E-COM-NET
首页
在线工具
Layui镜像站
SUI文档
联系我们
推荐频道
Java
PHP
C++
C
C#
Python
Ruby
go语言
Scala
Servlet
Vue
MySQL
NoSQL
Redis
CSS
Oracle
SQL Server
DB2
HBase
Http
HTML5
Spring
Ajax
Jquery
JavaScript
Json
XML
NodeJs
mybatis
Hibernate
算法
设计模式
shell
数据结构
大数据
JS
消息中间件
正则表达式
Tomcat
SQL
Nginx
Shiro
Maven
Linux
mysql缓存用法
基于JAVA智能推荐二手车交易网站计算机毕业设计源码+系统+数据库+lw文档+部署
：项目架构：B/S架构开发语言：Java语言开发软件：ideaeclipse前端技术：Layui、HTML、CSS、JS、JQuery等技术后端技术：JAVA运行环境：Win10、JDK1.8数据库：
MySQL
5.7
光光网络
·
2024-09-07 02:07
java
开发语言
Python: #!/usr/bin/python3 && #!/usr/bin/env python3
/usr/bin/envpython3这种
用法
是为了防止操作系统用户没有将pyt
AI秘籍
·
2024-09-07 02:41
mysql
连接oceanbase数据库集群+租户
mysql
集成的有连接oceanbase数据库的方式，所以只需要对参数进行修改即可。url:jdbc:
mysql
://[ip地址]:[端口]/[数据库]?
AE_
·
2024-09-07 02:36
数据库
mysql
oceanbase
html如何嵌套页面？
标签告诉你答案</h4> </div> <div class="article-excerpt"> web前端全栈资料粉丝福利（面试题、视频、资料笔记、进阶路线）在这里小编首先介绍的是HTML中iframe标签的<em>用法</em>：怎么在一个网页中嵌入另一个网页呢，我们可以用html中的iframe标签搞定 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> PHP9年架构师<span class="dot">·</span>2024-09-07 02:06 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832120478869843968.htm" ></a> <a target="_blank" href="/article/1832120478869843968.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">Python requests库详细介绍</h4> </div> <div class="article-excerpt"> 安装pipinstallrequests基本<em>用法</em>使用requests写一个简单的http请求。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 可遇_不可求<span class="dot">·</span>2024-09-07 02:36 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/python/1.htm"> python </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%BC%80%E5%8F%91%E8%AF%AD%E8%A8%80/1.htm"> 开发语言 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832119471062478848.htm" ></a> <a target="_blank" href="/article/1832119471062478848.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">SQL注入漏洞检测</h4> </div> <div class="article-excerpt"> 预计更新SQL注入概述1.1SQL注入攻击概述1.2SQL注入漏洞分类1.3SQL注入攻击的危害SQLMap介绍2.1SQLMap简介2.2SQLMap安装与配置2.3SQLMap基本<em>用法</em>SQLMap进阶使用 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> Kali与编程～<span class="dot">·</span>2024-09-07 02:36 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/sql/1.htm"> sql </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%BD%91%E7%BB%9C/1.htm"> 网络 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%AE%89%E5%85%A8/1.htm"> 安全 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832116572706140160.htm" ></a> <a target="_blank" href="/article/1832116572706140160.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0"><em>mysql</em> gtid 限制_<em>MySQL</em>启用GTID的限制-阿里云开发者社区</h4> </div> <div class="article-excerpt"> <em>mysql</em>>CREATETABLEerror(IDINT)ENGINE=MyISAM;Query </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> weixin_39970994<span class="dot">·</span>2024-09-07 02:05 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql/1.htm"> mysql </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/gtid/1.htm"> gtid </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E9%99%90%E5%88%B6/1.htm"> 限制 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832114680747880448.htm" ></a> <a target="_blank" href="/article/1832114680747880448.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0"><em>mysql</em>报错1785_<em>MYSQL</em> Statement violates GTID consistency: Updates to non-transactional tables can only .</h4> </div> <div class="article-excerpt"> [2019-04-2110:17:20][ERROR][org.hibernate.engine.jdbc.spi.SqlExceptionHelper:144]StatementviolatesGTIDconsistency:Updatestonon-transactionaltablescanonlybedoneineitherautocommittedstatementsorsingle-s </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 张观鱼<span class="dot">·</span>2024-09-07 01:34 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql%E6%8A%A5%E9%94%991785/1.htm"> mysql报错1785 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832113797628784640.htm" ></a> <a target="_blank" href="/article/1832113797628784640.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">powerdns <em>mysql</em>_PowerDNS安装部署</h4> </div> <div class="article-excerpt"> centos安装epel检验epel[root@trainingyum.repos.d]#lsCentOS-Base.repoCentOS-fasttrack.repoCentOS-Vault.repoCentOS-CR.repoCentOS-Media.repoepel.repoCentOS-Debuginfo.repoCentOS-Sources.repoepel-testing.repo安装 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 泰坦V<span class="dot">·</span>2024-09-07 01:03 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/powerdns/1.htm"> powerdns </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql/1.htm"> mysql </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832112411612639232.htm" ></a> <a target="_blank" href="/article/1832112411612639232.