you

Vue 3 Deep Dive with Evan You

什么是 DOM? 如果我们把这个 HTML 加载到浏览器中,浏览器创建这些节点,用来显示网页。所以这个HTML映射到一系列DOM节点,然后我们可以使用JavaScript进行操作。例如: let item = document.getElementByTagName('h1')[0] item.te ......
Deep Dive Evan with Vue

ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.问题的解决

# 问题描述 想要在linux系统里面使用mysql时,出现了这样的报错信息 # 问题解决 ``` mysql> set global validate_password_policy=LOW; mysql> set global validate_password_length=9; ``` ![ ......
statement executing password before 问题

yum安装时提示:This system is not registered with an entitlement server. You can use subscription-manager

问题 原因 Subscription Manager订阅管理器,它会让你一直register,禁用就好。 解决 [root@localhost ~]# vim /etc/yum/pluginconf.d/subscription-manager.conf [main] enabled=0 #将它禁用 ......

elasticsearch中的数据类型search_as_you_type及查看底层Lucene索引

search_as_you_type字段类型用于自动补全,当用户输入搜索关键词的时候,还没输完就可以提示用户相关内容。as_you_type应该是说当你打字的时候。它会给索引里的这个类型的字段添加一些子字段_2gram _3gram和_index_prefix。_2gram的意思是,如果一个值是ab ......

Never Gonna Give You Up

记录被 Assimilation IV never gonna give up 的瞬间。 一看这个 $n \leq 20$,直接状压。然后被去重诈骗了 $114514$ 秒。 因为可以发现最后所有灯都会被点。。。所以其实操作就是一个 $1 \sim n$ 的排列。。。然后直接计算每盏灯的期望和。。。 ......
Never Gonna Give You Up

Git:Vscode提交报错Make sure you configure your "user.name" and "user.email" in git

使用VScode编辑代码后,Push到云端报错:Make sure you configure your "user.name" and "user.email" in git 解决步骤: 1.进入本地端的文件夹,右键Git Bash; 2.输入命令: $ git config --global u ......
quot user configure Vscode email

MySql中You can't specify target table for update in FROM clause

## MySql中You can't specify target table for update in FROM clause 问题描述:当我执行下面这段语句时,出现了这个bug ```sql UPDATE account set status=1 where id in ( select id ......
specify clause target update MySql

Django 标签未注册解决办法 Invalid block tag on line 9: 'ifequal'. Did you forget to register or load this tag?

这是一个常见问题,但不要担心!一旦您了解了导致模板标记错误的原因,无论是拼写错误、语法还是忘记加载库,就可以轻松修复它。 Django 中的标签是什么? Django 中的标签为 Django 模板添加了特殊功能,允许您在模板中执行操作。例如,使用标签,您可以以特定格式显示数据、循环访问上下文变量中 ......
tag register Invalid ifequal 标签

Updates were rejected because the remote contains work that you do

今天在idea里面创建了一个项目,然后又在gitee中创建了一个项目,然后我打算把idea上面的那个小demo上传到我的gitee仓库中,结果一直报 Updates were rejected because the remote contains work that you do这样的错误,其中原 ......
rejected contains Updates because remote

Code as you want, fail as you expect.

蚌埠住了。总结写了一坨没了。现在是速通版。~~废话没了。~~ ## 差分约束 注意 queue 换 stack、SLF、判断出队次数等优化。 以及 SPFA 最短路跑出来答案最大,反之亦然。 ## 换根 dp 可以根据定义去换。此外因为 $f_v$ 是从 $f_u$ 过来的,换根可以对 $f_v$ ......
you expect Code as want

mysql中 You can’t specify target table for update in FROM clause 解决方案

在mysql中更新数据,出现 You can't specify target table for update in FROM clause 错误,这句话意思是说,不能先select出同一表中的某些值,再update这个表(在同一语句中)。 update table set del_flag = ......
解决方案 specify 方案 clause target

翻译If you do not leave me, we will die together.

If you do not leave me, we will die together. 翻译If you do not leave me, we will die together. 刚在一个QQ群里看到的,很有意思!录于下,与大家分享。 请用汉语翻译下面的英语句子: If you do not ......
together leave will you die

P6665 Forget You

补完番后来做一下这道题。 首先考虑 $n=1$ 怎么做。一个很直观的感觉是,如果将一组集合进行首尾配对,即 $(1,a_i),(2,a_i-1),\cdots$,那么每一对中的两个数地位均等(即在所有方案中的出现次数均等)。证明可以考虑将所有方案进行配对,$(p_1,p_2,\cdots,p_l)$ ......
Forget P6665 6665 You

You are using the runtime-only build of Vue where the template compiler is not available ,页面自定义带template内容的组件无法渲染,控制台报错

使用vue-cli搭建的项目,页面自定义带template内容的组件无法渲染,控制台报错,页面不展示组件内容,代码如下: <template> <div class="hello"> my-component:<my-component></my-component> </div> </templa ......
template 控制台 runtime-only 组件 the

error: ‘strdup’ was not declared in this scope; did you mean ‘StrDup’ fileno

{ https://news.68idc.cn/buildlang/20150627387345.html } { 函数名: strdup; 功能: 将串拷贝到新建的位置处; 用法: char *strdup(char *str); strdup属于GNU C++的函数, 不是标准(std)C++的 ......
declared StrDup strdup fileno error

踩坑日记:java.lang.IllegalStateException: For queries with named parameters you need to use provide ...

