was before is

HikariPool-1 - Connection is not available

该问题从字面意思上说是数据链池链接资源已全部使用完毕,没有可用的链接使用 排查问题发现原因是: sql由于参数填写错误,进行了全表扫描,由于返回数据量过大导致数据卡在映射层,导致资源卡死的情况,每调用一次就会损失一个链接资源,当所有链接资源都使用完毕时候,就出现以上的情况。 所以在写sql时一定要注 ......
HikariPool Connection available not is

what is DIGITAL ENVELOPES?

摘抄自:https://flylib.com/books/en/4.178.1.29/1/ There are advantages and disadvantages related to both secret and public key cryptography. For example, ......
ENVELOPES DIGITAL what is

Could not fetch URL https://pypi.org/simple/keras-bert/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443):

pip下载包的时候报错 Could not fetch URL https://pypi.org/simple/keras-bert/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pyp ......

System is booting up. See pam_nologin(8)

1、问题 System is booting up. See pam_nologin(8) ? 这是什么锤子问题?,快下班的时候隔壁老王找我说他登录不上线上机器了,我试了一下root用户可以,然后普通用户不行,然后我就让他先临时用root用一下,我先查查问题。 1)完整报错是这个样子的 [root@ ......
pam_nologin booting nologin System See

Variable 'xxxx' is accessed from within inner class, needs to be final or effectively final-Lambda 表达式的变量与作用域

#### 问题的原因 问题代码: ``` public static void main(String[] args) { Integer sum = 0; Integer count = 0; List list = new ArrayList(Arrays.asList(1,2,3,4,5)); ......

删除Docker镜像报错 image is being used by stopped container ae8f224fe0e1

该报错原因是因为镜像被其他容器引用 1.查询所有容器 包括未运行的 docker ps -a 2. 删除容器 docker rm 5573214dd069 3.删除镜像 docker rmi 9c7a54a9a43c ......
container 镜像 stopped Docker image

OGG-02912 Patch 17030189 is required on your Oracle mining database for trail format RELEASE 12.2 or later (Doc ID 2304095.1)

There will be a script "prvtlmpg.plb" under gg home directory [oracle@OGGR2-1 ogg]$ ls -lrt prvtlmpg.plb -rw-r 1 oracle oinstall 9487 May 27 2015 prvt ......
2304095.1 17030189 database required 2304095

centos7 安装 pylzma 失败:/usr/bin/ld: this linker was not configured to use sysroots

问题背景: centos7 安装 pythond的 pylzma 模块失败。 报错内容: pip install pylzma Collecting pylzma Using cached pylzma-0.5.0.tar.gz (4.2 MB) Building wheels for collec ......
configured sysroots centos7 centos pylzma

2023-07-03 uniapp小程序端报错:TypeError: eval is not a function

完整报错:Error in onLoad hook: "TypeError: eval is not a function" onLoad钩子中的错误:“TypeError:eval不是函数” 原因:代码里使用了eval函数,小程序端不支持该函数,h5端和app(Android)端支持。 解决方案: ......
TypeError function uniapp 2023 eval

在Vscode使用命令npm报错-The operation was rejected by your operating system. npm ERR! It's possible that the file was already in use (by a text editor or antivirus)

##报错信息: PS D:\disk\xubo\个人博客文章\27-Vue\资料(含课件)\vuedemo\vueproject> npm i pubsub-js npm ERR! code EPERM npm ERR! syscall open npm ERR! path D:\disk\soft ......
npm antivirus operation operating was

happens-before 原则

#### happens-before 简述 从 JDK 5 开始,Java 使用新的 JSR-133 内存模型。JSR-133 使用 happens-before 的概念来阐述操作之间的**内存可见性**。在 JMM 中,如果一个操作执行的结果需要对另一个操作可见,那么这两个操作之间必须要存在 h ......
happens-before 原则 happens before

What does the term epoch mean? Why it is so important?

在人工智能中,"epoch"(中文称为"训练轮次"或"周期")是指训练神经网络时将整个训练数据集通过神经网络进行一次正向传播和反向传播的过程。 每个"epoch"包含一次前向传播和一次后向传播,用于更新神经网络的参数。在每个"epoch"中,神经网络对整个训练数据集进行一次学习和优化,以逐渐提高模型 ......
important epoch What does term

javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)

一、问题现场 二、处理方案 VM options "-Djdk.tls.disabledAlgorithms=SSLv3, TLSv1.1, RC4, DES, MD5withRSA, DH keySize < 1024, EC keySize < 224, 3DES_EDE_CBC, anon, ......

使用easy-captcha验证码出现javax. script ScriptEngine.eval(String)" because "engine" is nul

1. 问题 java项目使用 ArithmeticCaptcha 验证码,出现 javax. script ScriptEngine.eval(String)" because "engine" is nul ArithmeticCaptcha captcha = new ArithmeticCap ......

Vue3 vite:is a JavaScript file. Did you mean to enable the 'allowJs' option?

