LeeCode打卡第二十四天
第一题:对称二叉树(LeeCode第101题):
给你一个二叉树的根节点 root , 检查它是否轴对称。 /*** Definition for a binary tree node.* public class TreeNode {* int val;* TreeNode left;* …
1.SQL表创建
下面以时间范围进行创建(每月一个分区,表中创建了四个月的分区)
创建:CREATE TABLE test_table ( id INT NOT NULL AUTO_INCREMENT, content VARCHAR(255), create_time DATETIME NOT NULL,PRIMARY KEY (id, cre…
What is Side Effect’s? 副作用是什么?
Side Effects is a change in the state of the application that occurs outside the scope of the composable function and is not related to the UI. In non-UI related state changes, our screen may recompose mor…