was before is
Linux中使用ntpdate同步失败报错：14 Apr 08:42:12 ntpdate[1255]: the NTP socket is in use, exiting：解决方法.
报错信息： 报错原因： 1、可能是因为同步的域名信息没有解析到。 2、可能是因为服务的问题导致没有同步成功。 解决方法： 1、先关闭ntpd服务。 [root@k8s-master01 ~]# service ntpd stop Redirecting to /bin/systemctl stop ......
Visual Stadio 编译提示 The BaseOutputPath/OutputPath property is not set for project ...
完整的错误信息是： The BaseOutputPath/OutputPath property is not set for project 'xx.csproj'. Please check to make sure that you have specified a valid combina ......
Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools"的解决办法
https://zhuanlan.zhihu.com/p/471661231 下载软件 链接：https://pan.baidu.com/s/12hhCEKnjr2Qq-H3sHuQiXQ?pwd=6g0v 提取码：6g0v 安装 退出虚拟环境，重新进入pip安装对应包 ......
mssql server 2012数据库 jdk8 + springboot 项目 报错：SQL Server (SSL) encryption. Error: "The server selected protocol version TLS10 is not accepted by client preferences [TLS12]". ClientConnectionId
2023-04-13 11:01:39.727 [main] INFO com.alibaba.druid.pool.DruidDataSource:1003 - {dataSource-3,slave_2} inited 2023-04-13 11:01:39.846 [Druid-Connect ......
django安装依赖包报错No such file or directory: 'requirement.txt'和警告You are using pip version 22.0.4; however, version 23.0.1 is available.
ERROR: Could not open requirements file: [Errno 2] No such file or directory: 'requirement.txt'WARNING: You are using pip version 22.0.4; however, ver ......
.net core中Grpc使用报错：The remote certificate is invalid according to the validation procedure.
因为Grpc采用HTTP/2作为通信协议，默认采用LTS/SSL加密方式传输，比如使用.net core启动一个服务端（被调用方）时： public static IHostBuilder CreateHostBuilder(string[] args) => Host.CreateDefaultB ......
A start job is running for Raise network interface（5min 13s ）问题解决方法 【轉】
我在笔记本电脑上安装了Ubuntu 16.04，当我有局域网连接时，启动ubuntu是很快的，当LAN电缆断开时，需要大约5分钟才能获得登录屏幕，这个实在是无法忍受。我的推测，且不一定准确我是通过Ubunut server安装的系统，安装时候链接了网络。所以系统被自动设置成连接到路由器自动通过DHC ......
There is a chart instance already initialized on the dom原因及解决办法
原因：这是因为在我们重复使用了初始化了echars实例，每个组件使用时，如果调用两次及以上的初始化方法时，就会出现这个警告，并且如果是实时监控的标表，会出现浏览器卡顿及响应慢，因为要一直重新渲染新的Dom。 解决办法，初始化代码只出现一次，js中只要执行一次实例化代码，VUE中调用生命周期mount ......
【解题报告？】Discrete Logarithm is a Joke
QOJ 给定 $M = 10^{18} + 31, g = 42$，$g$ 是模 $M$ 意义下的原根。设 $f(x)$ 表示满足 $g^y \equiv x \pmod M$ 的最小正整数 $y$（即 $x$ 的离散对数）。我们有 $a_0 = 960002411612632915, a_n = ......
GnuTLS recv error (-110): The TLS connection was non-properly terminated问题的解决方案
1. sudo apt-get update 2. sudo apt-get install build-essential fakeroot dpkg-dev 3. sudo apt-get build-dep git 4. mkdir ~/git-openssl 5. cd ~/git-open ......
Geoserver启动时提示:The GEOSERVER_HOME variable is not defined
场景 GeoServer简介、下载、配置启动、发布shapefile全流程(图文实践)： https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/109636080 在下载解压之后点击启动bat时提示: The GEOSERVER_HOME ......
springcloud gateway根据服务名称进行路由失败There was an unexpected error (type=Service Unavailable, status=503)
出现错误，如下图： 解决办法： 检查自己的yaml文件： server: port: 88 spring: application: name: applicationName cloud: nacos: discovery: server-addr: 127.0.0.1:8848 gateway: ......
java.lang.NullPointerException: Cannot invoke "Object.hashCode()" because "key" is null
映射文件需要调整，mybatis-config.xml里面的 ......
