prevent主题的文章列表，还有prevent的技术要点_第1页

e.preventdefault是什么

e.preventDefault() 是JavaScript中用于阻止事件的默认行为的方法。它通常用于处理DOM事件（如点击、提交表单等），以防止浏览器执行与事件关联的默认操作。1.作用阻止事件的默认行为。例如：阻止表单提交后页面刷新。阻止链接点击后跳转到新页面。阻止右键点击时弹出上下文菜单。2.使用场景（1...

开发笔记 ·2025-01-28

e.preventDefault()是什么

e.preventDefault()是一个JavaScript函数，它可以阻止浏览器的默认行为。例如，当你点击一个超链接时，浏览器会自动跳转到超链接指向的页面，这就是浏览器的默认行为。如果你希望在点击超链接时不跳转，可以在超链接的事件处理函数中使用e.preventDefault()来阻止浏览器的默认行为。 ...

开发笔记 ·2024-12-12

ORA-15158: rolling upgrade prevented by string

文档解释ORA-15158:rollingupgradepreventedbystringCause:Oneormoreinstanceswereblockingtherollingupgrade.Action:Terminateorwaituntilthereportedoperationiscompletebefo...

IT技术学习 ·2023-07-27

ORA-16098: Primary database has been shut down to prevent data loss.

文档解释ORA-16098:Primarydatabasehasbeenshutdowntopreventdataloss.Cause:Theprimarydatabasewasshutdownbecauseitwasoperatinginmaximumprotectionmodeandnosuitablestandb...

IT技术学习 ·2025-02-23

ORA-16535: Oracle Restart or Oracle Clusterware prevented completion of broker operation

文档解释ORA-16535:OracleRestartorOracleClusterwarepreventedcompletionofbrokeroperationCause:ThebrokercouldnotcompletetheoperationbecauseOracleRestart(forsingleinsta...

IT技术学习 ·2025-02-20

ORA-15604: Initialization parameters prevent client from being enabled.

文档解释ORA-15604:Initializationparameterspreventclientfrombeingenabled.Cause:Anattemptwasmadetoenableaclientthatwasdisabledforautomaticexecutionbyaninitializationp...

IT技术学习 ·2025-02-17

ORA-16649: possible failover to another database prevents this database from being opened

文档解释ORA-16649:possiblefailovertoanotherdatabasepreventsthisdatabasefrombeingopenedCause:Anattempttoopentheprimarydatabasewasmadeeitherafterafailoveroccurred,orw...

IT技术学习 ·2025-02-17

ORA-25961: join index prevents dml cascade constraint operation

文档解释ORA-25961:joinindexpreventsdmlcascadeconstraintoperationCause:Anattempttoexecutedmlresultedintheneedtoperformdmlonanothertablebecauseofacascadeconstraint.Th...

IT技术学习 ·2025-02-09

ORA-01252: cannot prevent writes – file string in recovery manager backup

文档解释ORA-01252:cannotpreventwrites–filestringinrecoverymanagerbackupCause:Anattempttomakeatablespacereadonlyorofflinenormalfoundthatarecoverymanagerproxyba...

IT技术学习 ·2025-02-06

ORA-25962: join index prevents multitable insert or merge

文档解释ORA-25962:joinindexpreventsmultitableinsertormergeCause:Anattempttoexecuteanmergeormultitableinsertonatablethatwasusedtocreateabitmapjoinindexwasmade.Mergea...

IT技术学习 ·2025-02-04

ORA-30376: prevent sharing of a parsed query of an explain rewrite session

文档解释ORA-30376:preventsharingofaparsedqueryofanexplainrewritesessionCause:Explainrewritegeneratesasharedcursorafterparsingtheuserquery.Raisingthiserrorwillpreven...

IT技术学习 ·2025-02-01

ORA-15168: rolling downgrade prevented by string

文档解释ORA-15168:rollingdowngradepreventedbystringCause:Oneormoreinstanceswereblockingtherollingdowngrade.Action:Terminateorwaituntilthereportedoperationiscomplete...

IT技术学习 ·2025-01-31

ORA-01150: cannot prevent writes – file string has online backup set

文档解释ORA-01150:cannotpreventwrites–filestringhasonlinebackupsetCause:Anattempttomakeatablespacereadonlyorofflinenormalfoundthatanonlinebackupisstillinprogr...

IT技术学习 ·2025-01-31

MySQL Error number: MY-010307; Symbol: ER_AUTH_RSA_CONF_PREVENTS_KEY_GENERATION; SQLSTATE: HY000

文档解释Errornumber:MY-010307;Symbol:ER_AUTH_RSA_CONF_PREVENTS_KEY_GENERATION;SQLSTATE:HY000Message:SkippinggenerationofRSAkeypairthrough%sasoptionsrelatedtoRSAkeys...

IT技术学习 ·2023-07-03

MySQL Error number: 3746; Symbol: ER_TEMP_TABLE_PREVENTS_SWITCH_GLOBAL_BINLOG_FORMAT; SQLSTATE: HY000

文档解释Errornumber:3746;Symbol:ER_TEMP_TABLE_PREVENTS_SWITCH_GLOBAL_BINLOG_FORMAT;SQLSTATE:HY000Message:Changing@@global.binlog_formator@@persist.binlog_formatisdi...

IT技术学习 ·2023-07-01