor Nogueiravmnog.hashnode.dev

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I built a production RAG system for doctors. 500 registered. 20 came back. Here's what I'd do differently.

1d ago · 8 min read · Between 2024 and 2025 I co-founded DocHelp, a RAG-powered medical AI assistant for Brazilian doctors. We shipped it. The technical RAG layer worked. The product did not stick. This post is the honest

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SPShashank Patgaonkardevshashank.hashnode.dev

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Why I Started Learning LangChain as a Full Stack Developer

1d ago · 5 min read · By Shashank | April 2026 It Started With Curiosity I've been working as a Senior Developer for over 2.5 years — building backends in C#, frontends in Angular, and mobile apps in Flutter. The work has

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ACAashish Chapainblog.chapainaashish.com.np

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Embeddings in RAG: The Core of Semantic Search

1d ago · 6 min read · Retrieval-Augmented Generation (RAG) systems rely on the core idea of converting text into vectors so we can search by meaning instead of keywords. These vectors are called embeddings, and they are th

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PSParikshit Sharmaparikshitiiitb.hashnode.dev

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RAG Chunking Strategies: What Actually Works in Production (And What Quietly Destroys Retrieval Quality)

2d ago · 6 min read · Every RAG tutorial shows you fixed-size chunking in five lines of code. Nobody shows you what happens six months later when your retrieval quality has collapsed and you can't figure out why. This arti

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SSSandeep Salwansandeepsalwan.hashnode.dev

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Why your AI assistant lies to you (and how to fix it)

1d ago · 5 min read · Live web version: ai-accuracy.vercel.app Podcast and presentation: Google Drive folder You ask your AI assistant a simple history question about the 184th president of the United States. The model does not hesitate. It does not pause to consider tha...

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SBSayok Bosesayok.hashnode.dev

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What if an AI Read Your Confluence AND Your Codebase — Cross-Referenced Them — and You Could Just Ask It Stuff?

2d ago · 6 min read · What if an AI Read Your Confluence AND Your Codebase — Cross-Referenced Them — and You Could Just Ask It Stuff? We gave an AI our docs, our code, and our dignity. 28 files later, we're choosing to call it a win. TL;DR We pointed an LLM at our Conflue...

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PKPrithvi Kumarpruthu.hashnode.dev

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My WhatsApp AI Clone Went Rogue (And Started Speaking Chinese): A Lesson in Digital Twin Disasters

2d ago · 5 min read · As an engineer, my instinct is to automate absolutely everything. Naturally, that eventually extended to my own social life. I had this brilliant idea to build "Auto Twin" a personal AI proxy that wou

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PSParikshit Sharmaparikshitiiitb.hashnode.dev

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Production RAG System Design: Retrieval Quality, Hallucination, and Latency in LLMs

3d ago · 4 min read · Retrieval-Augmented Generation (RAG) systems are widely used to improve the accuracy of Large Language Models (LLMs) by grounding responses in external data. While most tutorials demonstrate simple im

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ASAnkush Sanyaltech-deep-dives.hashnode.dev

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Understanding RAG (Retrieval-Augmented Generation): How AI Looks Things Up Before Answering

3d ago · 24 min read · Table of Contents Introduction The Problem with Pure LLMs What Is RAG? How RAG Works: A Deep Dive Step 1: Document Ingestion and Chunking Step 2: Embedding Generation Step 3: Vector Storage St

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Trending tags this week

LangChain Tutorial for Beginners: Build Your First AI Agent

I built a production RAG system for doctors. 500 registered. 20 came back. Here's what I'd do differently.

Why I Started Learning LangChain as a Full Stack Developer

Embeddings in RAG: The Core of Semantic Search

RAG Chunking Strategies: What Actually Works in Production (And What Quietly Destroys Retrieval Quality)

Why your AI assistant lies to you (and how to fix it)

What if an AI Read Your Confluence AND Your Codebase — Cross-Referenced Them — and You Could Just Ask It Stuff?

My WhatsApp AI Clone Went Rogue (And Started Speaking Chinese): A Lesson in Digital Twin Disasters

Production RAG System Design: Retrieval Quality, Hallucination, and Latency in LLMs

Understanding RAG (Retrieval-Augmented Generation): How AI Looks Things Up Before Answering