preserve主题的文章列表，还有preserve的技术要点_第1页

ORA-39093: FLASHBACK automatically enabled to preserve database integrity.

文档解释ORA-39093:FLASHBACKautomaticallyenabledtopreservedatabaseintegrity.Cause:ADataPumpjobwasrequiredtoenableflashbacksupporttospecificSCNsinordertopreservetheco...

IT技术学习 ·2023-07-26

ORA-39363: Type evolution could not be preserved for string

文档解释ORA-39363:TypeevolutioncouldnotbepreservedforstringCause:Tryingtoapplyeachversionofthetypeduringimportresultedincompilationwarnings.Thetypewassuccessfullyre...

IT技术学习 ·2023-07-26

ORA-26577: PRESERVE TABLE can not be used when dropping old style materialized view string.string

文档解释ORA-26577:PRESERVETABLEcannotbeusedwhendroppingoldstylematerializedviewstring.stringCause:Thematerializedviewconsistsofaviewandacontainertable.Action:Dropth...

IT技术学习 ·2023-07-18

ORA-01779: cannot modify a column which maps to a non key-preserved table

文档解释ORA-01779:cannotmodifyacolumnwhichmapstoanonkey-preservedtableCause:Anattemptwasmadetoinsertorupdatecolumnsofajoinviewwhichmaptoanon-key-preservedtable.Acti...

IT技术学习 ·2023-07-08

ORA-01752: cannot delete from view without exactly one key-preserved table

文档解释ORA-01752:cannotdeletefromviewwithoutexactlyonekey-preservedtableCause:Thedeletedtablehad–nokey-preservedtables,–morethanonekey-preservedtable,o...

IT技术学习 ·2023-07-06

ORA-01270: string operation is not allowed if STANDBY_PRESERVES_NAMES is true

文档解释ORA-01270:stringoperationisnotallowedifSTANDBY_PRESERVES_NAMESistrueCause:Anoperationthatrenamesoradds/dropsafilewasattemptedatastandbydatabaseandSTANDBY_PR...

IT技术学习 ·2023-07-05

MySQL Error number: MY-011682; Symbol: ER_GRP_RPL_SLAVE_PRESERVE_COMMIT_ORDER_NOT_SET; SQLSTATE: HY000

文档解释Errornumber:MY-011682;Symbol:ER_GRP_RPL_SLAVE_PRESERVE_COMMIT_ORDER_NOT_SET;SQLSTATE:HY000Message:GroupReplicationrequiresslave-preserve-commit-ordertobeset...

IT技术学习 ·2023-06-19

log4net preserveLogFileNameExtension 和 watch

<log4net><appendername="fileappender"type="log4net.Appender.RollingFileAppender"><filevalue="logprogram.log"/><encodingva...

代码星球 ·2021-02-08

refiling失败报错Invalid function: org-preserve-local-variables

refiling失败报错Invalidfunction:org-preserve-local-variables，原因：elc,不太清楚解决办法：删除org？？目录下的elc文件 https://github.com/syl20bnr/spacemacs/issues/11801 https://e...

代码星球 ·2020-11-01

理解SVG图片标签的viewport、viewBox、preserveAspectRatio缩放

一、viewport　　表示SVG可见区域的大小，或者可以想象成舞台大小，画布大小。<svgwidth="500"height="300"></svg>　　上面的SVG代码定义了一个视区，宽500单位，高300单位。　　注意这里的措辞是“单位”，不是“像素&r...

代码星球 ·2020-06-27

css3 preserve-3d 的理解注意IOS上的兼容

css3preserve-3d的理解<pre><!DOCTYPEhtml><htmllang="en"><head><metacharset="UTF-8"><title>转换模块-正方体</title><style>*{m...

代码星球 ·2020-05-23

理解SVG坐标系和变换：视窗,viewBox和preserveAspectRatio

SVG元素不像HTML元素一样由CSS盒模型管理。这使得我们可以更加灵活定位和变换这些元素-也许一眼看上去不太直观。然而，一旦你理解了SVG坐标系和变换，操纵SVG会非常简单并且很有意义。本篇文章中我们将讨论控制SVG坐标系的最重要的三个属性：viewport， viewBox，和 preserve...

代码星球 ·2020-05-12

理解SVG的viewport,viewBox,preserveAspectRatio

viewport表示SVG可见区域的大小，或者可以想象成舞台大小，画布大小。<svgwidth="500"height="300"></svg>上面的SVG代码定义了一个视区，宽500单位，高300单位。注意这里的措辞是“单位”，不是“像素”。虽然...