Since the single mode is instantiated only once, the first call returns an instance object of a. When we continue to call, the instance of b is the instance of a, so aa is printed below.
尚贤（宋康昊 饰）经营洗衣店，可惜生意淡静更负债累累。好兄弟东洙（姜栋元 饰）本身是孤儿，为“婴儿暂存箱”机构工作。在一个雨夜，他们竟秘密带走其中一个箱里的男婴。翌日，年轻的母亲素英（李知恩 饰）却找...
This kind of attack was discovered as early as 1996, but it still shows great vitality. Many operating systems, even firewalls and routers, cannot effectively defend against this kind of attack, and it is very difficult to trace it because it can easily forge the source address. Its packet characteristics are usually that the source sends a large number of SYN packets and lacks the last handshake ACK reply of the three handshakes.
《摩斯探长前传》第五季将于2018年2月回归ITV，本季共六集，剧情以1968年为背景。
So you said that the protective equipment did not play a protective role, Of course it did, In those days, Bulletproof vests and other things are still not popular, Helmets are the most important protective gear, I am lucky to wear a helmet, Otherwise, I would have been a martyr long ago, and I chose whether to wear a helmet or a cloth hat. There is no mandatory regulation. I heard that the artillery of the Vietnamese army at position 149 is relatively fierce, so I chose a helmet to enhance the protection of my head. I didn't expect it to be of great use in this place. To be honest, every time I think about it, I still "thank myself." Zhang Xiaobo said here and subconsciously touched his head, as if he were glad that he was wearing a helmet at that time. Otherwise, according to the description of the lethality of this large killing insect, not to mention five or one nailed to his head, the consequences would be unimaginable.
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:
IT is the abbreviation of Information Technology, which means "information technology" and includes modern computer, network, communication and other information technologies. The widespread application of IT is a sign of entering the information society.
不管点些什么，都请交给我吧♪
《朝鲜浪漫喜剧–绿豆传》，为韩国KBS 2TV于2019年9月30日起播出的月火剧（周一、周二），改编自同名人气网络漫画，由《三流之路》金东辉导演执导，《云画的月光》林艺珍作家与《姜德顺爱情变迁史》白素妍作家共同执笔。本剧描述了扮成女人潜伏在神秘的寡妇村的全绿豆（男主），和不想成为妓生的女孩董东珠（女主），各自怀着秘密并相遇后，展开一段不可思议的浪漫爱情喜剧。
《ComeComeEverybody》为NHK预定于2021年秋季播出的第105部晨间小说连续剧,由上白石萌音,深津绘里,川荣李奈主演。故事描述大正末期日本广播开始之年,祖母安子出生于冈山县的和菓子店,为人温柔直率的安子每天被红豆香气所包围,并祈愿日后家庭的幸福与长久,但战争夺走了她的丈夫,自己也受到开播的英语广播节目影响,将女儿瑠衣独自留在日本只身赴美追梦。1950年代,瑠衣因母亲的影响而憎恨她及使两人分开的英语,但却一脚陷入爵士乐的世界而感到救赎。尔后瑠衣的女儿日向出生于和平及经济飞涨的时代,一直仰慕时代剧的日向最终找到自己在英语广播的定位,祖孙三人同时聆听着相同的英语广播节目,开启未来的道路。
-We still have a roll of toilet paper. Do you want to share it?
世界卫生组织（WHO）派来小林荣子(檀丽饰)调查原因，并阻止感染扩大化。见到荣子后，松冈大为震动。原来两人本是一对恋人，由于荣子出国工作，他们才分道扬镳。荣子当机立断隔离整栋医院大楼，并要求医院收容新病人，采取优先治疗有希望病患的手段。松冈起先不赞成荣子雷厉风行缺乏人情味的出世作风
该剧根据柯南·道尔的《夏洛克·福尔摩斯》系列小说改编，背景从原作的19世纪末伦敦转移至现代纽约，讲述天赋异禀、擅长推理演绎的前苏格兰场顾问夏洛克·福尔摩斯，因药物上瘾而来到纽约的康戒中心修养，并担任当地警方的顾问。在生活重新渐渐回到正轨后，夏洛克结识一位名叫琼恩·华生的戒断看护，二人搭档参与解决了众多疑难案件。
《名侦探柯南：红之校外旅行 鲜红篇&恋红篇》为柯南系列特别篇，为《名侦探柯南》第290个案件。故事讲述柯南在暂时恢复为工藤新一时，恰巧为帝丹高中校外旅行时期，一行人前往京都参访，在清水寺认识了女演员鞍知景子，新一被请托解读暗号，却在过程中遇上杀人事件，犯罪现场更留下疑似天狗袭击的痕迹。在一连串的骚动中，新一能否解开暗号，让真相拨云见日？
上世纪30年代，日本侵略者的铁蹄肆意践踏神州大地，华夏儿女沦为亡国奴，更惨遭日寇荼毒，中华民族到了生死存亡的时刻。时至此时，国民党、共产党纷纷奋起反抗，而隐藏在民间的高手也不愿束手就擒，坐以待毙，他们贡献出自己的绵薄之力，书写出一段段可歌可泣的抗日奇侠史。为了壮大抗日的队伍，共产党某营营长王牧风（王新军饰）吸收了廖天生（徐亮饰）、宋无娇（尔玛依娜饰）、鬼魂铁柱（李嘉明饰）、杜大鹏（马京京饰）等武功高手加入组织，他们成为了最令日寇头疼的奇侠部队……
If you need to go to more than two scenic spots in one day, you strongly recommend a one-day bus ticket, which can be purchased in the stationmaster's room, the bus, the automatic ticketing machine and other places, which is very convenient.
一辆红旗轿车行驶在通往杨河沟镇崎岖不平的山路上，黄川县委办公室副主任戴兴想借机过把车瘾，没想到这瘾就过大发了。“红旗”一头栽进了路边的水坑，怎么也爬不出来了。远远地来了一群孩子，带头的孩子是杨立仁，老黄招呼孩子们帮忙推车，少年说给钱就帮忙。好不容易成交了，其中一个女孩又崴了脚。少年提出这是“工伤”，得用车把他们送到镇上，戴兴答应了。老黄这个气呀：这杨河沟的人真是穷疯了……
Arbor Networks' Pravail Availability Protection System (APS) is specially designed for enterprises. It provides DDoS attack identification and mitigation functions that can be used after opening packages and have been tested in practice. Such functions can be deployed quickly with few configurations and even in the process of attack occurrence. Pravail APS focuses on protecting the network boundary from threats to availability, especially providing protection against application layer DDoS attacks, and can meet the increasingly severe challenges faced by managers when they are in DDoS attacks. By using a series of countermeasures, Pravail APS detects and blocks DDoS attacks, especially in cloud environment.
The parameter factory can be a function, an object or a string. ?
