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Note:For codes of the same length, theoretically, the further the coding distance between any two categories, the stronger the error correction capability. Therefore, when the code length is small, the theoretical optimal code can be calculated according to this principle. However, it is difficult to effectively determine the optimal code when the code length is slightly larger. In fact, this is an NP-hard problem. However, we usually do not need to obtain theoretical optimal codes, because non-optimal codes can often produce good enough classifiers in practice. On the other hand, it is not that the better the theoretical properties of coding, the better the classification performance, because the machine learning problem involves many factors, such as dismantling multiple classes into two "class subsets", and the difficulty of distinguishing the two class subsets formed by different dismantling methods is often different, that is, the difficulty of the two classification problems caused by them is different. Therefore, one theory has a good quality of error correction, but it leads to a difficult coding for the two-classification problem, which is worse than the other theory, but it leads to a simpler coding for the two-classification problem, and it is hard to say which is better or weaker in the final performance of the model.Use the following command to append a rule to the INPUT chain of the filter table, which means to accept all messages from 192.168. 1.146 destined for the local machine.Air Blade and other skills scratched on the ground are damage magic skills, because these skills are all slower than Batman damage triggering. That is to say, there will be little spill damage.老一代唢呐艺人焦三爷是个外冷内热的老人，看起来严肃古板，其实心怀热血。影片表现了在社会变革、民心浮躁的年代里，新老两代唢呐艺人为了信念的坚守所产生的真挚的师徒情、父子情、兄弟情。FOX宣布续订新剧《路西法》第二季。