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2366同样一件事情，自己也听尹旭提及过，可是人家蒲俊就知道提前做功课，而自己却没有这样的意识。Why can't the poor get rid of poverty? Many experts and scholars are studying this problem, but they have not given a convincing answer. Until ten years ago, American economist Mullenathan found psychologist Shafir: "Let's study this problem together!"A fundamental and universal problem closely related to this aspect is related to the use of open DNS parser to launch DDoS attacks against Switzerland, an anti-spam organization. The open parser does not validate the IP address of the sender of the packet before sending back the DNS reply. Therefore, after the attacker deceives the victim's IP address, he can send a large amount of attack traffic to the victim, and the ratio of attack traffic to request traffic reaches 100: 1. DNS amplification attacks such as these have recently been used by hacker activists, blackmailers and blacklisted website hosts with great success.2017-07-22 15:41:20　　九·一八事变前夕，日军派矢野少佐对哈尔滨进行秘密勘察。猎户赵英雄无意中听到了矢野的绝密谈话。矢野杀人灭口，赵英雄被迫出手杀死矢野及其三名随从。赵英雄下山的途中遇到土匪火并，因被女匪一枝花的美貌吸引，出手救下了一枝花。为答谢赵英雄的救命之恩，一枝花要满足赵英雄一个要求。但谁也没想到，赵英雄提出的要求是让一枝花做他的女人。一枝花的手下翻脸。一枝花放言，她这一生只嫁英雄。赵英雄从此一心要成为英雄。For example, the above is only a simple literal quantity structure. All member variables above are accessed through Singleton, but it is not a single mode. Because the monomer pattern has a more important feature, that is, it can be instantiated only once. The above is only a class that cannot be instantiated, so it is not a monomer pattern. Object literal quantity is one of the methods used to create a single pattern;