PDF format JDBC3.0 documentation, JDBC contribute to the learning and developmen...

用VC++编写的浏览器，实现浏览器的基本功能。-It s a browser .

Easy with bitmap opencv

Siemens Java开发初步-preliminary Siemens Java development

Calculator program written by DLLs with the math algorithms such as automata and can draw some simple graphs.

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双轮差速机器人DSP控制程序，功能包括里程计，和上位机的通讯程序-Differential-speed two-wheeled robot DSP control procedures, functions include odometer, and the host computer" s communication program

用c语言解决多项式的常见问题 用c语言解决多项式的常见问题-To solve polynomial with c language c language with common problems to solve polynomial Frequently Asked Questions

C语言规范（英文）-C language specification (English)

组播以其独特的优势，在网络通信方面的应用越来越广泛，但随之而来的就是安全问题，其中密钥管理是最基本的问题之一。本文研究了安全组播中的密钥管理问题。介绍了现有的两种主要解决方案，即SKDC方案和密钥树管理方案，并分析了它们的不足之处，指出基于密钥树的研究方向，在此基础上提出基于Huffman密钥分级树的密钥管理方案，将布尔函数的分析方法运用其中使管理简便化。并对该方案的性能从密钥管理的存储空间和密钥刷新通信量两个方面，给出了相应的分析。-Multicast With its unique advantages in the communication network is widely applied, but the attendant security issues, key management is the most basic one of the problems. This paper studies the security Multicast key management issues. Of the two main existing solutions, and key programs SKDC tree management program analysis of their deficiencies, that the tree on the key directions of research on this basis based on the classification tree Huffman key Key Management Program, Boolean function of the analytical method which enable the use of simple. Program and the performance of key management from the storage space and traffic Key set two, given the corresponding analysis.

阐述了嵌入式linux下驱动程序的开发原理。介绍了linux arm 下usb驱动程序的开发。-Set of embedded linux driver development under the principle. Introduced under the usb driver for linux arm development.