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而董楠却难过不已，原本快乐的一家人陷入了痛苦之中，而此时更大的痛苦还在等着他们一家人，由于董妮将妹妹董楠出去见面的消息告诉了母亲朱惠荣，担心董楠不将精力放在学习上的朱惠荣匆忙跑去寻找董楠，害怕被母亲责备的董楠在慌张之际不慎从高墙处摔下而导致腿骨粉碎性骨折，并被医生宣布从此成为跛脚。二十世纪三十年代。上海。祖上曾盛极一时的前清翰林白家连年衰败，坐吃山空，家道中落到连日常生活都捉襟见肘。白家六小姐白流苏出阁，白老太为了办一个体面的婚礼，向各房筹钱，老三老四两家互相推诿，妯娌之间为了小账斤斤计较，白流苏初感人世冷暖。"Simple and Easy Schematic Diagram of Stretching Preparation Activities for Universal Joint Ligaments"郑氏听了睁大眼睛：你干啥要管他衣裳干净不干净？黄豆听了双手捧头，扶着脑壳顶上的小辫子叹气——这娃儿，咋这么没眼色哩。The above is just a synchronous chain of responsibilities, We let each node function return a specific value "nextSuccessor" synchronously, To indicate whether to pass the request to the next node, we will often encounter AJAX asynchronous requests in our development. After the request is successful, we need to do something so-and-so. At this time, if we apply the above synchronous request again, it will not take effect. Let's understand and use asynchronous responsibility chain to solve this problem. We add another prototype method Chain.prototype.next to the Chain class to manually pass the request to the next node in the responsibility chain.Application layer attacks use more sophisticated mechanisms to achieve hacker targets. Application layer attacks do not use traffic or sessions to flood the network, but slowly deplete resources on the application layer for specific applications/services. Application layer attacks are very effective at low traffic rates. From a protocol point of view, the traffic involved in the attacks may be legitimate. This makes application layer attacks more difficult to detect than other types of DDoS attacks. HTTP flood, DNS dictionary, Slowloris, and so on are examples of application layer attacks.