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原来，是被人砍中了马腿。Netfilter is the real security framework for firewalls. Netfilter is located in kernel space.把帖子大概浏览一遍后，陈启关掉网页，离开电脑桌，给自己泡了一杯茶。英布乔装打扮之后，带着几个随从，绕道进入衡山国内。　　从插队知青变成“保姆”的奚美娟，女儿因是当红歌星而对其实是生母的“保姆”态度骄横跋扈，面对身为雇主的亲生女儿却含泪不能相认。《保姆妈妈》还有更多的现实故事元素，如巫刚扮演的大学教授当年在做知青时，曾为前途不惜抛妻弃子，高露扮演的红歌星未婚先有子等，都是社会上各种现象的缩影。For example, in the back-end system, There are tabular data, Each piece of data is preceded by a check box button, When you click the check box button, After obtaining the id, it needs to be passed to the server to send an ajax request. The server needs to record this data, To request, if we send an http request to the server every time we click, For the server, the pressure is relatively high and the network requests are frequent. However, if the real-time data of the system is not very high now, we can collect all ID for a period of time (e.g. 2-3 seconds) through a proxy function and send AJAX requests to the server at one time. Relatively speaking, the network requests are reduced and the server pressure is reduced.