defaulting directory supported service

DDS(Data Distribution Service) 数据分发服务

DDS是一个以数据为中心的中间件协议和API标准,意为用户只关心自己想要的数据,数据通过Topic进行标识,这样发布者根据主题发布数据,订阅者根据自己感兴趣的主题订阅数据。这便是DDS的核心,以数据为中心的发布-订阅模型DCPS(Data-Centric Publish-Subscribe) 如果是 ......
Distribution Service 数据 Data DDS

next(iterator, default=None)

def next(iterator, default=None): # real signature unknown; restored from __doc__ """ next(iterator[, default]) Return the next item from the iterator ......
iterator default next None

报错:Client does not support authentication protocol requested by server; consider upgrading MySQL cli

IDEA启动项目登录时显示用户或密码错误 或者 连接mysql数据库时报错 原因: mysql8 之前的版本中加密规则是mysql_native_password,而在mysql8之后,加密规则是caching_sha2_password,所以可以需要改变mysql的加密规则 打开cmd窗口,登录m ......

Confluence7.4.6突然爆事务隔离级别问题-解决方案-MySQL session isolation level 'REPEATABLE-READ' is no longer supported.

MySQL session isolation level 'REPEATABLE-READ' is no longer supported. Session isolation level must be 'READ-COMMITTED'. See http://confluence.atlass ......

Linux学习36- python3.9出现ImportError: urllib3 v2.0 only supports OpenSSL 1.1.1+

遇到问题 python3.9上安装requests 库,requests包引入了urllib3,而新版本v2.x的urllib3 需要OpenSSL 1.1.1+以上版本 所以就出现了报错 File "/root/python39/lib/python3.9/site-packages/_pytes ......
ImportError supports python3 OpenSSL urllib3

CMake Error: failed to create symbolic link 'xxx.so.0.6': operation not supported on socket

cmake编译开源库报错,网上查了一下 我的编译文件夹是windows挂载到centos虚拟机上的,所以我把文件cp 到别的目录,再次编译就成功了 ......
operation supported symbolic failed create

什么是Service Mesh(转)

原文:https://www.jianshu.com/p/2665522e77fe 作者:到听图说8 来源:简书 Service Mesh作为下一代微服务技术的代名词,初出茅庐却深得人心一鸣惊人,大有一统微服务时代的趋势。 那么到底什么是Service Mesh? 一言以蔽之:Service Mes ......
Service Mesh

mysql set column default value as sha2(uuid(),512) ,length() measured sha2(uuid(),512) 's size is 128,

mysql> select @@version; + + | @@version | + + | 8.0.35-0ubuntu0.23.04.1 | + + 1 row in set (0.00 sec) mysql> create table t4(id bigint unsigned auto_ ......
sha2 uuid 512 sha measured

mysql set column sha2(uuid(),512) as column default value via trigger

mysql> show create table t3; + + + | Table | Create Table | + + + | t3 | CREATE TABLE `t3` ( `id` bigint unsigned NOT NULL AUTO_INCREMENT, `create_tim ......
column default trigger mysql value

A sample of JSON RPC service

This is a sample service program which show how to implement a JSON RPC. The RPC service included two functions which used for RSA sign and verify. If ......
service sample JSON RPC of

记录issue:iptables (legacy): Couldn't load match `comment':No such file or directory\n\nTry `

用nerdctl起容器碰到如下issue: FATA[0001] failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error d ......
directory iptables comment Couldn legacy

Redis报错:(error) DENIED Redis is running in protected mode because protected mode is enabled and no password is set for the default user

一、报错内容 (error) DENIED Redis is running in protected mode because protected mode is enabled and no password is set for the default user. In this mode c ......
protected Redis mode is password

单元测试实战(二)Service 的测试

单元测试实战(二)Service 的测试 为鼓励单元测试,特分门别类示例各种组件的测试代码并进行解说,供开发人员参考。 本文中的测试均基于JUnit5。 单元测试实战(一)Controller 的测试 单元测试实战(二)Service 的测试 单元测试实战(三)JPA 的测试 单元测试实战(四)My ......
实战 单元 Service

nginx:Failed to start nginx.service:unit not found

nginx:Failed to start nginx.service:unit not found - 知乎 (zhihu.com) 错误的原因就是没有添加nginx服务,所以启动失败。 解决方法: 1. 在/root/etc/init.d/目录下新建文件,文件名为nginx 或者用命令在根目录下 ......
nginx service Failed found start

[THM]Active Directory 基础知识

活动目录 何 Windows 域的核心都是 Active Directory 域服务 (AD DS)。此服务充当目录,其中包含网络上存在的所有“对象”的信息。在 AD 支持的众多对象中,我们有用户、组、计算机、打印机、共享和许多其他对象。让我们来看看其中的一些: 用户 用户是 Active Dire ......
基础知识 Directory 基础 知识 Active

