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lua unpack

unpack函数是Lua中的一个函数，它可以将一个数组或者table中的元素解包成多个值，然后返回这些值。例如：localt={1,2,3}print(unpack(t))--输出123unpack函数的语法格式为：unpack(list[,i[,j]])其中，list表示要解包的数组或者table；i表示解包的起始位...

开发笔记 ·2024-08-27

available: expected at least 1 bean which qualifies as autowire candidate

available:expectedatleast1beanwhichqualifiesasautowirecandidate这个错误我也是找了半天,最后排查的时候发现是自己的实现类写错了,所以注入不进去.出现这个错误一般有四个方向排查查看接口实现类是否加入注解，如service、repository等查看spring...

开发笔记 ·2023-10-20

ORA-47402: incorrect evaluation options value for Factor string

文档解释ORA-47402:incorrectevaluationoptionsvalueforFactorstringCause:ThefactorevaluationsoptionsvalueisincorrectAction:Pleasereviewthefactordefinitionandcorrectita...

IT技术学习 ·2023-07-28

ORA-55339: a virtual model already exists for the specified model-rulebase combination

文档解释ORA-55339:avirtualmodelalreadyexistsforthespecifiedmodel-rulebasecombinationCause:Avirtualmodelwithidenticalcomponentswasalreadypresent.Action:Chooseadiffer...

IT技术学习 ·2023-07-28

ORA-64106: Incorrect use of comma(,) punctuation in COLUMN definitions.

文档解释ORA-64106:Incorrectuseofcomma(,)punctuationinCOLUMNdefinitions.Cause:AnattemptwasmadetodefineCOLUMNSwithincorrectuseofcommapunctuation.Action:Properlysepara...

IT技术学习 ·2023-07-28

ORA-26016: Virtual column string in table string.string cannot be loaded by direct path

文档解释ORA-26016:Virtualcolumnstringintablestring.stringcannotbeloadedbydirectpathCause:Youattemptedtoloadanvirtualcolumnusingthedirectpath.Action:Virtualcolumnsca...

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-30984: The XMLType column has to be declared as virtual

文档解释ORA-30984:TheXMLTypecolumnhastobedeclaredasvirtualCause:TheXMLTypecolumnwasnotdeclaredasvirtualwhencreatingastructuredXMLIndex.Action:TheXMLTypecolumnhastob...

IT技术学习 ·2023-07-28

ORA-16576: failed to update Data Guard configuration file

文档解释ORA-16576:failedtoupdateDataGuardconfigurationfileCause:AfailurewasencounteredwhilethebrokerwasupdatingtheDataGuardbrokerconfigurationfileonpermanentstorage...

IT技术学习 ·2023-07-28

ORA-16589: Data Guard broker detected network transfer error

文档解释ORA-16589:DataGuardbrokerdetectednetworktransfererrorCause:TheDataGuardbrokerdetectedanerrorwhiletransferringdatafromonedatabasetoanother.Thismayhappenwhen:...

IT技术学习 ·2023-07-28

ORA-44701: Language not found for translation

文档解释ORA-44701:LanguagenotfoundfortranslationCause:Thedocumenthadmultipletranslationsandoneofthemdidnothavethexml:langattribute.Action:Alltranslationsmusthavethe...

IT技术学习 ·2023-07-27

ORA-31144: Implementation language for string is not specified

文档解释ORA-31144:ImplementationlanguageforstringisnotspecifiedCause:Implementationlanguageforspecifiedlistenersourcewasnotspecified.Action:Correctproblemandresubmi...

IT技术学习 ·2023-07-27

ORA-55332: virtual model cannot be used in this context

文档解释ORA-55332:virtualmodelcannotbeusedinthiscontextCause:Avirtualmodelwasusedasinputinsteadofamodel.Action:Useamodelasinput.ORA-55332是Oracle数据库中用于指示语法错误的一条错误消息代...

IT技术学习 ·2023-07-27

ORA-38787: Creating the first guaranteed restore point requires mount mode when flashback database is off.

文档解释ORA-38787:Creatingthefirstguaranteedrestorepointrequiresmountmodewhenflashbackdatabaseisoff.Cause:Whileflashbackdatabaseisnoton,anattemptwasmadetocreatethef...

IT技术学习 ·2023-07-27

ORA-29976: Unsupported query for registration in guaranteed mode

文档解释ORA-29976:UnsupportedqueryforregistrationinguaranteedmodeCause:Anoperatororexpressioninthequerywasincompatiblewithqueryregistrationintheguaranteedgranularit...

IT技术学习 ·2023-07-27