在应用程序内部设置IP地址并判断IP地址的合法性

发送带有附件的邮件-send mail with attachments

butterfly on nature-butterfly on nature

virtual printer

java写的全国移动联通的手机归属地查询程序，非常完整的号段识别-wrote Unicom mobile phone ownership to the inquiry procedure, the very integrity of the identification,

Lunar librations and selenographic coordinates per DE404 size 33 KB. 月球天平动和月表坐标计算程序。根据喷气推进实验室的DE404星历表编制。-Lunar librations and selenographic coordinates per DE404 size 33 KB. Lunar libration tables on coordinate calculation and procedures. According to Jet Propulsion Laboratory

apache log4cxx的使用演示，可以看看输出LOG到底有多方便。-apache log4cxx the use of demonstration, in the end can take a look at how easy LOG output.

利用matlab仿真软件，计算陈氏混沌系统的Lyapunov指数，希望对大家有所帮助，相互交流，共同进步。

直接在屏幕上写文字 - 退出之后没有清除，sorry 演示了3D文字和任意形状的窗口，由于CPU占用率太高，后来就改成直接写在屏幕上，而不显示窗口的做法。这样一来CPU占用就不会超过10%-directly in the written text on the screen-not after the withdrawal of removal, sorry demonstration of the 3D characters and arbitrary shape of the window, as CPU utilization rate is too high, and later on changed to write directly on the screen, with no sign of the window. Such a CPU utilization will not exceed 10%

用于定时中断输出波形，可调整正弦波的频率和占空比。-Interrupted from time to time for the output waveform, sine wave of adjustable frequency and duty cycle.

DNA sequence design software