duplicated multiple columns remove
[Vue warn]: Error compiling template: Component template should contain exactly one root element. If you are using v-if on multiple elements, use v-else-if to chain them instead.
##报错信息: [Vue warn]: Error compiling template: Component template should contain exactly one root element. If you are using v-if on multiple elements, ......
QT构建报错error: multiple target patterns
# QT构建报错error: multiple target patterns ## 原因 之前一直没有出过问题，但是在我修改了cmd的默认编码后，该问题出现了。原因就是使用`chcp 65001`命令修改cmd编码的方式每次会在命令行中输入`Active code page: 65001`这句话， ......
pandas.DataFrame.duplicated—返回表示重复行的布尔集合
https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.duplicated.html 语法格式 DataFrame.duplicated(subset=None, keep='first') 参数解释： ......
English Learning Articles 2023-06-08 Multiple insomnia symptoms raise stroke risk in people under 50, study says
Multiple insomnia symptoms raise stroke risk in people under 50, study says If you have trouble falling asleep or staying asleep, wake up too early mo ......
4_How to Host Multiple Websites on One Server
地址：https://www.codewithharry.com/blogpost/host-multiple-websites-ubuntu-vps/ How to Host Multiple Websites on Ubuntu VPS? An apache2 web server provid ......
2_Transferring Files, Passwordless login & Managing multiple servers
原文：https://www.codewithharry.com/blogpost/transferring-files-passwordless-login-ubuntu-20-04/ Transferring Files, Passwordless login & Managing multip ......
Django修改数据库时出错 django.db.utils.OperationalError: (1091, "Can't DROP 'content'; check that column/key exists")
记录下简单的处理方法： 报错信息： django.db.utils.OperationalError: (1091, "Can't DROP 'content'; check that column/key exists") 可能数据库中的字段结构已经完成了此字段的修改但是在 python mana ......
[LeetCode] 2352. Equal Row and Column Pairs
Given a 0-indexed n x n integer matrix grid, return the number of pairs (ri, cj) such that row ri and column cj are equal. A row and column pair is co ......
Programming: elimination array duplicate
JavaScript 1. splice let arr = [1, 2, 3, 5, 6, 4, 3, 2, 1, 1, 2, 3, 4, 5] for(let i = 0; i < arr.length - 1; ++i) { for(let j = i + 1; j < arr.length; ......
mysql 特有的 重复的主键 更新on duplicate key update
insert into harm_behavor_info (id, name, age, hobby, del_status) values (1, 'xc', '28','跑步', 0) on duplicate key update del_status = 0,age=values(age) ......
The 'Access-Control-Allow-Origin' header contains multiple values'*, *', but only one is allowed.
**报错内容** The 'Access-Control-Allow-Origin' header contains multiple values '*, http://192.168.237.131', but only one is allowed. Have the server send ......
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.
问题现象为通过kubectl进入pods时提示在未来版本中将移除这种进入这种方式，需要使用新的命令格式进入 ```sh [root@master ~]# kubectl exec myweb-c5xq6 -it /bin/bash kubectl exec [POD] [COMMAND] is DE ......
Resource [logback.xml] occurs multiple times on the classpath.
15:16:57,390 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Could NOT find resource [logback.groovy] 15:16:57,390 |-INFO in ch.qos.logback. ......
tar 命令压缩时报错 Removing leading `/' from member names 解决方法
在使用 tar 命令进行压缩打包的时候我们常常会遇到下面的错误：Removing leading `/' from member names。虽然它不会影响我们最后的压缩打包，但是间接说明了我们的命令是有问题的。接下来我们来看看解决的方法。 ......
django.db.utils.integrityerror: (1048, "Column 'phone' cannot be null")
1 背景: 模型表中字段为: phone = models.CharField(default='', max_length=64, verbose_name=u'电话', blank=True) 2 分析: 在保存模型实例时, ‘phone’被设置为空值. 但是该字段在数据库中被设置为(NOT N ......
