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nginx访问报错“maximum number of descriptors supported by select() is 1024 while connecting to upstream”问题的处理
1、问题背景 项目：一个人力的系统，主要用于考勤打卡 环境：windows server nginx版本：1.22 问题说明：当早上访问人数增加的时候，就会出现nginx的异常 nginx的后台报错日志： maximum number of descriptors supported by sele ......
局域网连seata报错: can not register RM,err:can not connect to services-server.
报错信息: 解决方法，启动seata时指定host： sh bin/seata-server.sh -p 8091 -h 能ping通的IP ......
How to get the original size of an image using JavaScript All In One
How to get the original size of an image using JavaScript All In One
如何使用 JavaScript 获取一个图片像的原始大小
naturalWidth & naturalHeight
aspect ratio / 纵横比
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Go - Using channels to receive interrupts in a program
Within the Kubernetes deployment environment, applications will actually be sent the SIGTERM signal first if it has been decided the pod holding the a ......
Measuring Node Contribution to Community Structure With Modularity Vitality
Measuring Node Contribution to Community Structure With Modularity Vitality 用模块性生命力度量节点对社区结构的贡献 摘要 社区感知中心性是网络科学中一个新兴的研究领域，关注节点在社区结构中的重要性。先前的方法扩展了经典的中心 ......
Windows Tools | How To Install VS Microsoft C++ Build Tools on Windows
How To Install VS Microsoft C++ Build Tools on Windows This can be used for installing anything that requires C++ compiler on Windows. Installation st ......
Mac故障排查系列：redis删除key报错MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk.
背景：Mac下使用Another Redis Desktop Manager客户端，删除key，遇到报错：MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. ......
How to fix TypeScript error: expression of type can't be used to index type All In One
How to fix TypeScript error: expression of type can't be used to index type All In One
type guard
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[889] To enable arcpy in VS Code
To enable arcpy in VS Code, you need to configure your Python interpreter to use the ArcGIS Pro Python environment. Here are some steps you can follow ......
using wget utility to download files while keeping path structure
From man wget: -x, --force-directories: [...] create a hierarchy of directories, even if one would not have been created otherwise. E.g. wget -x http: ......
[888] How to get the directory of the current Python file
To get the directory of the current Python file, you can use the os.path module in combination with the __file__ attribute. Here's how you can do it: ......
TypeError: Assignment to constant variable.
百度翻译了一下：TypeError：对常量变量的赋值。看了之后发现是定义了一个响应式的数据，在js中没有用.value赋值，直接变量名赋值导致的错误。 ......
pycharm无法打开终端：open Local Terminal_Failed to start [powershell.exe]
今天在运行pycharm的时候出现了这个问题 open Local Terminal_Failed to start [powershell.exe] 直接上解决办法 1.进入设置 2.选择tools下的terminal 然后修改shell path 如果没有的话需要找到本机的powershell的 ......
ORA-04030: out of process memory when trying to allocate 27760032 bytes (qmxuParseXobWi,qmxsaxAllocMemInternal)
1.alter日志 2023-09-24T19:59:02.474578+08:00LOGMINER: Begin mining logfile for session -2147289087 thread 1 sequence 2185, +DATA/DB/ONLINELOG/redo05a.lo ......
华为S5700交换机console配置线连接Press ENTER to get started卡住不动
Console配置线连接华为S5700S交换机，每次都卡住 Press ENTER to get started 使用了网友及官方说的取消勾选等方式都不行 换了跟console线，立马就解决了，连接正常 报错用的是CH340驱动的线，后来换成PL2303芯片的线， 不确定跟驱动有没有关系，或者线本身 ......
nginx: The plain HTTP request was sent to HTTPS port
问题描述 The plain HTTP request was sent to HTTPS port 当访问用http时则报错。用https时不报错。 检查配置： server { listen 80 ssl; server_name hngj.zxynyxxx.cn; ssl_certificat ......
OGG MA - Not Able To Log InAdmin server ERROR: User name 'oggadmin' or password is incorrect. (Doc ID 2571773.1)
ogg的密码文件可能会损坏需要修复就新建一个新的ogg微服务并且把密码文件考到问问题的地方进行覆盖，我觉得这个是一个bug The recommendation is to Create a dummy MA installation on the same server or different ......
