Browse by series
184 tutorials in 11 series. Pick the track you want — each series reads in order, and every tutorial also stands alone.
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How It Actually Works: Real Systems as State Machines
19 tutorials
Real backend systems as state machines: Spring Boot, Tomcat, NGINX, WebSocket, Spring AI, Spring Security, Microsoft Entra ID, AKS secrets and Redis caching. Each deep dive has a short terminology primer with memory pegs, and every claim is checked against the official docs.
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Azure Networking, Packet by Packet: NSGs, Route Tables, ASGs and Azure Firewall
8 tutorials
Azure networking one packet at a time: NSGs, route tables and NVAs, subnet vs NIC NSGs, application security groups, Azure Firewall rule processing, hybrid connectivity with VPN and ExpressRoute, and custom domains with DNS records and HTTPS, traced rule by rule and route by route, and checked against Microsoft Learn.
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Claude Certified Architect (CCA) Prep
53 tutorials
Prep for the Claude Certified Architect exam — the architect’s map, the core concepts, and 50 worked practice questions across all five exam domains.
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Claude Features Explained: Projects, Skills, Artifacts, Connectors & MCP
1 tutorials
Which Claude feature should you actually use? Projects, Skills, Artifacts, Connectors and MCP explained with diagrams, Pause & Prove questions, and every claim checked against Anthropic’s docs.
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Spring AI for Enterprise Java
12 tutorials
Build production AI in enterprise Java with Spring AI 2.0 — ChatClient, model portability, structured output, RAG, tool calling, MCP, observability, evaluation, and security.
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How Claude Actually Works
32 tutorials
The full course on how Claude actually works — tokens, context windows, tools, the agent loop, and everything under the chat box.
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Securing AI: How AI Gets Attacked — and Defended
35 tutorials
How AI systems get attacked and defended — prompt injection, data poisoning, agent security, and the OWASP / MITRE ATLAS / NIST frameworks that govern them.
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AI Agent Internals: How Coding Agents Really Work
6 tutorials
What is really happening inside an AI agent — the loop, the memory, the failure modes.
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Agents at Scale: The 2026 Frontier
6 tutorials
What breaks when you run AI agents at scale, and the patterns that hold up.
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The Hidden Cost of AI Coding
7 tutorials
The real cost of AI-assisted coding — tokens, spend, review load, and the maintenance bill.
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The Engine Behind Every AI Code Editor
5 tutorials
The engine behind every AI code editor — how VS Code and its AI forks actually work.