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">perf 基础 -- perf ext_mem_req</h4> </div> <div class="article-excerpt"> 它在以下几种情况下会触发：数据<em>缓存</em>未命中：当处理器访问的数据未命中<em>缓存</em>时，处理器会向外部内存发送请求，加载所需的数据。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> sz66cm<span class="dot">·</span>2024-09-07 01:33 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/linux/1.htm"> linux </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/perf/1.htm"> perf </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832110773795647488.htm" ></a> <a target="_blank" href="/article/1832110773795647488.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0"><em>MySQL</em>复习笔记</h4> </div> <div class="article-excerpt"> <em>MySQL</em>复习笔记一、SQL分类DQL一、简单查询二、条件查询三、分组查询四、查询结果去重五、连接查询六、子查询七、union八、limitDML一、insert二、update三、deleteDDL一 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> new wei<span class="dot">·</span>2024-09-07 01:02 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/java/1.htm"> java </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql/1.htm"> mysql </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832109260964720640.htm" ></a> <a target="_blank" href="/article/1832109260964720640.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">如何保证Redis与<em>Mysql</em>双写一致性？</h4> </div> <div class="article-excerpt"> https://www.cnblogs.com/coderacademy/p/18137480延迟双删对于上面链接的文章，里面的延迟双删没有给出具体的例子，也没有直接指出具体解决的问题是针对那种<em>缓存</em>策略 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 云逸_<span class="dot">·</span>2024-09-07 01:01 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/redis/1.htm"> redis </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%BC%93%E5%AD%98/1.htm"> 缓存 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832106615155814400.htm" ></a> <a target="_blank" href="/article/1832106615155814400.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">docker pull msyql5.6 并使用</h4> </div> <div class="article-excerpt"> dockerpullmsyql:5.6mkdir-p/root/<em>mysql</em>/<em>mysql</em>confvim/root/<em>mysql</em>/<em>mysql</em>conf/my.cnf[<em>mysql</em>d]skip-host-cacheskip-name-resolvedatadir </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 开花沼泽.<span class="dot">·</span>2024-09-07 01:31 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/docker/1.htm"> docker </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/adb/1.htm"> adb </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%AE%B9%E5%99%A8/1.htm"> 容器 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832104346884599808.htm" class='news-img' style="background-image:url('http://img.e-com-net.com/image/info8/233eeb544fad4760b9c6ac776f94a491.jpg@!80x60')" ></a> <a target="_blank" href="/article/1832104346884599808.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">【STM32+HAL+Proteus】系列学习教程---74HC595驱动数码管</h4> </div> <div class="article-excerpt"> 一、74HC595芯片74HC595是一个8位串行输入、并行输出的位移<em>缓存</em>器：并行输出为三态输出。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 面包板扎<span class="dot">·</span>2024-09-07 01:30 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/STM32/1.htm"> STM32 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%BA%94%E7%94%A8%E5%BC%80%E5%8F%91%E6%95%99%E7%A8%8B%EF%BC%88%E5%9F%BA%E7%A1%80%EF%BC%89/1.htm"> 应用开发教程（基础） </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/stm32/1.htm"> stm32 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%B5%8C%E5%85%A5%E5%BC%8F%E7%A1%AC%E4%BB%B6/1.htm"> 嵌入式硬件 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%8D%95%E7%89%87%E6%9C%BA/1.htm"> 单片机 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832100558849273856.htm" ></a> <a target="_blank" href="/article/1832100558849273856.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">linux命令之服务器之间文件传输</h4> </div> <div class="article-excerpt"> 目录前言一、scp命令1.简单<em>用法</em>：2.使用示例：2.1.复制文件到本地2.2.复制文件夹到本地二、sftp命令1.简单<em>用法</em>：2.使用示例2.1下载文件2.2上传文件总结前言在使用linux服务器时，有可能会需要在服务器之间传入文件 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> abments<span class="dot">·</span>2024-09-07 00:27 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/linux%E5%B8%B8%E7%94%A8%E5%91%BD%E4%BB%A4/1.htm"> linux常用命令 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/python/1.htm"> python </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/pandas/1.htm"> pandas </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90/1.htm"> 数据分析 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832097029447315456.htm" ></a> <a target="_blank" href="/article/1832097029447315456.