“ORA-06550: 第 1 行, 第 7 列”解决方法
将本机能正常运行的维修生产日志代码发布到公司内测环境里无法正常运行,报错如下:
execute() - pls–QuartzJob.java–quartzjob 开始执行!
java.sql.SQLException: ORA-06550: 第 1 行, 第 7 列:
PLS-00201: identifier ‘MONITORCHANGEPLS.MCP_ISCHANGE’ must be declared
ORA-06550: 第 1 行, 第 7 列:
PL/SQL: Statement ignored
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:331)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:288)
at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:743)
at oracle.jdbc.driver.T4CCallableStatement.doOall8(T4CCallableStatement.java:215)
at oracle.jdbc.driver.T4CCallableStatement.executeForRows(T4CCallableStatement.java:954)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1168)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3285)
at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:3329)
at com.szair.smartme.productlogsys.dao.LogEditDao85.doInHibernate(LogEditDao.java:3310)atorg.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:406)atorg.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:339)atcom.szair.smartme.productlogsys.dao.LogEditDao.getChangeValue(LogEditDao.java:3288)atcom.szair.smartme.productlogsys.dao.LogEditDao85.doInHibernate(LogEditDao.java:3310)atorg.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:406)atorg.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:339)atcom.szair.smartme.productlogsys.dao.LogEditDao.getChangeValue(LogEditDao.java:3288)atcom.szair.smartme.productlogsys.dao.LogEditDaoFastClassByCGLIBFastClassByCGLIBec6980fb.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)atorg.springframework.aop.framework.Cglib2AopProxyec6980fb.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)atorg.springframework.aop.framework.Cglib2AopProxyCglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:689)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.Cglib2AopProxyDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)atcom.szair.smartme.productlogsys.dao.LogEditDaoDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)atcom.szair.smartme.productlogsys.dao.LogEditDaoEnhancerByCGLIBEnhancerByCGLIBe33f2ad0.getChangeValue()atcom.szair.smartme.productlogsys.service.LogeditServer.getChangeValue(LogeditServer.java:1224)atcom.szair.smartme.productlogsys.service.LogeditServere33f2ad0.getChangeValue()atcom.szair.smartme.productlogsys.service.LogeditServer.getChangeValue(LogeditServer.java:1224)atcom.szair.smartme.productlogsys.service.LogeditServerFastClassByCGLIBFastClassByCGLIBa3f1c07d.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)atorg.springframework.aop.framework.Cglib2AopProxya3f1c07d.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)atorg.springframework.aop.framework.Cglib2AopProxyCglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:689)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.Cglib2AopProxyDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)atcom.szair.smartme.productlogsys.service.LogeditServerDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)atcom.szair.smartme.productlogsys.service.LogeditServerEnhancerByCGLIBEnhancerByCGLIBf4a0e4fa.getChangeValue()atcom.szair.smartme.productlogsys.service.QuartzJob.execute(QuartzJob.java:60)atcom.szair.smartme.productlogsys.service.QuartzJobf4a0e4fa.getChangeValue()atcom.szair.smartme.productlogsys.service.QuartzJob.execute(QuartzJob.java:60)atcom.szair.smartme.productlogsys.service.QuartzJobFastClassByCGLIBFastClassByCGLIB29dcb96e.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)atorg.springframework.aop.framework.Cglib2AopProxy29dcb96e.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)atorg.springframework.aop.framework.Cglib2AopProxyCglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:689)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.Cglib2AopProxyDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)atcom.szair.smartme.productlogsys.service.QuartzJobDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)atcom.szair.smartme.productlogsys.service.QuartzJobEnhancerByCGLIBEnhancerByCGLIBc475e8c1.execute()atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)atjava.lang.reflect.Method.invoke(Method.java:606)atorg.springframework.util.MethodInvoker.invoke(MethodInvoker.java:273)atorg.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBeanc475e8c1.execute()atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)atjava.lang.reflect.Method.invoke(Method.java:606)atorg.springframework.util.MethodInvoker.invoke(MethodInvoker.java:273)atorg.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBeanMethodInvokingJob.executeInternal(MethodInvokingJobDetailFactoryBean.java:311)
at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:113)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529)
execute() - pls–QuartzJob.java–execute() - 没有更新的数据!
在网上查询资料,有用的建议如下:
1 ,
http://www.th7.cn/program/java/201510/620030.shtml
我自己在做 Oracle 存储过程 结果集 练习时碰到的问题!
我开始是plsql developer 工具建立的存储空间,但是查看属性是 owner 是 sys
但是在java代码中确显示以上错误。
原因是 权限问题 。
解决方法 :把上面这个 存储过程 删掉;然后打开Oracle 自带的 sql plus (用java代码中调用都用户名登陆Oracle 不是sys)把建立存储过程的代码直接粘贴过去,这样你在 执行java代码就OK了!
2,
http://bbs.csdn.net/topics/390100723
2.1 因为包的拥有者和你程序中连接数据库的用户不一。 比如包的拥有者用户为m ,而你程序连接数据库的用户为t.
