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In order to establish a reliable cross-validation method, you must have a good understanding of the data and the challenges you face. I will also check and ensure that the validation set has a similar distribution to the training set and the test set, and try my best to ensure that the final model improves in both local validation and ranking.李宝英饰演尹智秀，她是独自抚养着孩子的坚强的单亲妈妈。她曾经是受人追捧的检察长家的千金，但因为事故失去家人，辛苦过着每一天。韩在贤和尹智秀相爱着，迎来了第一个花样年华。在对人生感到疲劳的中年以完全不同的境遇重逢，延续着爱情故事。结果。小孩子四年会有什么样的变化，养了六个孩子的郑氏最清楚。"I think the battle with these" killer bees "will not end so simply, will it? So did more bitter fighting take place later on at position 149?"Upgrade:The multi-Reactor thread mode divides "accepting the connection request from the client" and "communicating with the client" into two Reactor threads to complete. MainReactor completes the operation of receiving the client connection request. It is not responsible for the communication with the client, but transfers the established connection to the subReactor thread to complete the communication with the client, so that the following client connection request will not be processed immediately due to the large amount of read () data. In addition, the multi-Reactor thread mode can also distribute massive connections to multiple subReactor threads by implementing the subReactor thread pool under the condition of massive concurrent requests from clients, which can greatly improve the application load and throughput in a multi-core operating system.