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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.泥鳅会试中了，殿试当然不会落榜，他是二甲第八名。神探斯特莱克第四季……Let's start the tutorial:荷塘法庭坐落在一个古典小镇，它是人民法院的最小派出机构。法庭一共有五个人，像邻家大叔一样的老庭长王德忠，性格像刘罗锅一样幽默可爱，办案时“能屈能伸，当断不断”，经常出人意料。新到荷塘法庭任职的年轻法官姜浩不问困难有多少，只问困难在哪里，相信草根也能成凤凰男，是职场草根阶层的代表。只想调离法庭，到上级法院当法官，并为女儿找一个重点学校读书的老法官何见。是生活中守信用的好父亲，是工作中不容任何人提缺点、找毛病，挑战自己权威的自负男。法庭的书记员彭小青，是职场中可爱女。法律援助工作者肖丽云，工作起来认真负责，不容侵犯，释放情感时，又温柔与火热并举，让人难以捉磨和招架。全剧通过一个个民事案件的办理，展现平民百姓鲜活生动的故事。The algorithm takes advantage of the retransmission characteristics of TCP/IP protocol. When the first syn packet from a certain source IP arrives, it is directly discarded and recorded in the state (quintuple). When the second syn packet from the source IP arrives, it is verified and then released.