pi主题的文章列表，还有pi的技术要点_第2页

升级pip 到 10.0.1

1、cmd。2、键入python-minstallpip。3、自动卸载老版本，并安装新版本pip。...

开发笔记 ·2023-12-29

java的接口和api

Java中的接口和API是两个非常重要的概念。一个接口是一组定义的方法和常量，用来完成某一个特定的任务。API代表应用程序编程接口，是一组预定义的类和方法，用来完成特定的任务，可以帮助开发人员快速实现程序功能。接口在Java中是一种特殊的类，只有方法的定义，没有方法的实现。它们通常是用来定义某一个作用域内需要实现的方法...

开发笔记 ·2023-08-29

ORA-29309: export dump file was generated by different version of DBMS_PITR package

文档解释ORA-29309:exportdumpfilewasgeneratedbydifferentversionofDBMS_PITRpackageCause:TheversionofDBMS_PITRisdifferentfromtheversionofthecloneddatabase.Action:Loadt...

IT技术学习 ·2023-07-28

ORA-26940: OCIPOGGCapture API must be executed using a dedicated server process.

文档解释ORA-26940:OCIPOGGCaptureAPImustbeexecutedusingadedicatedserverprocess.Cause:AnattemptwasmadetoexecuteOCIPOGGCaptureAPIusingasharedserverprocess.Action:Repla...

IT技术学习 ·2023-07-28

ORA-29533: attempt to overwrite class or resource string while defining or compiling string.string

文档解释ORA-29533:attempttooverwriteclassorresourcestringwhiledefiningorcompilingstring.stringCause:AclassorresourcedefinedbyaSQLJsourceconflictedwithanexistingobje...

IT技术学习 ·2023-07-28

ORA-42311: This operation is not permitted on Editioning views with compilation errors

文档解释ORA-42311:ThisoperationisnotpermittedonEditioningviewswithcompilationerrorsCause:ALTERVIEWREADONLYandALTERVIEWREADWRITEarenotpermittedonEditioningviewswhich...

IT技术学习 ·2023-07-28

ORA-22601: pickler TDS context [string] is not initialized

文档解释ORA-22601:picklerTDScontext[string]isnotinitializedCause:AttempttousethepicklerTDScontextwithoutinitializingit.Action:UseOCIPicklerTdsCtxInittoinitializethe...

IT技术学习 ·2023-07-28

ORA-56867: Cannot connect to Master Diskmon on pipe “string”

文档解释ORA-56867:CannotconnecttoMasterDiskmononpipe“string”Cause:MasterDiskmonwasnotrunningorthelisteningpipewasdeleted.Action:Lookatthe$ORA_CRS_HOME/l...

IT技术学习 ·2023-07-28

ORA-32052: failed to start mapping service

文档解释ORA-32052:failedtostartmappingserviceCause:Themappingservicefailedtostartproperly.Action:CheckFMONtracefilesforerrors.ORA-32052表明应用程序无法启动映射服务。它是一个致命错误，必须修复才...

IT技术学习 ·2023-07-28

ORA-31063: XPath compilation failed: string. string

文档解释ORA-31063:XPathcompilationfailed:string.stringCause:XPathcompilationfailedforspecifiedreason.Action:ContactOracleSupportServices.。ORA-31063:XPathcompilation...

IT技术学习 ·2023-07-27

ORA-06556: the pipe is empty, cannot fulfill the unpack_message request

文档解释ORA-06556:thepipeisempty,cannotfulfilltheunpack_messagerequestCause:Therearenomoreitemsinthepipe.Action:Checkthatthesenderandreceiveragreeonthenumberandtype...

IT技术学习 ·2023-07-27

ORA-16112: log mining and apply stopping

文档解释ORA-16112:logminingandapplystoppingCause:ThislogicalstandbyprocessiscleaningupandstoppingLogicalStandbyapply.Action:Noactionnecessary,thisinformationalstate...

IT技术学习 ·2023-07-27

ORA-07597: spguns: $GETJPIW failure

文档解释ORA-07597:spguns:$GETJPIWfailureCause:VMSsystemservice$GETJPIWfailedAction:ExaminesystemerrormessageandrefertoVMSdocumentationORA-07597:spgun:$GETJPIWfailur...

IT技术学习 ·2023-07-27

ORA-24854: invalid pieceinfo provided

文档解释ORA-24854:invalidpieceinfoprovidedCause:WhilemakingthefirstcalltowriteLOBdata,aninvalidpieceinfovalueprovided.Action:CorrectthecalltouseOCI_ONE_PIECEorOCI_F...

IT技术学习 ·2023-07-26

ORA-19630: end of volume encountered while copying backup piece

文档解释ORA-19630:endofvolumeencounteredwhilecopyingbackuppieceCause:WhilecopyingabackuppiecefromtheOSnativefilesystemtoanoutputdevice,theoutputdeviceencounteredend...

IT技术学习 ·2023-07-26