During the establishment of a tcp connection, If the server returns syn and ack messages, The client does not confirm it for some reason. This is because the server needs to retransmit the syn + ack message and wait for the client's confirmation message until the tcp connection timeout. This state of waiting for the client to confirm the connection is usually called a half-open connection. The half-open connection will be kept in the connection table of the server until the connection is disconnected.
该剧改编自英国著名科幻小说家道格拉斯·亚当斯的同名系列小说。主角怪探德克，常常通过剖析事物之间基本的内在联系来破案。伊利亚·伍德饰演德克的助手托德。
The above example show that that default policy for the FORWARD chain in the filter table is set to ACCEPT
3. We can also manually specify the starting position of the node, which does not mean that we have to start from the actual node.
该剧改编自2013年同名人气网漫，讲述财阀二世、“唯一集团”副会长、颜值实力兼具的男主李英俊，和在他身边如影随形、既当秘书又当司机、能力满分的9年女秘书金美素的故事。
风云变，天机现，天下见安危。君临天下，江湖一统，却是灰飞烟灭更孤单。 风云变，天机现。擅长星相之术的庞太师与辽国王子惊雷勾结，借天降郧石之机谋害宋皇。千钧一发，包拯智救皇驾于危难。此时，辽国使团抵达京师，竟悉数毙命于绎站，公主傲雪神秘失踪，举国震惊，二国战争一触即发。 而凶杀现场竟留下拯之帝赐信物，作为头号嫌疑，虽八贤王拼死相救，拯仍被太师“斩立决”。人头落地，拯却已被神秘人掉包逃出生天，从此亡命江湖。 拯无意邂逅傲雪，无奈傲雪神秘失忆，为破“辽使案”只得带傲雪于身边，却惹来连番追杀：辽国毒王灭口药王全家、知府公子操纵赌局引出连环凶杀、业牧人“幻术”控制信众、江洋大盗“翠宁五虎”横霸江湖，“疯雉症”瘟疫一方、“虫儿会”杀手、”天地盟“鬼差杀人于无形，一时江湖腥风四起，杀机四伏。拯抽丝剥茧，然每次行动却无功而返，拯巧设玄机，终将八贤王身边庞太师卧底收为麾下，真相浮出水面，却发现所有的一切竟与”辽使案“有着千丝万缕的关系，其幕后黑手直指江湖神秘组织”天地盟“，阴谋惊天。
It can be seen that when jumping from FirstActivity to SecondActivity at the beginning, taskId changed, the ID of FirstActivity was 863, but it changed to 864 when jumping to SecondActivity, and then the ID of instance and task did not change every time jumping to SecondActivity later. Talk about the returned scene
《美丽新天地》讲述的是香港人来上海创业奋斗的故事。已经成功摆脱花瓶形象的范冰冰在剧中扮演性格复杂的上海女子程琳，与张智霖、杨恭如、邓健泓及高云翔共同演绎了一段微妙暧昧而又曲折动人的“五角恋”。
黑道人物马田改邪归正，却为偿还昔日一笔人情债而毅然再投身黑帮买卖。岂料这次交易逼使马田堕入陷阱，被夹在黑白两道中间。在家人与自己性命备受威胁之下，他只好一面替警员加云作卧底，一面为黑帮头目尊尼亚做买卖。
④ ServerBootstrapAcceptor's readChannel method registers the SocketChannel (client connection) to the Selector of a NioEventLoop in the workerGroup (NioEventLoopGroup) and registers READ events that are of interest to SocketChannel. Start the event loop of NioEventLoop where SocketChannel is located, and then the communication between the client and the server can begin.
宋初九原本是个软包子，痴爱着萧墨清，然而萧墨清心中只有白月光苏璃，当初不得已才跟宋初九结婚，竟可以眼看着宋初九被人欺负，落得尊严全无。突然间，宋初九醒悟了，变得超A超飒，一手对抗情敌，一手虐渣男的幸福生活就这样开始了！
活泼开朗的林碧如在与英俊潇洒的楚明仁相处中,相互好感并偷尝禁果,而国为楚明仁娶了富家女邓培英,林碧如带着生下的男孩林少齐辛苦地过了二十年。小齐也长大了，在一次偶然中得罪了邓和楚生的儿子楚辰峰，而楚又看上了文明青梅竹马的女友，于是，为生自学成才而拼搏的碧如，又陷入了和楚明仁、邓培英之间复杂的感情纠葛
很显然到了这个程度几乎是以命搏命的程度，谁也不敢有丝毫的退让。
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这是一个充满浓情蜜意，而又空灵无比、古怪谐趣的仙凡爱情故事。
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Distributed Denial of Service Attacks: Multiple attackers in different locations attack one or several targets at the same time, Or one or more attackers take control of multiple machines located in different locations and use these machines to attack the victim simultaneously. This kind of attack is called Distributed Denial of Service attack because the point of origin of the attack is distributed in different places.
该作品主要讲述了三个少年为了保护电脑世界而与魔王卡恩德吉法展开斗争的故事。
