#RI

C 语言的输入输出函数 scanf() 和 printf()

scanf&printfC语言入门的第一堂课讲的就是输出 Hello,world! 字符串,使用 printf() 输出到黑框框(命令行)里。后面讲IO的时候又提到了 scanf() 从黑框框中获取输入的内容。基本的用法如下:intn;scanf("%...

jquery trigger方法 jQuery trigger() 方法

 jQuerytrigger()方法用于触发指定元素上的指定事件,并执行相应的事件处理函数。该方法可以触发已经在元素上绑定的事件,也可以触发浏览器默认行为。$(selector).trigger(event,[data])//event参数是必须的,data参数是可选的trigger()方法有两个重要的用途:...
开发笔记 ·2023-12-03

git 报错 fatal: bad object refs/remotes/origin/xxx 解决方法

git拉取时报错fatal:badobjectrefs/remotes/origin/xxxerror:xxxxxdidnotsendallnecessaryobjects 解决方法,到项目的.git 目录下进入refs/remotes/origin/删除所有内容 重新拉取,成功...
开发笔记 ·2023-10-10

javascript ()、[]、{}的区别

一、{}大括号,表示定义一个对象,大部分情况下要有成对的属性和值,或是函数体在js中,[]表示的是数组对象,{}表示的是对象;vararr={};arr[“属性名”]=属性值;vardemo={"name":"weicunbin","age&qu...
开发笔记 ·2023-09-07

Spring Security权限管理实现接口动态权限控制

下面就是关于“SpringSecurity权限管理实现接口动态权限控制”的完整攻略:在SpringSecurity中,我们可以使用基于注解的安全性,以控制方法响应、请求类型等。但是,如果我们需要跟具体的业务数据绑定的话,我们就需要根据规则来控制具体的访问权限。在这种情况下,就需要使用Spring...

ORA-55366: unknown namespace prefix “string”

文档解释ORA-55366:unknownnamespaceprefix“string”Cause:AnattemptwasmadetomakeuseofanundefinednamespaceprefixinOracleVirtualPrivateDatabase(VPD)metadata.A...

ORA-47346: Rule set string is used by one or more command rules.

文档解释ORA-47346:Rulesetstringisusedbyoneormorecommandrules.Cause:Thespecifiedrulesetwasusedbyexistingcommandrule(s).Action:Removethedependentcommandrulesandretryt...
IT技术学习 ·2023-07-28

ORA-54531: invalid orientation for element at element offset

文档解释ORA-54531:invalidorientationforelementatelementoffsetCause:Theorientationofthecurrentgeometrywasnotvalid.Action:Reversetheorientationofthegeometry.ORA-54531...

ORA-39164: Partition string was not found.

文档解释ORA-39164:Partitionstringwasnotfound.Cause:Ifexportingorimportingoverthenetwork,theuserspecifiedapartitionnamethatwasnotfoundinthesourcedatabase.Forimportin...

ORA-39183: internal error string ocurred during decompression phase string

文档解释ORA-39183:internalerrorstringocurredduringdecompressionphasestringCause:Anunexpectederroroccurredwhiledecompressingdatabuffers.Action:ContactOracleCustomerS...

ORA-38810: Implementation restriction: cannot drop edition that has a parent and a child

文档解释ORA-38810:Implementationrestriction:cannotdropeditionthathasaparentandachildCause:Thiserroroccurredbecauseanattemptwasmadetodropaneditionthathasaparentandac...

ORA-31037: Invalid XML attribute name string

文档解释ORA-31037:InvalidXMLattributenamestringCause:TheattributenameintheXMLdocumentdidnotmatchanythingintheassociatedschema.Action:Supplyonlyschema-definedorXMLst...

ORA-39034: Table string does not exist.

文档解释ORA-39034:Tablestringdoesnotexist.Cause:TheuserreferencedatableinanAPIthatdidnotexist.Action:CorrecttablenameandretryAPI.ORA-39034:Tablestringdoesnotexist.这...

ORA-32415: fast refreshable remote materialized view on a detail table with commit SCN-based materialized view log is not supported

文档解释ORA-32415:fastrefreshableremotematerializedviewonadetailtablewithcommitSCN-basedmaterializedviewlogisnotsupportedCause:Thematerializedviewcreationfailedbeca...

ORA-41666: XML schema validation failed when validating against string

文档解释ORA-41666:XMLschemavalidationfailedwhenvalidatingagainststringCause:TheuserinputhasundefinedelementorattributeaccordingtotheprovidedXMLschemadefinition.Acti...
首页上一页12345...下一页尾页