lte主题的文章列表，还有lte的技术要点_第1页

FileFilter 遍历某个目录下文件名含有某个字符的文件

由于IIS版本的升级，造成了文件名中含有“+”的特殊字符的文件（多数是图片）在网页中不能被访问，于是必须查找当前目录下含有多少这样的文件，从而制定最佳的解决方案。废话少说，直接上核心代码：publicvoidGetAllFilesInDirectory(stringstrDirectory,st...

开发笔记 ·2024-08-29

PHP 自带的验证函数 FILTER_VAR()

常见的用法检查邮箱的格式是否合法if(filter_var('bob@51dev.com',FILTER_VALIDATE_EMAIL)){} 更多相关的过滤参数：ID名称描述FILTER_CALLBACK调用用户自定义函数来过滤数据。FILTER_SANITIZE_STRING去除标签，去除...

开发笔记 ·2024-05-08

ORA-38496: Expression Filter index is not in a valid state

文档解释ORA-38496:ExpressionFilterindexisnotinavalidstateCause:AnattemptwasmadetoREBUILDanExpressionFilterindexthatwasnotvalid.Action:UseDEFAULTkeywordintheparamete...

IT技术学习 ·2023-07-28

ORA-25100: TABLESPACE option can only be used with ALTER INDEX REBUILD

文档解释ORA-25100:TABLESPACEoptioncanonlybeusedwithALTERINDEXREBUILDCause:TheTABLESPACEoptiontoALTERINDEXwasusedwithouttheREBUILDoption.Action:UseALTERINDEXREBUILDT...

IT技术学习 ·2023-07-28

ORA-39202: Data cannot be filtered or selected in string jobs.

文档解释ORA-39202:Datacannotbefilteredorselectedinstringjobs.Cause:Adatafilterwassuppliedforthespecifiedtypeofjob,butisnotsupportedinthespecifiedjobtype.Fromthecomm...

IT技术学习 ·2023-07-28

ORA-44742: Cannot alter columns of a table that is shared by other group(s).

文档解释ORA-44742:Cannotaltercolumnsofatablethatissharedbyothergroup(s).Cause:Anattemptwasmadetoaddcolumnsto,modifycolumnsof,ordropcolumnsfromatablesharedbyothergro...

IT技术学习 ·2023-07-28

ORA-29874: warning in the execution of ODCIINDEXALTER routine

文档解释ORA-29874:warningintheexecutionofODCIINDEXALTERroutineCause:AwaringwasreturnedfromtheODCIIndexAlterroutine.Action:Checktoseeiftheroutinehasbeencodedcorrectl...

IT技术学习 ·2023-07-28

ORA-39033: Data cannot be filtered under the direct path access method.

文档解释ORA-39033:Datacannotbefilteredunderthedirectpathaccessmethod.Cause:Theuserspecifiedthatthedataaccessmethodforthejobwasdirectwhichprecludestheuseofcertaindat...

IT技术学习 ·2023-07-28

ORA-19380: invalid plan filter

文档解释ORA-19380:invalidplanfilterCause:Theuserspecifiedaninvalidfilterfortheplanwhencallingtheselect_sqlsettablefunction.Action:Adjustthethefiltertobeoneofthefoll...

IT技术学习 ·2023-07-28

ORA-39294: Cannot alter indextype of domain index.

文档解释ORA-39294:Cannotalterindextypeofdomainindex.Cause:DBMS_METADATA_DIFFwascomparingtwobitmapdomainindexeswithdifferentindextypes.ThereisnoSQLALTERstatementtoal...

IT技术学习 ·2023-07-28

ORA-15454: ALTER DISKGROUP ALL cannot use single volume names

文档解释ORA-15454:ALTERDISKGROUPALLcannotusesinglevolumenamesCause:AnALTERDISKGROUPALLcommandspecifiedasinglevolumeoralistofvolumesAction:UsetheALLkeywordwhenspecif...

IT技术学习 ·2023-07-28

ORA-39310: Cannot alter tablespace type.

文档解释ORA-39310:Cannotaltertablespacetype.Cause:DBMS_METADATA_DIFFwascomparingtwotablespacesofdifferenttypes:permanent,temporaryorundo.ThereisnoSQLALTERstatementt...

IT技术学习 ·2023-07-27

ORA-30972: invalid ALTER INDEX option for XML Index

文档解释ORA-30972:invalidALTERINDEXoptionforXMLIndexCause:Anattemptwasmadetouseanunsupportedoption.Action:Usetheappropriateoption.错误说明ORA-30972是一个特定的SQL错误代码，它在Oracl...

IT技术学习 ·2023-07-27

ORA-39285: Cannot alter index key compression.

文档解释ORA-39285:Cannotalterindexkeycompression.Cause:DBMS_METADATA_DIFFwascomparingtwoindexeswithdifferentvaluesofkeycompression.ThereisnoSQLALTERstatementtochang...

IT技术学习 ·2023-07-27

ORA-14130: UNIQUE constraints mismatch in ALTER TABLE EXCHANGE PARTITION

文档解释ORA-14130:UNIQUEconstraintsmismatchinALTERTABLEEXCHANGEPARTITIONCause:OneofthetablesnamedintheALTERTABLEEXCHANGEPARTITIONcommandhasaUNIQUEconstraintforwhich...

IT技术学习 ·2023-07-27