今天的错误是这个:java.lang.IllegalStateException: For queries with named parameters you need to use provide names for method parameters. Use @Param for query ......

You must install or update .NET to run this application

# You must install or update .NET to run this application ## 问题原因 在使用 .net的环境时,出现这个 “You must install or update .NET to run this application” 说明版本不符合 ......
application install update must this

Python报错 | ImportError: To be able to use evaluate-metric/seqeval, you need to install the following dependencies['seqeval'] using 'pip install seqeval' for instance'

**报错信息** 使用`metric = evaluate.load("seqeval")`的时候,报如下错误: ```python ImportError: To be able to use evaluate-metric/seqeval, you need to install the fol ......

1798.maximum number of consecutive values you can make

Description 1798.maximum-number-of-consecutive-values-you-can-make Solution Greedy algorithm + dynamic programming First, we sort the array in ascendi ......
consecutive maximum number values 1798

LLM is all you need for the backend

一、LLM给软件开发范式带来了什么改变? 人们一直在说Github Copilot将取代程序员。我们认为这是错误的。我们已经有了类似GPT-4这种强大的LLM模型,却还要把自己限制在编写传统代码上吗?不!所有代码都有bug! 代码不是对业务逻辑进行编码的理想方式,代码必须经过审查,并且它按照程序员的 ......
backend need LLM all for

报错CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False

1. 该错误是由django产生的 当Django的DEBUG设置为False时,但是未设置ALLOWED_HOSTS时会触发 所以我们需要在settings.py文件中设置ALLOWED_HOSTS 进行如下设置,问题就解决了 # settings.py DEBUG = False ALLOWED ......

安装 MySQL for Windows 时报错 The configuration for MySQL Server 8.0.34 has failed. You can find more information about the failures in the 'Log' tab. 解决方法

今天在安装 MySQL for Windows 时报错 ```txt The configuration for MySQL Server 8.0.34 has failed. You can find more information about the failures in the 'Log' ......
MySQL configuration information for the

You can’t specify target table ‘aaa′ for update in FROM clause

You can’t specify target table ‘aaa′ for update in FROM clause 使用MySQL 执行DELETE FROM时,若子查询的 FROM 子句和更新/删除对象使用同一张表,会出现错误。 针对“同一张表”这个限制,撇开效率不谈,多数情况下都可以通 ......
specify clause target update table

更新旧版本的 Deno 报错解决 error: You do not have write permission to /opt/homebrew/bin/deno

# 更新旧版本的 Deno 报错解决 error: You do not have write permission to /opt/homebrew/bin/deno 参考1:https://www.denojs.cn/manual/getting_started/installation 参考1 ......
permission homebrew 版本 error write

红帽报错:This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.

原因:Red Hat Subscription Manager订阅管理器未订阅注册 解决:禁用 配置文件: /etc/yum/pluginconf.d/subscription-manager.conf # vim /etc/yum/pluginconf.d/subscription-manager ......

idea报错 java: You aren't using a compiler supported by lombok, so lombok will not work and has been dis

转‘’: idea较新版本识别不了lombok生成的方法 在这增加参数: -Djps.track.ap.dependencies=false ......
lombok supported compiler using idea

You don't have write permissions for the /System/Library/Frameworks/Ruby.framework/Versions/x.x/usr/lib/ruby/gems/x.x.x directory.

Gem Error ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions for the /System/Library/Frameworks/Ruby.framework ......

mysql报错:You must reset your password using ALTER USER statement before executing this statement.

mysql报错:You must reset your password using ALTER USER statement before executing this statement.新安装mysql后,登录后,执行任何命令都会报错:You must reset your password ......
statement executing password before mysql

ERROR: YOU HAVE NOT CONCLUDED YOUR MERGE (MERGE_HEAD EXISTS). GIT PULL拉取代码失败!

$ git push To ssh://47.95.35.53:2222/php-item/php-test.git ! [rejected] master -> master (non-fast-forward) error: failed to push some refs to 'ssh:// ......
MERGE MERGE_HEAD CONCLUDED 代码 EXISTS

使用you-get下载视频网站的各种视频

第一步安装python,因为you-get是用python写的,需要python的环境支持。 1.1 到https://www.python.org/downloads/下载,直接点那个Download Python x.x.x下载最新版即可,像这样: 作者:达叔傻乐 链接:https://www. ......
视频 you-get 网站 you get