#per

ORA-40219: apply result table string is incompatible with current operation

文档解释ORA-40219:applyresulttablestringisincompatiblewithcurrentoperationCause:Thecurrentoperationwasnotallowedfortheapplyresulttablesupplied.Action:Makesuretheope...

ORA-56864: Master Diskmon “stringstring” operation cannot complete because of a LIBCELL network error

文档解释ORA-56864:MasterDiskmon“stringstring”operationcannotcompletebecauseofaLIBCELLnetworkerrorCause:ALIBCELLoperationbetweenMasterDiskmonandaCELLfail...

ORA-21604: property [string] is not a property of transient or value instances

文档解释ORA-21604:property[string]isnotapropertyoftransientorvalueinstancesCause:Tryingtogetapropertywhichappliesonlytopersistentobjects.Action:Usershouldchecktheli...

ORA-13712: Cannot perform ADDM analysis on AWR snapshots from previous releases. Snapshot version “string” do not match the database version “string”.

文档解释ORA-13712:CannotperformADDManalysisonAWRsnapshotsfrompreviousreleases.Snapshotversion“string”donotmatchthedatabaseversion“string”.Ca...

ORA-29890: specified primary operator does not have an index context

文档解释ORA-29890:specifiedprimaryoperatordoesnothaveanindexcontextCause:Theprimaryoperatordoesnothaveanindexandscancontexts.Action:Createtheprimaryoperatorwithacon...

ORA-32136: Cannot perform operation on an invalid stream

文档解释ORA-32136:CannotperformoperationonaninvalidstreamCause:TheLOB/FILEfromwhichthestreamwasobtainedhadbeennullifiedordestroyed.Action:Useavalidstream.这是一个Oracle...

ORA-12712: new character set must be a superset of old character set

文档解释ORA-12712:newcharactersetmustbeasupersetofoldcharactersetCause:WhenyouALTERDATABASE…CHARACTERSET,thenewcharactersetmustbeasupersetoftheoldcharacterset...

debugging Visual Studio 2022调试数据表可视化工具时出错-缺少NewtonsoftSerializationHelper.dll或依赖项

我已将Visualstudio2022从以前的版本升级到最新的更新版本17.7.4。从那时起,在调试期间尝试可视化C#DataTable时,我收到错误“Visualizer中的内部错误”。简单文本Visualizer工作正常,但DataVisualizer不正常。我尝试修复VisualStudi...

MailHelper

using System;using System.Collections.Concurrent;using System.Collections.Generic;using System.Collections.ObjectModel;using System.Com...
开发笔记 ·2024-09-29

Uncaught TypeError: Cannot read properties of undefined (rea

vue页面UncaughtTypeError:Cannotreadpropertiesof undefined (reading‘install’)报错,页面全空白。然后发现是自己写的指令全局引用的原因使用了export导出export{preventReClick}复制代码...

Web Performance Optimization

WebPerformanceOptimization 技术不断演进,包括: - LazyLoading:延迟加载非必要的资源,提升页面加载速度。- CodeSplitting:将代码拆分成更小的部分,按需加载。- HTTP/3:新一代HTTP协议,提升了网络传输性能和安...
开发笔记 ·2024-08-31

springboot配置properties

springboot配置properties时,属性值是中文乱码情况处理方式方法...
开发笔记 ·2024-08-27

C语言toupper()函数:将字符转换成大写

头文件和函数原型#include<ctype.h>inttoupper(intc);C描述toupper()是C语言标准库中的一个函数,用于将一个字符转换成对应的大写形式;返回值如果传入的字符参数是一个小写字母,toupper()函数会返回其对应的大写字母;如果参数不是小写字母,则原封不动的返回;这个示例将...

mysql innodb 独立表空间 innodb_file_per_table

5.6.6以上版本默认开启my.cnfinnodb_file_per_table=ON;命令行setglobalinnodb_file_per_table=ON;查看showvariableslike'%per_table%';...

spring中mapper层是什么意思?

mapper层的作用是对数据库进行数据持久化操作,他的方法语句是直接针对数据库操作的现在用mybatis逆向工程生成的。mapper层,其实就是dao层,主要是做数据持久层的工作,负责与数据库进行联络的一些任务都封装在此。...
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