对于初学者训练编程技巧，积累编程经验很有帮助

用来计算股票买卖盈亏及手续费的小工具，包含买保本价、卖保本加、买卖差价、交易费用，盈亏等，使用命令参数有2种如下： 1、perl stock.pl 股票数量 股票价格 例如：perl stock.pl 500 13.00 2、perl stock.pl 股票数量 股票买入价格 股票卖出价格 -Used to calculate gains and losses on stock transactions and handling of small tools, including the price of insurance to buy and sell capital preservation increases, bid-ask spread, transaction costs, profit and loss, etc., the use of two kinds of command parameters are as follows: 1, perl stock.pl amount of shares such as stock prices : perl stock.pl 500 13.002, perl stock.pl amount of shares of stock prices to buy shares on the stock market price

2N_2N3904 datasheet document in PDF format.

设计模式之Adapter2，设计模式之Adapter2-Design Model Adapter2, design model Adapter2

robot_simulator of system-robot_simulator

关于TI的DSP的PWM的一本书籍，可以直接应用，-TI

本文介绍了在Visual Basic6.0环境下采用“自上而下地总体规划，自下而上地应用开发”的策略开发一个管理信息系统的过程。通过分析某一学校学生管理的不足，创建了一套行之有效的计算机管理学生的方案。文章介绍了学生管理信息系统的系统分析部分，包括可行性分析、业务流程分析等；系统设计部分主要介绍了系统功能设计和数据库设计及代码设计；系统实现部分说明了几个主要模块的算法， 本系统界面友好，操作简单，比较实用。-This paper describes the environment in Visual Basic 6.0 adoption of the "top down overall planning, Application to the development of bottom-up "strategy to develop a management information system process. By analyzing a school student management deficiencies, create a set of effective management of student computer programs. This paper introduces the student management information system analysis, including feasibility analysis, business process analysis; system design some of the major functions of the system design and database design and code design; System explains some of the major modules of the algorithm, the system friendly interface, simple operation, more practical.

Addison.WesleyThe.Software.Development.Edge.Essays.on.Managing.Successful.Projects.Apr.2005.chm 超经典的软件工程类电子书-Addison.WesleyThe.Software.Development.Edge.Essays.on.Managing.Successful.Projects.Apr.2005.chm classic super-class software engineering e-books

UML参考手册,完整版的。网上很多，都不全，发现这里没有，传上来。-UML Reference Manual, complete version. Many online are not the whole, found here do not pass up.

婴儿出生信息登记系统 .按键1可以录入一条婴儿材料，其中婴儿母亲、婴儿性别和护理人员代码不能为空，其他数据如果需要为空请输入 / 。 2.按键2可以查看婴儿材料保存文件里面的所有婴儿材料。 3.按键3可以通过输入婴儿父母姓名、婴儿性别、婴儿出生医院或者婴儿出生日期进行查找。 4.按键4可以显示超低重婴儿材料，超低重婴儿标准是低于1kg。 5.按键5可以通过输入婴儿编号确定需要修改材料的婴儿，然后可以通过输入所需修改的项目，对婴儿材料除婴儿编号以外的数据进行修改。 6.按键6可以通过输入婴儿编号来确定要删除的婴儿材料。 7.按键7查看使用说明。 8.按键8退出婴儿信息登记系统。-birth registration information system. Press a baby can be an input materials, baby mothers, the gender of babies and nursing staff code can not be empty, the other data if needed to enter the air /. 2. Press two babies can view material inside the preservation of all infant materials. 3. 3 keys can be imported baby names of parents, infant sex, Hospital births or birth date you. 4. Press 4 show low weight babies materials, ultra-low weight babies is lower than 1kg standards. 5. Five keys can be imported baby No. identified the need to amend the material babies, then through the importation of necessary changes, in addition to the infant baby No. materials outside the data changes. 6

Algorithm One possible version of the buddy allocation algorithm was described in detail by Donald Knuth in The Art of Computer Programming. This is a complicated process.-Algorithm One possible version of the buddy allocation algorithm was described in detail by Donald Knuth in The Art of Computer Programming. This is a complicated process.