摘要:
1. 修改数据库的字符集 和 排序规则为: ALTER DATABASE database_name CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci; 2.修改数据表的 字符集 和 默认排序规则,有几个修改几个: ALTER TABLE Ta 阅读全文
摘要:
Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have ex 阅读全文