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ORA-26848: Split a nonexistent Streams Capture process “string” in job “string”

文档解释ORA-26848:SplitanonexistentStreamsCaptureprocess“string”injob“string”Cause:Thejobattemptedtosplitanon-existentoriginalStreamsCapture...

IT技术学习 ·2023-07-26

ORA-38819: user string owns one or more objects whose type is editionable and that have noneditioned dependent objects

文档解释ORA-38819:userstringownsoneormoreobjectswhosetypeiseditionableandthathavenoneditioneddependentobjectsCause:Anattemptwasmadetoviolatetherule“Anoneditio...

IT技术学习 ·2023-07-18

ORA-22809: nonexistent attribute

文档解释ORA-22809:nonexistentattributeCause:Anattemptwasmadetoaccessanon-existentattributeofanobjecttype.Action:Checktheattributereferencetoseeifitisvalid.Thenretry...

IT技术学习 ·2023-07-18

ORA-32587: Cannot drop nonexistent string supplemental logging

文档解释ORA-32587:CannotdropnonexistentstringsupplementalloggingCause:specifiedsupplementallogattributedoesnotexist.Action:NoneORA-32587:Cannotdropnonexistentstring...

IT技术学习 ·2023-07-16

ORA-30568: cannot drop log group – nonexistent log group

文档解释ORA-30568:cannotdroploggroup–nonexistentloggroupCause:Thespecifiedinaltertabledroploggroupisincorrectornonexistent.Action:Reenterthestatementusingthec...

IT技术学习 ·2023-07-11

ORA-02443: Cannot drop constraint – nonexistent constraint

文档解释ORA-02443:Cannotdropconstraint–nonexistentconstraintCause:altertabledropconstraintAction:makesureyousupplycorrectconstraintname.ORA-02443是一个发生在Oracle数...

IT技术学习 ·2023-07-10

ORA-00232: snapshot control file is nonexistent, corrupt, or unreadable

文档解释ORA-00232:snapshotcontrolfileisnonexistent,corrupt,orunreadableCause:Thesnapshotcontrolfilewasfoundtobenonexistent,corrupt,orunreadableduringaninvocationofc...

IT技术学习 ·2023-07-09

ORA-01142: cannot end online backup – none of the files are in backup

文档解释ORA-01142:cannotendonlinebackup–noneofthefilesareinbackupCause:Noneofthefileswerefoundtobeinonlinebackupwhenattemptingtoendanonlinebackup.Action:None....

IT技术学习 ·2023-07-08

ORA-02442: Cannot drop nonexistent unique key

文档解释ORA-02442:CannotdropnonexistentuniquekeyCause:altertabledropunique()–uniquespecificationdoesnotexist.Action:makesurecolumnlistforuniqueconstraintiscor...

IT技术学习 ·2023-07-08

ORA-02441: Cannot drop nonexistent primary key

文档解释ORA-02441:CannotdropnonexistentprimarykeyCause:altertabledropprimarykey–primarykeydoesnotexist.Action:None**官方解释**ORA-02441错误表示尝试删除非存在的主键，当尝试删除数据库表中不存...

IT技术学习 ·2023-07-08

MySQL Error number: MY-013669; Symbol: ER_UPGRADE_NONEXISTENT_SCHEMA; SQLSTATE: HY000

文档解释Errornumber:MY-013669;Symbol:ER_UPGRADE_NONEXISTENT_SCHEMA;SQLSTATE:HY000Message:Theschema“%s”referencedby%s“%s”doesnotexist.Pleasec...

IT技术学习 ·2023-07-03

display:none是什么意思

display:none的意思：隐藏元素并脱离文档，流就是隐藏该区域，不占实际空间，但对后台来说真实存在，可以获取被隐藏的元素简单的来说就是将元素设置为none的时候既不会占据空间，也无法显示，相当于该元素不存在。<html><head><title></title>&l...

开发笔记 ·2022-09-10

http协议里的Last-Modified，If-Modified-Since，If-None-Match，ETag的简单理解

1.从服务端传给客户端的：　　1）Last-Modified：表示服务端资源最后修改的时间，也就是传给客户端，用于告诉客户端，服务端资源最后修改的时间　　2）Etag：表示字符串唯一标识符，也是传给客户端，用于告诉客户端，表示服务端资源发生修改了的最新标识。因为Last-Modified的一些缺陷，比如只能标识到时间秒...

代码星球 ·2021-02-20

appium 报错：AttributeError:"NoneType' object has no attribute 'XXX'

报错截图如下：　问题原因：　　根据以上报错提示可已看到问题的原因为：logger中没有info此方法的调用，点击“具体报错的位置”上面的链接，可直接定位到具体的报错位置。根据分析所得：info是logging中的方法，并不是logger中方法。解决方法：　　查看noattribute后面的参数‘info’是否是在当前l...

代码星球 ·2021-02-13

What is the difference between visibility:hidden and display:none?

答案1display:nonemeansthatthetaginquestionwillnotappearonthepageatall(althoughyoucanstillinteractwithitthroughthedom).Therewillbenospaceallocatedforitbetweentheot...

代码星球 ·2021-02-08