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Four, the setting and the actual effect do not conform to theDifferences 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.PictureTake my ford said.伊芙·迈尔斯（EveMayles）以费思·豪威尔斯（FaithHowells）的身份回归，她试图摆脱婚姻破裂的阴影，同时接手了一起涉及一名重病小男孩的令人痛苦的法律医疗案件。He explained in detail how to fix the configuration problem with his server. In short, the problem stems from the assumption that BIND (a system that implements DNS protocol) disables recursion by default; The solution requires "instructing BIND to accept only recursive requests from servers in its data center. "Memorandum mode: Pay attention to the state change of encapsulated objects and support state saving and recovery.