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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.•自殺悲願（山崎努）她当即下令全线猛攻。In fact, there is another way to implement the state machine. The core of this method is table-driven. It can be clearly seen in the table that the next state is determined by the current state and behavior. This allows you to look for states in the table without having to define many conditional branches当大家对正在发生的第一次世界大战不敢妄加评论时，卓别林却拍摄本片来对战争大开玩笑，其过人胆识令人敬佩，而票房上的成功也证明卓别林的商业触觉敏锐。本片剧情描述流浪汉夏尔洛被征召入伍，到欧战前线去打仗。通过这名协约国小兵的荒谬遭遇，对德军将领与登堡及德国皇室大加讽刺，可以说是卓别林日后拍摄《大独裁者》一片的先声。大明地大物博，布料、陶瓷、茶叶等等都可以贩运。