data structure : the bracketed arithmetic expression is evaluated. Complete with...

PB例子用实例来介绍powerbuilder8.0的应用功能 -PB examples used to introduce examples of the application functions powerbuilder8.0

非常经典的华容道游戏源码，不仅游戏写的好，界面也很漂亮！-very classic Puzzle source, not only was a good game, and the interface is very pretty!

opencv2.4.9+vs2010  由于opencv里面自带的canny算子无法自适应选取阈值，必须人工给予合适的上下阈值，所以只能检测单张图像，无法检测视频流或者多张图像，本人采用大津法实现了自适应阈值的边缘检测。代码图片都齐全，只需安装好环境就可以了，效果还可以~

在实现了系数矩阵的三角分解后，为了避免“小主元”做除数而导致更大的误差，在doolittle分解的同时，每一步先选主元，再进行分解计算。-achieved in the triangular matrix decomposition, in order to avoid "small PCA" do Divisor and lead to greater error, the Doolittle decomposition at the same time, every step the first choice PCA, further decomposition.

对“程序”菜单的编程，包括增加目录、增加程序、删除目录、删除程序等等。-right "procedures" menu of programming, including increasing the directory, add procedures, delete directory, delete procedures.

VB写的计算器,可给VB初学者作参考-calculator writtend with VB,can be used as referrence for the VB beginer

操作系统中的页面调度(先进进出，最近很少使用算法，最佳算法等等，操作系统中比较重要的算法)-operating system pages Scheduling (advanced access, recently rarely used algorithm, the best algorithms and so on the operating system more important algorithm)

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M8Sampledeyuandaima -M8Sampledeyuandaima

WPF实现字母与数字键盘源码功能介绍：做软件是经常用到数字键盘和字母键盘按钮，所以做了个例子，方便有用的人使用，学习。实现了数字按键和26个英文字母按钮。注意：开发环境为Visual Studio 2010