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java split()方法如何使用

/在Java中，split()方法用于分隔字符串，可以根据匹配给定的正则表达式来拆分字符串。split()方法可以将一个字符串分割为子字符串，然后将结果作为字符串数组返回；语法“stringObj.split([regex，[limit]])”，参数regex指定正则表达式分隔符，l...

开发笔记 ·2024-09-24

sqlite3导入到mysql

从sqlite3文件dump出sqlsqlite3database.sqlite3sqlite3>.output/path/to/dump.sqlsqlite3>.dumpsqlite3>.exit切分文件文件比较大的时候，很有导入到一半的时候失败，这个时候需要从失败的行开始切分出一个新的sql文件来...

开发笔记 ·2024-08-19

Reachability(判断网络是否连接)

类似于一个网络状况的探针。　　[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(reachabilityChanged:)name:kReachabilityChangedNotificationobject:nil];&nbs...

开发笔记 ·2023-10-12

ORA-55328: literal value string insert attempt failed

文档解释ORA-55328:literalvaluestringinsertattemptfailedCause:Theattempttocreatethespecifiedliteralvaluefailed.Action:Thismaybeaninternalerror.ContactOracleSupportSe...

IT技术学习 ·2023-07-28

ORA-39172: Cannot remap transportable tablespace names with compatibility of string.

文档解释ORA-39172:Cannotremaptransportabletablespacenameswithcompatibilityofstring.Cause:Theuserattemptedtoremapatablespacenameinatransportabletablespacejobwhenthec...

IT技术学习 ·2023-07-28

ORA-26846: Found “string” active automatic merge jobs for cloned string Capture “string” in DBA_STREAMS_SPLIT_MERGE

文档解释ORA-26846:Found“string”activeautomaticmergejobsforclonedstringCapture“string”inDBA_STREAMS_SPLIT_MERGECause:Onlyoneactivemergejobisa...

IT技术学习 ·2023-07-28

ORA-54621: TO_GEOMETRY: TOTAL_DIMENSIONALITY not same as in INIT operation

文档解释ORA-54621:TO_GEOMETRY:TOTAL_DIMENSIONALITYnotsameasinINIToperationCause:ThespecifiedTOTAL_DIMENSIONALITYwasinvalid.Action:EnsurethattheTOTAL_DIMENSIONALITYm...

IT技术学习 ·2023-07-28

ORA-55327: rule string yields a triple with a literal subject or predicate

文档解释ORA-55327:rulestringyieldsatriplewithaliteralsubjectorpredicateCause:Thespecifiedrulecreatedaninvalidtriplecontainingaliteralinthesubjectorpredicateposition...

IT技术学习 ·2023-07-28

ORA-12400: invalid argument to facility error handling

文档解释ORA-12400:invalidargumenttofacilityerrorhandlingCause:Anargumenttoafacilityerrorhandlingfunctionexceededamaximumlimitorreferredtoaninvalidproduct/facility.A...

IT技术学习 ·2023-07-27

ORA-27140: attach to post/wait facility failed

文档解释ORA-27140:attachtopost/waitfacilityfailedCause:Theprogramattemptedtoinitializethepost/waitfacility,butthefacilitycouldnotbeattached.Action:Checkforadditiona...

IT技术学习 ·2023-07-27

ORA-32342: The EXPLAIN_MVIEW facility failed to explain the materialized view statement

文档解释ORA-32342:TheEXPLAIN_MVIEWfacilityfailedtoexplainthematerializedviewstatementCause:Anerrorexistsinthematerializedviewdefinition.Asaresult,thematerializedvie...

IT技术学习 ·2023-07-27

ORA-56708: Could not find any datafiles with asynchronous i/o capability

文档解释ORA-56708:Couldnotfindanydatafileswithasynchronousi/ocapabilityCause:TherearenodatafileswhichareasynchronousI/Ocapable.Action:Makesureasynchronousi/oispermi...

IT技术学习 ·2023-07-26

ORA-15239: allocation unit size higher than string requires RDBMS compatibility string

文档解释ORA-15239:allocationunitsizehigherthanstringrequiresRDBMScompatibilitystringCause:TheallocationunitsizerequestedexceededthelimitimposedbytheRDBMScompatibili...

IT技术学习 ·2023-07-26

ORA-15232: cannot advance diskgroup compatibility due to offline disks

文档解释ORA-15232:cannotadvancediskgroupcompatibilityduetoofflinedisksCause:Diskgroupcompatibiltycouldnotbeadvancedbecausesomedisksareoffline.Action:Retrythecommand...

IT技术学习 ·2023-07-26

ORA-54653: CREATE_TIN: specified total dimensionality cannot exceed 8

文档解释ORA-54653:CREATE_TIN:specifiedtotaldimensionalitycannotexceed8Cause:ThespecifiedtotaldimensionalityfortheTINexceededthemaximumlimitof8.Action:CreatetheTINwi...

IT技术学习 ·2023-07-26