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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.铁心兰的毒是不是早就被你解掉了？小鱼儿说道。SynFlood attack belongs to one of TCP attacks. SynFlood attack is the most common and harmful attack in Flood class, and it is also one of the oldest attacks. Before understanding SynFlood attack, you can look at the detailed explanation of TCP attack.(3) Web ServerScope of HazardA1.1. 5 Sensory examination.橄榄球队的教练被发现死了，绑在球门柱上。