文档解释ORA-15281:notallspecifieddiskswerebroughtONLINECause:SomeofthedisksspecifiedeitherexperiencedI/OerrorswhilebeingbroughtONLINE,orweresimultaneouslybroughtOFF...

文档解释ORA-01541:systemtablespacecannotbebroughtoffline;shutdownifnecessaryCause:TriedtobringsystemtablespaceofflineAction:Shutdownifnecessarytodorecovery详细说明：ORA-...

1.fetchthesourcecode2.compilecontrolsproject3.copyfilesunderbinfolderofcontrolstobinfolderofcms(byxcopy)4.copyroslynfolderandfiletobinfolderofcms(byxcopy)5.comp...

C#InteractiveWalkthrough  ...

https://stackoverflow.com/questions/3010840/loop-through-an-array-in-javascript?page=1&tab=votes#tab-topUseasequential for loop:varmyStringArray=[...

https://developer.mozilla.org/en-US/docs/Learn/HTML/Forms/Sending_forms_through_JavaScriptAsinthepreviousarticle,HTMLformscansendanHTTPrequestdeclaratively.Butf...

ThisarticleshowsyouhowtodevelopaWindowsPresentationFoundation(WPF)desktopapplicationthatincludestheelementsthatarecommontomostWPFapplications:ExtensibleApplicat...

如下所示，PHP连接MySQL报错：SQLSTATE[HY000][2002]Can'tconnecttolocalMySQLserverthroughsocket'MySQL'(2)测试代码如下：<?phptry{$dsn='mysql:dbname=php-note;host=localhost;port=3...

(1)网上下载了一个android应用：死活用不了，查了以下，原来是androidstudio版本不对，于是把androidstudio的版本从2.2升级到3.0，后来发现没法升级，只能下载，跑到官网上把3.0下载下来，安装上;后来一直报错：Unabletotunnelthroughproxy.Proxyreturns...

最近更新了一下AndroidStudio（下文简写成AS），然后打开工程发现出现Error:Unabletotunnelthroughproxy.Proxyreturns"HTTP/1.1400BadRequest"，如图：什么鬼。几番折腾，终于知道原因了。直接写解决方案吧。1。打开设置2。依次选择图中的第一步，第二步...

导入项目的时候，一般会出现这种错误，因为我们的gradle版本，不对，所以默认AS导入后，回去下载你需要的gradle，所以很慢， 先打开：项目路径底下的gradlewrappergradle-wrapper.properties看了一下是distributionUrl=https://services.gr...

可能是/tmp/mysql.sock被删除 1. 查询my.cnf应该放的路径mysql--verbose--help|grepmy.cnf///etc/my.cnf/etc/mysql/my.cnf/usr/local/etc/my.cnf~/.my.cnf 2.选一个创建 s...

Byexecutingcodeonelineoronefunctionatatime,youcanobservechangesinthedataandinthepagetounderstandexactlywhatishappening.Youcanalsomodifydatavaluesusedbythescript...

 今天执行mysql操作的时候出现了错误：ERROR2002(HY000):Can'tconnecttolocalMySQLserverthroughsocket'/var/run/mysqld/mysqld.sock'问题 1：首先检查是否安装了mysql-server了  &...

canplaythrough事件定义和用法当浏览器预计能够在不停下来进行缓冲的情况下持续播放指定的音频/视频时，会发生canplaythrough事件。当音频/视频处于加载过程中时，会依次发生以下事件：loadstartdurationchangeloadedmetadataloadeddataprogresscanp...