Overview
Overview
This is the main entry point for all technical notes. Content is organized into four major tracks — Software Development, System Administration, Networking, and Artificial Intelligence — plus standalone topics. Click any module to jump in, or use the top navigation bar, or press Ctrl K to search.
Software Development
Applications and services: programming languages, web frameworks, and engineering practice.
Syntax, web frameworks, scraping, and engineering practice
Concurrency, standard library, and high-performance services
Ownership, lifetimes, memory safety, and systems programming
Language features, popular frameworks, and web backends
Frontend engineering, HTTP protocol, and API design
System Administration
Systems and infrastructure: from single-machine Linux operations to container orchestration.
System services, Shell scripting, networking, and troubleshooting
Kubernetes, container orchestration, and observability
Networking
Protocols and security: how data flows across networks and how to guard every gateway.
TCP/IP, protocol analysis, routing, switching, and troubleshooting
Web security, offensive/defensive practice, and system hardening
Artificial Intelligence
From algorithmic foundations to large model applications.
Supervised learning, model evaluation, feature engineering, and classic algorithms
Neural networks, CNN/RNN, training, and optimization
Large language models, prompt engineering, and production deployment
Standalone Topics
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