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Resource consumption class is a typical DDoS attack, the most representative include: Syn Flood, Ack Flood, UDP Flood. The target of this kind of attack is very simple, that is, to consume normal bandwidth and the ability of protocol stack to process resources through a large number of requests, thus achieving the purpose that the server cannot work normally.吴家伟（马浚伟饰）多年来自怨自责，终于有一日，他下了一个重大的决定，去做一件他期待已久的事…..家伟的母亲阿梅（顾美华饰）在她26岁时确诊患上鼻烟癌，家伟当年只有6岁。家伟和父亲陪伴阿梅一起抗癌，他虽然年纪轻轻，但十分懂事。可惜，阿梅最终不敌病魔，与世长辞。家伟因为母亲的离去，变得更沉默，将所有责任包揽在自己身上，这份罪咎感，令他多年来被抑郁、惊恐所吞噬….家伟的主治医生美思（余香凝饰），自小被父亲抛弃成为孤儿，家伟对母亲的思念之情在她眼中，只是微不足道的事，她的冷漠与家伟对家人的爱形成强烈对比。但在家伟的帮助下，美思最终能弥补了多年来的亲情缺憾。　　让简没有想到的是，自己竟然怀孕了！原来，在误打误撞之中，简接受了人工授精手术，而这枚精子的主人，竟然是简的老板拉斐尔（贾斯汀·贝尔杜尼 Justin Baldoni 饰），更糟糕的是，简的母亲坚定的认为，自己的女儿是圣母转世。腹中孩子的去留成为了简目前需要面临的最大问题，她会做出怎样的选择呢？After reading a book "Deliberate Practice" today, I suddenly thought of a text "Oil Seller" that I learned at first.与孙悟空和贝吉塔等龙珠战士的一役结束，伤痕累累的布洛迪乘球星飞船追踪来至地球，却因伤势过重昏迷过去，被冰封于山谷之中。Start the computer!Since Pizza is still an abstract class, when we create a subclass of FactoryPizzaStore, we should also implement a specific subclass inherited from Pizza. If we only create a subclass of FactoryPizzaStore without a corresponding subclass of Pizza, what does our pizza shop sell?