MyBatis集成Oracle报:java.sql.SQLException: Invalid column type: 1111
1. 报错日志： ```java org.springframework.jdbc.UncategorizedSQLException: Error setting null for parameter #12 with JdbcType OTHER . Try setting a differen ......
docker删除网络报错：Error response from daemon: error while removing network
在安装harbor发现docker的network已经存在了 然后直径ls去查看发现存在如下，然后去rm删除的时候发现删不掉 [root@st-test-hemu-harbor-2 harbor]<20230529 11:37:11># docker network ls NETWORK ID NA ......
<el-table-column type="selection" 多选框旁边多了个点
问题效果 解决方式 ......
Incorrect table definition； there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT
Incorrect table definition； there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT ......
源端为备库的场景下Duplicate失败问题
**环境：** Oracle 11.2.0.3 + OEL 7.9 A -> B -> C 级联ADG环境：db11g -> db11gadg -> db11gcas 之前测试提到，从一级备库duplicate到二级备库会报错： ```shell RMAN-00571: RMAN-00569: ER ......
[React Typescript] Overriding and Removing Component Props
Using Omit import { ComponentProps } from 'react'; import { Equal, Expect } from '../helpers/type-utils'; export const Input = ( props: Omit<Component ......
CodeForces1061C Multiplicity
## 题面翻译 从序列 $\{a_1,\ a_2,\ ..\ ,\ a_n\}$ 中选出**非空**子序列 $\{b_1,\ b_2,\ ..\ ,\ b_k\}$，一个子序列合法需要满足 $\forall\ i \in [1,\ k],\ i\ |\ b_i$。求有多少互不相等的合法子序列，答案对 ......
TheForces Round #13 (Boombastic-Forces) G. Permutation Removal
感觉好久没有写过这样单独一篇题目的博客了的说 昨天上大物课的时候ztc问了我这道题，然后我口胡了下感觉还挺有趣的 不过其它题目就没啥时间看了，正巧最近在练DP专题，就顺手记录一下吧 这题的数据范围和问题一眼区间DP的形式，直接设$f_{l,r}$表示区间$[l,r]$的答案 刚开始naive地认为直 ......
wordpress 优化备份还原插件duplicator-pro-4_5_3_2的使用填坑
创建备份我这边没有出错，就不说了 插件下载地址：https://www.wpjzb.com/wp-plugins/duplicator-pro/ 我是应的是 https://pan.baidu.com/share/init?surl=YRss-vqBVY2Twv1tBid9fQ 提取码: ibns ......
Duplicate class androidx.lifecycle.ViewModelLazy found in modules lifecycle-viewmodel-2.5.1-runtime
AS版本： Android Studio Bumblebee | 2021.1.1 Patch 1Build #AI-211.7628.21.2111.8139111, built on February 2, 2022Runtime version: 11.0.11+9-b60-7590822 a ......
mysql 5.7 Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column ...报错
https://www.shuzhiduo.com/A/gGdX3BNp54/ https://blog.csdn.net/wufaqidong1/article/details/126263023 使用mysql在执行一条插入语句时 insert into channel(channel_id, ......
Remove-Migration : 找不到接受实际参数“Test”的位置形式参数。
一、前言 在使用数据迁移命令的时候，想把上一次的迁移记录给删除， 二、过程 因为有两个版本的ef，需要指定版本来使用 于是我在包管理器执行EntityFrameworkCore\Remove-Migration Test的时候 于是我把这个参数Test给删了试试看，以为成功了，结果还是不行，之后我试 ......
centos(linux):yum报错:removing mirrorlist with no valid mirrors的处理(centos 6.10)
一，报错 [root@osc ~]# yum install -y python3-pip Loaded plugins: fastestmirror, security Setting up Install Process Determining fastest mirrors YumRepo E ......
string replace multiple items
Do a str.replace('; ', ', ') and then a str.split(', ') or import re re.split('; |, ', string_to_split) >>> a='Beautiful, is; better*than\nugly' >>> i ......