C#调用c++的DLL报错:External component has thrown an exception, 也没有log产生,怎么回事那? [解决方法] 这是因为c++的程序报错了,而且没有catch,就报这个错误了.…

出现这种错误一般是在SQL语句执行前就报出的错误.这样的错误一般需要仔细检查SQL语句,以及参数的数据类型. 而在cmd.ExecuteNonQuery()中出现的错误,则很可能就排除了语法类的错误. public static int ExecuteSql(string strSQL, params OracleParameter[] commandParameters) { try { OpenConnection(); OracleCommand cmd = new OracleComma…

功能:读配置文件 java菜鸟:导入工程在报名处就开始报错,第一次遇到 import org.apache.commons.lang3.StringUtils; import org.apache.commons.configuration.ConfigurationException; package com.test; The type org.apache.commons.lang.exception.NestableException cannot be resolved. It is…

用VS2015中创建了一个非常简单的ASP.NET5程序: 在Startup.cs中只输入一行代码: using System; using Microsoft.AspNet.Builder; using Microsoft.AspNet.Http; namespace HellowAspNet5 { public class Startup { public void Configure(IApplicationBuilder app) { app.Run(context => context…

错误信息的弹出框…

http://rednaxelafx.iteye.com/blog/460893 (Disclaimer:如果需要转载请先与我联系. 作者:RednaxelaFX -> rednaxelafx.iteye.com) 系列文章: 要让CLR挂掉的话-- 要让CLR挂掉的话(第二弹)-- 前几天跟浩飞老兄闲聊的时候,聊到说一个不知道什么地方在面试人的时候,如果面试者说自己精通Java,他们就出题考面试者如何让JVM挂掉.这种面试方式或许是比较激进,不过倒也可以考考别人对特定JVM的实现的认识. 于是…

C#测试代码: using System; class Program { static void A() { try { Console.WriteLine("Throwing an exception"); throw new Exception("Did you catch it?"); } finally { Console.WriteLine("A.finally()"); } } static void B() { try { C()…

A benefit of using ASP.NET Web API is that it can be consumed by any client with the capability of making HTTP calls and processing JSON data. The client can use HTTP methods to perform Read/Write operations. They make use of HttpRequestMessage and H…

prcesssor在运行时,假设program counter的值为a0, a1, ... , an-1,每个ak表示相对应的instruction的地址.从ak到ak+1的变化被称为control transfer.一系列的control transfers被称为control flow. exceptions是指一些event,这些event表明当前的system.processor或executing program存在某些状况(详见1.2).exceptions会导致control fl…

https://www.javacodegeeks.com/2014/07/java-ee-concurrency-api-tutorial.html This is a sample chapter taken from the Practical Java EE 7 development on WildFlybook edited by Francesco Marchioni. This chapter discusses about the new Java EE Concurrency…