Mysql报错： ERROR 1290 (HY000): The MySQL server is running with the --secure-file-priv option so it cannot execute this statement
解决方法一：报错：ERROR1290(HY000):TheMySQLserverisrunningwiththe--secure-file-privoptionsoitcannotexecutethisstatement 二：分析：MySQL对于导入导出的目录是有限制的，只允许指定的目录才能导入导出。secu...
Server-Side Rendering (SSR) 与 Static Site Generation (SSG)
Server-SideRendering(SSR) 和 StaticSiteGeneration(SSG) 都是优化页面加载速度和SEO的重要技术。 - Next.js:一个React框架，支持SSR和SSG。- Nuxt.js:一个Vue.js框架，支持SS...
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...
Java Not InstanceOf
InstanceOf 关键字检查引用变量是否包含给定的对象引用类型。它返回布尔类型，所以我们也可以否定它们。本教程演示如何在Java中否定 InstanceOf 或使用 NotInstanceOf。instanceof 返回一个布尔值，因此否定它将返回 fal...
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source rejected establishment of connection, message from server: Too many connections
最简单的办法是因为你的my.ini中设定的并发连接数太少或者系统繁忙导致连接数被占满解决方式：打开MySQL安装目录打开MY.INI找到max_connections默认是100.--实例WINDOWS解决mysql Errno.:1040错误XXXXinfo:CannotconnecttoMySQLserv...
ORA-26028: index string.string initially in unusable state
文档解释ORA-26028:indexstring.stringinitiallyinunusablestateCause:AnindexisinIUstatepriortothebeginningofadirect*pathload,itcannotbemaintainedbytheloader.Action:Eit...
ORA-38496: Expression Filter index is not in a valid state
文档解释ORA-38496:ExpressionFilterindexisnotinavalidstateCause:AnattemptwasmadetoREBUILDanExpressionFilterindexthatwasnotvalid.Action:UseDEFAULTkeywordintheparamete...
ORA-64110: XMLIndex: problems encountered during the gathering of statistics
文档解释ORA-64110:XMLIndex:problemsencounteredduringthegatheringofstatisticsCause:Seeassociatederrormessage.Action:Correcttheerrorandretrycommand.ORA-64110是Oracle数据...