LangChain Proficiency: Advanced Prompting, RAG with Vector Databases, and Codebase Navigation
Master LangChain for building sophisticated GenAI applications: from advanced prompting and RAG to codebase navigation and customization.
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Fundamentals of LangChain and LLMs for Application Development
Unit 1: LangChain Core Concepts
LangChain: The Big Picture
LangChain's Key Modules
LangChain Data Connections
Unit 2: LLM Fundamentals for Engineers
LLM Capabilities
LLM Limitations
Responsible AI Practices
LLM Evaluation Metrics
Unit 3: Setting Up Your LangChain Environment
Installing LangChain
API Keys & Setup
Choosing a Vector DB
Connecting to Vector DB
Unit 4: Advanced Setup and Tooling
Virtual Environments
Jupyter Notebooks
Debugging LangChain
Advanced Prompting Techniques with LangChain
Unit 1: Chain of Thought (CoT) Prompting in LangChain
CoT Prompting: Overview
CoT: Zero-Shot Prompting
CoT: Few-Shot Prompting
CoT: Prompt Engineering Tips
CoT: LangChain Integration
Unit 2: ReAct Framework with LangChain
ReAct: Framework Overview
ReAct: Implementing Reasoning
ReAct: Implementing Acting
ReAct: Observation Handling
ReAct: LangChain Agents
Unit 3: Few-Shot Prompting Strategies
Few-Shot: Strategy Overview
Few-Shot: Example Selection
Few-Shot: Prompt Formatting
Few-Shot: Chaining Examples
Few-Shot: Edge Cases
Building LangChain Applications: Chains, Agents, and Memory
Unit 1: LangChain Chains: Sequential Data Processing
Intro to LangChain Chains
Simple Sequential Chains
Chain Input and Output
Using the Transform Chain
Sequential Chain Best Practices
Unit 2: LangChain Agents: Intelligent Interaction
Intro to LangChain Agents
Tools for LangChain Agents
Building Your First Agent
Agent Planning and Execution
Advanced Agent Techniques
Unit 3: LangChain Memory: Maintaining Context
Intro to LangChain Memory
ConversationBufferMemory
ConversationChain
ConversationSummaryMemory
Document Handling and Output Parsing in LangChain
Unit 1: Document Loaders in LangChain
Intro to Document Loaders
Loading Text Files
Loading PDFs
Loading Web Pages
Loading CSV Files
Unit 2: Text Splitting Techniques
Intro to Text Splitting
Character Text Splitter
Recursive Text Splitter
Token Text Splitter
Unit 3: Output Parsing Strategies
Intro to Output Parsing
Pydantic Output Parser
List Output Parser
Datetime Output Parser
Fixing Parsing Issues
Retrieval-Augmented Generation (RAG) with Vector Databases
Unit 1: Vector Databases and LangChain Integration
Intro to Vector DBs
Setting Up Pinecone
Setting Up FAISS
Vector DB Abstraction
Unit 2: Building RAG Applications with LangChain
RAG Pipeline Overview
Indexing Documents
Context Retrieval
Augmenting LLM Prompts
Generating Responses
Unit 3: Optimizing RAG Pipelines
Relevance Tuning
Context Compression
Prompt Engineering
Evaluation Metrics
Handling Failures
LangChain Codebase Navigation and Customization
Unit 1: Exploring the LangChain Core
LangChain's Architecture
Core Abstractions: LLMs
Core Abstractions: Chains
Core Abstractions: Agents
Navigating Callbacks
Unit 2: Customizing LangChain Components
Custom LLM Wrapper
Custom Chain Creation
Custom Tool Integration
Modifying Prompts
Custom Document Loader
Unit 3: Contributing to LangChain
Setting Up Dev Environment
Finding an Issue
Submitting a Bug Fix
Suggesting New Features