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Mysql FIND_IN_SET()用法
MySQL 中的 FIND_IN_SET 函数用于在逗号分隔的字符串列表中查找指定字符串的位置。它接受两个参数：要查找的字符串和逗号分隔的字符串列表。 语法如下： FIND_IN_SET(string, string_list) 其中，string 是要查找的字符串，string_list 是逗号分 ......
Docker启动报错：Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
问题描述： Docker启动报错：Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? Cannot connect to the Docker daemon ......
Tesla 财报解读 All In One
Tesla 财报解读 All In One
Tesla Investor Relations
特斯拉投资者关系
Cybertruck
Model Y / Model 3
2023 特斯拉 Q3季度财报解读
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CentOS 8 解决 Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist
原因 CentOS-8于2021年12月31日停止了源的服务。 解决办法 3.1. 备份原有的yum源配置文件 cd /etc/yum.repos.d/ mkdir bak; cp *.repo bak/ 执行如下命令，替换配置文件内容 sed -i 's/$releasever/8-stream/ ......
C# ref, in, out关键字
写在前面：大内老A的这篇“老生常谈：值类型VS引用类型”放在微信收藏里好几个月了，终于趁着要讲JAVA传参机制的时候仔细地按照这篇博客，自己写代码跑一下，对C#的传参，ref,in,out关键字有了一个更好的理解。因此本文仅记录自己的学习心得。 1.值传递&引用传递 2.ref关键字 3.in关键字 ......
sonarqube启动报错：You must address the points described in the following [2] lines before starting Elasticsearch.bootstrap check XXXmax numberXXXfor user[sonar] is too low .XXX check the logs at XXX/.log
You must address the points described in the following [2] lines before starting Elasticsearch.bootstrap check failure [1] of [2]: max number of threa ......
distributed-programming-in-java
WEEK 1 1 MAP-REDUCE HADOOP K-V pair Spark Resilient distributed dataset Page Rank Rank(B) = sum (Rank(A) / DEST_COUNT(A)) Week2 Socket JVM_A -> JVM_B ......
Pixie: A System for Recommending 3+ Billion Items to 200+ Million Users in Real-Time
目录概符号说明Pixie Eksombatchai C., Jindal P., Liu J. Z., Liu Y., Sharma R., Sugnet C., Ulrich M. and Leskovec J. Pixie: A system for recommending 3+ billio ......
B. Chips on the Board
B. Chips on the Board 题意：保证在n*n的棋盘上对于每一个点的列或者行都有一个筹码，也可以两个都有，问最小筹码：对于每一个筹码计算：a[i]+b[i]； 要使每个点都满足，最少的筹码的个数应该为n 1.对于行来看，如果每一行都有一个筹码，那么列就可以随便填：直接全选择最小的列 ......
Vivado生成bitstream时报错[Opt 31-67] Problem: A LUT3 cell in the design is missing a connection on input pin I1, which is used by the LUT equation
这个原因主要是因为有一个引脚没有用到，解决方法。 1、打开Schematic。 2、根据提示的模块去找，比如说我的报错。 [Opt 31-67] Problem: A LUT3 cell in the design is missing a connection on input pin I1, w ......
问题（小程序）：Uncaught (in promise) thirdScriptError {"errMsg":"redirectTo:fail can not redirectTo a tabbar page"} Object(env: Windows,mp,1.06.2308310; lib: 2.11.0)
这个是跳转出现了问题，点击之后跳转不过去。 解决办法：换一种跳转方式。 方式一：wx.redirectTo：关闭当前所在页面，再跳转到指定的非TabBar页面。不受页面层数限制。 方式二：wx.navigateTo：不关闭当前所在页面，跳转到指定的非TabBar页面，注意页面路径限制是五层。 方式三 ......
[921] Replace texts, copy formats, align paragraphs in a Word document by Python
The whole steps of this function are as follows: Open the Word document. Replace the text with the new text. Copy the format from the source cell to t ......
[918] Copy the formatting from one cell in a table of a Word document to another cell in Python
To copy the formatting from one cell in a table of a Word document to another cell, you can use the python-docx library in Python. Here's a step-by-st ......