这样的话t用户是访问不了 m 用户下的包。 需要创建同义词,赋予执行权限.
2.2 我遇到过,是因为数据表与包建立在sysdba权限状态下,所以普通权限访问不了,希望能帮到你
之后我就将oracle数据库中原本我自己新建的那个包及下面的存储过程删除,准备重新新建一个,就在这个过程中,本地程序一直在跑,在删除包还没新建之前,控制台报错:
execute() - pls–QuartzJob.java–quartzjob 开始执行!
java.sql.SQLException: ORA-06550: 第 1 行, 第 7 列:
PLS-00201: identifier ‘MONITORCHANGEPLS.MCP_ISCHANGE’ must be declared
ORA-06550: 第 1 行, 第 7 列:
PL/SQL: Statement ignored
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:331)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:288)
at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:743)
at oracle.jdbc.driver.T4CCallableStatement.doOall8(T4CCallableStatement.java:215)
at oracle.jdbc.driver.T4CCallableStatement.executeForRows(T4CCallableStatement.java:954)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1168)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3285)
at oracle.jdbc.driver.OraclePreparedStatement.__xr__14__executeQuery(OraclePreparedStatement.java:3329)
at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.__invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.zeroturnaround.xrebel.runtime.oracle.jdbc.driver.OraclePreparedStatementinv14____xr__14__executeQuery.invoke(OraclePreparedStatementinv14____xr__14__executeQuery.invoke(OraclePreparedStatementinv14____xr__14__executeQuery.java)
at com.zeroturnaround.xrebel.analyzer.XRPreparedStatementSpy.invoke(XRebel:43)
at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java)
at com.szair.smartme.productlogsys.dao.LogEditDao85.doInHibernate(LogEditDao.java:3310)atorg.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:406)atorg.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:339)atcom.szair.smartme.productlogsys.dao.LogEditDao.getChangeValue(LogEditDao.java:3288)atcom.szair.smartme.productlogsys.dao.LogEditDao85.doInHibernate(LogEditDao.java:3310)atorg.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:406)atorg.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:339)atcom.szair.smartme.productlogsys.dao.LogEditDao.getChangeValue(LogEditDao.java:3288)atcom.szair.smartme.productlogsys.dao.LogEditDaoFastClassByCGLIBFastClassByCGLIBec6980fb.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)atorg.springframework.aop.framework.Cglib2AopProxyec6980fb.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)atorg.springframework.aop.framework.Cglib2AopProxyCglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:692)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.Cglib2AopProxyDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:625)atcom.szair.smartme.productlogsys.dao.LogEditDaoDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:625)atcom.szair.smartme.productlogsys.dao.LogEditDaoEnhancerByCGLIBEnhancerByCGLIB7c34ab1d.getChangeValue()atcom.szair.smartme.productlogsys.service.LogeditServer.getChangeValue(LogeditServer.java:1224)atcom.szair.smartme.productlogsys.service.LogeditServer7c34ab1d.getChangeValue()atcom.szair.smartme.productlogsys.service.LogeditServer.getChangeValue(LogeditServer.java:1224)atcom.szair.smartme.productlogsys.service.LogeditServerFastClassByCGLIBFastClassByCGLIBa3f1c07d.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)atorg.springframework.aop.framework.Cglib2AopProxya3f1c07d.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)atorg.springframework.aop.framework.Cglib2AopProxyCglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:692)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.Cglib2AopProxyDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:625)atcom.szair.smartme.productlogsys.service.LogeditServerDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:625)atcom.szair.smartme.productlogsys.service.LogeditServerEnhancerByCGLIBEnhancerByCGLIB4258661f.getChangeValue()atcom.szair.smartme.productlogsys.service.QuartzJob.execute(QuartzJob.java:60)atcom.szair.smartme.productlogsys.service.QuartzJob4258661f.getChangeValue()atcom.szair.smartme.productlogsys.service.QuartzJob.execute(QuartzJob.java:60)atcom.szair.smartme.productlogsys.service.QuartzJobFastClassByCGLIBFastClassByCGLIB29dcb96e.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)atorg.springframework.aop.framework.Cglib2AopProxy29dcb96e.invoke()atnet.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)atorg.springframework.aop.framework.Cglib2AopProxyCglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:692)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.Cglib2AopProxyDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:625)atcom.szair.smartme.productlogsys.service.QuartzJobDynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:625)atcom.szair.smartme.productlogsys.service.QuartzJobEnhancerByCGLIBEnhancerByCGLIB41170d0.execute()
at sun.reflect.GeneratedMethodAccessor123.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.__invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.util.MethodInvoker.invoke(MethodInvoker.java:273)
at org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean41170d0.execute() at sun.reflect.GeneratedMethodAccessor123.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.__invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.springframework.util.MethodInvoker.invoke(MethodInvoker.java:273) at org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBeanMethodInvokingJob.executeInternal(MethodInvokingJobDetailFactoryBean.java:264)
at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529)
execute() - pls–QuartzJob.java–execute() - 没有更新的数据!
