EncryptDecrypt

extracting background Bit-layer(A method of achieving background is presented which detect the moving object with statistics from complex scene. Compared with other methods of achieving image background, this approach can achieve and update simultaneously background. The method of moving object detection has the advantages of simplicity in computation, strong resistance to noise. The state transition matrix and observation matrix of Kalman filter are then defined to track the detected object. The experiment indicates that the method proposed has stability of forecast.)

一个国产RPG游戏 详细讲解RPG游戏的开发过程，还有源码，全是Win32的,大家一起学一下吧！(a homemade RPG elaborate on the development process, source code, all of the Win32, we learn together about!)

Visual Basic.NET控件时尚编程百例(Visual Basic.NET)

pic basic pro son hal

MODBUS RTU using Attiny44 from Atmel

测量平差中的坐标方位角的转换可以方便广大的测量工作者()

说明：  监控上网过程，时下非常流行，用于控制别人也可以(The process of monitoring the Internet, become a very popular, can also be used to control other people)

vb.net动画闹钟程序，可以设置任意多个闹钟，带声音提示和动画。适合初学者参考(vb.net alarm clock program, you can set any number of alarm clocks with voice prompts and animation. Reference for beginners)

使用Windows API函数获取当前系统时间，并以当前系统时间为名称创建txt文档(Use the Windows API function to obtain the current system time and create the txt document with the name of the current system time)

 给出进程需求矩阵C、资源向量R以及一个进程的申请序列。使用进程启动拒绝和资源分配拒绝（银行家算法）模拟该进程组的执行情况。要求： 初始状态没有进程启动 计算每次进程申请是否分配？如：计算出预分配后的状态情况（安全状态、不安全状态），如果是安全状态，输出安全序列。 每次进程申请被允许后，输出资源分配矩阵A和可用资源向量V。 每次申请情况应可单步查看，如：输入一个空格，继续下个申请 (The  gives processes demand matrix C resource vector R as well as the application of a process sequence. Using the process starts refused to reject and resource allocation (the bankers algorithm) analog implementation of the process group. Requirements: initial state process starts calculated each time the process is whether the application is assigned? : Calculate a state after the pre-allocated (safe state, unsafe state), if it is a safe state, the output safety sequence. Each process the application is allowed, the the output resource allocation matrix A and the resources available vector V. Each application should be able to single-step view, such as: type a space, continue to the next application)