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2025 年想成为全栈开发工程师!
Apr 14, 2025
mahone009

mahone009

V2EX member #617938, joined on 2023-03-09 00:46:07 +08:00
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mahone009's recent replies
Jan 24, 2025
Replied to a topic by chuck1in Java 一种让 Java 不再落后的技术栈
最讨厌这种培训机构式的营销, xxx 快淘汰了, xxx 马上要起飞了, 结果点进去一看您需要支付 xx 元才能享受本教学, 能不能再恶心点? 恰烂钱别恶心别人
Aug 14, 2024
Replied to a topic by jaween Java Java 小白问个问题
贴一下源码看看呢, 全局搜==0 看能不能找到具体位置
大佬求带, 我也是近段时间才开始打算做独立开发, 目前有两个方向, 但不知道怎么开头, 求拉交流群
Apr 4, 2024
Replied to a topic by mahone009 Vue.js 请教 element-ui cascader 问题
@Krue 关闭弹窗时, 手动给子组件的 path 置为空
Apr 3, 2024
Replied to a topic by mahone009 Vue.js 请教 element-ui cascader 问题
@chenluo0429
@sjhhjx0122 解决了, 谢谢大佬们
Mar 5, 2024
Replied to a topic by mahone009 MySQL MySQL 问题求助
已解决!!!
Mar 5, 2024
Replied to a topic by mahone009 MySQL MySQL 问题求助
@Vegetable 大佬, 我想查出来的数据是
dept_id emp_name
10 张华
20 张航天
30 王小明
Mar 5, 2024
Replied to a topic by mahone009 MySQL MySQL 问题求助
理想查询数据为
dept_id emp_name
10 张华
20 张航天
30 王小明
Mar 5, 2024
Replied to a topic by mahone009 MySQL MySQL 问题求助
目前只能写出某个部门的领导者信息, 比如查询 20 号部门领导人
SELECT
*
FROM
emp
WHERE
emp_id IN ( SELECT t1.emp_id FROM emp t1 INNER JOIN emp t2 ON t1.emp_id = t2.manager_id WHERE t2.dept_id = 20 )
AND
dept_id = 20
Nov 3, 2023
Replied to a topic by YangPC Java 欢迎大家加入 Java 技术开发讨论群
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