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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.There are basic injury formulas and analysis of perception effects, from which I learned a lot.刚刚成年的Yoyo（蔡卓妍饰）有众多的追求者，所以总是充满自信，觉得自己魅力非凡。她应父母的要求到英国跟指腹为婚的张十三（郑伊健饰）完婚。两人对这种荒谬的事情深感厌烦，却又无法违背长辈的意思，于是两人假扮结婚，一年后自动离婚。除前面倒座房外，二进三进院子，正房均是五正两耳共七间，东西是带跨院的厢房，是五间的格局。《X特工》是一部惊悚悬疑文武兼备的电视连续剧。以第二次世界大战中国上海地下抗日组织为背景，讲述了国共两党共同抗击日寇可歌可泣的英雄事迹……1942年第二次世界大战进入了更加残酷的白热化阶段。美国军部截获日本军方给上海日本驻军一秘密电文，但由于日方采用的是一次性解码系统，美方无法破译，因此美方要求中方尽快找到日军解码本。于此同时由于叛徒的出卖，日军在上海“特高课”总部“梅机关”汪伪特务组织76号联手对中方上海抗日地下组织发动了突然袭击，一夜之间，国共在上海地下组织几乎损失殆尽，军统上海站接到重庆密令，立即启动潜伏多年的王牌特工，代号为“铁铲”。令其不惜一切代价找到日军的解码本，查出敌人这次清剿行动背后的阴谋，同时中共也启动了资深的特工代号为“冰山”。但由于上海地下党组织大部分被破坏，一时与“冰山”无法取得联系。于是中共延安总部指令，香港地下党派遣新的领导人，潜入上海，并特指示长期潜伏在日伪控制区的金牌特工，汪秋霞；立即协助中方特工，重新恢复我上海地下抗日组织，设法查清敌人清剿行动背后真正的上世纪九十年代，北京什刹海边槐树胡同一个普通的小四合院，住着老牛一家三口，牛德山和周二玲老两口辛苦半辈，为儿女们操碎了心，希望大儿媳早点给她们抱孙子，可总是令他们失望，婆媳关系永远困扰着老人。好心帮孙子洗尿布，还被二儿媳嫌弃，小两口合伙来骗老人。在一家人经历了那么多大风大浪之后，老人还保有那份平淡，希望儿女们幸福平安。总的说来，一家人和和气气，日子过得有滋有味，老两口盼着家人和睦，盼着人丁兴旺，用浓浓的亲情传承着那份暖人肺腑的牵挂。It was found on Baidu Encyclopedia that this is also a traditional Chinese medicine. It is described as: bitter taste and flat nature; Harvest at the end of spring and dry in the sun; Runchang laxative; Main habitual constipation, abdominal pain.