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iframe获取浏览器麦克风、摄像头等权限

iframe获取浏览器麦克风、摄像头等权限，需要增加配置：allow="geolocation;microphone;camera;midi;encrypted-media;" ...

开发笔记 ·2024-03-08

c# winform 开启双缓冲，解决dataguidview卡顿

窗体的构造函数中，开启窗体的双缓冲publicssss(){//设置窗体的双缓冲this.SetStyle(ControlStyles.OptimizedDoubleBuffer|ControlStyles.ResizeRedraw|ControlStyles.AllPaintingInWmPaint,true);th...

开发笔记 ·2024-02-02

dataGridView双缓冲双buffer代码

在form_load方法中添加一下代码双缓冲：Typetype=dataGridView_items.GetType();System.Reflection.PropertyInfopi=type.GetProperty("DoubleBuffered",System.Reflection.BindingF...

开发笔记 ·2024-02-02

Chrome浏览器禁止http自动转成https

打开Chrome浏览器，在地址栏中输入 chrome://net-internals/#hsts在页面中查找Deletedomainsecuritypolicies，在 Domain的输入框中输入域名，并点击 Delete删除可以在QueryExpect-CTdomain中测试是否删除成功...

开发笔记 ·2024-01-12

no input file specified 三种解决方法

一.IIS Noinputfilespecified方法一：改PHP.ini中的doc_root行，打开ini文件注释掉此行，然后重启IIS 方法二：请修改php.ini找到 ;cgi.force_redirect=1去掉前面分号，把后面的1改为0 即cg...

开发笔记 ·2023-12-10

Oracle数据库：ORA-01017: invalid username/password; logon denied

报错：ORA-01017:invalidusername/password;logondenied错误说明：用户名和密码无效，登录被拒绝。1<connectionStrings>2 3 <addname="CamnprData...

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

php下载网络图片到本地

<?php/**　　*下载图片到服务器　　*@paramstring$webImgUrl图片路径　　*@paramstring$fileName要保存的文件名　　*/$fileName=date("Y-m-d")."-".time().rand(1,1000);$webImgUrl="http://www.51d...

开发笔记 ·2023-08-23

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-54531: invalid orientation for element at element offset

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

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-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

ORA-41028: Session id not specified

文档解释ORA-41028:SessionidnotspecifiedCause:Anattempttomigratewasmade,whichfailedduringmigrationbecausethesessionidspecifiedbytheclientwasnull.Action:Checkthesessi...

IT技术学习 ·2023-07-28

ORA-42028: materialized view log “string”.”string” does not exist

文档解释ORA-42028:materializedviewlog“string”.”string”doesnotexistCause:Anattemptwasmadetoregisteranonexistentmaterializedviewlogasadependen...

IT技术学习 ·2023-07-28