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5. Os.rmdir ()--Delete the specified directoryRecently, I have made a preliminary investigation on DDOS attacks, and have some superficial understanding of the causes of DDOS attacks and their detection and defense mechanisms. This paper focuses on some thoughts on DDOS attacks in metropolitan area network environment under traditional network architecture.刘大胖子几乎要落泪，拉着张槐的手只叫出一声：槐子……张槐笑道：我先有事，忙着没空去，又想着我爹和板栗都去了，我再去，人家该笑话咱们想把送的礼给吃回来。(1) Reactor on the server side is a thread object, which will start the event loop and use Selector to realize IO multiplexing. Register an Acceptor event handler into the Reactor, which is concerned with the ACCEPT event, so that the Reactor listens for the connection request event (ACCEPT event) initiated by the client to the server.东江港公安局局长江河临危受命为东江港港务局局长兼党委书记。上任第二天，东江港客运站的裕泰号客轮突然遭遇船沉江底的事故，东江港的重要合作伙伴——琊山煤矿总会计师方秋萍神秘失踪。善后工作疑云密布，险象丛生。之后，江河率领港口上下众志成城，不仅战胜了特大洪水的自然灾害，而且大刀阔斧实行改革，东江港在上海证券交易所敲响上市的钟声，收购A国R港获得成功，积极促进“一带一路”国际合作，标志着东江港驶入了建设世界一流港口的快车道。请问您有什么需要？陈启走进电脑城，就有人上前说道。她知道，只要板栗哥哥在自己身边，她就不用担心自身安危，因此心无旁骛地寻机刺杀敌人。