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Five, recreational sportsTherefore, learning design patterns, The first thing to do is to understand which aspects of design patterns are available to developers, Then, the principle, timing and method of each design pattern are studied respectively, that is to say, under what circumstances should a certain design pattern be used? When understanding the timing of a certain design pattern, it is also necessary to understand what consequences will be caused if this design pattern is not used at this time. After understanding the principle and usage of each pattern, more importantly, learning the object-oriented thinking mode, after mastering the object-oriented thinking mode, looking back at the design pattern, you will have a deeper understanding. Finally, learning the design pattern, you must study hard and practice more. "I agree with the last sentence very much."　　《疯人夜》讲述的是一群高调的富二代开着跑车载着美女到海边一所度假别墅开Party，别墅的对面是一座废弃10年的疯人院，但是别墅管家告诉他们最近这座疯人院来了一群精神失常的疯子。夜晚临近，富二代们正在别墅里狂欢，精神病者们悄悄潜入别墅，一场人与“神”之间的战争即将爆发!Leonard(Johnny Galecki 饰)和Sheldon（Jim Parsons 饰）是一对合起来智商超过360的疯狂科学家宅男。他们的科学家朋友还有风流的Wolowitz（Simon Helberg 饰）和从来不和女人说话的印度人。最近，科学家宅男的对门搬来一个美女剧作家兼餐厅招待，Penny（Kaley Cuoco 饰）。宅男开始蠢蠢欲动了，于是诸多啼笑皆非的故事在几个朋友间“爆炸”开来。Winter is the season of the year when lobsters are fewest, But the price is high, In recent years, From September 1 to December 31, the wild crayfish will be banned. This policy has always been in place, But I haven't seen the execution. Due to the habit of digging shrimps in winter, When people dig it, because they don't raise it by themselves, they don't have to put back the small eggs. It belongs to extinct fishing. Unless it is not found, it will also result in fewer and fewer lobsters in the second year. This is basically the pattern in recent years. The overfishing of people with high prices in the previous year will result in a large reduction in production in the second year. This person who often catches lobsters has deep experience. In recent years, it is more and more difficult to catch lobsters year by year.后来杨长帆才明白，原来导师的意思是不要送他挂历贺卡这种蛋疼的东西了，有种就送字画，赝品也可以。其中固然有现实原因的缘故，当时那个情况下，若是不全心全意地跟着刘邦，很难生存。