20 广域网技术PPP（Point to Point）协议/实验+理论
广域网 广域网是连接不同地区局域网的网络，通常所覆盖的范围从几十公里到几千公里。它能连接多个地区、城市和国家，或横跨几个洲提供远距离通信，形成国际性的远程网络。 广域网和局域网的区别 局域网是一种覆盖地理区域比较小的计算机网络。广域网是一种通过租用ISP网络或者自建专用网络来构建的覆盖地理区域比较广 ......
Logstash报错： Could not index event to Elasticsearch
Logstash报错： Could not index event to Elasticsearch 一、环境说明Logstash 7.3ElasticSearch 7.3二、现象logstash/logs/logstash-plain.log大量警告：Validation Failed: 1: t ......
Consider using `allow_partial_search_results` setting to by
Elasticsearch data node 重啟導致 sharding 找不到家 今天遇到單位同仁重啟 Elasticsearch data node 後發現 Cluster 狀態變成 Red 的狀況，這篇記錄遇到這個問題時該怎麼處理 會遇到這個問題通常是「遺失的 Data node」大於「in ......
arviz.from_pyjags() ValueError: too many values to unpack (expected 3)
ValueError Traceback (most recent call last) /home/anaconda/workspace/group_code/long_rt/simulation1/jags_test.ipynb Cell 12' in <cell line: 1>() > 1 ......
git pull代码时提示：Your local changes to the following files would be overwritten by merge
内容来自对 chatgpt 的咨询 这个错误提示意味着你在执行git pull命令时，Git发现你当前工作目录中的一些文件与远程仓库的变更产生了冲突。这可能是因为你在本地修改了一些文件，而远程仓库也有更新。Git不允许在有未提交的本地修改时直接执行git pull，以防止可能的冲突。 要解决这个问题 ......
数字滚动【vue-count-to】
效果 背景 在大屏或者其他需要对数字设置千分位的分隔符（比如：151234数字展示成 151,234）或者 数字在变化时进行滚动的变化。 使用 安装 npm i vue-count-to demo <template> <div class="app"> <h1> 当前数值: <countTo :s ......
postcss-px-to-viewport插件实现不同屏幕自适应
效果图 未转换前： 转换后： 背景 平常开发的时候使用px作为样式单位，但是在不同的屏幕尺寸下不能自适应，我们希望项目中所有使用到的px单位都转换成vw单位 使用步骤 安装 npm i postcss-px-to-viewport -D 在项目根目录下创建postcss.config.js modu ......
在操作过程中遇到Attempting to operate on hdfs namenode as root报错
在操作过程中遇到Attempting to operate on hdfs namenode as root报错 HDFS格式化后启动dfs出现以下错误： [root@hadoop101 sbin]# start-dfs.sh Starting namenodes on [hadoop101] ER ......
noip Template (to be continued)
\(noip\ Templates\) \(Part 1 \ Graph\) Toposort Dijkstra SPFA Floyd Kruskal Prim Tarjan LCA \(Graph\) 0. 链式前向星存图 int h[N], e[N], ne[N], idx; // 对于每个点k ......
Docker - ERROR: failed to solve: golang:latest: error getting credentials - err: exec: "docker-credential-desktop": executable file not found in $PATH, out: ``
Dockerfile: FROM golang:latest WORKDIR /app ADD . . RUN go get RUN go build -o app . CMD ["/app/app"] zzh@ZZHPC:/zdata/MyPrograms/Go/aaa$ docker build ......
Android Failed to resolve: com.github.PhilJay:MPAndroidChart:v3.1.0
2022.3.1版本 修改settings.gradle dependencyResolutionManagement { repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) repositories { maven { url ......
git SSL certificate problem unable to get local issuer certificate
git SSL certificate problem unable to get local issuer certificate 这个问题是由于没有配置信任的服务器HTTPS验证。默认，cURL被设为不信任任何CAs，就是说，它不信任任何服务器验证。只需要执行下面命令就可以解决： git con ......