题目: 题解:
class Solution {public void reverseString(char[] s) {int n s.length;for (int left 0, right n - 1; left < right; left, --right) {char tmp s[left];s[left] s[right];s[right] tmp;}}
}
git查看本地已commit但未push到远程服务器的提交 1、首先:
git status
输出: On branch xx Your branch is ahead of origin/xx by 1 commit. (use "git push" to publish your local commits) 显示本地有1笔提交未Push到远程。
如果像查…
BETWEEN AND用于判断某个字段的值是否在指定的范围之内,如果字段的值在指定范围内,则满足条件,该字段所在的记录将被査询出来,反之则不会被查询出来。其语法格式如下所示:
SELECT *|{字段名 1,字段名 2...}
FROM 表名…