根据给定的IP地址和子网掩码中1的位数，编程求出相应的广播地址和子网范围-according to the IP address and subnet mask in which a median calculated the corresponding programming broadcast address and subnet range

自定义winform中的加载中控件（含类似于网页中的遮罩层）-Custom winform the loading control (similar to a web page containing mask layer)

In this paper we propose a watermarking system that uses the biorthogonal discrete wavelet transform, DWT and the message is encoded before embedding. The proposed watermarking method is very simple, implying four steps: turbo coding of