去掉多余的回车符-java.lang.reflect.InvocationTargetExcep...-NET 的相关对比

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▪去掉多余的回车符去掉多余的回车符我们从 PDF 文件中，复制出来的文本，每一行都有一个回车符，这些回车符是多余的，不利于后续的再利用。因此，需要去掉。手工一个个的删除，.........

▪java.lang.reflect.InvocationTargetException（java.lang.StackOverflowError） HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception java.lang.reflect.InvocationTargetException sun.reflect.NativeMethodAccessorImpl.invo.........

▪NET 的相关对比 ADO Ado（Activex Data Objects）是一种程序对象用于表示用户数据库中的数据结构和所包含的数据，在VB的编译器中，可以使用ADO对象以及ADO的附加组件（ADOX)来创建或查询，检验数据库.........

[1]去掉多余的回车符

来源: 互联网发布时间: 2013-11-19

去掉多余的回车符

我们从 PDF 文件中，复制出来的文本，每一行都有一个回车符，这些回车符是多余的，不利于后续的再利用。因此，需要去掉。
手工一个个的删除，就显得力不人心了。这种事，正则表达式是最适合的了。
查找：
([\w]+)\r\n
替换成：
\1

作者：hadstj 发表于2013-1-13 17:00:59 原文链接

阅读：32 评论：0 查看评论

[2]java.lang.reflect.InvocationTargetException（java.lang.StackOverflowError）

来源: 互联网发布时间: 2013-11-19

HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

java.lang.reflect.InvocationTargetException
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	java.lang.reflect.Method.invoke(Unknown Source)
	com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:453)
	com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:292)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:255)
	org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)
	com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)
	org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
	com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:236)
	com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:236)
	com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:90)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
	com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:192)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)
	com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
	org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)
	org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:511)
	org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
	org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)

root cause

java.lang.StackOverflowError
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(FacultyService.java:30)
	Service.FacultyService.showClassrooms(F

[3]NET 的相关对比

来源: 互联网发布时间: 2013-11-19

ADO

Ado（Activex Data Objects）是一种程序对象

用于表示用户数据库中的数据结构和所包含的数据，在VB的编译器中，可以使用ADO对象以及ADO的附加组件（ADOX)来创建或查询，检验数据库或者访问外部数据源。还可以在代码中使用ADO来操作数据库的数据。

ADO对象总结

对象总结

对象

说明

Command

Command对象定义了将对数据源执行的指定命令。

Connection

代表打开的、与数据源的连接。

DataControl (RDS)

绑定Recordset到一个或多个控件上，以便在 Web页上显示数据。

DataFactory (RDS Server)

实现对客户端应用程序的指定数据源进行读/写数据访问的方法。

DataSpace (RDS)

创建客户端代理以便自定义位于中间层的业务对象。

Error

包含与单个操作（涉及提供者）有关的数据访问错误的详细信息。

Field