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最终，安居置业成了关家一场永不完结的恶梦。到底爱一个人应坚持自己还是放开自己，才能拥抱最终的幸福？2. In the above example, a set of state objects are created for each Context object. In fact, these state objects can be shared, and each Context object can share one state object. This is also one of the application scenarios of the meta-sharing modeHow should we defend against this attack? First of all, as users, we try our best to download APP from regular channels and surf the Internet in a civilized manner, and try our best not to make broilers. Secondly, as a service manufacturer, when the server is attacked by DDoS, we try our best to improve the processing capacity of the server. When the processing capacity of our server is greater than that of the attacker, these attacks are nothing to the server. Finally, under normal circumstances, the processing capacity of our server is generally lower than that of the attacker. In view of this situation, there are currently the following methods: 1. Violent methods, such as setting an access frequency threshold, and rejecting when the number of accesses per IP unit time exceeds this threshold; For a certain service, if the instantaneous request is too large, choose to directly refuse to ensure the normal operation of other services; This method may result in normal users not being able to use it. 2. Verification code. In order to prevent normal users from being injured by exposure methods, at present, service providers will send verification codes to "users" when receiving a large number of requests. If it is a real user, it will input verification codes, but if it is a broiler, it will not. Through this method, the real user and the broiler will be distinguished.　　 白求恩来到特鲁疗养院治病，当时肺结核意味着不可救治。白求恩从《肺结核外科疗法》一书中发现了生的希望，他接受全新的疗法，一年后奇迹般地痊愈；他最终打动弗朗西丝，两人复婚。