场景: 使用 Oracle.DataAccess.dll 访问数据库时,OracleDataAdapter 执行失败. 异常: System.AccessViolationException was unhandled  HResult=-2147467261  Message=Attempted to read or write protected memory. This is often an indication that other memory is corrupt.  Source…
昨天遇到一个比较奇怪的问题,运行VS2010调试程序的时候,总是会报一个错,然后程序就挂掉了:无可用源….,弹出一个窗口提示:System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt". 在网上搜索了好久也没有找到可以合适的解决方法,直到看到stackoverflow上一个帖子里的回复,…
1. Haskell的代码如下: 上面的代码中readMarkdown与writeHtmlString是pandoc中的函数,newString的作用是将String转换为IO CString. 2. C语言的代码如下: 上面的代码是dll的调用入口. 3. ghc编译出来的头文件如下: 4. C#调用代码如下: class Native { [DllImport("libpandoc", CallingConvention = CallingConvention.Cdecl, Cha…
c# 调用C++的dll报错 Attempted to read or write protected memory:   原因是:c# 传递Null的string值导致的,将Null改为string.empty即可…
今天,在运行Spark SQL代码的时候,遇到了以下错误: Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Task 3 in stage 50.0 failed 4 times, most recent failure: Lost task 3.3 in stage 50.0 (TID 9204, bjhw-feed-shunyi2513.bjhw.baidu.com, executor…
Described herein is a method and an apparatus for training a memory signal via an error signal of a memory. The method comprises transmitting from a memory controller a command-address (C/A) signal to a memory module; determining by the memory contro…
https://en.wikipedia.org/wiki/Memory_leak In computer science, a memory leak is a type of resource leak that occurs when a computer program incorrectly manages memory allocations[1] in such a way that memory which is no longer needed is not released.…
启动SQL Server 2008 Management Studio 工具菜单----选项----Designers(设计器)----阻止保存要求重新创建表的更改  取消勾选即可.…
启动SQL Server 2008 Management Studio 工具菜单----选项----Designers(设计器)----阻止保存要求重新创建表的更改  取消勾选即可.…
今天遇到的问题比较有意思.首先是很久没有打开测试数据库了,今天打开,使用service程序测试的时候出现下面的错误提示:Message: System.Data.SqlClient.SqlException: Login failed for user 'dcp_prod'.  Reason: The password of the account has expired.很明显,这个是因为密码失效了,dcp_prod这个账户使用了密码失效策略,打开数据库查看这个账户的属性,果然,Enforce…
今天用powerdesigner建了表模型,下面先说一下导出sql语句的步骤. 1.选项 2. 然后就报错了,下面说解决办法,很简单. 你没看错,把模型检查的√去掉就行了~~ 导出表名不带双引号的设置: 简单几步,记录一下~…
用windows验证方式进入Management Studio, 安全性 > 用户名 > 右击sa > 属性 > 把默认数据库选“master”…
Error: when click "New Database Diagram", a error popped up and said "Attempted to read or write protected memory. This is often an indication that other memory is corrupt. (Microsoft.VisualStudio.OLE.Interop)" Related Link: https://so…
[源码下载] 背水一战 Windows 10 (18) - 绑定: 与 Element 绑定, 与 Indexer 绑定, TargetNullValue, FallbackValue 作者:webabcd 介绍背水一战 Windows 10 之 绑定 与 Element 绑定 与 Indexer 绑定 TargetNullValue - 当绑定数据为 null 时显示的值 FallbackValue - 当绑定失败时显示的值 示例1.演示如何与 Element 绑定Bind/BindingEl…
介绍背水一战 Windows 10 之 绑定 与 Element 绑定 与 Indexer 绑定 TargetNullValue - 当绑定数据为 null 时显示的值 FallbackValue - 当绑定失败时显示的值 示例1.演示如何与 Element 绑定Bind/BindingElement.xaml <Page x:Class="Windows10.Bind.BindingElement" xmlns="http://schemas.microsoft.co…
最近一直被C#调用Haskell时的“尝试读取或写入受保护的内存”问题所困扰(详见C#调用haskell遭遇Attempted to read or write protected memory,C#调用haskell时的“尝试读取或写入受保护的内存”问题),而且困在其中,越陷超深,无法自拔,差点弃用C#解决我们面临的问题. 问题是这样的,只要在Haskell代码中对字符串进行操作,在C#调用时就会引发异常: An unhandled exception of type 'System.Acce…
