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小葱……喃喃低语中，不知今夕是何年，更不知是何日。5. Intermediary modelI manually added a few comments to the above log. By default, Activity/ViewGroup/View does not intercept non-consumption events. It is easy to see from the log that the down event has gone through the following process, the following is the distribution process, and the following is the consumption process. If no one intercepts the distribution, the event will be passed down to the child view. If the child view does not consume the event, it will be passed to the parent view for consumption, i.e. The onTouchEvent of the parent view will be called back in turn.//and B methods; Method A and method B write specific business logic in subclasses in turn.In order to prevent SYN attacks, SynAttackProtect mechanism is embedded in TCP/IP protocol stack of Win2000 system, and Win2003 system also adopts this mechanism. SynAttackProtect mechanism enables the system to handle more SYN connections by turning off some socket options, adding additional connection indications and reducing timeout time, so as to achieve the purpose of preventing SYN attacks. By default, the SynAttackProtect protection mechanism is not supported on the Win2000 operating system, and the SynAttackProtect key value needs to be increased at the following location in the registry:现在听先生这么一说……凡事有利有弊，魏豹能够看出汉军的优势，难道看不出劣势吗？却为何只字不提呢？显而易见。In the exchange, apart from the necessary schedule discussion, Sun Yimin's teacher and the person in charge were full of expectation and encouragement when talking about contemporary students, but they were more exclamatory about college students' employment, postgraduate entrance examination and entrepreneurship.