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摘要: java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Integer 解决方案: Long countLong = 3L; // java.lang.Number是Integer,Long的父类. Numbe 阅读全文
posted @ 2019-11-20 18:01 踏步 阅读(130) 评论(0) 推荐(0) 编辑
摘要: 小霸王其乐无穷:https://www.yikm.net/ 圈猫:http://www.mvcat.com/game/catch-the-cat/ 3D旋转动画 ![image](https://img2020.cnblogs.com/blog/1751422/202107/1751422-2021 阅读全文
posted @ 2019-11-20 16:55 踏步 阅读(930) 评论(0) 推荐(0) 编辑
摘要: 查询数据库表 SELECT concat(TABLE_SCHEMA,".",TABLE_NAME) as tableName,TABLE_COMMENT,ENGINE,TABLE_ROWS FROM information_schema.TABLES where 1=1 and TABLE_SCHE 阅读全文
posted @ 2019-11-20 14:55 踏步 阅读(114) 评论(0) 推荐(0) 编辑