as主题的文章列表，还有as的技术要点_第3页

解决npm安装包时报出：shasum check failed for错误（npm注册国内镜像介绍）

镜像使用方法（三种办法任意一种都能解决问题，建议使用第三种，将配置写死，下次用的时候配置还在）:1.通过config命令1npmconfigsetregistry http://registry.cnpmjs.org2npminfounderscore（如果上面配置正确这个命令会有字符串response）2....

开发笔记 ·2023-12-02

available: expected at least 1 bean which qualifies as autowire candidate

available:expectedatleast1beanwhichqualifiesasautowirecandidate这个错误我也是找了半天,最后排查的时候发现是自己的实现类写错了,所以注入不进去.出现这个错误一般有四个方向排查查看接口实现类是否加入注解，如service、repository等查看spring...

开发笔记 ·2023-10-20

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

前端如何用 canvas 来做电影院选票功能

电影院选票功能可以通过Canvas来实现，具体实现步骤如下：绘制座位图案：使用Canvas绘制座位图案，可以用矩形或圆形来表示每个座位，还可以添加不同颜色来表示该座位的状态（已售、已选、可选等）。添加鼠标事件：添加鼠标事件，如鼠标移动、鼠标单击等，来实现用户交互操作。例如，当用户点击座位时，将该座位的状态改为已选状态，...

开发笔记 ·2023-08-12

PHP has encountered an Access Violation

解决方法：回收进程池...

开发笔记 ·2023-08-11

ORA-55605: Incorrect Flashback Archive is specified

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

IT技术学习 ·2023-07-28

ORA-39164: Partition string was not found.

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

IT技术学习 ·2023-07-28

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

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

IT技术学习 ·2023-07-28

ORA-44739: Cannot drop the last group.

文档解释ORA-44739:Cannotdropthelastgroup.Cause:Anattemptwasmadetodropthelastgroupintheindex.Action:UsetheDROPINDEXstatementinstead.ORA-44739是Oracle数据库中的一个错误代码。它表明，用...

IT技术学习 ·2023-07-28

ORA-38471: ROWIDs for table aliases cannot be null

文档解释ORA-38471:ROWIDsfortablealiasescannotbenullCause:Anattemptwasmadetopassanullvalueforthetablealiasattributeinthedataitem,whichisnotpermitted.Action:Passavali...

IT技术学习 ·2023-07-28

ORA-44747: An XMLIndex with a structured component cannot be specified with ASYNC.

文档解释ORA-44747:AnXMLIndexwithastructuredcomponentcannotbespecifiedwithASYNC.Cause:AnattemptwasmadetospecifyASYNCparameterforanXMLIndexwithastructuredcomponent.Ac...

IT技术学习 ·2023-07-28

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

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

IT技术学习 ·2023-07-28

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

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

IT技术学习 ·2023-07-28

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...

IT技术学习 ·2023-07-28

ORA-41633: specified rule class configuration not supported: “string”

文档解释ORA-41633:specifiedruleclassconfigurationnotsupported:“string”Cause:Anattemptwasmadetouseanunsupportedconfigurationfortheruleclass.Action:Remove...

IT技术学习 ·2023-07-28