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Since ancient times, Qingyuan Mountain has been famous for its 36 caves and 18 scenic spots, especially Laojun Rock, Qianshou Rock, Mituo Rock, Bixiao Rock, Ruixiang Rock, Huruquan, Nantai Rock, Qingyuan Cave and Cien Rock. Among them, six Qingyuan rock statues in Song and Yuan Dynasties, represented by Laojun Rock, are listed as national cultural relics protection units.Soon I saw Li Jianzhong's C # Object-Oriented Design Pattern Lecture on MSDN's Webcast. A very good series of lectures gave me a new understanding of design patterns. I realized that learning design patterns, specifically learning object-oriented design patterns, should start with learning object-oriented. "The principle of object-oriented is like understanding the rules of chess, and the design pattern is equivalent to a mess. I don't know what the rules look at." Since I have been doing ASP.NET development for the previous year, although I have been writing classes, learning Duwamish to make hierarchical architecture, typed DataSet and custom entity classes, it seems that I haven't used interfaces much in the past year, and I seldom use any polymorphism. In fact, the understanding of object-oriented programming is still very vague.本剧受M.R. Hall的畅销系列小说启发，主要讲述了一个新任命的验尸官在多伦多调查离奇的死亡案件。本剧于今年夏末将在多伦多地区展开制作，2019年冬在CBC首播。特意将林聪安排在跟黄瓜、黄豆、秦瀚等人一桌CloudFlare is a free CDN service and offers a firewall, highly recommended. I would also like to thank @ livid, the webmaster of v2ex.com, for his enthusiastic help. I am using their CDN products now.于是原本不听话的李火星从此对李铁牛敬仰万分。而李铁牛看幼年丧母的儿子变得很听自己话，也就没去戳破这个谎言。同时也教育他，好好学习，将来帮忙赚更多钱。This picture looks weird.