对比可以发现,两者报的错几乎是一样,说明测试环境里报错就是因为无法访问到数据库里的包及下面的存储过程。
最后经检查,发现测试环境里的datasource设置的用户名和本机不一致,所以才访问不到其他账号建立的存储过程。本机配置是前几天才从测试库上down下来的,谁知道没几天就被别人改了,而且还没被告知,以后需小心。
“ORA-06550: 第 1 行, 第 7 列”解决方法的更多相关文章
- Oracle 多行变一列的方法
多行变一列的方法有很多,觉得这个第一眼看懂了当时就用的这个办法. 情况是这样的.以下数据前几列是一样的,需要把VAT_VALUE_CHAR 的值放在同一行上. SELECT * FROM ps_vat ...
- Mysql命令行中文乱码的解决方法
环境:Windows 8 64位,Mysql 5.0.96 for Win64 (x86) 数据库本身安装时默认已经是使用utf8编码的了,但在命令行中执行查询时,查询到的中文依然乱码,解决方法如下 ...
- 使用 vi/vim 时,粘贴进新创建文件或空文件的首行内容丢失的解决方法
只需要进入插入模式后,回车空一行或几行,再粘贴,再把上面的几个空行back回去,就不会丢失首行的内容了.
- [No000018E]Vim快速跳转任意行、任意列以及高亮显示当前行、当前列方法-Vim使用技巧(3)
vim提供了丰富的快速跳转任意行.任意列的方法,方便高效地移动光标,定位文件位置. 一.Vim行跳转 使用vim查看文件时,使用以下命令可以快速跳转文件首.尾行,方便对整个文件有个全局把握. 1.1 ...
- SQL Server创建表超出行最大限制解决方法
问题的现象在创建表A的时候,出现“信息 511,级别 16,状态 1,第 5 行 无法创建大小为 的行,该值大于允许的最大值 8060.”的信息提示.很奇怪,网上查了一下,是因为要插入表的数据类型的 ...
- 如何获取ResultSet的行数和列数
当我们执行数据库查询返回一个ResultSet的时候,很多情况下我们需要知道这个ResultSet的大小,即它的行数和列数.我们知道它的列数可以通过resultSet.getMetaData().ge ...
- MYSQL 多行转多列
mysql 行变列(多行变成一行/多行合并成一行/多行合并成多列/合并行),我觉得这都是一个意思 数据库结构如图: 而我想让同一个人的不同成绩变成此人在这一行不同列上显示出来,此时分为2中展现: 第一 ...
- LayoutControl让一个控件占据多行或者多列
拖动一个layoutcontrol到form上之后,会自动附带一个layoutgroup 设置layoutgroup的layoutmode为table 设置layoutgroup的OptionsTab ...
- StringGrid 实例2:1、获取 StringGrid 的行数、列数; 2、给单元赋值.
实例2: 本例功能: 1.获取 StringGrid 的行数.列数; 2.给单元赋值. 运行效果图:
随机推荐
- HTML的简介
1.HTML语言是做显示用的.HTML文件由浏览器来转译执行.(全站工程师:全都会.) 2.静态网页由HTML(显示).CSS(修饰).JAVAScript(简单交互)三种元素构成.3.动态网页:数据 ...
- pyqt5 点开小窗口
# -*- coding: utf-8 -*- import sys from PyQt5.QtWidgets import * from PyQt5.QtCore import * class Fi ...
- modelform save
ModelForm表单 save()方法 每一个ModelForm都有一个save()方法,这个方法可以更具绑定的form表单创建并且保存一个数据库对象,ModelForm的子类可以接受一个model ...
- zabbix 监控Nginx和PHP
原理 Nginx和PHP(5.3及以上版本)都自带了一个状态页,默认没有开启,通过开启这个状态页即可获取实时的工作状态. Nginx状态获取 Nginx的配置默认是拒绝通过IP来访问,我们可以再默认虚 ...
- VMware环境安装MacOS
环境: win10专业版 VMware 14 Pro 开始吧 1. 停止服务 2. 解压并管理员权限运行unlocker,目的是使得 win10 环境下的 VMWare14Pro 支持 mac 系统的 ...
- rocketmq消息重复推送的问题
最近,在公司的测试环境,遇到个问题,每次重启应用重启后,原来消费过的消息又被重复推送了一遍,消费者和生产者代码如下: package com.tf56.queue.client; import jav ...
- Merge git repo into branch of another repo
git 两个repo merge You can't merge a repository into a branch. You can merge a branch from another rep ...
- Java类型信息
一.引言 最近在阅读<Java编程思想>,学习一下java类型信息,现在做一下总结.Java如何让我们在运行时识别对象和类的信息的.主要有两种方式:一种是传统的“RTTI”,它假定我们在编 ...
- STL相关问题
写set容器遇到以下问题: C:\Users\admin\Desktop\未命名2.cpp In function 'int main()': 67 98 C:\Users\admin\Desktop ...
- Codeforces 235C Cyclical Quest - 后缀自动机
Some days ago, WJMZBMR learned how to answer the query "how many times does a string x occur in ...