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Dr Eric Cole, a cyber security expert, told Futuristic Technology magazine: "The first and most important point is to realize that this is a real threat and may happen." Cole added that for laymen, the best defense is to know where your information is stored electronically and to back up any important information locally. Even if cloud storage is often touted as a more secure network service, it will not be immune to targeted attacks that destroy supporting infrastructure or maintain the power grid of the framework.For example, in Java, the Selector's select () method is used to implement this synchronous blocking operation waiting for an event to occur. In the implementation of select () under Linux operating system, a) will call epollCtl (epfd, opcode, fd, events) to register the events that have been registered in Initiation Dispatcher into Linux system, where fd means Handle and events means Handle events that we are interested in; B) Synchronize the occurrence of a blocked wait registered event by calling the epollWait method. Events on different event sources may occur at the same time. Once an event is triggered, the epollWait method will return. C) Finally, find the associated SelectorKeyImpl object by the event that occurred, set the event that occurred to the ready state, and then put the SelectorKeyImpl into the selectedSet. In this way, we can get the event-ready SelectorKeyImpl collection through the Selector.selectedKeys () method.玩了这么些天，也该收心，趁着这两日，把那书捡起来温习温习。A year later, a friend of Xiaobian's came to Nagoya to play and asked Xiaobian about the scenic spots recommended by Xiaobian. Xiaobian said this sentence without thinking:赵锋愣住了：肃王府？刚才之前，肃王府还跟他没关系，眼下可不同了。Organizational Capacity Support (STEP 7): The achievement of key tasks and KPI requires the support of organizational capacity. BLM provides the thinking direction of organizational support from the aspects of atmosphere culture, formal organization and key talents respectively. The strategic planning team has the responsibility to put forward constructive requirements or plans for the improvement of organizational capacity and promote relevant departments to implement them.