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In this way, through the call to the Bridge class, the call to the implementation classes SourceSub1 and SourceSub2 of the interface Sourceable is realized. Next, I will draw another picture, and everyone should understand it, because this picture is the principle of our JDBC connection, which has the basis of database learning, and we will understand it as soon as we combine it.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:虽然谢逊没有杀成昆，但是对于成昆这样的人，这样活着恐怕比死要痛苦得多。When using Word to divide columns, we encounter the problem of uneven left and right columns. For example, the content in the left column is obviously much more than that in the right column.1. In the border breakout mode, a variety of team formation forms will be provided, including single, double, three and five team formation modes. Players can choose according to their preferences. Different team formation modes will only match the corresponding players. For example, the single team formation mode will only match with other single matching players:　　与此同时，世界各地相继发生了各种入侵超古代遗迹的事件。而GUTS-SELECT（精英胜利队）也迎来了新的队长——时冈（中村优一 饰），众人开启了调查。Return mediator;