SYSTEM.MESSAGE_LEVEL is used to control the messages that end users see when they use the Oracle Form's application. You can control to not to display simple warning messages or even error messages to display to users. The following  are message seve…

If you want to suppress error messages then you have to set a system variable :system.message_level. I use to set this system variable in a Pre-Form trigger. There is no restriction in using this variable. You can set it to difference values in each…

.net应用程序通过Oracle.DataAccess.dll访问64位的Oracle服务器,在连接时出现以下异常:“System.TypeInitializationException: The type initializer for 'Oracle.DataAccess.Client.OracleConnection' threw an exception. ---> Oracle.DataAccess.Client.OracleException: 提供程序与此版本的 Oracle 客户…

System.Data.OracleClient.dll方式操作oracle数据库 一.查询语句: using (OracleConnection conn = new OracleConnection(System.Configuration.ConfigurationManager.ConnectionStrings["local_Orcl"].ConnectionString)) { conn.Open(); using (OracleCommand cmd = conn.Cre…

If the mouse is in an item, SYSTEM.MOUSE_ITEM represents the name of that item as a CHAR value.For example, if the mouse is in Item1 in Block2, the value for SYSTEM.MOUSE_ITEM is :BLOCK2.ITEM1.SYSTEM.MOUSE_ITEM is NULL if:·  the mouse is not in an it…

One of my Ubuntu systems would pop up the following message multiple times after logging in: System program problem detected Do you want to report the problem now? It was really annoying as simply closing the messages would cause them to return after…

SYSTEM.CURSOR_BLOCK Determining current block in Oracle Forms Using SYSTEM.CURSOR_BLOCK system variable. The value that the SYSTEM.CURSOR_BLOCK system variable represents depends on the current navigation unit:If the current navigation unit is the bl…

早上在编写执行用例时,突然爆异常System.NullReferenceException: 未将对象引用设置到对象的实例 执行代码:…

很明显,以下的文字来自微软MSDN 链接http://msdn.microsoft.com/en-us/library/windows/desktop/ms681382(v=vs.85).aspx MSDN上分成了几个部分,查起来费事,统一放在这里了. 用kernel32.dll里的FormatMessage可以得到支持多语言的返回消息 有人把这些错误代码整理成了类,供参考 http://www.cnblogs.com/Sabre/p/3929264.html Note The informat…

查看ADDM(数据库版本为ORACLE 10.2.0.5.0)报告时,发现其中有个结论非常不靠谱:Significant virtual memory paging was detected on the host operating system,具体内容如下所示: FINDING 2: 100% impact (3930 seconds) ------------------------------------- Significant virtual memory paging was d…

System.ArgumentException The requested FontFamily could not be found [GDI+ status: FontFamilyNotFound] Description: HTTP 500.Error processing request. Details: Non-web exception. Exception origin (name of application or object): System.Drawing. Excep…

解决办法如下: 1.把原来的using System.Data.OracleClient;去掉 2.在oracle安装目录下找到Oracle.DataAccess.dll 添加引用:using Oracle.DataAccess.Client; 如果安装的是oracle 10g,那么在Visual Studio中没有注册dll,添加引用时找不到,11g的默认是注册的. 可以通过Windows自带的文件搜索功能到oracle安装目录里面去找, 提示:若oracle安装在D盘根目录,则dll文件的路…

转载内容 摘录部分我的笔记的中doc,和大家一起感受Oracle 11g在分区方面的增强--System Partitioning 系统分区的特点 ●系统分区与其他分区相比,一个最根本的区别就是不需要指定分区KEY值 ●数据会进入哪个分区由应用程序决定,实际上也就是由SQL来决定,在Insert语句中可以指定插入哪个分区 ●因为System Partitioning分区表没有分区字段,所以一般分区表的performance benefits对System Partitioning分区表不再适用(…

