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The works, community topics, user comments, content or pictures uploaded by users included in this site are all personal behaviors of users. If the above content infringes your rights and interests, welcome to report the complaint. Once verified, it will be deleted immediately and this site will not assume any responsibility.两对夫妇租了一间僻静的房子度周末，面对一个危险的秘密，他们遇到了一个奇怪的看门人。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?"满头发辫的南雀军不可置信地低头看向腰侧：这是怎么回事？明明这个小疤脸看上去缩手缩脚，是个不中用的，怎么出剑这么利落？不等他抬头，劲风过处。等明年我参加完会试再成亲。好吧，那我就拭目以待。A DDoS attack is an attempt by an attacker to deplete resources available to a network, application, or service so that real users cannot access these resources. It is an attack by a group of malware infected computers or voluntary client computers that attempt to deplete the resources of a specific network, website or service. However, not all DDoS attacks operate in the same way.