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As mentioned above, SYN attacks can be prevented by increasing the backlog queue. In addition, reducing timeout time also enables the system to process more SYN requests. We know that the timeout timeout, that is, the half-connection lifetime, is the sum of the timeout times that the system waits for all retransmissions. The larger this value, the longer the half-connection takes up the backlog queue and the fewer SYN requests the system can handle. In order to shorten the timeout time, it can be realized by shortening the retransmission timeout time (usually the first retransmission timeout time) and reducing the number of retransmissions.该剧是一部反映现实生活的伤感戏，剧情以蓝梦歌厅老板惠洁(原知青)与从乡下进城逃债的陈子祥(原知青办主任)之间的文革旧事为线索展开情节。蓝梦歌厅经理惠洁过去曾是知青，当年曾被人强暴的她内心深处有极大的创伤。多年后，时代变革改变了她的外表，她经营有方，事业大成，名声斐然。正待她走出精神创伤，即将与一手培养的男歌星罗刚结婚时，陈子祥带着他与惠洁的私生女杨玲意外地创进了她的生活祥以杨玲为筹码向惠洁骗钱，而罗刚则迷上了杨玲告吹，陈子祥异想天开地想与惠洁重温旧梦，进而纠缠不休，罗刚携杨玲出走，他的毁约使惠洁的歌厅损失巨大。私生女的曝光，歌厅的倒闭，摧垮了惠洁的感情支柱，她终于选择了与陈子祥同归于尽的道路。大明奇才解缙，以其超人的才华和胆识，幽默而机智地为众多忠臣义士解脱困危，为广大黎民百姓伸张正义，为昏君佞臣设置障碍，为江山社稷消祸除灾。在生死回旋之中，解缙居然能官至文渊阁(代宰相位)。大明王朝永乐年间，右春坊大学士解缙率3千多文人墨客，历时4年，完成中国乃至世界第一部浩瀚的大百科全书《永乐大典》的编撰工作，功在当代，利在千秋!《永乐大典》全书2万2千8百17卷，历经沧桑，幸存之书被国家图书馆收藏，列为国宝!文明与愚昧的对峙，进步与落后的冲突，忠臣与佞臣的较量，幽默与荒唐的碰撞，撞击出一段诙谐凝重的历史，演绎出一部引人入胜的好戏！　　 白求恩来到特鲁疗养院治病，当时肺结核意味着不可救治。白求恩从《肺结核外科疗法》一书中发现了生的希望，他接受全新的疗法，一年后奇迹般地痊愈；他最终打动弗朗西丝，两人复婚。To view this page at any time, press Ctrl + H (Windows and Linux only).D > B enters the synchronized block, and since instance is not null at this time, it immediately leaves the synchronized block and returns the result to the program calling the method. E > At this point, thread B intends to use the Singleton instance, only to find that it has not been initialized, so an error occurs. Therefore, there is still the possibility of errors in the program. In fact, the running process of the program is very complicated. From this, we can see that it is more difficult and challenging to write programs especially in multi-threaded environment. We further optimized the program:1. How does the strategy of each product line or division link up with the overall strategy of the company or group?