COS主题的文章列表，还有COS的技术要点_第1页

利用COSBrowser工具备份对象存储的文件

由于网站的静态图片文件存储在腾讯云COS中，我们需要不定期的备份静态文件。如果需要批量备份图片文件的话，在线工具无法实现，这里我们需要到腾讯云下载COSBrowser软件连接后下载。下载COSBrowser安装后可以看到上图。然后找到腾讯云的密钥API。连接后我们找到对应的对象存储空间。如果我们有需要的找到对应目录。我...

开发笔记 ·2024-08-29

ORA-40301: invalid cost matrix specification

文档解释ORA-40301:invalidcostmatrixspecificationCause:Avalidcostmatrixisnotspecified.Action:Consultdocumentationforvalidcostmatrixspecification.ORA-40301:invalidcos...

IT技术学习 ·2023-07-26

ORA-40228: scoring cost matrix already exists

文档解释ORA-40228:scoringcostmatrixalreadyexistsCause:Themodelalreadyhasascoringcostmatrix.Action:Toaddanewscoringcostmatrixtheexistingoneshouldberemovedfirst.ORA-4...

IT技术学习 ·2023-07-25

ORA-40287: invalid data for model – cosine distance out of bounds

文档解释ORA-40287:invaliddataformodel–cosinedistanceoutofboundsCause:Thenormcomputedusingattributevaluesfromtheincomingrowforthecosinemodelisoutsidetherange0-...

IT技术学习 ·2023-07-18

ORA-40291: model cost not available

文档解释ORA-40291:modelcostnotavailableCause:Thesuppliedmodelwasassumedtohavebeenbuiltwithacostmatrixspecification,wheninreality,itwasnot.Action:Provideamodelnameth...

IT技术学习 ·2023-07-09

ORA-40283: missing cost matrix

文档解释ORA-40283:missingcostmatrixCause:Costmatrixspecificationismissing.Action:Providevalidcostmatrixspecification.Checksyntaxfordataminingfunctions.ORA-40283：缺失成...

IT技术学习 ·2023-07-08

ORA-40229: scoring cost matrix not found

文档解释ORA-40229:scoringcostmatrixnotfoundCause:Themodeldoesnothaveascoringcostmatrix.Action:Toremoveascoringcostmatrixthemodelshouldhaveone.ORA-40229:scoringcostm...

IT技术学习 ·2023-07-08

ORA-02383: illegal cost factor

文档解释ORA-02383:illegalcostfactorCause:NegativeorUNLIMITEDcostforthisresourcAction:NoneORA-02383：非法成本因子错误是由Oracle数据库引擎引发的一种常见错误，它发生在运行Cost-based优化器时，当成本因素不在正确的范围内...

IT技术学习 ·2023-07-08

ORA-40282: invalid cost matrix

文档解释ORA-40282:invalidcostmatrixCause:Costmatrixspecificationisinvalid.Action:Providevalidcostmatrixspecification.Checksyntaxfordataminingfunctions.ORA-40282:inv...

IT技术学习 ·2023-07-08

MySQL Error number: MY-010438; Symbol: ER_ENGINE_COST_INVALID_CONST_CONSTANT_FOR_SE_AND_DEVICE; SQLSTATE: HY000

文档解释Errornumber:MY-010438;Symbol:ER_ENGINE_COST_INVALID_CONST_CONSTANT_FOR_SE_AND_DEVICE;SQLSTATE:HY000Message:Invalidvalueforcostconstant“%s”for...

IT技术学习 ·2023-07-01

MySQL Error number: MY-010434; Symbol: ER_SERVER_COST_INVALID_COST_CONSTANT; SQLSTATE: HY000

文档解释Errornumber:MY-010434;Symbol:ER_SERVER_COST_INVALID_COST_CONSTANT;SQLSTATE:HY000Message:Invalidvalueforcostconstant“%s”inmysql.server_costtable:...

IT技术学习 ·2023-07-01

MySQL Error number: MY-010439; Symbol: ER_SERVER_COST_FAILED_TO_READ; SQLSTATE: HY000

文档解释Errornumber:MY-010439;Symbol:ER_SERVER_COST_FAILED_TO_READ;SQLSTATE:HY000Message:Errorwhilereadingfrommysql.server_costtable.MySQL错误MY-010439（ER_SERVER_COST...

IT技术学习 ·2023-06-30

MySQL Error number: MY-010437; Symbol: ER_ENGINE_COST_INVALID_DEVICE_TYPE_FOR_SE; SQLSTATE: HY000

文档解释Errornumber:MY-010437;Symbol:ER_ENGINE_COST_INVALID_DEVICE_TYPE_FOR_SE;SQLSTATE:HY000Message:Invaliddevicetype%dfor“%s”storageengineforcostconst...

IT技术学习 ·2023-06-30

MySQL Error number: MY-010433; Symbol: ER_SERVER_COST_UNKNOWN_COST_CONSTANT; SQLSTATE: HY000

文档解释Errornumber:MY-010433;Symbol:ER_SERVER_COST_UNKNOWN_COST_CONSTANT;SQLSTATE:HY000Message:Unknowncostconstant“%s”inmysql.server_costtable错误说明：MY-0...

IT技术学习 ·2023-06-27

MySQL Error number: MY-010440; Symbol: ER_ENGINE_COST_FAILED_TO_READ; SQLSTATE: HY000

文档解释Errornumber:MY-010440;Symbol:ER_ENGINE_COST_FAILED_TO_READ;SQLSTATE:HY000Message:Errorwhilereadingfrommysql.engine_costtable.MY-010440(ER_ENGINE_COST_FAILED...

IT技术学习 ·2023-06-19