Claude Code Project Structure: Every File and Folder Explained

Most Claude Code projects start with a CLAUDE.md and nothing else. Here's the full structure that turns Claude from a coding assistant into an engineering partner.

Table of Contents

• Why Structure Matters
• The Complete Directory
• File-by-File Breakdown
• 1. CLAUDE.md …

LLM Fine-Tuning vs RAG: When to Use Which

A practical decision framework for teams building with LLMs — with real trade-offs, cost analysis, and when to combine both

Table of Contents

• The Core Question
• What Is RAG?
• What Is Fine-Tuning?
• Head-to-Head Comparison
• When to Choose RAG
• When to Choose Fine-Tuning
• When …

Prompt Engineering: Techniques That Actually Matter

A practical guide to getting reliable, high-quality outputs from LLMs — with real examples and patterns you can use today

Table of Contents

• Why Prompt Engineering Still Matters
• Core Techniques
• 1. Be Explicit About Format & Length
• 2. Role + Context Framing
• 3. Chain-of-Thought (CoT) Prompting
• 4 …

Claude's Hidden Power: Skills, Plugins, and the .md Files That Make It Extraordinary**

Most people use Claude like a search engine. The ones getting extraordinary results have figured out something different — and it starts with a plain text file.*

There is a version of Claude that writes generic emails and …

Vector Databases & Embeddings: The Engine Behind Modern AI Applications

How the technology powering semantic search, recommendation systems, and RAG is quietly reshaping software development

Table of Contents

• What Are Embeddings?
• What Is a Vector Database?
• Real-World Use Cases
• Semantic Search
• Retrieval-Augmented Generation (RAG)
• Recommendation Systems
• Anomaly Detection & Fraud Prevention
• Multimodal …

Building reliable AI agents isn't just about picking the right model — it's about the patterns you wire around it. Here's a concise reference of 15 agentic system design concepts worth knowing. Two lines each — just enough to understand what they do and why they matter.

Resilience & Failure Isolation

Agent Circuit …

Claude Code is not a chatbot. It lives in your terminal, reads your actual files, writes code, runs commands, and executes multi-step workflows — all with your permission. Here are 30 concepts you need to understand it properly. No fluff, no hand-holding.

The 30 Concepts

1. The Terminal — Claude Code doesn't …

The classic "Send to → Compressed (zipped) folder" option sometimes disappears from the Windows right-click context menu. Here's what causes it and how to get it back in under two minutes.

What Happened

Windows ships with a built-in ZIP shell extension handled by zipfldr.dll. When third-party tools like Git, VLC …

The AI agent ecosystem is growing fast. Here's a quick directory of notable AI startups and a couple of few-shot LLM models worth knowing about. Two lines each — just enough to know what they do and why they matter.

AI Agent Directory

Can of Soup — An AI-powered app that lets …

Why GenAI?

Generative AI has completely changed how I think about software, creativity, and problem-solving. Over the past year, I've gone deep into the world of large language models, prompt engineering, retrieval-augmented generation, fine-tuning, and AI agents. The pace of change is incredible, and I wanted a place to document …