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没事的时候背一背数据库的单词啊啊啊

DB 专用词汇 pertain 属于 compatible 兼容的 temporary 暂时的 data redundancy 数据冗余 fire a trigger 触发触发器 Collation 整理 revoke 撤销,吊销 grant 授予, 准许 database integraty 数据库完整性 data integrity allocate 分配(内存)allocate blocks Taxonomy 分类 index

Cannot retrieve repository metadata (repomd.xml) for repository: base. Please verify its path and tr

镜像下载、域名解析、时间同步请点击 阿里云开源镜像站 错误:Cannot retrieve repository metadata (repomd.xml) for repository: base. Please verify its path and try again 通过yum -y install XXX 尝试安装软件,出现Cannot retrieve repository metadata (repomd.xml) for rep

论文阅读《The Sketchy Database: Learning to Retrieve Badly Drawn Bunnies》

如果没有啥基础的读者一定要看完这这个视频,然后看论文这样就好理解多了: https://www.bilibili.com/video/BV1vQ4y1R7dr?spm_id_from=333.337.search-card.all.click 1Learning a Cross-domain Mapping Overview:   在本节中,我们使用草图数据库来学习草图和照片的共享嵌入,这样学

Revit二次开发之添加选项卡和按钮

  我们日常在revit开发中经常会用到按钮,可以通过revitAPI提供的接口创建按钮,今天我简单介绍一下两种按钮,一种是单命令按钮,另一种是含下拉菜单的按钮,包括创建他们的方法。 实现方法 1.实现思路   创建按钮的思路大体为:1、编写好自己的命令文件(一般就是继承IExteralCommand接口);2

CRM实施随笔——Dynamics CRM Plugin中的Retrieve以及RetrieveMultiple

对于一些逻辑可能需要在查询后处理上下文中的数据信息,同时也就有可能需要根据字段值去判断。可参照数据脱敏的Plugin中逻辑处理。 比如当我们需要表单字段值判断,走不同逻辑,但是我们每次查询的时候上下文中可能并不包含我们需要的字段,这样我们就需要再次去查询该字段的值,那有没一种

C++ pass array as pointer and increment the pointer to retrieve array data

#include <iostream> #include <uuid/uuid.h> #include <ctime> #include <fstream> #include <sstream> #include <chrono> #include <string.h> using namespace std; void retrieveUuid1(char *uuidValue); char *getTimeNow(

C++ multi thread via pthread to retrieve returned result

#include <stdio.h>#include <stdlib.h>#include <uuid/uuid.h>#include <unistd.h>#include <fstream>#include <istream>#include <ostream>#include <sstream>#include <string.h>#include <iostream>#includ

CentOS 7 网络could not retrieve mirrorlist报错

  引用大佬文章地址:https://blog.csdn.net/shareye1992/article/details/88390994   步骤一:管理员用户打开ifcfg-enss33文件 sudo vi /etc/sysconfig/network-scripts/ifcfg-ens33 步骤二:修改配置文件 修改配置ONBOOT=no----->ONBOOT=yes 步骤三:重启网络服务 service net

ManualChapter01Application: Failed to retrieve application JMX service URL

      去掉下图画勾处:  

REST Assured 51 - How To Retrieve And Assert Content-Type Of Response In Rest Assured

REST Assured 系列汇总 之 REST Assured 51 - How To Retrieve And Assert Content-Type Of Response In Rest Assured 介绍 Content-Type header 是指媒体类型 或 MIME( Multipurpose Internet Mail Extensions ) 或 文件类型。当发起任何 POST 或 PUT 请求时,我们可能需要传

Cannot retrieve repository metadata (repomd.xml) for repository: base.错误

错误: Linux上,我输入 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo 命令后,使用yum makecache命令时,提示以下错误。 http://mirrors.cloud.aliyuncs.com/centos/6/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "

CentOS7 ifconfig执行失败(command not found)

参考: CentOS7 yum 出现 “could not retrieve mirrorlist“ 以及 CENTOS7 IFCONFIG命令找不到 【转载】Linux中找不到ifconfig命令的解决方法 安装ifconfig 通过yum search ifconfig这个命令我们发现ifconfig这个命令是在net-tools.x86_64这个包里,接下来只要yum install net-

