#you

ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

   MySQL5.7版本开始,增强密码验证机制,网上说安装的时候会在/root/.mysql_secret 文件中生成默认密码,这一点自5.7.6版本以后也去掉了。 针对如果生成默认密码,网上有一个版本,内容如下:1、修改配置文件,一般在 /etc/my.c...

mysql 更新sql报错:You can't specify target table 'wms_cabinet_form' for update in FROM clause

  数据库里面有两个字段的位置不对,要把他们对调换下。因为没有数据库写的权限,需要用sql语句来实现。原来以为简单的 updatetableaseta.字段a=(selectb字段fromtable whereid=?),seta.字段b=(selecta字段fromtablew...
代码星球 ·2020-04-05

Searching for a valid kernel header path... The path "" is not a valid path to the ***** kernel headers. Would you like to change it? [yes]

在centos6.5安装vmtools时候,解压包,mount挂载后,安装pl过程中报这个问题,半天没有解决,google后发现这样就行了 Iinstalledthekernel-develpackage,butitturnsoutthattheheaderswereforadifferentkernelve...
代码星球 ·2020-04-05

Android Studio:You need to use a Theme.AppCompat theme (or descendant) with this activity. AlertDialog

学习《第一行代码》的时候遇到的问题。 Process:com.example.sevenun.littledemo,PID:2085java.lang.RuntimeException:Unabletostartreceivercom.example.sevenun.littledemo.receiver.F...
代码星球 ·2020-04-05

Wamp错误: Forbidden You don't have permission to access / on this server.

找到php的配置文件httpd.conf(找不到的话看这篇:http://www.cnblogs.com/liulangmao/p/3569807.html)在原有的位置文件中找到配置节<Directory/>OptionsFollowSymLinksAllowOverrideNoneOrderdeny,a...

HikariCP 脑火Failed to obtain JDBC Connection: You need to run the CLI build and you need target/classes in your classpath to run.

测试了一下HikariCP连接池报错,无解十一月16,20175:31:59下午org.apache.catalina.core.StandardContextloadOnStartup严重:Servlet[InitTaskServlet]inwebapplication[]threwload()exceptionor...

Circular view path [home]: would dispatch back to the current handler URL [/home] again. Check your ViewResolver setup!

Circularviewpath[home]:woulddispatchbacktothecurrenthandlerURL[/home]again.CheckyourViewResolversetup!(Hint:Thismaybetheresultofanunspecifiedview,duetodefaultvi...

我的ImageIO.write ByteArrayOutputStream为什么这么慢?

File.createTempFile(prefix,suffix),创建一个临时文件,再使用完之后清理即可。但是遇到如下两个坑:Stringprefix="temp";Stringsuffix=".txt";FiletempFile=File.createTempFile(prefix,suffix);以上代码中,需...

VS代码段扩展Snippet Designer is a Visual Studio plug in which allows you to create and search for snippets inside the IDE

 https://visualstudiogallery.msdn.microsoft.com/803e021c-fce2-4637-a05d-bb078cffc492?SRC=VSIDE https://github.com/mmanela/SnippetDesigner ...

配置apache2.4 You don't have permission to access / on this server.

问题描述阿里云,云服务器ECS使用ip访问出现无法访问解决方法:设置安全组配置-》配置规则-》添加安全组规则选择http协议     设置成功后访问出现  Youdon'thavepermissiontoaccess/onthisserver.&nb...

从客户端(ASPxFormLayout1$txtRule="<YYYY><MM><DD><XXXX>")中检测到有潜在危险的 Request.Form 值

在有文本框的值属于这种时<YYYY><MM><DD><XXXX>,会报这个错在webconfig中加入<httpRuntimerequestValidationMode="2.0"/>就可以了...

发现一个直播录制工具you-get

地址:https://github.com/soimort/you-get截至到今天,支持的平台如下: SiteURLVideos?Images?Audios?YouTubehttps://www.youtube.com/✓  Twitterhttps://twitter.com/✓✓&n...

VMware 12安装CentOS 6.9时出现:The centos disc was not found in any of your drives.Please insert the centos disc and press OK to retry

错误:Thecentosdiscwasnotfoundinanyofyourdrives.PleaseinsertthecentosdiscandpressOKtoretry原因:由于使用的是VM,然后使用了光盘检测功能导致了光驱的状态断连了。解决方法:主要在一开始安装时,如下选择即可:如果不幸选择了OK,那么就直接右...

Maven错误:[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?的解决方法

错误:[ERROR]Nocompilerisprovidedinthisenvironment.PerhapsyouarerunningonaJREratherthanaJDK?解决方法:1、如果是Eclipse时,应该是安装好JDK后Eclipse默认使用的是JRE,所以只要调节回来即可。两种方式都可行:①②、2、如...

HADOOP:WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

   WARNutil.NativeCodeLoader:Unabletoloadnative-hadooplibraryforyourplatform...usingbuiltin-javaclasseswhereapplicable参考了网上很多办法,不行。这个警告总觉得不爽。。最近部...
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