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FlyWeightFactory is responsible for creating and managing meta-units. When a client requests, the factory needs to check whether there are eligible objects in the current object pool. If so, it returns the existing object. If not, it creates a new object. FlyWeight is a superclass. When it comes to shared pools, It is easy to think of JDBC connection pooling in Java, Considering the characteristics of each connection, It is not difficult for us to sum up: Applies to several objects that are shared, They have some common attributes, Take the database connection pool as an example, url, driverClassName, username, password and dbname, these attributes are the same for each connection, so it is suitable to use the meta-sharing mode to process, build a factory class, take the above similar attributes as internal data and the others as external data, and pass them in as parameters when calling methods, thus saving space and reducing the number of instances.局面已经相当的棘手了，千万不可以再雪上加霜。Model Stealing Technology: Used to detect "stealing" (i.e. Copying) models or restore the identity of training data through black boxes. For example, this can be used to steal stock market prediction models and spam filtering models so as to use them or to optimize them more effectively.Jia Hongwei used to be an armed police officer. After he retired, he did some small business, but he didn't make much money. By chance, he met Sony, the principal offender who was once the first mate on an Indonesian ship. Sony is also a talented person. He is not only the first mate at a young age, but also has mastered eight languages. Naturally, he is very familiar with sailing. Sony also introduced Weng Siliang to Jia Hongwei. So the three began to plot a robbery at sea.谢谢你们。《村井之恋》是岛顺太在JenLINE上连载的网络漫画真人化的爱情喜剧。讲述了真心爱上少女游戏中推荐的角色的宅女教师和与那位老师恋爱后不顾一切猛进的男生之间的恋爱故事。Account No.: 824880031410001