新的 CSS 伪类函数 :is() 和 :where()
新的 CSS 伪类函数 :is() 和 :where() Posted on 2022-08-15 14:39 书中枫叶 阅读(48) 评论(0) 编辑 收藏 举报 :is() 和 :where() 标题中的 <b> 标签进行颜色调整： h1 > b, h2 > b, h3 > b, h4 > b, ......
安装python第三方库报：is not a supported wheel on this platform
1，在cmd中输入pip debug --verbose，如下图圈红的就是当前python使用的标签，所以可以把cryptography-40.0.1-pp39-pypy39_pp73-win_amd64.whl改成cryptography-40.0.1-py39-none-any.whl就能安装成 ......
_dbus_check_is_valid_member (method)
dbus[12630]: arguments to dbus_message_new_method_call() were incorrect, assertion "_dbus_check_is_valid_member (method)" failed in file dbus-message. ......
C# System.lnvalidOperationException:"A second operation started on this context before a previousoperation completed. This is usually caused by different threads using the same instance...
项目中使用了依赖注入，这个错误在我项目中的原因：在async修饰的异步方法中，调用执行数据库操作的方法时，没有使用await关键字调用，因为没有等待该调用，所以在调用完成之前将继续执行该方法。因此，已处理了注入的依赖项。 ......
230409 What is a Battery Management System
Welcome to the Stoffel Systems Insights video series.I'm Eric Stoffel, President of Stoffel Systems.In this series, we'll discuss battery management s ......
golang 编译碰到问题 Package python-2.7 was not found in the pkg-config search path.
golang 运行单测或者编译程序时提示需要配置 PKG_CONFIG_PATH 环境变量，原因是在程序里使用了 go-python 包，要求运行环境有 python2.7，并设置 PKG_CONFIG_PATH 环境变量，解决方案如下： # pkg-config --cflags -- pytho ......
解决前端启动报错：This is probably not a problem with npm. There is likely additional logging output above.
在执行 npm run dev 运行项目的时候报错: {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}) npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! phan ......
lvgl 经典编译错误解决之道：section `.bss' is not within region `dram0_0_seg'
实验证明，宏定义 LV_MEM_CUSTOM 从 0 改为 1，对 LVGL+TFT_eSPI 编译时不再提示 “section `.rodata' will not fit in region `dram0_0_seg'”
或“section `.bss' is not within region... ......
npm is known not to run on Node.js v8.15.0
########### >npm install --legacy-peer-deps ERROR: npm is known not to run on Node.js v8.15.0 You'll need to upgrade to a newer Node.js version in ord ......
angular项目启动报Another process, with id 24289, is currently running ngcc.
在npm build时突然停下来，再启动就启不起来了。 看报错信息是端口被占用，在任务管理器中也找不到这个端口 重启vscode、重启电脑都不好使。。 可以通过删除node_modules再重新npm install解决！ ......
Python调用TensorFlow时出现：FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated
百度了很多说是numpy版本过高，将numpy版本降低即可，我降低为1.16.2 但是会碰到pip uninstall numpy卸载不掉的问题 我一直忽视了是在conda创建的虚拟环境acc中运行的这个代码， 进入cmd pip uninstall时没注意是在base环境下，还是在自己创建的虚拟环 ......
Linux(CentOS7) c语言编程， 多线程入栈出栈，错误：expected ‘while’ before ‘int’
在Centos7里，编写多线程的入栈出栈时，出现这样错误提示： 图片版： 文字版： [root@CentOs7 05-xitongbiancheng]# gcc 05-24-01.pthread-cancel-pop-push.c -pthread 05-24-01.pthread-cancel-p ......
【Azure 应用服务】使用Docker Compose创建App Service遇见"Linux Version is too long. It cannot be more than 4000 characters"错误
{
"code":"DeploymentFailed",
"message":"At least one resource deployment operation failed. Please list deployment operations for details. Please see... ......
is620n，is620p，is620，伺服驱动器的代码和原理等
is620n，is620p，is620，伺服驱动器的代码和原理等YID:2899662030618032 ......
devicemapper: usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specify a custom block storage device.
centos7下docker排坑之WARNING: devicemapper: usage of loopback devices is strongly discouraged docker 安装完成之后，docker info命令下的WARING 首先有两种规避手段，一种是调整devicemap ......
docker启动报错the backing xfs filesystem is formatted without d_type support
WARNING: overlay2: the backing xfs filesystem is formatted without d_type support, which leads to incorrect behavior. Reformat the filesystem with fty ......