from

web项目启动时dubbo报错: No provider available for the service com.davidhu.shopguide.api.service.UserEventService from the url zookeeper ://localhost:2181/org.apache.du

Caused by: java.lang.IllegalStateException: Failed to check the status of the service com.davidhu.shopguide.api.service.UserEventService. No provider ......

解决前后端的跨域问题:Access to XMLHttpRequest at '**' from origin '**' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

报错信息: Access to XMLHttpRequest at 'http://localhost:8182/cooperationRequest/getList' from origin 'http://localhost:3004' has been blocked by CORS poli ......

[cpp]: <fstream> - read_from_file

[cpp]: <fstream> - read_from_file 一、介绍 1、介绍:从文件【big.cpp】读取内容,然后将【读取内容】输出到【屏幕】。 2、主程序源文件:iotest.cpp 3、被读取的文件:big.cpp 二、源代码 1、主程序源代码:iotest.cpp 1 /* fil ......
read_from_file fstream from file read

Arch Linux 更新出现PGP签名未信任,error: *: signature from "*" is unknown trust

更新ArchLinux时出现PGP签名问题: 分析原因是 包含了 archlinux-keyring的更新,导致部分软件包的签名不一致,未信任。 单独更新 archlinux-keyring,再执行更新命令即可解决。 ......
quot signature unknown Linux error

oneforall配置环境,报错cannot import name 'sre_parse' from 're' 解决方法

高版本python中re模块没有了sre_parse模块, 可以修改python中的exrex.py 代码,直接导入sre_parse模块 ......
39 oneforall sre_parse 环境 方法

Vue ui 创建项目报错: ERROR Failed to get response from https://registry.npmjs.org/vue-cli-version-marker

虽然不影响项目的创建,但看着不舒服 按【Ctrl + C】退出 vue ui 输入命令强制清除npm缓存:npm cache clean --force ......

1.1 - python特性以及 from、import 关键字

Python是一门弱类型语言,执行时不会生成.class字节码文件。Python源文件在执行的时候,解释器会逐行 编译+解释 python源代码,是半编译的解释型语言。 程序中使用 import 导入【模块】或【库】或【包】时,会首先执行一遍导入的内容。 import 和 from import 的 ......
特性 关键字 关键 python import

openssh login from windows 11 to linux without password

* [OpenSSH for Windows 中基于密钥的身份验证 | Microsoft Learn](https://learn.microsoft.com/zh-cn/windows-server/administration/openssh/openssh_keymanagement)* [ ......
password openssh windows without login

Docker 入门系列(7)- Dockerfile 使用(FROM、RUN、CMD、EXPOSE、ENV、ADD、COPY、ENTRYPOINT、VOLUME、WORKDIR)

https://blog.csdn.net/wohu1104/article/details/85227644 ———————————————————————————————————————————————————————————————— Dockerfile 是一个文本格式的配置文件,用户可以使 ......
Dockerfile ENTRYPOINT WORKDIR Docker EXPOSE

request content was evicted from inspector cache

request content was evicted from inspector cache 一、问题现象 在调用接口时,“响应”中提示:request content was evicted from inspector cache。 二、问题原因 当响应数据超出浏览器响应报文的最大量时,浏览 ......
inspector request content evicted cache

How To Remove the Oracle OLAP API Objects From 9i and 11g Databases (Doc ID 278111.1)

How to remove the Oracle OLAP API objects from a 9i database We can consider like olap api objects: -) objects in the schema of olapsys; -) public syn ......
Databases 278111.1 Objects 278111 Remove

CF1916G Optimizations From Chelsu 题解

Optimizations From Chelsu 题意 给定 \(n\) 个结点的树,边有正整数边权 \(w_i\)。定义 \(len(u,v)\) 表示 \(u\) 到 \(v\) 的路径的边数,\(\gcd(u,v)\) 表示 \(u\) 到 \(v\) 的路径上所有边权的 \(\gcd\), ......
题解 Optimizations Chelsu 1916G 1916

BigDataAIML-Kaggle-How to Calculate Principal Component Analysis (PCA) from Scratch in Python

How to Calculate Principal Component Analysis (PCA) from Scratch in Python https://www.kaggle.com/code/aurbcd/pca-using-numpy-from-scratch PCA using N ......

