The主题的文章列表，还有The的技术要点_第131页

The user specified as a definer ('root'@'%') does not exist的解决方法

Theuserspecifiedasadefiner('root'@'%')doesnotexist的主要是由于对视图的操作没有相关权限解决方法：用NavicatPremium打开MySQL连上数据库后权限问题，授权给root所有sql权限mysql>grantallprivilegeso...

代码星球 ·2020-08-10

FATAL ERROR: please install the following Perl modules before executing /usr/bin/mysql_install_db:

报错：FATALERROR:pleaseinstallthefollowingPerlmodulesbeforeexecuting/usr/bin/mysql_install_db: 解决办法：安装autoconf依赖yuminstallautoconf-y　　　　...

代码星球 ·2020-08-09

prometheus 通过命令热加载

[root@monitorprometheus]#curl-XPOSTlocalhost:9090/-/reloadLifecycleAPIisnotenabled. 添加--web.enable-lifecycle ...

代码星球 ·2020-08-09

prometheus 监控redis集群

下载采集端https://github.com/oliver006/redis_exporterprometheus配置-job_name:'redis_exporter_targets'static_configs:-targets:-redis://10.23.215.214:6379-redis://10.23....

代码星球 ·2020-08-09

反射调用发生错误信息 LoadNeither

错误信息：Servicecannotbestarted.System.Reflection.TargetInvocationException:Exceptionhasbeenthrownbythetargetofaninvocation.--->System.InvalidOperationException:...

代码星球 ·2020-08-09

Mybatis 异常: The content of elements must consist of well-formed character data or markup

原因很简单：在ibatis的配置文件中不能出现小于号（>） <deleteid="deleteByPrimaryKey"parameterType="java.lang.String"> delet...

代码星球 ·2020-08-09

Gaussian Mixture Models and the EM algorithm汇总

作者：凯鲁嘎吉-博客园 http://www.cnblogs.com/kailugaji/http://blog.pluskid.org/?p=39http://freemind.pluskid.org/machine-learning/regularized-gaussian-covariance-esti...

代码星球 ·2020-08-09

SGU 202 The Towers of Hanoi Revisited (DP+递归)

转载请注明出处，谢谢http://blog.csdn.net/ACM_cxlove?viewmode=contents by---cxlove题意：n个圆盘，m个柱子的汉诺塔输出步骤。http://acm.sgu.ru/problem.php?contest=0&problem...

代码星球 ·2020-08-09

1060 Are They Equal (25分)

Ifamachinecansaveonly3significantdigits,thefloatnumbers12300and12358.9areconsideredequalsincetheyarebothsavedas 0 withsimplechopping.Nowgiventhenumber...

代码星球 ·2020-08-09

1055 The World's Richest (25分)(水排序)

Forbesmagazinepublisheseveryyearitslistofbillionairesbasedontheannualrankingoftheworld'swealthiestpeople.Nowyouaresupposedtosimulatethisjob,butconcentrateonlyon...

代码星球 ·2020-08-09

1054 The Dominant Color (20分)(水)

Behindthescenesinthecomputer'smemory,colorisalwaystalkedaboutasaseriesof24bitsofinformationforeachpixel.Inanimage,thecolorwiththelargestproportionalareaiscalled...

代码星球 ·2020-08-09

1038 Recover the Smallest Number (30分)(贪心)

Givenacollectionofnumbersegments,youaresupposedtorecoverthesmallestnumberfromthem.Forexample,given{32,321,3214,0229,87},wecanrecovermanynumberssuchlike32-321-32...

代码星球 ·2020-08-09

1012 The Best Rank (25 分)

ToevaluatetheperformanceofourfirstyearCSmajoredstudents,weconsidertheirgradesofthreecoursesonly: C -CProgrammingLanguage, M -Mathematics(Cal...

代码星球 ·2020-08-09

SQLSERVER事务日志已满 the transaction log for database 'xx' is full

解决办法：清除日志USE[master]GOALTERDATABASEDNNameSETRECOVERYSIMPLEWITHNO_WAITGOALTERDATABASEDNNameSETRECOVERYSIMPLE--简单模式GOUSEDNNameGODBCCSHRINKFILE(N'DNName_Log',11,TR...

代码星球 ·2020-08-09

An error occurred while updating the entries. See the inner exception for details.

EF插入或更新数据时出现错误提示：Anerroroccurredwhileupdatingtheentries.Seetheinnerexceptionfordetails.的解决办法。原因一：数据库字段类型为datetime已设置默认值（getdate()）.但EF插入和更新的时候是没有主动设置其值，程序自动赋值为&...

代码星球 ·2020-08-09