The content of the website is stored on the source server, and the CDN is the cache of the content. Users are only allowed to access the CDN. If the content is not on the CDN, the CDN sends a request to the source server. In this way, as long as the CDN is large enough, it can resist great attacks. However, this method has a premise that most of the content of the website must be statically cached. For websites (such as forums) with dynamic content as the main content, we must think of other ways to minimize users' requests for dynamic data.
Invoke invokes the delegate's instance method to execute the method
整整一天，新安一直笼罩在沉重的气氛中，压得人有些喘不过气来。
不叫，自己又起不来身。
Through these two examples, we can see that everyone has different understanding of the division of operations, because what I have done has not changed much, but it is different in the eyes of different people, because everyone has different understanding of the target products.
How to handle reports from headquarters in different places?
当年堪称好莱坞一流喜剧明星的蒂姆·艾伦可以说引导了当时喜剧路线的发展。他主演的《圣诞老人》系列票房一路高奏凯歌，像1994年主演的《圣诞老人》的票房在美本土共收1亿4400万美元，成为当年最大的黑马；还有为3D动画鼻祖《玩具总动员》的配音更是经典绝伦。
夏天，是一个其貌不扬的女孩，在广播电台担任栏目编辑，有一次她无意中听到妈妈和自己同母异父的妹妹—悠悠谈论婚礼时说：“看着吧，到时你姐一定会穿着宽宽松松的黑色衣服、还是那么胖然后独自一人来参加你的婚礼”。母亲这句话让夏天瞬间失去理智，两人发生激烈口角，夏天与妈妈打赌，说自己一定会带着男朋友出席妹妹的婚礼，让所有人看到自己的蜕变。如果自己做到，就不能把外婆留下的房子卖掉，因为那里有夏天所有的童年回忆。妈妈同意了这个赌约，此时距离悠悠的婚礼还有278天。夏天通过电台早间的栏目诉说了自己的经历以及与母亲的赌约，得到了许多观众的认同，也同时在广播中吸引了很多前来约会的对象，在一次次失败的约会后，夏天逐渐成熟、勇敢，再也不是那个自卑的胖女孩。妹妹的婚礼将至，直到最后才发现其实真爱就在身边。
In the past, Osaka Weaving House hardly seriously considered member marketing. This is because there are too many zombie fans in the member system and the unit price of customers is low. No matter WeChat or SMS, they are no different from harassment in communication scenes and have little effect.
Dark Attribute Enhancement +9
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We never expected that the most dramatic thing happened in the afternoon. At about 3 pm, the person in charge of the platform arrived at the scene and reached an agreement privately after communicating with the investors on the scene. Under the "escort" of the investors, they went to the bank to transfer money to the investors on the spot, and then the investors accompanied on the spot got the money, so the person in charge of the platform ran away.
你认为我是来送死的？小鱼儿略带讥笑的说道。
What are the advantages and disadvantages of OvO and OvR?
Ctrl + B: grid capture mode control (F9)
徐文长感觉到了一种浓浓的东西。
不违背。
板栗看见三人，忙问道：六弟，怎么不进去？大苞谷笑道：大哥先进去，我跟黛丝和珊瑚说几句话
Lalin，在曼谷的警察局重案组工作，是个脾气火爆的女警。当她回家过节时，发现妹妹Khing怀了一个曼谷男人的孩子。她们家尤其是Lalin想要这个该死的父亲承担责任，但是他们并不知道这人是谁。Khing拒绝透露此人身份。
