#refer

MySQL Error number: 3577; Symbol: ER_CTE_RECURSIVE_REQUIRES_SINGLE_REFERENCE; SQLSTATE: HY000

文档解释Errornumber:3577;Symbol:ER_CTE_RECURSIVE_REQUIRES_SINGLE_REFERENCE;SQLSTATE:HY000Message:InrecursivequeryblockofRecursiveCommonTableExpression‘%s̵...

MySQL Error number: 3823; Symbol: ER_CHECK_CONSTRAINT_CLAUSE_USING_FK_REFER_ACTION_COLUMN; SQLSTATE: HY000

文档解释Errornumber:3823;Symbol:ER_CHECK_CONSTRAINT_CLAUSE_USING_FK_REFER_ACTION_COLUMN;SQLSTATE:HY000Message:Column‘%s’cannotbeusedinacheckconstraint&#...

MySQL Error number: MY-010706; Symbol: ER_NDB_BINLOG_RELEASING_EXTRA_SHARE_REFERENCES; SQLSTATE: HY000

文档解释Errornumber:MY-010706;Symbol:ER_NDB_BINLOG_RELEASING_EXTRA_SHARE_REFERENCES;SQLSTATE:HY000Message:NDBBinlog:Releaseextrasharereferences错误说明MySQL定义了一组动态错误代码,...

MySQL Error number: 3818; Symbol: ER_CHECK_CONSTRAINT_REFERS_AUTO_INCREMENT_COLUMN; SQLSTATE: HY000

文档解释Errornumber:3818;Symbol:ER_CHECK_CONSTRAINT_REFERS_AUTO_INCREMENT_COLUMN;SQLSTATE:HY000Message:Checkconstraint‘%s’cannotrefertoanauto-incrementc...

MySQL Error number: MY-011244; Symbol: ER_XPLUGIN_REFERENCE_TO_SECURE_CONN_WITH_XPLUGIN; SQLSTATE: HY000

文档解释Errornumber:MY-011244;Symbol:ER_XPLUGIN_REFERENCE_TO_SECURE_CONN_WITH_XPLUGIN;SQLSTATE:HY000Message:Formoreinformation,pleaseseetheUsingSecureConnectionswit...

accessed stale Global 0xcbc5f38a,JNI DETECTED ERROR IN APPLICATION: use of deleted global reference 0xcbc5f38a低级错误记录

一段时间不接触了jni开发了,jni里的方法返回jstring,就直接返回了诸如"success"之前的字符串,导致一直报这个错,正确的做法是:jstring的类型需要返回(*env)->NewStringUTF(env,"success")也就是说出现这个问题,原因就是jni作为中间层和java、c层的数据类型...

【ubuntu】首选项和应用程序命令(preference & application)

  gnome-control-center 系统设置 gnome-control-centerregion 键盘布局 gnome-control-centerscreen 屏幕 gnome-control-centerbackground...

referencedColumnName

InJPAthereisaanattributecalledreferencedColumnNamethatcanbeseton@JoinColumn,@PrimaryKeyJoinColumnwhatistheideabehindthissetting,cansomeongiveagoodexampleofwhere...
代码星球 代码星球·2021-02-21

Winform知识汇总之多次绑定DataGridView的DataSource会报错 NullReferenceExcepti

最近做了一个winform的项目,数据绑定在datagridview中,datagridview中的数据需要删除,分页,更新等之类的操作,所以就涉及到了datagridview的重新绑定问题,而且这些操作都是使用的多线程。问题:有的时候DataGridView的DataSource会报错NullReferenceExc...

Web Service无法加载协定为“ServiceReference1.xxxxxx”的终结点配置部分,因为找到了该协定的多个终结点配置。请按名称指示首选的终结点配置部分

WebService 无法加载协定为“ServiceReference1.xxxxxx”的终结点配置部分,因为找到了该协定的多个终结点配置。请按名称指示首选的终结点配置部分 原因是在web.config文件中多次引用了“添加外部引用” <system.serviceModel>...

eclipse Referenced file contains errors (http://www.springframework.org/schema/context/spring-context-3.0.xsd)

  1.情景展示  spring配置文件报错信息如下:Referencedfilecontainserrors(http://www.springframework.org/schema/context/spring-context-3.0.xsd).Formoreinformation,right...

xml出现Referenced file contains errors (https://www.springframework.org/schema/beans/spring-beans-4.3.xsd)

出现小红叉,提示Referencedfilecontainserrors(https://www.springframework.org/schema/beans/spring-beans-4.3.xsd).可能你的工具比较新,也有可能缺少标签:解决方案一:Window→Preferences →MyEcli...

解决 cannot find reference 'LSHForest' in '__init__.py'

 fromsklearn.neighborsimportLSHForest cannotfindreference'LSHForest'in'__init__.py'报错pip3list#查看sklearn版本号,我的是0.21,这个版本太高了可能改名字了或者其他原因sudopip3uninstall&nbs...

Unable to update auto-refresh reference 'microsoft.codedom.providers.dotnetcompilerplatform.dll'.

Unabletoupdateauto-refreshreference'microsoft.codedom.providers.dotnetcompilerplatform.dll'.Cannotfindassembly'D:JENKINS_HOMELISA6.0CMSSolutionpackagesMicrosoft...

website项目的reference问题

rightclickonwebsiteproject-->propertypagesdlldependency  Checkthetypecolumn,ifyouhavethe'BIN'.Thenaddthisdlltoanotherprojectreferencedbywebsite.&nb...
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