526互联

economist from the to

The 1st Universal Cup. Stage 0: Nanjing (Trial Contest)

比赛链接 题面懒得写了。 A. Stop, Yesterday Please No More 袋鼠移动相当于边界和洞移动。通过模拟可以得出：不考虑洞，移动后剩余袋鼠的矩形。以及假设洞在原点，移动后形成的轨迹形状。 枚举洞在哪个位置，多干掉的袋鼠就是两个几何图形的交。由于洞的移动轨迹较复杂，我们考虑让 ......
Universal Contest Nanjing Stage Trial

Maven-Introduction to the Dependency Mechanism | Maven实战--- dependencies与dependencyManagement的区别

Maven – Introduction to the Dependency Mechanism https://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html#:~:text=The de ......
Maven dependencyManagement Maven-Introduction Introduction dependencies

Json.Net Deserialize a Collection from BSON

Deserialize a Collection from BSON (newtonsoft.com) This sample sets ReadRootValueAsArray to true so the root BSON value is correctly read as an array ......
Deserialize Collection Json BSON from

2002 - Can't connect to server on '54.xxx.xxx.xxx' (36)

远程连接mysql数据库的时候显示Can't connect to MySQL server (10060) 如下图所示 可以从以下几个方面入手，找出错误的原因： 1.网络问题 网络不通时会导致这个问题 检查下是不是能ping通 2.mysql账户设置 mysql账户是否不允许远程连接 -- mys ......
xxx 39 connect server 2002

Capture a TCP dump from a Linux node in an AKS cluster

https://learn.microsoft.com/en-us/troubleshoot/azure/azure-kubernetes/capture-tcp-dump-linux-node-aks https://learn.microsoft.com/en-us/azure/aks/node ......
Capture cluster Linux dump from

报错: Failed to execute ‘append‘ on ‘FormData‘: 2 arguments required, but only 1 present.

未能对“FormData”执行“append”：需要2个参数，但仅存在1个参数。 let formData=new FormData() 本来 formData.append(‘list’，JSON.stringify(arr)) 改成下边这样了，就报错了 formData.append(JSON. ......
arguments FormData required execute present

How to Enable Root Login Via SSH on Ubuntu 23.10

* [How to Enable Root Login Via SSH on Ubuntu 23.10 - Devtutorial](https://devtutorial.io/how-to-enable-root-login-via-ssh-on-ubuntu-23-10-p3230.html# ......
Enable Ubuntu 23.10 Login Root

The 2nd Universal Cup. Stage 3: Binjiang

比赛链接 没做完。 A. Almost Prefix Concatenation 给定字符串 \(S,T\)。称一个串是好的，当且仅当可以通过修改不超过一个字符使其成为 \(T\) 的前缀。 称一个把 \(S\) 划分成 \(n\) 个非空子串 \(S_1,S_2,\cdots,S_n\) 的方案是 ......
Universal Binjiang Stage The 2nd

React项目中报错：Parsing error: The keyword 'import' is reservedeslint

记得更改完配置后，要重启编辑器（如：VSCode）!!! 记得更改完配置后，要重启编辑器（如：VSCode）!!! 记得更改完配置后，要重启编辑器（如：VSCode）!!! 这个错误通常发生在你尝试在一个不支持 ES6 模块语法的环境中使用 import 关键字。 ESLint 默认使用的是 ES5 ......
中报 reservedeslint Parsing keyword 项目

Python异步编程之yield from

yield from 用于获取生成器中的值，是对yield使用的一种优化。 yield from 两个最重要的特点： 1. 在调用包含`yield from`的函数时，程序会停在`yield from` 这里，并将for循环的执行传递到子生成器里面去。相当于直接调用子生成器。这个功能可以称之为`传输... ......
Python yield from

Nacos启动：[NACOS HTTP-POST] The maximum number of tolerable server reconnection errors has been reached

一、表象 二、分析 源码： public HttpRestResult<String> httpPost(String path, Map<String, String> headers, Map<String, String> paramValues, String encode, long re ......
reconnection HTTP-POST tolerable maximum reached

Github Actions - Error: The connection to the server localhost:8080 was refused - did you specify the right host or port?

Run kubectl apply -f eks/aws-auth.yaml kubectl apply -f eks/aws-auth.yaml kubectl apply -f eks/deployment.yaml kubectl apply -f eks/service.yaml shell ......
connection the localhost Actions refused

The Missing Semester of Your CS Education----shell工具和脚本

一.shell脚本 1.$的关键字 $0 - 脚本名 $1 到 $9 - 脚本的参数。 $1 是第一个参数，依此类推。 $@ - 所有参数 $# - 参数个数 $? - 前一个命令的返回值 $$ - 当前脚本的进程识别码 !! - 完整的上一条命令，包括参数。常见应用：当你因为权限不足执行命令失败时 ......
脚本 Education Semester Missing 工具

How can I do to protect the Environmental

How can I do to protect the Environmental Protecting the environment is an important responsibility that we all share. Here are some simple steps you ......
Environmental protect How can the

Should be the workers need to dress uniform for work?

