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Handle (Handle or Descriptor, referred to as Handle under Windows and Descriptor under Linux): Essentially represents a resource (such as file descriptor or socket descriptor for network programming) provided by the operating system; This resource is used to represent events one by one, which can come from both the outside and the inside. External events such as the client's connection request, the data sent by the client, etc.; Internal events such as timing events generated by the operating system. It is essentially a file descriptor, and Handle is the birthplace of events.龙浩冉虽然遭遇了生活变故，但最终还是理性战胜感性，选择了恨铁不成钢的丈夫。即使前男友豪车相赠也不为所动，坚定的守护着自己的婚姻。浩冉的正确婚姻观感染了观众。该剧情节反映社会现实，也给不少观众带来了启发。剧中，浩冉面对生活中的困境一往无前，为当代奋斗青年的成长带来了满满的正能量。《岳父太囧》追妻过程，一波三折，堪比一部精彩的“游击战”。该剧情节反映社会现实，也给不少观众带来了启发。1989年《变形金刚——胜利之斗争》(Transformers Victory) 加入了大量的原创人物。北美方面除了超能擎天柱与各种各样傻乎乎的隐者战士还在大热卖外，又多了一样新的玩艺--大型的变形基地以及基地附带的MICRO MASTER(微型战士)。而MARVEL后期漫画方面几乎就是隐者战士的天下了，连钢索，爵士，大黄蜂，甚至红蜘蛛都被改造成了隐者战士。而霸天虎最后的首领居然是一个日本鬼武者之类的玩艺儿，早期的优秀作品如今已演变成了人类与机器人结合体的怪物大战了。总之汽车人最后在不知道怎么又复活的擎天柱的带领下稀里糊涂的胜利了。分明被欺负了，心下恼怒，暗道碰见本少爷算你倒霉，不给你点厉害瞧瞧，我就不是黄豆，我改扁豆。LINUX: Linux uses the variable tcp_max_syn_backlog to define the maximum half number of connections that the backlog queue can hold. In Redhat 7.3, the value of this variable defaults to 256, which is far from enough. A low-intensity SYN attack can fill up the half-connection queue. We can modify the value of this variable with the following command: