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基于KNN算法的室内指纹匹配定位算法代码，有注释(Indoor fingerprint matching positioning algorithm code based on KNN algorithm, annotated)

主要是对真彩色图像进行加密，分别对R,G,B三分量进行加密，实现对图像的加密(It mainly encrypts the true color image, encrypts the R, G, B three components respectively, realizes the encryption of the image.)

一款局域网聊天程序，适用于delphi5,只有用了Rxlib2.75中的两个控件，一个是用来做TrayIcon的(TRxTrayIcon)，还有一个是用来选颜色的(TColorComboBox)， 大家可以到Rxlib专栏中下载这个控件 -one LAN chatting procedures applicable to 3.0-5.0 Only a Rxlib2.75 the two controls, one is used for TrayIcon (TRxTrayIcon), there is an election to the color of (TColorComboBox), Rxlib You can download this column Controls

说明：  基于Tsai-Wu失效准则的VUMAT子程序(VUMAT subroutine based on Tsai Wu failure criterion)

说明：  根据塑性理论，硬化分为随动硬化和等向硬化，这个UMAT是一个随动硬化的例子。(According to the theory of plasticity, hardening is divided into Kinematic hardening and isotropic hardening. This UMAT is an example of Kinematic hardening.)

说明：  design_builder1 example of mine

this is a simple shaduruanjian

Wireless Technician’s Handbook Wireless Technician’s Handbook Wireless Technician’s Handbook(Wireless Technician' s Handbook Wireless Technician' s Handbook Wireless Technician' s Handbook)

说明：  010001101000011010100010111 0 01011 10000101 10 010 01011001 010

说明：  ds1302时钟c语言驱动源码，适用于51单片机开发板。(DS1302 clock C language driver source code, suitable for 51 single chip development board.)