系统debug时出现错误,System.AccessViolationException: 尝试读取或写入受保护的内存.这通常指示其他内存已损坏. Attempted to read or write protected memory. This is often an indication that other memory is corrupt 从网上查阅,大多都是说因为调用C++等dll等等,但系统中确实没有关于其他dll的调用,很是郁闷.最后查得设置配置参数即可. 解决办法: Tools…
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…
windows 修改 开机界面 boot启动界面 windows 修改 启动加载 版权 windows 系统如何修改开机画面的版权文字“Microsoft Corporation ... ◎Microsoft Corporation Microsoft Corporation 去掉 作者:韩梦飞沙 Author:han_meng_fei_sha 邮箱:313134555@qq.com E-mail: 313134555 @qq.com 通过16进制的编辑器(我用的是winhex)打开winloa…
[源码下载] 背水一战 Windows 10 (52) - 控件(集合类): ItemsControl - 自定义 ItemsControl, 自定义 ContentPresenter 作者:webabcd 介绍背水一战 Windows 10 之 控件(集合类 - ItemsControl) 自定义 ItemsControl(自定义 GirdView 使其每个 item 占用不同大小的空间) 自定义 ContentPresenter 实现类似 GridViewItemPresenter 和 Li…
有个程序总是在windows 2003 server 异常退出. 并且,  查看调用栈也肯奇怪, 应该是很正常的调用. 怀疑是堆溢出. 开启heap trace : C:\Program Files\Debugging Tools for Windows (x86)>gflags -i app.exe +ust +hpa 发现在Font.ToLogFont函数遇到: {"Attempted to read or write protected memory. This is often a…
win7 64位安装vs2013后连接远程数据库出现下面的问题:A first chance exception of type 'System.AccessViolationException' occurred in System.Data.dll Additional information: Attempted to read or write protected memory. This is often an indication that other memory is corru…
win7  64位安装vs2013后连接远程数据库出现下面的问题:A first chance exception of type 'System.AccessViolationException' occurred in System.Data.dll Additional information: Attempted to read or write protected memory. This is often an indication that other memory is corr…
here were various changes to memory related DMVs, DBCC memory status, and Perfmon counters in SQL Server 2012 as part of the redesign of the Memory Manager component of SQLOS. The Memory Manager redesign resulted in being able to more accurately size…
3.查看库表的最后mysql修改时间, 如果第一次新建的表可能还没有update_time,所以这里用了ifnull,当update_time为null时用create_time替代 select TABLE_SCHEMA, TABLE_NAME,ifnull(update_time , create_time) from information_schema.TABLES where TABLE_SCHEMA='table_name' order by ifnull(update_time ,…
http://duartes.org/gustavo/blog/post/how-the-kernel-manages-your-memory/ After examining the virtual address layout of a process, we turn to the kernel and its mechanisms for managing user memory. Here is gonzo again: Linux processes are implemented…
Complete list of Microsoft SQL Server trace flags (585 trace flags) REMEMBER: Be extremely careful with trace flags, test in your test environment first. And consult professionals first if you are the slightest uncertain about the effects of your cha…
Basic Memory Structures The basic memory structures associated with Oracle Database include: System global area (SGA) The SGA is a group of shared memory structures, known as SGA components, that contain data and control information for one Oracle Da…
A method for allowing a protected mode kernel to service, in virtual 8086 mode, hardware interrupts which occur during execution of ring 0 protected mode code. When an interrupt occurs during execution of ring 0 code, the microprocessor copies the st…
BACKGROUND INFORMATION Various mechanisms exist for managing memory in a virtual machine environment. A virtual machine platform typically executes an underlying layer of software called a virtual machine monitor (VMM) which hosts one to many operati…