java c coffee music algorithm architecture backup bass beans c memory c/c++ cert coffee machine config cors curl dcl ddl deploy design distinguish dml double-entry bookkeeping ethiopia fender flask frontend gaggiuino grinder health init ivan han js macos mqtt mysql8.0 naming convention nginx opencv pearadmin piano ping pointer * principle python road bicycle ruoyi-vue-pro spring springboot sqlserver tcl view vue3 welcome windows

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Author's picture

Ivan Han

I need slow down

Software Engineer

China