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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.不仅有一个千万盟，还有了百盟。CW续订《罗斯威尔》第二季。No.78 Chelsea IslandI nodded at this passage, Understand that what Zhang Xiaobo said is indeed reasonable, It is not a lie, Here I think it is necessary to give you one thing about popular science. So we have to say something digressive: The result of a real bullet hitting a petrol tank is not the same as that shown in most movies. One shot can explode the petrol tank, But this is not the case, Although a pure metal projectile will rub against the air at a speed of hundreds of meters per second to generate equivalent heat, And will produce sparks after hitting the metal oil drum, But none of this is enough to ignite petrol, Especially for gasoline with a large total amount, to ignite gasoline, please remember one thing-open flame must be used. In addition, gasoline is a flammable item, but it is not an explosive item in the true sense. Only after reaching a certain total amount can explosion be caused. If the total amount is insufficient, it can only cause combustion without explosion.一群勤劳的道路工人在一对争吵不休的父子的带领下，意外惊醒了一个古老的爱尔兰吸血鬼，他们必须熬过这一夜。二十一世纪初的一个冬天，单蓝的哥哥和嫂子在孕检途中出了车祸，嫂子和腹中胎儿丧命，哥哥也被撞成重伤丧失记忆。单国强悲痛欲绝欲寻短见，单蓝为了安慰父亲，承诺等自己结婚时一定招一个上门女婿。单蓝和丁博文相爱并结婚生子。陈玉得知自己的孙子竟然随了“母姓”而坚决反对，一场姓氏大战旋即爆发，最终单蓝一气之下抱孩子离家出走，丁博文在寻找妻子时也车祸受伤。为孩子的姓氏而争，把家庭间的幸福争没了，把亲情间的温暖争没了，一个原本可以幸福美满的家庭面临“肢解”，得不偿失。至此，两家人终于明白了——孩子姓什么不重要，重要的是血脉与亲情的延续，幸福与和谐的永存，这才是真正的大爱。