Simple Sokoban game, just by the arrow keys to control the

一套用于生成各种图形验证码的库(Java)，-A minimalist CAPTCHA generation framework for Java/J2EE, with example implementations provided for J2EE (see sc.war) and Grails.

RC5 encryption algorithm is a new fast symmetric block cipher developed by Ron Rivest for RSA Laboratories. Intended as a possible successor to the Data Encryption Standard, RC5 has a variable word size, a variable number of rounds, and a variable-length secret key, so the user can explicitly manipulate the trade-off between higher speed and higher security. RC5 is suitable for hardware or software implementations; the encryption and decryption algorithms are exceptionally simple. A novel feature of RC5 is the heavy use of data-dependent rotations.

DOS下的万年历,有兴趣可改成UNIX下的CAL-calendar under the DOS, UNIX interest may change under the CAL

此文件是关于做幻灯片(PPT)时可以使用的模板素材,可以方便用户直接在模板上设计,而不用再为设计不出漂亮的底板而烦燥了!-This document is about to do slides (PPT) can be used when the template material, can be user-friendly design directly in the template, and no longer beautiful for the design of any floor and the irritable!

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PQ分解法，有些还需要改进，该程序所对应的例子是东南大学陈珩编的《电力系统稳态分析（第二版）》的例4-5-PQ decomposition, some also needs to be improved, The procedure corresponding to the example of Southeast University, Chen Heng addendum to the "steady-state power system analysis (second edition)" 4-5 cases

Rational rose 编程设计流程指导-Programming Rational rose design process to guide

一个很实用的DNS域名解析DNS，用于网络视频服务器中。-A very useful DNS DNS DNS, for network video server.

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