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(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.青年设计师秦放（张彬彬 饰）在一次寻根过程中，因一次意外与沉睡数十年的司藤（景甜 饰）相遇，在帮助司藤寻找身世真相的过程中，两人彼此相知并克服重重阻碍共同成长的故事。Private User user1;1. When two motor boats meet in opposite or near opposite directions, thus posing a danger of collision, they shall each turn right and thus each pass on the port side of the other ship.Explain that in the OrderPizza method, we do a lot of things, including calling the CreatePizza method to generate a desired pizza, and then doing a series of operations on the pizza. The key point is that Pizza is defined as an abstract class, which means that in the OrderPizza method we don't care what type this Pizza is at runtime, in other words, this is decoupling. The coupling between PizzaStore and Pizza is uncoupled.上世纪70年代，因哑巴的缺陷而一直打光棍的佟林在家门口捡到一个女婴，虽不能言语但天性善良的他收养了女婴，并给女婴起名“阿美”。因为阿美，佟林受下乡返城没有工作着落的妹妹佟燕的挤兑，将工作和房子都让了出去，自己则带着阿美外出租房，并以收破烂为生，靠着微薄的收入独自抚养阿美。父女俩每天最欢乐的时光，是佟林为阿美弹奏那些收来的旧乐器，阿美每每都兴奋地手舞足蹈，这也是佟林最开心的时刻。中考时，老师劝说阿美报考音乐附中，但是因高额的学费，阿美不忍再给父亲增加负担而拒绝了老师；佟林得知后，一心为了阿美的前途考虑，替阿美做主报了名，自己则又偷偷地多打了几份工。当阿美学有成就时，佟林却因为成年累月的劳作而罹患了癌症，阿美怀着深深的感恩之情为父亲佟林唱起了《酒干倘卖无》