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Reactive Programming

ReactiveProgramming 使得处理异步数据流和事件变得更加简洁。常用的库和框架包括： - RxJS:JavaScript的响应式扩展库。- Svelte:一个新的前端框架，支持声明式编程和更简洁的语法。...

开发笔记 ·2024-08-31

ORA-29705: ACTIVE_INSTANCE_COUNT is string which is incompatible with the value in other instances

文档解释ORA-29705:ACTIVE_INSTANCE_COUNTisstringwhichisincompatiblewiththevalueinotherinstancesCause:ThevalueoftheACTIVE_INSTANCE_COUNTparametermustbethesameinallOra...

IT技术学习 ·2023-07-28

ORA-19602: cannot backup or copy active file in NOARCHIVELOG mode

文档解释ORA-19602:cannotbackuporcopyactivefileinNOARCHIVELOGmodeCause:Youtriedtocopyorbackupafilethatwasnotclosedcleanly,andthedatabasewasinNOARCHIVELOGmode.Thisisn...

IT技术学习 ·2023-07-28

ORA-16669: instance cannot be opened because the Active Data Guard option is disabled

文档解释ORA-16669:instancecannotbeopenedbecausetheActiveDataGuardoptionisdisabledCause:TheattempttoopentheinstancefailedbecausetheActiveDataGuardoptionwasnotenabled...

IT技术学习 ·2023-07-28

ORA-26846: Found “string” active automatic merge jobs for cloned string Capture “string” in DBA_STREAMS_SPLIT_MERGE

文档解释ORA-26846:Found“string”activeautomaticmergejobsforclonedstringCapture“string”inDBA_STREAMS_SPLIT_MERGECause:Onlyoneactivemergejobisa...

IT技术学习 ·2023-07-28

ORA-16639: specified instance inactive or currently unavailable

文档解释ORA-16639:specifiedinstanceinactiveorcurrentlyunavailableCause:Anattemptwasmadetoperformanoperationonaninstancethatwasnotrunningorwasunavailable.Action:Ensu...

IT技术学习 ·2023-07-28

ORA-16561: cannot remove an active instance

文档解释ORA-16561:cannotremoveanactiveinstanceCause:Theinstancetoberemovedwasrunning.Action:ShutdowntheinstanceandreissuetheREMOVEcommand.ORA-16561：不能移除一个正在使用中的实例。官...

IT技术学习 ·2023-07-26

ORA-16287: operation not permitted due to active apply state

文档解释ORA-16287:operationnotpermittedduetoactiveapplystateCause:Anoperationwasattemptedthatwasnotsupportedwhilethelogicalstandbydatabasehadanactiveapplystate.Acti...

IT技术学习 ·2023-07-26

ORA-56503: DRCP: Pool is active

文档解释ORA-56503:DRCP:PoolisactiveCause:Theoperationisonlysupportedonaninactivepool.Action:Shutdownthepool.这是Oracle数据库中的一个错误代码，通常是与特定技术有关的诊断信息。ORA-56503表示DRCP池已激活，...

IT技术学习 ·2023-07-26

ORA-26863: Job “string” showing as an active job in DBA_STREAMS_SPLIT_MERGE does not exist in DBA_SCHEDULER_JOBS.

文档解释ORA-26863:Job“string”showingasanactivejobinDBA_STREAMS_SPLIT_MERGEdoesnotexistinDBA_SCHEDULER_JOBS.Cause:AnactivejobshowinginDBA_STREAMS_SPLIT_M...

IT技术学习 ·2023-07-26

ORA-39783: Invalid direct path transaction active

文档解释ORA-39783:InvaliddirectpathtransactionactiveCause:DirectpathoperationswerenotperformedinthetransactionstartedbythefirstOCIDirPathPreparecall.Action:Ensureth...

IT技术学习 ·2023-07-26

ORA-26844: Found “string” active automatic split jobs for string Capture “string” in DBA_STREAMS_SPLIT_MERGE

文档解释ORA-26844:Found“string”activeautomaticsplitjobsforstringCapture“string”inDBA_STREAMS_SPLIT_MERGECause:Onlyoneactivesplitjobisallowed...

IT技术学习 ·2023-07-26

ORA-19923: the session for row with id string is not active

文档解释ORA-19923:thesessionforrowwithidstringisnotactiveCause:RMANtriedtoupdateanV$RMAN_STATUSrowbuttheprocesswhichownsthisrowdied.Action:Thisisaninternalerror.Con...

IT技术学习 ·2023-07-26

ORA-19603: cannot backup or copy active file with KEEP .. UNRECOVERABLE option

文档解释ORA-19603:cannotbackuporcopyactivefilewithKEEP..UNRECOVERABLEoptionCause:Theusertriedtocopyorbackupafilethatwasnotclosedcleanly,withKEEP..UNRECOVERABLEoptio...

IT技术学习 ·2023-07-26

ORA-16447: Redo apply was not active at the target standby database

文档解释ORA-16447:RedoapplywasnotactiveatthetargetstandbydatabaseCause:ALTERSYSTEMFLUSHREDOTOSTANDBYfailedbecauseredoapplyisnotactiveatthetargetdatabase.Action:Star...

IT技术学习 ·2023-07-26