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Delphi/CppBuilder ADOM+设计篇意在测试com+的事务处理能否正确执行。 将组件安装后
ADOM+设计篇意在测试com+的事务处理能否正确执行。
将组件安装后，在组件服务中该com+组件的属性设置中将“激活”页的“启用对象池”选项选中，执行客户端程序调用上面这个方法，发现com+的事务机制不能正确执行，数据会写入数据库中。如果不选中“启用对象池”，则一切正常，数据并不会写到数据库中。
说明：Translation D ...
技术资料 基于单片机的智能安防装置的设计
为解决现有安防装置需人员全天候值守的问题,设计了基于单片机的智能安防装置,该装置采用单片机控制摄像头驱动模块驱动摄像头进行拍摄图片和影像,图片信息和影像上传至数据存储模块,单片机提取图片信息并通过通信模块将图片信息上传给特定终端。通过实例仿真结果分析,该装置能自动实时监控,且自动抓取并上传信息,无需人员值 ...
技术资料 matlab PST3 工具包及手册资料
matlab power system toolbox 第三版In power systems, a load flow study is performed to obtain a set of feasible steady state system conditions which obey certain system constraints. It requires that the system structure is specified together with the generators’ real powers and the system’s active ...
数值算法/人工智能 DAKOTA
Computational models are commonly used in engineering design and scientific discovery activities for simulating
complex physical systems in disciplines such as fluid mechanics, structural dynamics, heat transfer, nonlinear
structural mechanics, shock physics, and many others. These simulators can be ...
单片机编程 USB Demonstration for DK3200 w
The μPSD32xx family, from ST, consists of Flash programmable system devices with a 8032 MicrocontrollerCore. Of these, the μPSD3234A and μPSD3254A are notable for having a complete implementationof the USB hardware directly on the chip, complying with the Universal Serial Bus Specification, Revis ...
单片机编程 介绍C16x系列微控制器的输入信号升降时序图及特性
All inputs of the C16x family have Schmitt-Trigger input characteristics. These Schmitt-Triggers are intended to always provide proper internal low and high levels, even if anundefined voltage level (between TTL-VIL and TTL-VIH) is externally applied to the pin.The hysteresis of these inputs, howeve ...
软件设计/软件工程 32feet.NET 3.5 Bluetooth coding
32feet.NET is a shared-source project to make personal area networking technologies such as Bluetooth, Infrared (IrDA) and more, easily accessible from .NET code. Supports desktop, mobile or embedded systems. 32feet.NET is free for commercial or non-commercial use. If you use the binaries you ca ...
单片机编程 Input Signal Rise and Fall Tim
All inputs of the C16x family have Schmitt-Trigger input characteristics. These Schmitt-Triggers are intended to always provide proper internal low and high levels, even if anundefined voltage level (between TTL-VIL and TTL-VIH) is externally applied to the pin.The hysteresis of these inputs, howeve ...
接口技术 net_tcp.h
/*
*********************************************************************************************************
*                                             uC/TCP-IP V2
*       ...