  原文  http://resources.infosecinstitute.com/system-address-map-initialization-x86x64-architecture-part-2-pci-express-based-systems/   This article is the second part of a series that clarifies PCI expansion ROM address mapping to the system address m…

In Java it is possible to restrict access to specific functions like reading/writing files and system properties, thread control, networking, object serialization and much more for the running application. Such restrictions may be crucial(重要的:决定性的:定局…

alter system register的用法 1 Static Registration via set the listener.ora2 Dynamic Instance Registration via the PMON At instance startup time, the PMON process will use this parameter to locate a listener andinform. it of the INSTANCE_NAME and SERVICE…

在 Arcgis Server 10中创建第一个程序,运行的时候就报错:System.Web.Services.Protocols.SoapException: Error processing server request 详细信息: Server Error in '/' Application. Error processing server request Description: An unhandled exception occurred during the execution…

客户遇到个DG的问题,存储使用的ASM管理,有多个磁盘盘. 在主库创建数据文件,备库自己主动创建的数据文件都在同一磁盘组,而且在主库创建数据文件是指定的是类似**.DBF的名字,到备库也变成了使用ASM的数字格式**.266.123456 这是由于使用了OMF特性. OMF,全称是Oracle_Managed Files,即Oracle文件管理. 使用OMF能够简化管理员的管理工作,不用指定文件的名字.大小.路径,其名字,大小,路径由oracle 自己主动分配.在删除不再使用的日志.数据.控制文…

unit Unit1; interface uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls; type TForm1 = class(TForm) CheckBox1: TCheckBox; CheckBox2: TCheckBox; But…

三天不写代码就手生! 把测试代码记录下来. unit Unit1; interface uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls; type TForm1 = class(TForm) Button1: TButton; Button2…

因为程序仅在个别机器上出现“ System.NullReferenceException”问题,而在其他机器上一切运行正常,所以认为是环境问题 具体错误信息如下: 2018-09-14 10:12:14,355 [1] A77450B89D5443928C58B6A81A3D40B7 - System.NullReferenceException: Object reference not set to an instance of an object. at ***.System.Window…

一.Demo一 解析嵌套数组 Json数据 {"code":1,"msg":"","data":{"GradeInfo":[{"gradeid":1,"gradename":"普通介绍人","graderate":0.02}],"UserList":[{"stype":"User…

The Hadoop Distributed File System (HDFS) is designed to store very large data sets reliably, and to stream those data sets at high bandwidth to user applications. In a large cluster, thousands of servers both host directly attached storage and execu…

转自 http://blog.csdn.net/njyxfw/article/details/7516143 今天一个同事问到我,有没动态注册监听的命令,查了下,找到了alter system register的用法 1 Static Registration via set the listener.ora2 Dynamic Instance Registration via the PMON At instance startup time, the PMON process will us…

#region 程序集 System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 // C:\Windows\Microsoft.NET\Framework\v2.0.50727\System.Windows.Forms.dll #endregion using System.Collections; using System.ComponentModel; using Syst…

A multiprocessor computer system is provided having a multiplicity of sub-systems and a main memory coupled to a system controller. An interconnect module, interconnects the main memory and sub-systems in accordance with interconnect control signals…

不多说,直接上干货! 一切来源于官网 http://kafka.apache.org/documentation/ Kafka as a Storage System kafka作为一个存储系统 Any message queue that allows publishing messages decoupled from consuming them is effectively acting as a storage system for the in-flight messages. Wh…

FIELD OF THE INVENTION The present invention is related to computing systems, and more particularly to a system and method for adjusting to changes in processor performance. BACKGROUND INFORMATION Designers of mobile computing platforms are faced wit…

The present invention relates to the field of security of electronic data and/or communications. In one form, the invention relates to data security and/or privacy in a distributed and/or decentralised network environment. In another form, the invent…

A trusted computer system that offers Linux® compatibility and supports contemporary hardware speeds. It is designed to require no porting of common applications which run on Linux, to be easy to develop for, and to allow the use of a wide variety of…