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When many salesmen start to do business, they are often very energetic. They don't know what to do when they find customers, send samples and quote prices. They often lose all their achievements. In fact, you should keep asking him, when will your order come down, and keep asking him until there is a result. In fact, purchasing is waiting for us to ask him, just like a child does not cry, how do we know he is hungry?The most famous defense against model theft attacks is PATE (https://arxiv.org/abs/1802.08908), a privacy framework developed by Ian Goodfellow et al. As shown in the above figure, the key idea behind PATE is to divide the data and train multiple combined models to make decisions. This decision was then masked by noise from other different privacy systems.　　祝言之父亲，昔年因与今日成为高官的钱荣威结下仇怨，而遭到陷害并想霸占言之。幸亏得到新晋少将马承恩帮助，在祝父老朋友草头的帮助下，把女扮男装的言之安置在逍遥山内学习武功暂避。"Animals? Is it our common animal? Still can fly? What is that?"Today's problem mainly involves several: objects, triggering events, capturing events, executing processing, and blistering. This is actually the whole process of JS execution. The process of bubbling is very interesting. In fact, it is like a glass of water, but this glass of water is hierarchical, and the bottom is the object of the current trigger event. Then the higher the range, the larger the range. The top layer must be window and the penultimate layer must be document. In the process of floating up, the bubble will judge whether the layer currently reached has a binding event handling method. If there is any, the corresponding processing is executed. If not, it will continue to blister. Until you reach the top window window layer. We can do corresponding processing at any layer to prevent the event from continuing to bubble. The method is the method that calls the event object to prevent blistering. Event.stopPropagation (); The following is a process method written to verify JS event blistering.The newly trained classifier is compared with the previous classifier to estimate how much change has taken place. For example, you can perform a dark launch and compare two outputs over the same traffic. Alternatives include A/B testing and backtracking testing for a small portion of traffic.