directx

C#高级编程-C# High-level programming

html的语法卡片，简洁实用，实乃初学html的必备手册-html syntax cards, concise and practical, a bit of the requisite learning html manual

Learning Perl第五版（英文版），完整的Perl语言学习用书！-Learning.Perl.5th.Edition

ZigBee规范，原件，全英文，

struts学习教材，著名的中国电力出版书籍出版，很适合初学者学习，参考。-struts study materials, the famous China Electric Power Publishing book publishing, it is suitable for beginners to learn, reference.

将机械鼠标的滚动动作和左右键的操作转换成开关信号，用方波电路产生的方波信号代替原鼠标内光敏传感器的脉冲信号，用相应的开关动作可以实现鼠标光标移动和鼠标的单双击操作！而用发射和接收电路代替原来的鼠标线，可以实现鼠标的遥控。-Mechanical motion and rolling the mouse around to convert the operation of key switch signal, square-wave circuit using square-wave signal generated by the mouse instead of the original light sensors within the pulse signal, with the corresponding action can switch the mouse cursor movement and implementation of the single-and double-click hit operation! The transmitting and receiving circuit used in place of the original mouse line, you can achieve the remote control mouse.

复旦大学的精品课程《程序设计》的电子讲稿-Fudan fine courses "programmed" electronic script

Algebraic Aspects of Symmetric-key Cryptography survey

Cisco advanced routeing ebootk, this is pdf file and you had to use the Adobe 8 to see it. the part4

SQL综合练习题! SQL综合练习题!-SQL practive