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Therefore, 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."那你还会回来吗？东方姑娘眼中柔情似水，痴痴的看着刀客。天真而可敬的货仓工人Mitch业余时是个赛车手，他一直的梦想是参加职业比赛。当富翁Frank Chase以高薪来诱惑他当私人修理工，兼女儿Jessie的保镖时，Mitch崇高的目标突然变得很接近。可原来另有内情，他发觉自己牵连入Frank带头的非法军火交易里。现在，这个年青车手得给联邦探员当卧底，来把Frank 绳之于法，同时尽量让自己，家人，和秘密的Jessie免受伤害。何如玉在闺中挚友田秋容相邀之下，去凤凰山拜庙求子。在回程的路上，就在一棵大树下，她们发现了一个弃婴。何如玉忙把婴儿抱在怀里。说也奇怪，原本啼哭不止的婴儿，突然不哭了。田秋容趁机说‘这孩子与你有缘，可能是注生娘娘被你的诚心感动，送孩子来给你了！’。何如玉心动了，把孩子抱回家抚养，张海对孩子的到来，又惊又喜，亲自命名为‘张承恩’。年轻的网络设计师陶侃（陆毅扮演）在一次作品比赛中结识了柳翠芸（蒋虹扮演）。两人为一件作品产生争议，互不服输，成了“冤家”。陶侃与好友，香港青年何嘉林（陈浩民扮演）、杨慧敏（叶璇扮演）成立了青春网销公司，立志要在这一新兴行业中有所作为。不料，翠芸工作的欣欣房产公司与青春公司恰在同一幢办公大楼内，陶侃和翠芸，冤家路窄，两人一见面就相互嘲讽……重庆军统王牌特工郑耀先，以狡黠机智和心狠手辣闻名。郑耀先其实就是潜伏在军统的共产党特工“风筝”，为了确保“风筝”像一把尖刀始终刺在敌人的心脏上，在最关键时刻给国民党致命一击，郑耀先不得不成为自己同志眼中人人得以诛之的军统六哥。上线的牺牲让他和组织失去了联系，解放后他化名国民党留用人员周志乾，以一种独特的方式继续为组织提供重要情报。在自己“风筝”的身份被组织证实后，他仍然以隐蔽的方式，协助公安局破获多起潜伏特务。在三十多年的情报员生涯中，他被敌人长期追杀，忍受着妻离子散。对他来说，情报员本身就意味着牺牲，而一个人能有资格为国家牺牲，就是对自身价值的最好证明。When performing some abnormal operations, such as stopping the database without reason when reading and writing the database, resulting in abnormal interruption of SQL Server database,