he LPC932 can be used to create a Pulse Width Modulated PWM signal. That s an analog signal, with only 2 discrete levels, for example 0V and 5V and a ...
10分钟学会SQl第三版 Sams Teach Yourself SQL in 10 Minutes has established itself as the gold standard for introductory SQL books, offering a fast-paced acce...
解决时钟问题，acm竞赛题 A weird clock marked from 0 to 59 has only a minute hand. It won t move until a special coin is thrown into its box. There are differen...
linux操作系统下运行，print current directory s files...
The government of a small but important country has decided that the alphabet needs to be streamlined and reordered. Uppercase letters will be elimina...
