Learning — Mayank Chugh

Virtual environments mapped to Maven/Gradle for Java developers on Windows — setup, IDE wiring, troubleshooting, and a reproducible project walkthrough.

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Python

Pydantic & Agents

Interactive follow-on from Python basics covering Pydantic models and building simple agents.

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Python

Mastering Pydantic

Interactive reference for models, validation, settings, and LLM structured outputs.

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Topic 02

RAG & Retrieval

Indexing, retrieval, hybrid search, and advanced RAG patterns from architecture to production decisions.

Architecture

RAG

RAG Architecture

Interactive guide to offline indexing and online query pipelines — loaders, chunking, embedding, retrieval, and generation with a step-by-step walkthrough.

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RAG

Vector Store vs Vector Database

Interactive guide comparing FAISS-style stores with production vector databases — scale, cost, filtering, and a decision checklist with search simulator.

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Retrieval techniques

RAG

Retriever Analogy Handbook

26 retrieval concepts taught one analogy at a time — mapping tables, LangChain snippets, and where each metaphor breaks — plus a one-page cheat sheet.

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RAG

RRF vs Reranker Pipeline

Interactive walkthrough of hybrid retrieval: BM25 + dense → Reciprocal Rank Fusion → cross-encoder rerank → LLM — and why you need both steps.

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Advanced RAG

RAG

CRAG Decision Guide

Interactive explainer for Corrective RAG: when to add a retrieval quality gate, architecture flow, use cases, and scenario practice.

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RAG

Agentic RAG with LangGraph

Step-by-step guide: decide, retrieve, grade, rewrite, and generate — with architecture, notebook walkthrough, and live demo paths.

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System design

System Design

AI/ML Systems — RAG & Agents (Part 2)

Comprehensive study guide: RAG pipeline decisions, retrieval and full-RAG evaluation, agents and tools, access control, and real-world interview scenarios with interactive widgets.

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Topic 03

Agents & Frameworks

Agent workflows, courses, and LangChain ecosystem notes for building agentic systems.

Courses

Course

AI Pioneers — GenAI & RAG Engineering

Practitioner-led 8-week programme: Python, prompt engineering, LangChain, RAG pipelines, agents, and a deployed capstone app.

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Agent patterns

Architecture

AI Agent Architectures

17 agent workflow patterns — ReAct, reflection, multi-agent, blackboard, and more with search and live flow demos.

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Agents

Agents, With Just Python

Build AI agents from scratch in plain Python — tools, loops, and structured outputs without a framework.

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LangChain

LangChain Ecosystem — Part 1

Student notes mapping LangGraph, LangChain, Deep Agents, and LangSmith — agents vs harnesses, the v1.0 timeline, and a quick self-check.

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LangChain

LangChain Document Model

Interactive explainer for Document, page_content, metadata, loaders, splitters, and transformers across the RAG ingestion pipeline.

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LangChain

LangChain Fundamentals

GreenPlate self-study: 24 conceptual questions and 10 coding exercises in browse, flashcard, quiz, and code-reading modes.

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LangChain

NovaBank · Assignment 2 Solutions

Interactive answer key for create_agent, checkpointers, HITL, PII, and stacked prebuilt middleware — with no-API practice sims.

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Topic 04

System Architecture

Interactive architecture pattern guides — agents hub, failures, events, async APIs, and containers.

Hub

Architecture

Architecture Pattern Guides

Hub for animated ByteByteGo-style guides — AI agents, failure modes, events, async APIs, containers, and CRAG.

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Patterns

Architecture

Distributed Failure Modes

Partitions, split-brain, partial failures, gray failures, amplification, and cascade demos for resilient system design.

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Architecture

Event-Driven Patterns

Competing consumers, projections, event sourcing, outbox, and saga orchestration with animated message flows.

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Architecture

Async API Patterns

Short/long polling, SSE, webhooks, WebSockets, and async job APIs with step-by-step sequence playback.

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Architecture

Container Design Patterns

Sidecar, adapter, ambassador, leader election, work queue, and scatter/gather with interactive pod diagrams.

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Topic 05

Enterprise Migration

Cloud and BI modernisation guides — Cathay Cargo Terminal, Dynamics 365, SSAS to Fabric, plus M&A / PMI IT governance.

Cloud / CCT

Cloud Architecture

CCT Migration Guide

WebLogic 12.x → JBoss EAP 8, Oracle → Aurora PostgreSQL, on-prem → AWS — cargo terminal apps, SITA/ACCS integrations, and Entra ID SSO.

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Cloud Architecture

CCT Migration Guide v2

Expanded programme reference — CI/CD, observability, RACI, security, EKS, and detailed cutover runbooks for the Cathay Cargo Terminal AWS modernisation.

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M&A / IT Governance

IT Governance

M&A PMI — Cargo Analogies

Eight visual modules for merger IT work — TSA, retain/replace/decommission, COBIT, ITIL, and AI governance — framed as merging two cargo terminals.

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Data & BI

Data Engineering

D365 Migration Guide

From legacy SSIS/SSAS/SSRS to Azure — ADF, Fabric, Qlik CDC, Dataverse, and enterprise BI notes for HK & India deployments.

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BI Modernisation

SSAS → Fabric Migration Proposal

Two-phase path from SQL Server 2016 SSAS Multidimensional (MDX) to Microsoft Fabric Semantic Models — phased delivery, MDX→DAX translation, and zero-disruption cutover.

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Migration Planning

SSAS Migration Costing

Interactive cost model with rate card, labour breakdown, AI leverage calculator, three budget scenarios, Gantt schedule, and resourcing notes for a 9-month programme.

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Topic 06

Interview & Career

Interview drills and curated job-search resources for AI and integration architecture roles.

Prep & search

Career

SSBI + Fabric Interview Drill

95 practiced answers — SSBI enablement plus Fabric, KQL/T-SQL, JSON→Bronze ingestion, Purview, Snowflake, Spark, Parquet, and DE debugging — with search and progress tracking.

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Career

Sales SSBI Architecture

Azure Portal SQL, local Excel load, Fabric Bronze→Gold, Direct Lake measures, and the local ↔ Fabric dual track — with mermaid diagrams.

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Career

Microsoft Fabric Study Guide

Interactive self-study: 11 modules, a cheat sheet, and flashcards with local progress tracking.

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Career

Azure Integration Architect Interview

AIS prep — 28 Q&As, honest briefing, concept analogies, headless/async patterns, and enterprise architecture diagrams with audio practice.

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Career

AI Engineer Job Portals

Curated AI and ML hiring portals with practical focus for active job search.

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Topic 07

Tooling & Claude

Practical Claude tooling — Claude Code, the Learn Claude course, and a 7-part interactive series.

Claude

Tooling

Claude Code Tutorial

Beginner-friendly walkthrough for using Claude Code effectively in real projects.

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Claude

Learn Claude — Full Course

15-module path from Claude fundamentals to agentic workflows, MCP, skills, hooks, and capstone project.

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Series

Claude & AI, Explained

Seven interactive guides: APIs, economics, MCP, RAG, multi-agent systems, open-source models, and production readiness.

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