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Web Performance Optimization

WebPerformanceOptimization 技术不断演进,包括: - LazyLoading:延迟加载非必要的资源,提升页面加载速度。- CodeSplitting:将代码拆分成更小的部分,按需加载。- HTTP/3:新一代HTTP协议,提升了网络传输性能和安...
开发笔记 开发笔记·2024-08-31

如何有效地处理overflow问题

Overflow(溢出)是一个常见的计算机编程问题,特别是在处理数字或数组时。当我们试图存储超过数据类型所允许范围的数值时,就会发生溢出。解决这个问题的关键在于正确地处理和验证数据边界。下面将介绍几种常见的溢出问题和相应的解决方案。整数溢出整数溢出是指在计算过程中,结果超出了整数类型的表示范围。例如,在32位有符号整数...

ORA-32150: Cannot perform operation on a null timestamp

文档解释ORA-32150:CannotperformoperationonanulltimestampCause:Thetimestampinvolvedinthisoperationisnull.Action:Usevalid,non-nulltimestampinstancetoperformthisoperat...

ORA-25197: an overflow segment already exists for the indexed-organized table

文档解释ORA-25197:anoverflowsegmentalreadyexistsfortheindexed-organizedtableCause:AnattemptwasmadetoADDOVERFLOWsegmentonanindex-organizedtablethatalreadyhasanoverfl...

ORA-29835: ODCIGETINTERFACES routine does not return required interface(s)

文档解释ORA-29835:ODCIGETINTERFACESroutinedoesnotreturnrequiredinterface(s)Cause:TheODCIObjectListreturnedbytheODCIGetInterfacesroutinedoesnotcontaintheinterface(s)...

ORA-32156: Cannot perform operation on stream

文档解释ORA-32156:CannotperformoperationonstreamCause:ThisoperationisnotapplicabletostreamsobtainedfromLOBs.Action:NoneORA-32156:不能对流表执行操作官方解释ORA-32156:当向流表执行操作时,可能...

ORA-28385: cannot perform a PKI certificate-based migration

文档解释ORA-28385:cannotperformaPKIcertificate-basedmigrationCause:APKIcertificate-basedmigrationtoHSMwasattempted.Action:PerformasymmetricMasterKeymigration.ORA-28...

ORA-47920: Authorization failed for user string to perform this operation

文档解释ORA-47920:AuthorizationfailedforuserstringtoperformthisoperationCause:TheoperationattemptedisnotallowedforthisuserAction:Pleaseensureyouhaveprivilegestoperf...

ORA-44827: Number of Performance Classes is too large

文档解释ORA-44827:NumberofPerformanceClassesistoolargeCause:Alargenumber(>=50)ofPerformanceClasseswererequested.Action:Submitasmaller(ORA-44827:表示性能类的数量太多。官方解释OR...

ORA-29842: option not supported with the version string of the indextype interface

文档解释ORA-29842:optionnotsupportedwiththeversionstringoftheindextypeinterfaceCause:Userspecifiedanoptionwhichisnotsupportedwiththeversionoftheindextypeinterfacepr...

ORA-25186: INCLUDING clause specified for index-organized table without OVERFLOW

文档解释ORA-25186:INCLUDINGclausespecifiedforindex-organizedtablewithoutOVERFLOWCause:INCLUDINGclauseofaCREATETABLEisanvalidoptiononlyforindex-organizedtableswithOV...

ORA-53802: cannot perform conformance validation because recursion level exceeds MAX_RECURSION_DEPTH

文档解释ORA-53802:cannotperformconformancevalidationbecauserecursionlevelexceedsMAX_RECURSION_DEPTHCause:WhenevaluatingtherecursiveconstraintontheDICOMobject,thenum...

ORA-32144: Cannot perform operation on a null interval

文档解释ORA-32144:CannotperformoperationonanullintervalCause:Theintervalinvolvedinthisoperationisnull.Action:Usevalid,non-nullintervalinstancetoperformthisoperation...

ORA-32114: Cannot perform operation on a null LOB

文档解释ORA-32114:CannotperformoperationonanullLOBCause:TheLOBinstanceonwhichtheoperationwasattemptedwasnull.Action:Useavalid,non-nullLOBinstancetoperformthisoperat...

ORA-16150: FINISH recovery performed on another, older standby database

文档解释ORA-16150:FINISHrecoveryperformedonanother,olderstandbydatabaseCause:AnarchivelogcontainingaFINISHrecoveryindicatorwasreceivedbyastandbydatabasethathasrecei...
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