Led主题的文章列表，还有Led的技术要点_第1页

Rstudio 下载一个文件出现InternetOpenUrl failed 问题

Rstudio下载一个文件出现InternetOpenUrlfailed问题>source("http://www.statmethods.net/RiA/wmc.txt")Errorinfile(filename,"r",encoding=encoding): ...

开发笔记 ·2024-09-30

dpkg: error processing package installed xxx package post-removal script subprocess returned...

在Ubuntulinux中有一个deb包安装出了问题，无法安装，也无法卸载，报错如下：dpkg:errorprocessingpackagexxx(–purge):installedxxxpackagepost-removalscriptsubprocessreturnederrorexitstatus1E...

开发笔记 ·2024-08-29

Google chrome浏览器打不开网页，显示ERR_Failed…等问题的解决方法

新装好的win7系统，打开Google浏览器，显示网页可能暂时无法连接，或者它已永久性的移动到了新地址。在网络搜索很多资料，发现解决方法如下，亲测成功。原因，该服务依赖的TCP/IP协议有问题。解决办法：1、开始运行regedit.exe，打开注册表编辑器，删除以下两个键：HKEY_LOCAL_MACHINESyste...

开发笔记 ·2024-08-10

git错误-拒绝连接：Failed to connect to 127.0.0.1 port 8888: Connection refused

错误提示Failedtoconnectto127.0.0.1port8888:Connectionrefused致命错误：无法访问'http://git.xxx.xx/xxx.git/'：Failedtoconnecttogit.xx.xxport8888:拒绝连接解决方法取消代理gitconfig--globalht...

开发笔记 ·2024-07-12

docker redis警告处理 WARNING Memory overcommit must be enabled; vm.overcommit_memory = 1

提示信息WARNINGMemoryovercommitmustbeenabled!Withoutit,abackgroundsaveorreplicationmayfailunderlowmemorycondition.Beingdisabled,itcanalsocausefailureswithoutlowmemo...

开发笔记 ·2024-07-09

使用 Git 同步时出现gnutls_handshake() failed: Error in the pull function

fatal:unabletoaccess'https://android.googlesource.com/platform/prebuilts/qemu-kernel/':gnutls_handshake()failed:Errorinthepullfunction.fatal:unabletoacc...

开发笔记 ·2024-01-10

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

C#读取Excel报错：未在本地计算机上注册Microsoft.ACE.OLEDB.12.0提供程序

解决访问Excel数据源时出现未在本地计算机上注册Microsoft.ACE.OLEDB.12.0提供程序1、确保安装了Microsoft.ACE.OLEDB.12.0驱动http://download.microsoft.com/download/7/0/3/703ffbcb-dc0c-4e19-b0da-14639...

开发笔记 ·2023-12-01

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

文档解释ORA-41666:XMLschemavalidationfailedwhenvalidatingagainststringCause:TheuserinputhasundefinedelementorattributeaccordingtotheprovidedXMLschemadefinition.Acti...

IT技术学习 ·2023-07-28

ORA-48192: OS command to move a file failed

文档解释ORA-48192:OScommandtomoveafilefailedCause:TheOScommandtomoveafilefailed.Action:Checktheerrornumberassociatedwiththemovefile.ORA-48192:OScommandtomoveafilefa...

IT技术学习 ·2023-07-28

ORA-55470: OLS may not be applied with one or more models VPD-enabled

文档解释ORA-55470:OLSmaynotbeappliedwithoneormoremodelsVPD-enabledCause:AnattemptwasmadetoOLS-enableResourceDefinitionFramework(RDF)repositorywhenoneormoremodelsisV...

IT技术学习 ·2023-07-28

ORA-28045: SSL authentication between database and OID failed

文档解释ORA-28045:SSLauthenticationbetweendatabaseandOIDfailedCause:ServerfailedtoauthenticateitselftotheDirectory.Action:Makesurethesqlnet.orausedispointingtothewa...

IT技术学习 ·2023-07-28

ORA-30027: Undo quota violation – failed to get string (bytes)

文档解释ORA-30027:Undoquotaviolation–failedtogetstring(bytes)Cause:theamountofundoassignedtotheconsumergroupofthissessionhasbeenexceeded.Action:askDBAtoincrea...

IT技术学习 ·2023-07-28

ORA-29291: file remove operation failed

文档解释ORA-29291:fileremoveoperationfailedCause:Afiledeletionattemptwasrefusedbytheoperatingsystem.Action:Verifythatthefileexistsanddeleteprivilegesgrantedonthedir...

IT技术学习 ·2023-07-28

ORA-24909: call in progress. Current operation cancelled

文档解释ORA-24909:callinprogress.CurrentoperationcancelledCause:TheOCIcallwasinvokedwhenanothercallontheconnectionwasinprogress.Action:CheckiftheOCIcallissupportedw...

IT技术学习 ·2023-07-28