The full name of DDoS is Distributed Denial of Service, which means "Distributed Denial of Service" in Chinese. Commonly known as flood attack, DDoS uses a large number of legitimate distributed servers to send requests to targets, thus causing normal legitimate users to be unable to obtain services.
This class can meet the basic requirements, but if we put a class like this without thread safety protection into a multi-threaded environment, there will definitely be problems. How to solve them? The first thing we think of is adding the synchronized keyword to the getInstance method, as follows:
直到前些日子，一切都发生了改变了，汉王特意派人将她和他的父母从关中接到走。
各路敌手齐聚浔阳城，意欲袭击身受重伤的苏离，陈长生无视华介夫的劝告，决意拼死护卫为保护人族而负伤的苏离；陈长生在用燃剑、慧剑战梁王孙的同时，终于学会笨剑，成功抵挡肖张，但自此烧尽真元，失去战斗力，所幸王破出现，绝地反击肖张和梁王孙.......
不然，身边净是些阿谀之徒，捧高踩低，让人气闷。
The role of members;
Only three matches are needed for three people to play round robin matches. There were three rounds, one match in each round, and one person was empty.
民国时期，神偷多只手（石天 饰）纵横天下，他的偷技高超，鲜逢敌手。更为难得的是，多只手是一个侠盗，专门做劫富济贫、惩恶扬善的义举。他还收养了七个无家可归的孤儿，和他们一起建立一个快乐的神仙窝。他还有个梦想，能早日攒够钱办孤儿院。
也不必对分……拿到我的那份便好。
A flash said, "My ship is turning right";
《爱情公寓之球爱酒吧》是国内首部以足球为背景的网络情景喜剧，它讲述了一个发生在名为“骚客”的足球酒吧，有球、有爱、有笑、有泪，奇葩创意层出不穷的故事。酒吧老板苏克是个有重度处女座洁癖的球迷囧男，为了抵御对面高富帅酒吧的韩范老板朴教授，联合毒舌御姐女招待祁丹、没谱花少主厨大罗，还有热爱自拍的呆萌90后波波组成的不靠谱青春联盟，展开了一次又一次令人捧腹大笑又创意无限的斗智斗勇。
可是这传国玉玺确是真品，当年有人跟随刘邦，曾经见过此物。
该剧讲述女主人公虽然向往慢生活，却入职潮流最前线的数码杂志社，作为编辑在潮流最前线孤军奋战的故事。
故事发生在小瘦受整容专家Gus（Petch饰演）以及他的好“姐妹”——用生命热爱舞蹈的大块头受受Golf（PingPong饰演）、由攻变受的肌肉男Kim（Der饰演）和唯一的美女嫩模Natty（Peek饰演）之间。当三个娘娘腔不约而同地失恋后，开始了他们寻找真爱的旅程。
2. Bear
In fact, the truth...
他们夫妻并非有多看中刘家，不过都是为了儿子罢了。
我们家有许多女人，所以我不用弄这些，就等着吃现成的好了。
江湖风雨，快意恩仇，忠魂虎胆，义烈千秋！尽在《武松》。
Where do women of the four blood types hate most when others meet them?
