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In Wenchuan, Huang Weiping found that those people he was eager to "rescue" did not need him at all at present. "It feels good that you can play a role in a grand event and help others. It's nothing more than looking for a sense of self-existence and wanting to live." Huang Weiping frankly analyzed his psychology in those days.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.买房子,而是生活的"地方"! 人活得像个人的条件和价值以及关于爱情的故事。Manaca, to put it bluntly, is a subway card. By charging money into the card, you only need to swipe your card when entering or leaving the subway, and you don't need to buy a ticket. In addition, the vending machine in the subway can also use Manaca credit card to pay, which is very convenient.郦食其摇头道：妥当与否谈不上，现在只能这么做。If the actions modified by the current user reach a certain value, such as 50, the system will automatically pop up the window being saved and save the mind map.