was before is
php解决 mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysq
The mysql extension is deprecated and will be removed in the future: use mysq 翻译： mysql_connect这个模块将在未来弃用，请你使用mysqli或者PDO来替代。 解决方法： 打开php.ini 配置文件把 di ......
MATH is the LOGIC OF CERTAINTY and STATISTICS is the LOGIC OF UNCERTAINTIES
Statistics 110 of Harvard University: Math is the logic of certainty, Statistics is the logic of uncertainty. Strategic practice: Clarity; Honesty ......
What is SELinux?
What is SELinux? https://www.redhat.com/en/topics/linux/what-is-selinux#overview Overview Security-Enhanced Linux (SELinux) is a security architecture ......
vue3+vite+web3.js报错ReferenceError: process is not defined
在vite最新版本中使用web3会报错只需要在vite.config.ts添加如下代码即可解决报错 import { fileURLToPath, URL } from 'node:url' import { defineConfig } from 'vite' import vue from '@ ......
What is API Gateway Notes, API Driven Dev Notes
API Driven Development What is API Driven Development? API Driven Development is a process that allows developers to focus on API design before writin ......
C++ multi process share value via write and read data from serialized file,the better way is shared_memory,pipeline,message queue,socket
#include <atomic> #include <chrono> #include <cmath> #include <condition_variable> #include <cstddef> #include <forward_list> #include <fstream> #incl ......
Spring 报错 There is no DataSource named ‘null‘
关于 Java.sql.SQLException: There is no DataSource named ‘null’ 报错解决 解决方法一： 这是由于SpringBoot在2.5.6版本之后就删除了关于Quartz相关的以来。所以在2.5.6版及之前还是可以用的。 解决方法二： 将quatz. ......
Custom directive is missing corresponding SSR transform and will be ignored
## 背景 最近在给业务组件库集成指令库，将各个项目中常用的指令如一键复制、元素和弹窗拖拽等封装到一起，进行统一发版维护。 业务组件库项目架构采用的是pnpm+vite+vue3+vitepress，其中vitepress主要做组件库文档站点同时展示可交互的组件。 ## 问题 开发运行时指令库dem ......
解决ValueError: Please install nodejs ＞=12.0.0 before continuing
1、升级你的conda conda update conda 2、https://anaconda.org/conda-forge/nodejs To install this package run one of the following 运行 conda install -c "conda-f ......
解决宝塔面板SSL证书安装失败： Invalid version. The only valid version for X509Req is 0.
文章目录 No headings were found on this page. 本文介绍宝塔面板SSL证书安装失败，报错： Invalid version. The only valid version for X509Req is 0.的解决方法。 安装证书报错信息如下图： 如何解决宝塔面板S ......
@MapKey is required
@MapKey is required 这就是mybatis的annotation的一个提醒，可以直接忽略，不影响代码编译； 为啥出现这种情况，因为我们很烂，sql中返回的对象不愿意定义一个 resultMap，select默认就是返回list，不指定resultMap或者resultType，默认 ......
What is /Dev/Null in Linux?
What is /Dev/Null in Linux? https://www.geeksforgeeks.org/what-is-dev-null-in-linux/ 所有物理设备对应的文件，放在dev目录下。 What is /dev? In the Linux file system, eve ......
ActiveMQ InactivityIOException: Channel was inactive for too (>30000) long 处理方案
生产服务器上，MQ Produce和consumer端同时报如下错误，导致不能正常工作。 Transport (tcp://132.97.122.168:61616) failed, reason: org.apache.activemq.transport.InactivityIOExceptio ......
请求接口后端提示：JSON parse error: Unrecognized token 'clickLocation': was expecting ('true', 'false' or 'null');
内容：JSON parse error: Unrecognized token 'clickLocation': was expecting ('true', 'false' or 'null'); nested exception is com.fasterxml.jackson.core.Jso ......
mysql 报错 ：The table xxx is full
############################################ 现象： 用户执行的sql语句报错： Cause: java.sql.SQLException: The table '/home/work/mysql_3306//tmp/#sql117f0c_db7113_a ......
