Anuj Kumar Upadhyay

@Anuj1

Both Poverty and Richness are Offspring of Thoughts

Agra, Uttar Pradesh , IndiaJoined July 2024

About

I am a developer from India. I am passionate to contribute to the tech community through my writing. Currently i am in my Graduation in Computer Application.

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Anuj Kumar Upadhyay's blogs

Anuj Kumar Upadhyay's Blogsanuj1.hashnode.dev68 posts

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AKAnuj Kumar Upadhyayanuj1.hashnode.devSep 8, 2025 · 3 min read

Building a Conversational Retrieval Chain with LangChain

In my last article, I showed how to create a Retrieval Chain in LangChain — one that could answer single, independent questions based on external context. But here’s the catch: most real-world use cases don’t stop at a single query. Users want a chat...

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AKAnuj Kumar Upadhyayanuj1.hashnode.devAug 7, 2025 · 4 min read

Building a Retrieval-Based LLM with LangChain

In our previous article, we explored how LangChain can be used to build a simple LLM chain using a prompt template. This time, we’re diving deeper into a more powerful capability of LangChain — creating a Retrieval Chain, a pattern especially useful ...

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AKAnuj Kumar Upadhyayanuj1.hashnode.devJul 23, 2025 · 3 min read

Beginner's Guide for LangChain

LangChain is a Basically a Open Source Python Package to build applications powered by Large Language Models such as ChatGPT. To install LangChain, in the terminal, run: pip install langchain To use LangChain with OpenAI, you need to use the langcha...

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AKAnuj Kumar Upadhyayanuj1.hashnode.devJun 26, 2025 · 8 min read

gRPC: Why You Should Care in 2025

Think REST APIs are the final word in microservices communication? Think again. While you've been crafting JSON endpoints, Google's been cooking up something that makes traditional APIs look like smoke signals compared to fiber optic cables. The API ...

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AKAnuj Kumar Upadhyayanuj1.hashnode.devJun 26, 2025 · 7 min read

MVC vs MVP vs MVVM: The Ultimate Developer's Guide to Choosing the Right Architectural Pattern in 2025

Ever wondered why some codebases feel like navigating through a well-organized library while others resemble a chaotic yard? The secret lies in architectural patterns – and today, we're diving deep into the three titans that have shaped modern softwa...

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Anuj Kumar Upadhyay

About

Available for

Anuj Kumar Upadhyay's blogs

Recently published

Building a Conversational Retrieval Chain with LangChain

Building a Retrieval-Based LLM with LangChain

Beginner's Guide for LangChain

gRPC: Why You Should Care in 2025

MVC vs MVP vs MVVM: The Ultimate Developer's Guide to Choosing the Right Architectural Pattern in 2025

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Anuj Kumar Upadhyay

About

Available for

Anuj Kumar Upadhyay's blogs

Recently published

Building a Conversational Retrieval Chain with LangChain

Building a Retrieval-Based LLM with LangChain

Beginner's Guide for LangChain

gRPC: Why You Should Care in 2025

MVC vs MVP vs MVVM: The Ultimate Developer's Guide to Choosing the Right Architectural Pattern in 2025