#IV

div0是什么错误

在编程或者数学中,当一个数被零除时,会产生一个错误,称为“除以零错误”或“除零错误”,这是因为除法运算要求分母不能为零,否则结果是未定义的。...
开发笔记 ·2024-10-16

如何启动或关闭oracle的归档(ARCHIVELOG)模式

1.管理员身份连接数据库C:UsersAdministrator>sqlplussys/sys@prjdbassysdbaSQL*Plus:Release11.2.0.1.0ProductiononTueJun1723:50:552014Copyright(c)1982,2010,Oracle.Allrights...

未能从程序集“System.ServiceModel”中加载类型“System.ServiceModel.Activation.HttpModule”的解决办法

错误:未能从程序集“System.ServiceModel,Version=3.0.0.0,Culture=neutral,PublicKeyToken=b77a5c561934e089”中加载类型“System.ServiceModel.Activation.HttpModule&...

Mysql报错: ERROR 1290 (HY000): The MySQL server is running with the --secure-file-priv option so it cannot execute this statement

解决方法一:报错:ERROR1290(HY000):TheMySQLserverisrunningwiththe--secure-file-privoptionsoitcannotexecutethisstatement 二:分析:MySQL对于导入导出的目录是有限制的,只允许指定的目录才能导入导出。secu...

Reactive Programming

ReactiveProgramming 使得处理异步数据流和事件变得更加简洁。常用的库和框架包括: - RxJS:JavaScript的响应式扩展库。- Svelte:一个新的前端框架,支持声明式编程和更简洁的语法。...
开发笔记 ·2024-08-31

git pull错误fatal: Need to specify how to reconcile divergent branches

错误提示fatal:Needtospecifyhowtoreconciledivergentbranches解决方法这个错误信息是因为在执行gitpull命令更新分支时,Git无法自动解决不同提交的冲突而导致的。在这种情况下,你需要告诉Git如何处理这些分支的改动。根据提示,你可以通过以下命令来指定处理方式:使用--r...
开发笔记 ·2024-07-12

keepalivetime

keepalivetime是一个与计算机网络相关的术语,它表示在TCP连接中,一个空闲连接在被关闭之前可以保持活跃的时间,这个时间段通常用于在没有数据传输时节省资源,以及在网络状况不佳时确保连接的可靠性。...
开发笔记 ·2024-06-21

div与div之间有空隙的解决方法

当你使用HTMLdiv块与块的中间不能紧密连接怎么都解决不了时1、可以在中间内容里加一个*{margin:0;padding:0;}2、上下div之间有间距的问题我写了4个div,上下分布,均存在间距,代码以及效果如下:.div1{height:100px;background-color:blue;position:...

ORA-55605: Incorrect Flashback Archive is specified

文档解释ORA-55605:IncorrectFlashbackArchiveisspecifiedCause:AnattemptwasmadetooperateonaFlashbackArchivethatdoesnotexist,ortocreateaFlashbackArchivethatalreadyexist...

ORA-32043: recursive WITH clause needs an initialization branch

文档解释ORA-32043:recursiveWITHclauseneedsaninitializationbranchCause:AWITHclausequeryreferredtoitself(recursive)butdidnothaveabranchinaUNIONALLwithnoreferencestoit...

ORA-32039: recursive WITH clause must have column alias list

文档解释ORA-32039:recursiveWITHclausemusthavecolumnaliaslistCause:AWITHclausequeryreferredtoitself(recursive)butdidnothaveacolumnaliaslistspecifiedforit.Action:Adda...

ORA-41604: cannot revoke a privilege that was not granted

文档解释ORA-41604:cannotrevokeaprivilegethatwasnotgrantedCause:Anattemptwasmadetorevokeaprivilegethatwasnevergranted.Action:NoneORA-41604错误代表着不能撤销一个没有被授予的权限。官方解释常见案...

ORA-32486: unsupported operation in recursive branch of recursive WITH clause

文档解释ORA-32486:unsupportedoperationinrecursivebranchofrecursiveWITHclauseCause:TherecursivecomponentoftheUNIONALLinarecursiveWITHclauseelementusedanoperationthat...

ORA-29374: resource plan string in top-plan string has no plan directives

文档解释ORA-29374:resourceplanstringintop-planstringhasnoplandirectivesCause:Aplanwascreatedinthependingareathatisanorphanorstand-alone.Action:Createplandirectivesi...

ORA-53048: definer name DICOM is not allowed in a private dictionary

文档解释ORA-53048:definernameDICOMisnotallowedinaprivatedictionaryCause:TheoperationfailedbecausethedefinernameDICOMwasfoundintheprivatedictionary.Action:Correctthe...
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