戈壁堂

三九为午 先Run起来再说G&P

Mysql

查看数据库大小 refer official documentation DATA_LENGTH is the length (or size) of all data in the table (in bytes). INDEX_LENGTH is the length (or size) of the index file for the table (also in bytes). SELECT table_schema AS "Database", ROUND(SUM(data_length + index_length) / 1024 / 1024, 2) AS "Size (MB)" FROM information_schema.TABLES GROUP BY table_schema; # 返回结果类似—— Database

Linked list problems solution

linked-list Problem 2 Add Two Numbers 2. Add Two Numbers Medium You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. You may assume the two numbers do not contain any leading zero, except the number 0 itself. Example: Input: (2 ->

docker practice

https://docker_practice.gitee.io/ https://github.com/gebitang/docker_practice opensources curl -fsSL https://mirrors.ustc.edu.cn/docker-ce/linux/ubuntu/gpg | sudo apt-key add - OK