OPAQUE主题的文章列表，还有OPAQUE的技术要点_第1页

ORA-22350: Incomplete opaque type cannot be used here

文档解释ORA-22350:IncompleteopaquetypecannotbeusedhereCause:AnincompleteSYS.AnyTypeorSYS.AnyDataorSYS.AnyDataSetisbeingusedinappropriately.Action:Checkthedocumentat...

IT技术学习·2023-07-17

ORA-30772: opaque types do not have default constructors

文档解释ORA-30772:opaquetypesdonothavedefaultconstructorsCause:Constructorinvocationdidnotsucceed,sincenouser-definedconstructorsweredefinedfortheopaquetype,andsinc...

IT技术学习·2023-07-16

ORA-22997: VARRAY | OPAQUE stored as LOB is not specified at the table level

文档解释ORA-22997:VARRAY|OPAQUEstoredasLOBisnotspecifiedatthetablelevelCause:AnattemptwasmadetospecifyaVARRAY|OPAQUEcolumntobestoredasLOBatthepartition/subpartition...

IT技术学习·2023-07-16

ORA-30774: Library “string” was erroneously defined as a trusted library for opaque types

文档解释ORA-30774:Library“string”waserroneouslydefinedasatrustedlibraryforopaquetypesCause:Userhasdefinedsomelibraryastrustedlibraryforopaquetypes.Actio...

IT技术学习·2023-07-10

ORA-30773: opaque types do not have default constructors

文档解释ORA-30773:opaquetypesdonothavedefaultconstructorsCause:Constructorinvocationdidnotsucceed,sincenouser-definedconstructorsweredefinedfortheopaquetype,andsinc...

IT技术学习·2023-07-08

iOS开发-Alpha，Hidden与Opaque区别

UIView中的这三个属性用的比较多，尤其是Alpha和Opaque之间有的时候不是很好分别，稍微整理下:alpha是不透明度，属性为浮点类型的值，取值范围从0到1.0，表示从完全透明到完全不透明，其特性有当前UIView的alpha值会被其所有subview继承。alpha值会影响到UIView跟其所有subview...

代码星球·2020-04-14