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《乡里彩虹城里雨》是一部反映现实题材的电视连续剧。该剧以改革开放涌现的“打工潮”为历史背景，全方位描述青年男女外出务工及其留守在家的孩子、老人的生活，展现当前农村劳动力向城市转移出现的矛盾，揭示新农村建设的紧迫性，也塑造了一群可亲可爱的当代农民群像专门为韩国富豪家千金和少爷们设立的私立财团高中——神话学院，是一所超级白金学院，而被称为F4的四大家族继承人具俊表、尹智厚、苏易正、宋宇彬更是神话学院的象征。一天，平民出身的金丝草意外地闯入了只属于上流社会的神话学院，F4之首的具俊彪被这个跟上流社会格格不入、乐观开朗、顽强倔强的女孩所吸引。一段现代灰姑娘与王子的浪漫爱情故事由此展开。描绘已经多年没有恋爱的32岁单身理发师小松灯子，以及围绕她的人的爱情故事。某日，被一位编辑朋友委托为一位比他大十岁的漫画家化妆，前往典礼会场途中与曾经要好的高中同学相遇，从这一天开始迎来人生的桃花期。The SYN-Flood attack is currently the most common DDoS attack on the network, It is also the most classic denial of service attack. It takes advantage of a defect in the implementation of TCP protocol. By sending a large number of attack messages with forged source addresses to the ports where the network service is located, it may cause the half-open connection queue in the target server to be full, thus preventing other legitimate users from accessing. This kind of attack was discovered as early as 1996, but it still shows great vitality. Many operating systems, even firewalls and routers, cannot effectively defend against this kind of attack, and it is very difficult to trace it because it can easily forge the source address. Its packet characteristics are usually that the source sends a large number of SYN packets and lacks the last handshake ACK reply of the three handshakes.[Optional] The default virtual environment under Windows is placed in Envs under the user name, with folders such as desktop, My Documents, Downloads, etc. Change method: computer, properties, advanced system settings, environment variables, add WORKON_HOME, as shown in the figure (screenshot of windows 10 environment variable settings):玉米已经听不清他们在说什么了——他手臂和腿脚已经麻木僵直。We have seen that combining an OrderPizza method with a factory method (that is, the two methods in FactoryPizzaStore) forms a framework. In addition, the factory method encapsulates the production knowledge into each creator subclass, which can also form a framework.