解决:Command line is too long. Shorten command line for xxx or also for Application default configurat

解决:Command line is too long. Shorten command line for xxx or also for Application default configurat 解决:Error running 'xxx': Command line is too long. ......
line Application configurat for Command

Command line is too long. Shorten command line for xxx or also for Spring Boot default configuration 主要是命令行太长了,导致项目启动不成功

Command line is too long. Shorten command line for xxx or also for Spring Boot default configuration 主要是命令行太长了,导致项目启动不成功 目录 一、情景再现: 二、分析原因: 三、解决方法: 1、 ......
line configuration for 命令 Command

支持向量机 Support Vector Machine

b站链接【白板推导系列-支持向量机】 SVM 有三宝:间隔、对偶、核技巧 SVM 分类: hard-margin SVM 硬间隔 soft-margin SVM 软间隔 kernel SVM 核 硬间隔分类器(最大间隔分类器)max margin 判别模型: \[f(w)=sign(w^Tx+b) ......
向量 Support Machine Vector

selenium.common.exceptions.SessionNotCreatedException: Message: session not created: This version of ChromeDriver only supports Chrome version 103 Current browser version is 106.0.5239.0

pyhon 调selenium报: selenium.common.exceptions.SessionNotCreatedException: Message: session not created: This version of ChromeDriver only supports Chro ......

Extraneous children found when component already has explicitly named default slot

下述代码会报错: Extraneous children found when component already has explicitly named default slot. These children will be ignored. <el-table-column prop="go ......

无缝集成|一文读懂Salesforce外部服务(External Services)

外部服务(External Services)是一种Salesforce集成方法,无需代码即可将外部Web服务无缝连接到Salesforce组织。 外部服务通过使用OpenAPI等行业标准以声明方式将外部API和计算集成到Salesforce中,从而促进跨多个平台和服务的集成体验。帮助客户在信用评分 ......
无缝 Salesforce External Services

The file “/xx/xxx/xxxx.dita”is outside the scope of the input dita/map directory.

如果路径没错的话,就是引用的内容不在这个ditamap之内,也就是引用的内容不能在被引用时单独生成。 还有个错误:编辑器里面可以正常加载路径,但dita-ot始终说找不到的某个dita文件的错误,我以为是缓存的问题,其实可能是之前引用的地方不止一处,文件加或者文件改名之后没有将其他地方改完,可以用f ......
dita directory the outside input

基于xml的Spring是如何解析@Component,@Service等注解的

Spring Framework2.0开始,引入可扩展的XML编程机制,该机制要求XML Schema命名空间需要与Handler建立映射关系。该关系配置在相对于classpath下的/META-INF/spring.handlers中。 如上图所示 ContextNamespaceHandler对 ......
注解 Component Service Spring xml

Github Actions - Creating PostgreSQL service containers

# Service containers to run with `container-job` services: # Label used to access the service container postgres: # Docker Hub image image: postgres # ......

hive启动出现Cannot create directory /tmp/hive. Name node is in safe mode.

原因:进入了安全模式,hdfs在启动开始时会进入安全模式,这时文件系统中的内容不允许修改也不允许删除,直到安全模式结束。 执行命令: hadoop dfsadmin -safemode leave 退出安全模式即可 出现 Safe mode is OFF 表示成功退出 ......
hive directory Cannot create Name

Transparent Hugepage Support (翻译 by chatgpt)

原文:https://www.kernel.org/doc/html/latest/admin-guide/mm/transhuge.html Objective 目标 Performance critical computing applications dealing with large me ......
Transparent Hugepage Support chatgpt by

关于Vue3中调试APP触发异常:exception:white screen cause create instanceContext failed,check js stack -> at useStore (app-service.js:2309:15)解决方案

bug:reportJSException >>>> exception function:createInstanceContext, exception:white screen cause create instanceContext failed,check js stack ->at us ......

ubuntu编译软件报错:fatal error: libnet.h: No such file or directory

参考: https://blog.csdn.net/wuyou1995/article/details/104742326/ 解决方法: sudo apt-get install libnet1-dev ......
directory ubuntu libnet fatal error

vue报错export 'default' (imported as 'VueRouter') was not found in 'vue-router'

直接使用npm install vue-router -save安装的路由,运行报错 经排查后发现是安装的vue-router版本太高 使用 npm uninstall vue-router 卸载之前安装的路由 使用 npm i vue-router@3.5.2 安装低版本的路由 问题解决!!! ......
39 vue-router vue VueRouter imported