MacOS - Xcode 报referenced from:

Xcode升级10之后项目错误: Link //Users/moyea/Desktop/NewSVN/BD34/BDPlayer/build/Release/Leawo\ Blu-ray\ Player.app/Contents/MacOS/Leawo Blu-ray Player Ld build ......
referenced MacOS Xcode from

OS-Ubuntu-Server-Connect to Wi-Fi From Terminal on Debian 11/10 with WPA Supplicant

Connect to Wi-Fi From Terminal on Debian 11/10 with WPA Supplicant Last Updated: November 8th, 2022 Xiao Guoan (Admin) 31 Comments Debian This tutoria ......

import { EventEmitter } from 'eventemitter3'; class H5SSE extends EventEmitter 代码解析

import { EventEmitter } from 'eventemitter3'; class H5SSE extends EventEmitter 代码解析 通过eventemitter3源码学习Javascript设计模式:发布-订阅(观察者模式) 发布-订阅模式又叫观察者模式,它定义对 ......

k8s 安装kubesphere3.4.1 多次安装报错 Error from server (InternalError): Internal error occurred: failed calling webhook \“users.iam.kubes

failed: [localhost] (item={'ns': 'kubesphere-system', 'kind': 'users.iam.kubesphere.io', 'resource': 'admin', 'release': 'ks-core'}) => {"ansible_loop ......

汉字在unicode的编码情况-From http://yedict.com/zsts.htm

字符集内容 字数 unicode编码 字符显示说明(除非安装更大字库) 基本区 分页: 一 二 三 四 共20902字 4E00-9FA5 电脑和手机都能显示 基本区补充 共90字 9FA6-9FFF 电脑或安卓5以上的手机能显示一部分 扩展A 共6582字 3400-4DB5 电脑和手机都能显示 ......
编码 unicode 情况 yedict From

Jenkins发邮件报smtp.SMTPSendFailedException: 553 Mail from must equal authorized user

解决方法: 检查登录用户和发信人邮箱(这两个要保持一致) ......

Remove TraceParent header from HttpClient requests

ASP.NET Core creates an Activity that represents the request by default. This is what tells HttpClient to send an outgoing request id header. You can ......

How to permanently delete a file stored in GIT (both from the local and remote repositories)?

First run git filter-branch -f --index-filter "git rm -rf --cached --ignore-unmatch FOLDERNAME" -- --all Then shrink the .git folder rm -rf .git/refs/ ......

NUXT - Error: Failed to download template from registry: fetch failed

HOST 路径 C:\Windows\System32\drivers\etc\hosts 前往 HOST 加入 185.199.108.133 raw.githubusercontent.com 测试是否成功 (若无任何信息返回即成功): node -e "require('https').get ......
download template registry Failed failed

mysql链接异常,不能使用ip链接解决——null, message from server: "Host 'host.docker.internal' is not allowed to connect to this MySQL server"

情况: 报错翻译:​ 空指针,来自服务器的消息:​"Host ’ Host .docker.internal’​ 不允许连接到 ​MySQL​ 服务器" 登陆mysql 键入命令mysql -uroot -p,回车后提示你输入密码,输入12345,然后回车即可进入到mysql中 选择数据库 use ......
链接 server quot internal message

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

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

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

《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 ......

GitHub 如何修改 Fork from

如果你的仓库上面是 Fork from 的话,我们有什么办法能够取消掉这个 Fork from? 解决办法 GitHub 上面没有让你取消掉 Fork 的办法。 如果进入设置,在可见设置中也没有办法修改仓库的可见设置选项。 唯一的解决办法就是对你需要修改的仓库先全部克隆到你的本地计算机上,然后在危险 ......
GitHub Fork from

Could not get a resource from the pool 异常定位和解决

最近在服务中经常看到以下错误,进行下定位和问题解决分析: 2023-12-08 00:10:58.248 WARN [terra-sr-server,a9006fd27ccb81d0,a9006fd27ccb81d0,false] 52 [o-14009-exec-38] o.s.b.a.redis ......
resource Could from pool not
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