记一次mysql事务提交异常引发的线上问题 Could not retrieve transaction read-only status from server

   现象:  执行批量插入数据库时提示当前事务为只读状态,无法提交事务 原因:  代码执行到入库逻辑时,未做大批量数据的保障措施,导致一次插入数据量达到2W多条,造成数据库连接超时     注:当前数据库wait_timeout时间为10分钟,事务开启,从数据库获取到连接,10分钟之后数据库已

org.quartz.JobPersistenceException: Couldn‘t retrieve job because a required class was not found。异常记

问题 springboot 使用定时任务quartz时,可能出现org.quartz.JobPersistenceException: Couldn’t retrieve job because a required class was not found异常, 解决 1.修改配置文件 具体方法参考如下:https://www.cnblogs.com/xuwenjin/p/14121077.html 2.可能提示找不到的定时

HANA live report - metadata retrieve - where I can find it in HANA studio

Created by Wang, Jerry, last modified on May 15, 2015

HANA report transaction data retrieve in QHD/504

HANA report transaction data retrieve in QHD/504 Created by Wang, Jerry, last modified on Jun 11, 2015 https://merry.sap.corp:44356/sap/hba/apps/crmhlq/odata/OpportunityQuery.xsodata/OpportunityQueryParameters(P_SAPClient=‘504’,P_DisplayCurrency=‘USD’,P_

An HTTP error occurred when trying to retrieve this URL.

 问题背景:conda install xxx 提示 An HTTP error occurred when trying to retrieve this URL. Fetching package metadata ... CondaHTTPError: HTTP None None for url <https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/win-64/repodata.json> Elapsed: None An

Oracle OCP 19c 认证1Z0-083考试题库(第5题)

Oracle OCP 19c 认证1Z0-083考试题库(第5题)-CUUG整理 5、Which three are true about requirements for various FLASHBACK operations? (Choose three.) A. FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time

Failed to retrieve remote metadata com.cjy:ssmParentAndSon:1.0-SNAPSHOT/maven-metadatNot authorized

Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy (default-deploy) on project ssmParentAndSon: Failed to retrieve remote metadata com.cjy:ssmParentAndSon:1.0-SNAPSHOT/maven-metadata.xml: Could not transfer metadata com.cjy:ssm

Cannot retrieve metalink for repository: epel/x86_64. Please verify its path and try again错误

出现: Cannot retrieve metalink for repository: epel/x86_64. Please verify its path and try again错误。 根据教程更改repo后报错: failure: repodata/repomd.xml from epel: [Errno 256] No more mirrors to try. http://download.fedoraproject.org/pub/epel/7/x86_64/repo

yum 无法连接到镜像 Error: Cannot retrieve repository metadata (repomd.xml)

一、背景         在使用yum命令下载wget时,无法下载         外网能够连接,防火墙已经关闭了 二、报错信息 Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile YumRepo Error: All mirror URLs are not using ftp, http[s] or file.  Eg. Inva

Unable to retrieve computer resource问题处理

问题描述 分析: 1)sp登录定位资源 2)查看SP和RM的desktone日志

python3 retrieve()

retreive()被认为是个老旧函数,可能会在将来抛弃。urllib.request.urlretrieve(url, filename=None, reporthook=None, data=None)Exceptions和函数urlopen()相同。具体文档,参见https://docs.python.org/3/library/urllib.request.html#module-urllib.request 代码片段 from urllib.

Centos yum安装出现“Could not retrieve mirrorlist“

问题描述: CentOS 6.x minimal(最小化) 安装, CentOS yum install net-tools 时出现“Could not retrieve mirrorlist ”, 原因: a.修改网络配置 vi /etc/sysconfig/network-script/ifcfg-eth0 动态获取IP配置(可选1): ONBOOT=yes MM_Controlled=no BOOTPROTO=dhcp 设置固定

yum安装时出现:Cannot retrieve metalink for repository: epel. Please verify its path and try again

在CentOS 6.3 x86_64下安装php-mcrypt的时候出现了问题:Error: Cannot retrieve metalink for repository: epel. Please verify its path and try again,需要安装epel源。 解决方法: 一句话:把/etc/yum.repos.d/epel.repo,文件第3行注释去掉,把第四行注释掉。具体如下: 打开/etc/yum.rep