用mathematica编写的数独解答小程序。用Mathematica7编写，主要分为图形绘制和数独解答两个部分。实现的功能是：可自行设计、输入数独，程序将快速得出正确答案。-Sudoku answer small program written using Mathematica. Written in Mathematica 7, mainly divided into two parts graphics rendering Sudoku answer. Achieve the funct

JPEG常见问题解答，从编解码技术原理，语法结构，文件格式，全方位解答开发者遇到的问题。(JPEG frequently asked questions, including encoding and decoding technologies, syntax and data structure, file format, etc.)