mysql8自动创建时间和自动更新时间
MySQL8设置自动创建时间和自动更新时间的实现方法
目录业务场景:功能实现:DDL 脚本语法:1、新增字段create_time语法2、修改字段create_time语法3、新增字段update_time 语法4、修改字段update_time 语法总结业务场景:[详细]
2023-03-10 09:03 分类:数据库Can I use Duff's Device on an array in C?
I have a loop here and I want to make it run faster. I am passing in a large array. I recently heard of Duff\'s Device ca开发者_运维百科n it be applied to this for loop? any ideas?[详细]
2022-12-28 14:44 分类:问答
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