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有时某人出错了牌，气得把桌子捶得咚咚响。同时阅读这两部小说，让人都不由产生一种头昏目眩的感觉。你一声咳嗽，我便知你是谁。Through the management of the connection pool, the sharing of database connections is realized, and the connection does not need to be recreated every time, thus saving the overhead of database recreation and improving the performance of the system!张杨便又仔细端详，果然字体虽然刚硬，然笔锋转折处无不圆润自如，有飘逸之风，于是笑说果然如此。Rubber smooth soft ball: This kind of ball is suitable for people with a certain basketball foundation, but it is not a basketball enthusiast with too strong strength. Due to its good hand feeling, it reduces dribbling pressure and shooting resistance. However, beginners feel stiff and easy to slip with this kind of ball, and easy to get rid of layups.If an application uses a large number of objects, and a large number of these objects cause a large storage overhead, it should be considered. Also, most of the states of the object are external states. If you delete the external states of the object, you can replace many groups of objects with relatively few shared objects, or you can consider using the meta-sharing mode.