2023-06-15 css伪类before、after制作文字两边横线
<div class="box">测试</div> ··· .box{ color: #ccc; text-align: center; position: relative; &::after { position: absolute; left: 24rpx; top: 52%; content ......
pyautogui.screenshot('test.png') 报错：PyAutoGUI was unable to import pyscreeze (This is likely because you're running...
根据提示需要`import pyscreeze`还需要`Pillow`.通过`pip3 list`可以查看到已经安装`PyScreeze==0.1.29`但是不是我手动安装的，应该是`Pillow`或者`pyautogui`下载的时候依赖了`pyscreeze`并且安装了最新版本`0.1.29`。通 ......
Cannot Reference “XxxClass.xxx” Before Supertype Constructor Has Been Called
在调用超类型构造函数之前无法引用“XxxClass.xxx” -----一个类的构造器方法还未执行的时候，我们无法使用类的成员属性或成员方法。 ......
解决Microsoft Visual C++ 14.0 or greater is required. Get it with “Microsoft C++ Build Tools“
安装Python后，安装扩展包的过程中发生了错误，提示Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.c ......
java服务器更换jdk版本后报错：javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is di
java，服务器更换jdk版本后报错： Caused by: javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate) ......
修复 Sqlite "database disk image is malformed"
Sqlite 是用于移动设备的轻量级数据库。Android 编译遇到出错异常： database disk image is malformed 处理方法为通过对 sqlite 提供的修复命令建立脚本封装自动处理。修复方法来自网络搜索，年代久远，出处不可考，如找到出处，本文引用改为链接。 1 #1. ......
[nodejs] __dirname is not defined in ES module scope
原因：CommonJS 中提供的全局变量如require, exports, module.exports, __filename, __dirname 等，在 ES Modules 环境中均是不可用的，require, exports, module.exports 在 ES Modules 中基 ......
virtualBox 报VT-x is disabled in the BIOS for both all CPU modes (VERR_VMX_MSR_ALL_VMX_DI的错误
背景：主机是ASUS主板 操作系统是deepin20.0系统，需要安装win10，下载virtual box和win10镜像iso，virtualbox设置完后，启动win10，virtualbox报错VT-x is disabled in the BIOS for both all CPU mod ......
jquery 3.x 报错TypeError: e.indexOf is not a function解决方法
jquery 3.3.1版本报错TypeError: e.indexOf is not a function，这是因为$(window).load方法已经废弃。 产生错误的代码： $(window).load(function(){}); 修改为： $(window).on('load',funct ......
关于mkfs.xfs创建xfs文件系统指定block-size为512字节时报错-Minimum block size for CRC enabled filesystems is 1024 bytes.
今天笔者看到mkfs.xfs命令的帮助文档手册时，有如下一段内容 可以通过-b size=value 的方式指定 block的大小，默认值是4096 bytes，最小为512 ,最大为65536 The default value is 4096 bytes (4KiB), the minimum ......
解决 This is probably not a problem with npm. There is likely additional logging output above.
在执行 npm run serve 运行项目的时候报错:dengzemiaodeMacBook-Pro:lianshan_vue dengzemiao$ npm run serve......npm ERR! code ELIFECYCLEnpm ERR! errno 1npm ERR! lians ......
解决：pip is configured with locations that require TLS/SSL
在使用pip进行软件包安装的时候出现问题： WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.解决： mkdir -p ~ ......
send it failed() The virtual circuit was reset by the remote side executing a hard or abortive close. (连接被对方重置)
串口调试助手报错提示 The virtual circuit was reset by the remote side executing a hard or abortive close. for upd socket ,the remote host was unable to deliver ......
Qt报错：call to constructor of '_ConfigDaoImpl' is ambiguous
# Qt报错：call to constructor of '_ConfigDaoImpl' is ambiguous ## 原因 ```shell configform.cpp:4:13: error: call to constructor of '_ConfigDaoImpl' is ambi ......
【redis】redis异常-MISCONF Redis is configured to save RDB snapshots
使用redis报错： MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk. Commands that may modify the data set a ......