是一个很经典的进销存系统，里面包括用户，管理员的权限设置，对一个企业的进销存都很好的表现出来...

基于DELPHI+SQL的商品交易系统，功能齐全实用，仅作学习参考之用。-Delphi SQL-based commodity trading system, fully functional and practical, only for study reference.

求解l1优化问题，在压缩传感中有应用，概算发可以求解三个模型：BP，BPDN和约束版本-Solves L1 problems arsing from Compressive sensing, compressive sampling and sparse optimization

software engineering

嵌入式linux下的串口通讯编程与实现 详细分析串口的设置等-the serial communication programming and implementation of a detailed analysis of the serial port settings

本文件夹中的Model目录下包含了系统的数据库模型图和系统建模图，分别使用PowerDesigner-the folder directory Model of the system contains a database model maps and map system modeling, using PowerDesigner

设计模式，proxy_lab,singleton_lab,templateMethode-design pattern, proxy_lab, singleton_lab, templateMethode

AMD四核CPU代码优化指南。全书分十二节，详细讲述了优化的原理的举例，是编译器开发人员，代码优化人员的必备工具书

以前看了很多文档,知道Windows CE的串口如何操作，但是由于从来没有想过要用串口，也没有实际的作过。昨天有人需要用我们的开发板，而他们主要就是要用串口，我就写了一个程序，用来测试串口是否工作。记录下来，作为以后串口通信程序的起点-before seen a lot of documents, Windows CE know how to operate the serial, But he never thought to use serial port, nor the actual made. Yesterday, someone needed to use our development board, and they mainly use serial port, I wrote a procedure, Serial used to test whether the work. Record, as a serial communication program after the starting point

这部分阐述了自动售货机的各种动作功能和控制要求，给出了完整的自动售货机操作规程，并介绍了自动售货机运行系统种所包括的人工操作步骤-This section sets out a variety of vending machine motor function and control requirements, given a complete vending machine operation, and introduce a vending machine operating system types included in the manual operation steps

基于EP9315-ARM9硬件开发平台的Redboot移植-EP9315-ARM9-based hardware development platform Redboot transplantation