2018年4月26日
摘要: F1:如果你处在一个选定的程序中而需要帮助,那么请按下F1。如果现在不是处在任何程序中,而是处在资源管理器或桌面,那么按下F1就会出现Windows的帮助程序。如果你正在对某个程序进行操作,而想得到Windows帮助,则需要按下Win+F1。按下Shift+F1,会出... 阅读全文
posted @ 2018-04-26 21:50 zitian246 阅读(236) 评论(0) 推荐(0)
摘要: The Department of National Defence (DND) wishes to connect several northern outposts by a wireless network. Two different communicatio... 阅读全文
posted @ 2018-04-26 16:59 zitian246 阅读(125) 评论(0) 推荐(0)
摘要: Farmer John has been elected mayor of his town! One of his campaign promises was to bring internet connectivity to all farms in the ar... 阅读全文
posted @ 2018-04-26 15:09 zitian246 阅读(104) 评论(0) 推荐(0)
摘要: A supermarket has a set Prod of products on sale. It earns a profit px for each product x∈Prod sold by a deadline dx that is measured ... 阅读全文
posted @ 2018-04-26 11:35 zitian246 阅读(134) 评论(0) 推荐(0)
摘要: An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with the lap comput... 阅读全文
posted @ 2018-04-26 09:25 zitian246 阅读(123) 评论(0) 推荐(0)
摘要: ctrl+shift+c:注释掉选中的多行代码ctrl+shift+x:对已经注释的多行代码取消注释 阅读全文
posted @ 2018-04-26 08:53 zitian246 阅读(1675) 评论(0) 推荐(0)