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KnightLi Blog

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65 pages

Technical Docs

rsync --delete Explained and Practical Directory Cleanup

How Git Tracks File Executable Permission (+x)

How to Create and Use Skills: SKILL.md Specification and Practical Principles

IEEE 802.3af/at/bt (PoE) Differences Explained

What Is Agent Skills: From Design Principles to Context Optimization

Common Misconceptions About WD HC620 SMR Drives and How to Use Them Correctly

How Non-Programmers Can Direct AI to Do the Work: Extracting Diagrams and Math Formulas from an Image (Hands-On Example)

How to Use Codex in VS Code (From Setup to Efficient Real-World Workflow)

LLM API Landscape (Free and Cost-Effective Options)

OpenWrt on JDCloud AX6600 Athena: Move the 2.5G Port to LAN and Swap WAN/LAN1