OPERATION主题的文章列表，还有OPERATION的技术要点_第31页

各种操作中心Operation Center一览

OperationCenter在中国可能有很多种名称，例如指挥中心、运维室、总控中心等等，国外可能也有很多名称，不管名称如何，任何一个上规模得数据总心或者运维单位一般都有一个这样得中心，来负责所管理IT设备、系统得运行维护工作。最近几天，我搜集了网路上一些国外OperationCenter得资料和信息，开拓视野，为国内...

代码星球 ·2020-04-12

svn“Previous operation has not finished; run 'cleanup' if it was interrupted“报错的解决方法

今天碰到了个郁闷的问题，svn执行cleanup命令时报错“Previousoperationhasnotfinished;run'cleanup'ifitwasinterrupted”。无论你到那个父层次的目录执行“cleanup “，都是报一样的错。执行cl...

代码星球 ·2020-04-10

ERROR EPERM: operation not permitted, mkdir 'C:UsersAdministratorDesktop ext uxtasic.nuxtcomponents'

C:UsersAdministratorDesktopextuxt>cdbasicC:UsersAdministratorDesktopextuxtasic>npmrundev>basic@1.0.0devC:UsersAdministratorDesktopextuxtasic>nuxti...

代码星球 ·2020-04-10

mysql: Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '= 的解决

昨天把mysql里所有table的varchar字段的字符集，批量换成了utf8mb4/utf8mb4_unicode_ci，以便能保存一些emoji火星文,结果有一个sql语句执行时，报错如下：Illegalmixofcollations(utf8_unicode_ci,IMPLICIT)and(utf8_gener...

代码星球 ·2020-04-06

django.db.utils.OperationalError: (1071, 'Specified key was too long; max key length is 767 bytes')；

在使用utf8mb4字符集的情况下，如果列存在索引，那么varchar的最大长度是191数据库版本：在使用utf8字符集的情况下，如果列存在索引，那么varchar的最大长度是255。在大字段上创建索引时，有时会碰到下面的错误ERROR1709(HY000):Indexcolumnsizetoo...

代码星球 ·2020-04-06

ssh报错No operations allowed after connection closed.Connection was implicitly clos

###Errorqueryingdatabase.Cause:com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:Nooperationsallowedafterconnectionclosed.网上查了下，由于使用了默认配置，空闲超...

代码星球 ·2020-04-06

SVN异常，Previous operation has not finished; run 'cleanup' if it was interrupted

SVN在提交、更新、cleanup时报错：Problemrunninglogsvn:FailedtoruntheWCDBworkqueueassociatedwith'D:workspacemsdev',workitem9414(file-installWebRoot/WEB-INF/lib/tms-express-a...

代码星球 ·2020-04-05

svn报错cleanup failed–previous operation has not finished; run cleanup if it was interrupted的解决办法

今天在svn提交的时候它卡顿了一下,我以为已经提交完了,就按了一下,结果就再也恢复不了,也继续不了了...报错 cleanupfailed–previousoperationhasnotfinished;runcleanupifitwasinterrupted试过执行cleanup,结果也是失败,...

代码星球 ·2020-04-04

System.InvalidOperationException : 不应有 <Response xmlns=''>。

xml如下：<?xmlversion="1.0"encoding="UTF-8"?><Responseversion="2"><datacash_reference>4700203048783633</datacash_reference><information&...

代码星球 ·2020-04-04

django.db.utils.OperationalError: (1050, "Table 'article_category' already exists")

（转自:https://blog.csdn.net/huanhuanq1209/article/details/77884014）执行manage.pymakemigrations未提示错误信息，但manage.pymigrate时进行同步数据库时出现问题;django.db.utils.OperationalErro...

代码星球 ·2020-04-04

ng add ng-zorro-antd 安装时报错已经是管理员还需要权限Error: EPERM: operation not permitted, lstat 'C: gWorkspaceqd ode_modulesfsevents ode_modules'

Error:EPERM:operationnotpermitted,lstat'C:gWorkspaceqdode_modulesfseventsode_modules' ngaddng-zorro-antd-f　　fsevents这个依赖安装不上可以使用-f指令强制安装...

代码星球 ·2020-04-04

Linux下运行Java项目时，出现No X11 DISPLAY variable was set, but this program performed an operation which requires it.的问题解决

在~/.bashrc环境变量文件最下方加入：exportDISPLAY=:0.0然后，刷新环境变量以使其生效：source～/.bashrc参考：http://stackoverflow.com/questions/662421/no-x11-display-variable-what-does-it-mean...

代码星球 ·2020-04-04

Maven项目导入到Eclipse时Build出现the user operation is waiting for building workspace to complete的问题解决

解决办法如下：1.选择菜单栏的【Project】,然后把菜单栏中【BuildAutomatically】前面的对钩去掉。...

代码星球 ·2020-04-04

Ubuntu18.10 编译libevent出现错误： creating symbolic link XXXXXX : Operation not supported

今天在VirtualBox虚拟机下的Ubuntu18.10编译libevent源代码时，按照github中使用cmake方式：$mkdirbuild&&cdbuild$cmake…#DefaulttoUnixMakefiles.$make$makeverify#(optional)$makeinstal...

代码星球 ·2020-04-01

phpmailer发送邮件出现错误：stream_socket_enable_crypto(): SSL operation failed with code 1.

如果开了调试，调试进去会看到错误提示： [cpp] viewplain copy smtp_code:"stream_socket_enable_crypto(): SSL operation failed with code&n...

IT猿 ·2020-03-26

各种操作中心Operation Center一览

svn“Previous operation has not finished; run 'cleanup' if it was interrupted“报错的解决方法

ERROR EPERM: operation not permitted, mkdir 'C:UsersAdministratorDesktop ext uxtasic.nuxtcomponents'

mysql: Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '= 的解决

django.db.utils.OperationalError: (1071, 'Specified key was too long; max key length is 767 bytes')；

ssh报错No operations allowed after connection closed.Connection was implicitly clos

SVN异常，Previous operation has not finished; run 'cleanup' if it was interrupted

svn报错cleanup failed–previous operation has not finished; run cleanup if it was interrupted的解决办法

System.InvalidOperationException : 不应有 <Response xmlns=''>。

django.db.utils.OperationalError: (1050, "Table 'article_category' already exists")

ng add ng-zorro-antd 安装时报错 已经是管理员还需要权限Error: EPERM: operation not permitted, lstat 'C: gWorkspaceqd ode_modulesfsevents ode_modules'

Linux下运行Java项目时，出现No X11 DISPLAY variable was set, but this program performed an operation which requires it.的问题解决

Maven项目导入到Eclipse时Build出现the user operation is waiting for building workspace to complete的问题解决

Ubuntu18.10 编译libevent出现错误： creating symbolic link XXXXXX : Operation not supported

phpmailer发送邮件出现错误：stream_socket_enable_crypto(): SSL operation failed with code 1.

ERROR EPERM: operation not permitted, mkdir 'C:UsersAdministratorDesktop ext uxtasic.nuxtcomponents'

ng add ng-zorro-antd 安装时报错已经是管理员还需要权限Error: EPERM: operation not permitted, lstat 'C: gWorkspaceqd ode_modulesfsevents ode_modules'