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PS: Many forums have seen beginners ask whether WCF still needs to learn in depth, because they think these technologies may be outdated. Maybe Microsoft will launch a new SOA implementation scheme at that time. Wouldn't it be a waste of time to learn in depth, so they feel that there is no need to learn in depth and just know how to use them. I had the same feeling about this problem before, but now I think that although WCF technology may be replaced, the key to understanding a technology in depth is not to know some more advanced API calls, but to understand its implementation mechanism and way of thinking. Even if the latter technology is replaced, the mechanism behind it is definitely similar. Therefore, if you have a thorough understanding of a technology, you will feel familiar with the new technology and relaxed about it. In addition, after you have a thorough understanding of a technology, you dare to say that you have mastered the technology well during the interview, instead of saying that you use it a lot at ordinary times. Once you ask deeply, you do not know the implementation principle behind it. This is also why I want to write WCF series. I hope this opinion is helpful to some beginners.等看到铁心兰在花无缺身后的时候，小鱼儿看着花无缺，更加没有好感了。后院的一处小厅里，好几个人围坐着，都垂头丧气的。吸血鬼确实存在，就在此，在我们之中。 今时今日在巴黎，玛莎·拉德斯库（苏珊·克莱门特 饰）的家人住在地下。 但是，当16岁的多娜转变成一种新型的吸血鬼时，他们脆弱的平衡便开始破裂。 半人半吸血鬼，多娜学着应对她的双重本性。 日间，她对于朋友们是个危险的存在。 夜间，她独特的魅力又被吸血鬼群体垂涎。主角张哲和张南经历了十年爱情长跑，在两人相恋十周年的庆祝party上，第三者鸡米闯入带走了张南。张南的离去彻底击碎了张哲对爱情和人生的信心，生活白痴的张哲努力一个人生活，在好友杨春子和江超的帮助下，慢慢学会坚强，面对张南偶尔的主动，他选择回避。然而谁知这一切都是鸡米设计好的圈套，当真相浮出水面，到底是选择为真爱放弃一切还是继续残缺的现状，是摆在张南面前最大的难题……The user clicks on the screen to generate a MotionEvent公元620年，唐武德三年七月，唐朝开国皇帝李渊的次子——秦王李世民奉父之命东征洛阳。洛阳是前朝隋的东都，在政治、军事、经济各方面都有着举足轻重的意义。洛阳之战也就成了唐朝统一中原的最重要一仗……