描述 今天在vue3+vite下进行打包时,突然vscode报了一个error。 大概的意识是询问是否启用“allowJS”选项,因为该文件在程序内是指定用于编译的根文件。 提示信息已经很明确了,下面从网上摘抄了下什么是 allowJS 选项。 allowJs是1.8中新提供的选项。TypeScri ......
JavaScript allowJs enable option Vue3

redis集群报错:MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk.

之前在x86架构的服务器部署redis集群,未遇到题中问题;然而在ARM架构的服务器部署redis集群,第一次遇到如此问题。虽然问题已经解决,但不清楚问题的具体原因,在此做个记录。 性能测试过程中,通过pinpoint捕捉到如下报错: MISCONF Redis is configured to s ......

阿里云 ACK Pod重启:pod was OOM killed

原因为:limits和requests的值设定为一样的了, pod request达到了limit限制,kubelet会统计到request+缓存就超限,然后触发自动重启 resources: limits: memory: 4Gi requests: memory: 4Gi 调整为 resourc ......
killed ACK Pod OOM pod

Cross-thread operation not valid: Control 'txtMessage' accessed from a thread other than the thread it was created on.

Winform TextBox Cross-thread operation not valid: Control 'txtMessage' accessed from a thread other than the thread it was created on. (330条消息) 解决Cros ......

nginx error报错:nginx 8: Not enough storage is available to process this command

在nginx.conf 中 http 下添加如下代码: client_max_body_size 2000m; client_body_buffer_size 2000m; client_body_timeout 500; client_header_buffer_size 64k; client_ ......
nginx available command storage process

tinymce:提示:This domain is not registered with Tiny Cloud.(tinymce 6.5.1)

一,报错内容: This domain is not registered with Tiny Cloud. Please see thequick start guide orcreate an account如图: 原因: 如果使用cdn方式调用tinymce,如下: <script src=" ......
tinymce registered domain Cloud This

修改xampp中的mysql的密码报错,ERROR 1348 (HY000): Column 'Password' is not updatable --九五小庞

xampp中的mysql(MariaDB)默认密码为空,进入mysql的bin目录,输入mysql -u root -p,回车,无密码登录: 查看所有数据库,选择mysql数据库: show databases;use mysql; 使用update语句修改密码报错:ERROR 1348 (HY00 ......
updatable Password 密码 Column xampp

nextjs项目引入vconsole报错处理:ReferenceError: window is not defined

引入文件(nextjs项目): import Vconsole from 'vconsole' 报错: 处理: let Vconsole if (typeof window !== 'undefined') { Vconsole = require('vconsole') } 打开调试: if (t ......

引入jweixin文件报错处理(window is not defined)

引入文件(nextjs项目): import wx from './jweixin-1.6.0.js' 报错: 处理: let wx if (typeof window !== 'undefined') { wx = require('./jweixin-1.6.0.js') } 接下来正常处理wx ......
jweixin defined 文件 window not

Android ‘Handler()‘ is deprecated

private Handler handler = new Handler(); Handler() 此构造函数在 Android 11 /R 之后已弃用。 在 Handler 构造期间隐式选择 Looper 会导致操作无声地丢失(如果 Handler 不期待新任务并退出)、崩溃(如果有时在没有 L ......
deprecated Android Handler is

What is Conjugate(共轭)?

# word explain Conjugate 共轭是一个古代汉语词,在农业领域常用, ![](https://img2023.cnblogs.com/blog/1552062/202306/1552062-20230628093253467-248479095.png) # 共轭复数 TODO ......
Conjugate What is

Mysql用户建立触发器报错You do not have the SUPER privilege and binary logging is enabled

分析原因:是log_bin_trust_function_creators值为off导致,因为Table中有Trigger,如果不创建Trigger,不会出现这样的错误信息,但Trigger必须创建临时解决办法:用root用户登录: mysql -u root -pmysql>set global ......
触发器 privilege enabled logging 用户

Attention is All you need

转载:https://zhuanlan.zhihu.com/p/46990010 Attention机制最早在视觉领域提出,2014年Google Mind发表了《Recurrent Models of Visual Attention》,使Attention机制流行起来,这篇论文采用了RNN模型, ......
Attention need All you is

has been blocked by CORS policy: The request client is not a secure context and the resource is ...

该报错原因为:Chrome浏览器禁止外部请求访问本地,被CORS策略阻止解决方案:1、打开chrome的设置: chrome://flags/#block-insecure-private-network-requests2、将 Block insecure private network requ ......
resource blocked context request client

Vue报错之 Property or method "XXX" is not defined on the instance but referenced during render

原因1:真的没定义, 原因2:定义了,但是需要检查大小写是否一致 ......
quot referenced Property instance defined

IS210BPPBH2BMD GE通用电气实现集中操作和高级控制

IS210BPPBH2BMD GE通用电气实现集中操作和高级控制 IS210BPPBH2BMD GE通用电气实现集中操作和高级控制 )智能仪表 内置微处理器的出现使智能仪表较传统仪表在设计方法、电路结构以及功能操作都发生了根本性的变化。在智能仪表中,除调节功能几乎完全由微处理器实现,微处理器是核心, ......
电气 BPPBH2 BPPBH 2BMD 210