[920] Copy the font style from one cell in a table of a Word document to another cell using Python
To copy the font style from one cell in a table of a Word document to another cell using Python and the python-docx library, you can access the font p ......
[919] Change the horizontal alignment of a cell to center within a table of a Word document using Python
To change the horizontal alignment of a cell to center within a table of a Word document using Python and the python-docx library, you can set the ali ......
[916] Replace text in a Word document using Python
To replace text in a Word document using Python, you can use the python-docx library, which allows you to work with Microsoft Word files (.docx). If y ......
[917] Replace text in a specific table within a Word document using Python
To replace text in a specific table within a Word document using Python, you can use the python-docx library to access and modify the content of the t ......
[915] Implementation of zooming to layer and exporting to PDF in arcpy
ref: Camera - ArcGIS Pro ref: Introduction to arcpy.mp # Set the path to your project file (.aprx) project_file = r"Map 1.3 Heritage.aprx" # Reference ......
错误：You can't specify target table 'xxx' for update in FROM clause的解决
delete FROM usrlogin where member_id=(SELECT member_id FROM usrlogin WHERE login_id='#011SkhVVje27smbxek0XwjKeA=='); 会出现报错信息： You can't specify target ......
Codeforces Round 872 (Div. 2) B. LuoTianyi and the Table
给一个 \(n \times m\) 的矩阵和 \(n \times m\) 个数，你需要把这些数填入矩阵。保证 \[\sum_{i=1}^n \sum_{j=1}^m \left ( \mathop{max}\limits_{1 \leq x \leq i, 1 \leq y \leq j} a_ ......
Macos安装pymssql时报错symbol not found in flat namespace '_bcp_batch'
从2.2.0开始就有很多人遇到类似的问题，但是一直没有明确的解决方案，一直到今天在官方仓库的issue找到了有人贡献的解决方案，经过实际测试有效，所以记录一下： brew install FreeTDS export CFLAGS="-I$(brew --prefix openssl)/includ ......
CF367C Sereja and the Arrangement of Numbers
这题首先上来会发现题目中的很多信息都是假的，核心就是问要构造一个\(x\)个点的完全图至少要多长的序列 我们把序列中相邻的两个元素看作图上的一条边，则可以把问题转化为：给一个\(x\)个点的完全图，问至少要走多长的路径才可以遍历图中的所有边至少一次 简单讨论下会发现当\(x\)为奇数时，此时图中每个 ......
TypeScript type predicates All In One
TypeScript type predicates All In One
类型谓词 / 类型断言
Narrowing / 类型收窄
type predicates
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Apple macOS Sonoma All In One
Apple macOS Sonoma All In One
HDR 240FPS 慢动作视频壁纸
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Cross-modal Moment Localization in Videos
Cross-modal Moment Localization in Videos 摘要：在本文中，我们探讨了时间时刻定位问题，即在未经剪辑的视频中定位自然语言查询所描述的视频时刻。这是一项通用但极具挑战性的视觉语言任务，因为它不仅需要对时刻进行定位，还需要对文本时间信息（如 "第一次 "和 "离开 ......
flex and bison usage in mysql
query parsing in mysql mysql source code version: 8.0.34 (from MYSQL_VERSION file) This an article from questions to understandings. which file does m ......
海外apple 登陆 快速配置 Sign In with Apple
登录 Apple 开发者账号。 我们需要获得具有 Sign In with Apple 功能的 App Id。 • 进入 Certificates, Identifiers & Profiles > Identifiers，然后单击 Identifiers 旁边左上角的 + 号； • 选择 App ......
[题解]CF1881G Anya and the Mysterious String
思路 发现如果一个字符串中有长度大于等于 \(2\) 回文子串，必定有长度为 \(2\) 的回文子串或长度为 \(3\) 的回文子串，并且形如：aa 和 aba。 所以考虑用线段树这两种情况。维护一段区间的最左、次左、最右、次右的元素，同时用两个标记变量 \(f_1,f_2\) 分别表示这个区间中是 ......