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Large traffic attacks saturate the bandwidth and infrastructure of the network through massive traffic and consume them completely, thus realizing the purpose of flooding the network. Once the traffic exceeds the capacity of the network or the ability of the network to connect to other parts of the Internet, the network will not be accessible, as shown in the above figure. Examples of heavy traffic attacks include ICMP, fragmentation, and UDP floods.3. The state switching is not obvious, only the state variable is assigned, such as this.state = 'weakLight'. In actual development, such operations are easily missed by programmers. There is no way to clearly understand how many states there are in the light unless you patiently read all the code in the buttonWasPressed method. When there are many kinds of states, the process of a switch seems to be buried in a dark corner of a huge method.你有本事灭了好几个国家。脑神经外科天才医生孔马成，三年前偶然对女演员周喜悦伸出援手，并与她坠入爱河。不料就在两人约定好见面的那天，马成遇上了车祸，从此罹患「灰姑娘记忆障碍」，每天睡醒都会忘记之前的记忆，也与喜悦断了联系。三年后，因卷入骇人案件而身败名裂、只靠打工维生的喜悦，与马成再次相遇了……自从武则天时数有意的加重对科举的重视，有意扶持庶族地主打压士族地主，可是收效一直甚微。因女友自杀而患上抑郁症的警察阿斌（祖峰 饰）和搭档磊哥（陈明昊 饰）在调查一起碎尸案中，与被害者的姐姐李雪（黄璐 饰）相识。李雪自称梦见弟弟被人杀害。在调查过程中，阿斌发现李雪痛失女儿并患上抑郁症的悲惨经历，两人彼此怜悯，相互理解。 这时，在城市漂泊的少女婷婷（张倩如 饰）也渐渐走入阿斌（祖峰 饰）的生活，和他产生说不清的牵绊。 孤独的少女、备受抑郁症折磨的患者，他们都该如何面对自己的内心，又该如何在这个世界寻找光明……我们保持密切联系时所看到的是令人惊叹的人类戏剧。