On the one hand, the core components of the network infrastructure have never changed in the past ten years, which makes some discovered and exploited vulnerabilities and some mature attack tools have a long life cycle and are still valid even today. On the other hand, the rapid development of the application of the Internet seven-layer model has diversified the attack targets of DDoS. From the web to DNS, from the three-layer network to the seven-layer application, from the protocol stack to the application App, the endless new products have also given hackers more opportunities and breakthrough points. Moreover, DDoS protection is a project with unequal technology and cost. Often, the construction cost of a business's DDoS defense system is larger than the cost or benefit of the business itself, which makes many start-up companies or small Internet companies unwilling to make more investment.
海马船分别接近，果无开炮，遂贴近接舷。
15.6 eyes and their accessory diseases were cured with unqualified eye dysfunction.
Public int calculation (int num1, int num2) {
礼堂悬灯结彩，装点得花团锦簇。
平面模特李莉和乐队主唱谭耀两个处在迷茫期的年轻人相遇相爱，和一行人面对梦想、爱情、现实时的挣扎与选择的故事。
据称将聚焦一段更加暗黑、疼痛、现实的校园爱情：一个神秘的女孩新进入一所学校，她喜欢穿松垮的衣服，走路一瘸一拐。女孩加入了校报编辑部，让一个同事男孩无法忘怀。当他慢慢接近她，将学习到自己从未想象过的初恋、心碎、失去。
《Million Doll》是一部以福冈县糸岛市的地方偶像·伊特莉欧以及打算借助博客的力量将她捧红的家里蹲偶像宅·数子为中心描绘的偶像群像剧
[News] On August 26, The World Wide Web reported that "Zimbabwe's President ordered the arrest of the delegation for failing to win a medal in the Olympics", According to reports from Taiwan's "Central News Agency" and Nigeria's media PM News website on August 25, President Mugabe was outraged by the Zimbabwean Olympic delegation's failure to win medals at the Rio Olympics. He ordered the country's police chief to arrest and detain the Zimbabwean Olympic delegation. The delegation was arrested as soon as it arrived at Harare International Airport on the 23rd. Netease, Phoenix, Dongfang, Yangguang and other websites reprinted one after another.
高中生宅男安芸伦也某日在樱花飘散的斜坡上命运般地遇见了班上不出众的普通少女加藤惠。
Go and see, won't be disappointed!
绝对没有网络小说没有的。
你要再推的话，朕就贬了你。
[Book Club Reading Help]
清道光年间。漫天风雪的关外。一对年青夫妇带着一年仅七岁之孩童涉水逃命，后面追来的，是以武当第一剑客高俊忠为首的一群朝廷中的超级高手。夫妇奋勇抵抗，二人武功虽高，然寡不敌众，终在草料场里被围，一场大火，少妇为救夫战死，男人亦身受重伤，只剩下头部受了重击而藏在远处山洞里的儿子，在雪地上寻找着双亲！少妇，正是严咏春（陈秀雯饰），男子，正是洪熙官（卢惠光饰），而那患了失忆的儿子，正是洪文定。
隐藏在“App驱动”中的谜团，处在应用兽所潜藏的网络世界与现实世界之间的不可思议的“场”，以及2只应用兽进化的“App合体”到底是什么？“利维坦”真正的目标究竟是…！？
Considering performance, the whole program only needs to create an instance once, so performance will not have any impact.
It is more expensive to take the subway in Japan than in China. Take Nagoya as an example. The subway fare starts at 200 yen (adults), which is about RMB 12 yuan, and the most expensive is 330 yen (the fare for children is 100-160 yen).
张大栓父子和板栗自然也在。
Threads a > A and B enter the first if judgment at the same time. B > A enters the synchronized block first, and since instance is null, it executes instance=new Singleton ();
