Logger System Elements and Landscape
Mar 7, 2026
Core Elements Dimension Concepts Purpose Priority Metadata Timestamp, file, line, information Locate Where and when did it happen with what information? P1 Levels & Diagnostics Log levels, stack traces Filter How severe...
Feburary Collection
Feb 28, 2026
Sanya; Sun-Moon Island, Wanning; Stone Park and Baohujiao Cape, Fenchengtai Vista Point, Mulan Lighthouse, Wenchang; Yubao Memorial Square, Xiaodaoyoujing Vista Point, Chengmai; Danzhou; Haikou; via Hainan Coastal Scenic Highway.
3D Rotation Converter and Visualizer
Feb 21, 2026
Input Euler-ZYX | Space-RPY Rotation Matrix Quaternion Angle-Axis Euler-ZYX | Space-RPY The input matrix is polar-decomposed to obtain a proper rotation matrix in SO(3). w x y z The input quaternion is...
Calendar and Tasks
Feb 14, 2026
US hols CN hols Active Todo Done Saturday 21 Feb 2026 Day 52, Week 8 · Today 2026 < > Today SUN MON TUE WED THU FRI SAT Monthly Schedule None
Robotics Software Architecture Abstraction
Feb 7, 2026
Architecture Main Logger Stacktrace Helper Environment Manager Interrupt Signal Detector System Manager Dataset Middleware Agent Robot Interface Remote Controller Handle State Machine Manager State Machine State 1 | State 2 | ......