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9-12 Multiple Modules: Store User classes in one module and Privileges and Admin classes in another module. Create another file, create an Admin instance in it, and call the method show_privileges () on it to make sure everything is still running correctly. ?The way bad guys behave should also become the code of conduct for good people. Information sharing and cooperation are the best ways to combat malicious activities.More than a decade ago, the U.S. Cyber Command began to develop a digital weapon: a malicious computer worm called Stuxnet. This may be the world's first digital weapon. As reported by the New York Times, it was originally used against the Iranian government to obstruct Iran's nuclear program. In covert operations and military secrets, the U.S. Government has never publicly admitted the super factory virus, nor has the Israeli government publicly admitted to cooperating with the U.S. Government in developing the virus.As mentioned above, SYN attacks can be prevented by increasing the backlog queue. In addition, reducing timeout time also enables the system to process more SYN requests. We know that the timeout timeout, that is, the half-connection lifetime, is the sum of the timeout times that the system waits for all retransmissions. The larger this value, the longer the half-connection takes up the backlog queue and the fewer SYN requests the system can handle. In order to shorten the timeout time, it can be realized by shortening the retransmission timeout time (usually the first retransmission timeout time) and reducing the number of retransmissions.周勃只是祈祷着，希望荥阳那边不好受到蒙骗轻易出兵才好。该剧是一部讲述为了复仇而与恶魔做交易的律师李泰京（崔振赫饰），为了家人而成为了恶魔的男人宋武勇（孙贤周饰），在女演员连锁失踪事件中相遇的两个男人的黑暗欲望，和揭开韩国VVIP们隐藏的背面的社会恐怖片。2.3 Total Quality Management