ORA-44412: Invalid ACL: Cyclic ACL inheritance is not allowed
文档解释ORA-44412:InvalidACL:CyclicACLinheritanceisnotallowedCause:AcyclewasformedbyACLinheritance.Action:ChecktheACLinheritanceandbreakthecyclebyremovingsomeACLinh...
组合优于继承 Composition over inheritance
https://stackoverflow.com/questions/49002/prefer-composition-over-inheritancePrefercompositionoverinheritanceasitismoremalleable/easytomodifylater,butdonotuseac...
Classical Inheritance in JavaScript
DouglasCrockford www.crockford.com 翻译：ThoughtScript 原文链接 http://javascript.crockford.com/inheritance.htmlAndyouthink...