The need for workers to dress in uniforms for work depends on the specific industry, company, and job role. In some cases, uniforms may be required fo ......
workers uniform Should dress need

Why caused the dead factory?

The death of a factory can be caused by various factors, which can be broadly categorized into economic, social, and environmental reasons. Some of th ......
factory caused dead Why the

Why the developed country choose the countries of southeast Asia to build processing factory used their labour force?

The developed countries choose countries in Southeast Asia to build processing factories and utilize their labor force for various reasons. Some of th ......
processing the developed countries southeast

An Introduction to Bioinformatics Algorithms, Neil C. Jones and Pavel Pevzner, the MIT Press, 2004.

An Introduction to Bioinformatics Algorithms, Neil C. Jones and Pavel Pevzner, the MIT Press, 2004. This introductory text offers a clear exposition o ......
Bioinformatics Introduction Algorithms Pevzner Jones

B. Preparing for the Contest

原题链接 快速读题 给出一个序列，使其满足\(a[i]>a[i-1],i>1\)成立的次数恰好为k 思路 只要满足条件的序列都算作成立，我们就可以特殊化 先做出一个单增序列，由于前半部分所有元素都满足条件，所以前半部分保留(k+1)个元素，翻转后（n-k-1）个元素 但是sort默认升序，所以我们倒 ......
Preparing Contest for the

error: Your local changes to the following files would be overwritten by merge 解决方案

团队其他成员修改了某文件并已提交入库，你在pull之前修改了本地该文件，等你修改完代码再pull时，这时会报错如下错误 根据是否要保存本地修改，有以下两种解决方案 2.1 保留修改执行以下三条命令 git stash #封存修改 git pull origin master git stash po ......
overwritten following 解决方案 changes 方案

《Learning Transferable Visual Models From Natural Language Supervision》论文学习

一、Abstract 最先进的计算机视觉系统被训练用以预测一组预定的固定目标类别。这种受限的监督方式限制了它们的通用性和可用性，因为需要额外的标记数据来指定任何新的视觉概念。因此，直接从关于图像的原始描述文本中学习是一个有希望的替代方法，它利用了更广泛的因特网监督来源。 我们证明了预测哪个标题与哪张 ......
Transferable Supervision Learning Language Natural

Derivative norm vector repect to time 《PBM by Pixar》 Appendix D.2 code

目录1 Derivative normal vector repect to time1.1 Derivative vector norm repect to timeX Ref Vector Calculus 1 Derivative normal vector repect to time Le ......
Derivative Appendix vector repect Pixar

How to Read a Paper

paper.dvi http://ccr.sigcomm.org/online/files/p83-keshavA.pdf https://jyywiki.cn/ISER/2023/1-intro/index.html https://jyywiki.cn/ISER/2023/1-intro/ind ......
Paper Read How to

Could not build wheels for pillow, which is required to install pyproject.toml-based projects 解决方案

参考来源，致敬大佬。 ERROR: Could not build wheels for Pillow, which is required to install pyproject.toml-based projects-CSDN博客 报错: Could not build wheels for ......
toml-based pyproject required projects 解决方案

安装 deepspeed 报错 | 【CUDA_HOME does not exist, unable to compile CUDA op(s)】

原因是因为 deepspeed 需要安装 cuda toolkit (runtime cuda), 不能使用 torch 内置的 cuda toolkit。 安装完成之后使用 nvcc -V， 输出版本则证明安装cuda toolkit 成功。 参考：[https://github.com/micr ......
CUDA deepspeed CUDA_HOME compile unable

MySQL server is running with the --super-read-only option的解决办法

原因 数据库是只读模式 解决办法 修改为读写模式 mysql -uroot -p你的密码 进入mysql select @@read_only; set global read_only=0; # 顺便设置可远程连接（不需要可跳到flush privileges） use mysql; update ......
super-read-only running 办法 server option

CentOS7 yum错误：One of the configured repositories failed (Unknown)

一、现象 二、原因 可能会有其他原因造成该问题（如，网络问题）。我这边的问题是红框中指定镜像重复，导致yum命令执行失败。 三、解决 cd /etc/yum.repos.d 排查重复的repo并将其删除。 ......
repositories configured 错误 CentOS7 Unknown

Unable to negotiate with ip port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss

一、解决 cd ~/.ssh vim config # 添加以下内容 Host * HostkeyAlgorithms +ssh-rsa PubkeyAcceptedKeyTypes +ssh-rsa ......
negotiate ssh matching ssh-rsa ssh-dss

Nacos启动：[NACOS HTTP-POST] The maximum number of tolerable server reconnection errors has been reached

一、表象 二、分析 源码： public HttpRestResult<String> httpPost(String path, Map<String, String> headers, Map<String, String> paramValues, String encode, long re ......
reconnection HTTP-POST tolerable maximum reached

WMTS . WMS focuses on flexibility in the client request enabling clients to obtain exactly the final image they want.

WMTS - Introduction — OGC e-Learning 2.0.0 documentation https://opengeospatial.github.io/e-learning/wmts/text/main.html WMTS - Introduction Introduct ......
flexibility the enabling focuses clients
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