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本剧讲述了在哈尔滨的一条百年老街——中央大街上，一群青年男女因缘分而结识，他们在这里一起分享，一起成长，帮助步行街上的”过客“解决了不少问题，同时也给这条街道带来无数欢乐和感动……Differences between simple factories and factory methods: Simple factories and factory method patterns look very similar, especially specific factories in simple factories and factory methods. Simple factory, all things have been done in one place. However, the factory method creates a framework for subclasses to decide how to implement it. For example, in the factory method, the OrderPizza method creates a general framework to create pizza. The OrderPizza method relies on the factory method to create specific classes and make actual pizza. It is possible to decide what the actual products manufactured are by inheriting the factory. Simple factories do not have this flexibility.Defense Methods: The most effective and reliable defense methods against consumptive Flood attacks, such as SYN Flood, ACK Flood and UDP Flood, are:这就揭过了？林指挥使看着黎章，目露异色。Syfy正式续订《魔法师》（The Magicians）第4季。