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After understanding the history and classification of design patterns, how should we learn design patterns? Before learning the design pattern, readers must establish a kind of consciousness, that is, the design pattern is not only a method and technology, but also an idea and a methodology. It has nothing to do with the specific language. The main purpose of learning design patterns is to establish object-oriented ideas, program to the interface as much as possible, with low coupling and high cohesion, so that the programs you design can be reused as much as possible. "Specious. Learning design patterns can better understand object-oriented ideas. Design patterns are some design skills and tricks. Don't rise to ideas and methodologies, okay?"Attacking TCP Connections　　独孤伽罗和杨坚携手走过人生风雨，始终夫妻恩爱，伉俪情深，她时刻督促杨坚勤政爱民，无论处于人生何种际遇，夫妻二人保持着勤俭朴实的家风，创造了中国古代帝王夫妻后宫生活的佳话。等来年三四月里，那气温升高后，腌菜便化烂了。名歌星小乔(丽莎饰)爱上心术不正的赵怀安(黎汉持饰)，并把所有积蓄交给他，但赵见财心狼毒，竟请降头师害死小乔，乔临死前发下毒誓不放过赵。赵惧怕乔死前恶相，遂请降头师将小乔魂魄打下十八层地狱使她永不超生。她们是特地趁着学堂休息日回来的，故而把兄弟姊妹们都叫了来聚会，只有葫芦、青山、黄瓜三个大的，帮家里照看农事庄稼，因此没来，田遥倒跟着来了。他们在“款待”客人的同时，偶尔还会解决客人的“烦恼”。