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job
有m台不同的机器，n个不同的工件。每个工件有多道工序，每道工序由指定的机器在固定的时间内完成。一道工序一旦开始处理，就不能中断。每台机器一次只能处理一道工序。一个调度就是决定每台机器上工序的处理顺序，使得机器完成所有工件的时间最短。具体的，该问题就是要求在满足（1）、（2）两个约束条件的前提下，确定每台机器上工序的顺序，使加工的时间跨度（从开始加工到全部工件都加工完所需要的时间）达到最小。其中，（1）表示工件约束条件：对每个工件而言，机器对它的加工路线是事先确定的；（2）表示机器约束条件：对每台机器而言，一次只能对一道工序进行加工。()
- 2007-09-18 23:30:48下载
- 积分：1
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用c#写的一个贫困生管理系统，几乎实现了所以信息管理系统的功能，代码清晰，对初学者很有帮助。可以直接调试运行...
用c#写的一个贫困生管理系统，几乎实现了所以信息管理系统的功能，代码清晰，对初学者很有帮助。可以直接调试运行-used to write c# poor students of a management system, almost achieved so MIS functions, code clear and helpful for beginners. Debugging can run
- 2022-03-24 11:17:34下载
- 积分：1
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SilverTreeContainer
老外写的在WPF下显示树状结构的控件，包括 GraphLayout和Panel。(This article includes two very different basic assemblies and a couple of test assemblies for WPF. The first basic assembly is GraphLayout which implements the Reingold-Tilford algorithm, described here, to determine the placement of nodes in a tree structure. This tree is structured as a top down tree with the root at the top and the leaves at the bottom. This algorithm is entirely independent of any actual drawing of those nodes and so can be used for any purpose where such positioning is required. It includes options for vertical justification for nodes, collapsing of nodes, distance between sibling nodes and distance between non-sibling nodes. This assembly is not WPF specific and could easily be used to produce a GDI+ tree drawer (though I haven t included any here). It also includes a list of endpoints for lines which can be drawn as connectors between nodes. Currently, these lines are simply straight lines from the bottom center of the parent node to the top center of the child )
- 2014-02-14 09:07:42下载
- 积分：1
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Modbus协议源码
1 关于Modbus底层协议的源码，包括各种校验方法，数据长度校验等等。
2 对深入了解该协议有不错的帮助。希望可以帮助更多的人。
- 2022-02-05 11:40:47下载
- 积分：1
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Line
DDA直线绘制程序实现，可以是任意的直线。(DDA line drawing program, a straight line can be arbitrary.)
- 2009-07-10 20:15:31下载
- 积分：1
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Dot-Matrix-LED
编写程序，通过8255 单元控制点阵的扫描显示，使8×8LED 点阵到小循环显示号
“□”(Programming, through the 8255 unit control the scanning dot matrix display, the 8 × 8LED dot matrix display number to small cycles " □" )
- 2011-06-13 10:39:55下载
- 积分：1
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SZZS(andriod_level)
android安卓版水准测量数据记录电子手薄程序，可平差及导出数据，可导入例子数据等功能。(android Andrews version of the standard measurement data recording electronic hand book program, you can export data and adjustment, can import example data and other functions.)
- 2016-04-30 14:28:22下载
- 积分：1
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eps01-17.10.18
说明： EPS control C 电机控制器源程序，工程使用代码(EPS control C source program;)
- 2020-06-01 15:16:52下载
- 积分：1
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C++andC
程序员面试的必要宝典，《高质量编程C++》林锐编著，一般的公司笔试题目都从里面出。(programmers the necessary interviews, the book "high-quality programming C" LIN compile, Most enterprises are subject written from the inside out.)
- 2006-12-11 22:32:48下载
- 积分：1
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2.GSM-ATMBALANCE
说明： gsm sample source code picic
- 2019-04-20 12:53:10下载
- 积分：1