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0"><em>Mysql</em>:create table ... select ...报错</h4> </div> <div class="article-excerpt"> 客户做<em>mysql</em>迁移，从本地<em>mysql</em>迁移到云<em>mysql</em>，结果系统报错，日志里显示StatementviolatesGTIDconsistency:CREATETABLE...SELECT.就是类似的语句违反了 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 大道不孤,众行致远<span class="dot">·</span>2024-09-07 00:25 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%8A%80%E6%9C%AF%E6%9D%82%E8%B0%88/1.htm"> 技术杂谈 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql/1.htm"> mysql </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832085818085306368.htm" class='news-img' style="background-image:url('http://img.e-com-net.com/image/info8/49f0202171df4ff5b43f92282bcf4efc.jpg@!80x60')" ></a> <a target="_blank" href="/article/1832085818085306368.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">Collections.sort</h4> </div> <div class="article-excerpt"> <em>用法</em>：sort()中有两个参数：一个是List，也就是待排序的列表，还有一个是比较器comparator,比较器决定了集合中元素的排列方式如果集合中的元素只是单纯的String或int等默认的数据类型的话 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 战血石LoveYY<span class="dot">·</span>2024-09-06 23:52 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%AE%97%E6%B3%95/1.htm"> 算法 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832085690901426176.htm" class='news-img' style="background-image:url('http://img.e-com-net.com/image/info8/e5b155750eda41d7a0c1d86da9176c0c.jpg@!80x60')" ></a> <a target="_blank" href="/article/1832085690901426176.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">python学习第六节：使用python制作九九乘法表和学生管理系统</h4> </div> <div class="article-excerpt"> ps:前面五节只是简单讲解了python的基础语法和函数，也就是混个脸熟，没有进行深入讲解，如果展开来讲的话每一个单独的语法和函数都能将几大章，而很多语法和函数的<em>用法</em>我们根本用不 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 一只会敲代码的小灰灰<span class="dot">·</span>2024-09-06 23:22 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%BB%8F%E9%AA%8C%E6%80%BB%E7%BB%93/1.htm"> 经验总结 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/python/1.htm"> python </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%AD%A6%E4%B9%A0/1.htm"> 学习 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%BC%80%E5%8F%91%E8%AF%AD%E8%A8%80/1.htm"> 开发语言 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/pycharm/1.htm"> pycharm </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832057711378919424.htm" class='news-img' style="background-image:url('http://img.e-com-net.com/image/info8/1931956416594969b70dd879c347e578.jpg@!80x60')" ></a> <a target="_blank" href="/article/1832057711378919424.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">拍卖新纪元：Spring Boot赋能在线拍卖解决方案</h4> </div> <div class="article-excerpt"> 系统的开发环境和配置都是可以自行安装的，系统使用Java开发工具，使用比较成熟的<em>Mysql</em>数据库进行对系统前台及后台的数据交互，根据技术语言对数据库，结合需求进行修改维护，可以使得网 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> liuxin33445566<span class="dot">·</span>2024-09-06 22:11 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/spring/1.htm"> spring </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/boot/1.htm"> boot </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%90%8E%E7%AB%AF/1.htm"> 后端 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/java/1.htm"> java </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832055885678080000.htm" ></a> <a target="_blank" href="/article/1832055885678080000.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0"><em>Mysql</em>查询带树状结构的信息</h4> </div> <div class="article-excerpt"> <em>Mysql</em>查询带树状结构的信息在Oracle中有函数应用直接能够查询出树状的树状结构信息，例如有下面树状结构的组织成员架构，那么如果我们想查其中一个节点下的所有节点信息，在Oracle中可以直接用下面的语法可以进行直接查询 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 不学无数的程序员<span class="dot">·</span>2024-09-06 21:56 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832055188471508992.htm" ></a> <a target="_blank" href="/article/1832055188471508992.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">ThreadLocal 实战<em>用法</em></h4> </div> <div class="article-excerpt"> ThreadLocal实战<em>用法</em>ThreadLocal是什么首先来看一下官方解释：Createsathreadlocalvariable.TheinitialvalueofthevariableisdeterminedbyinvokingthegetmethodontheSupplier </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> crxk<span class="dot">·</span>2024-09-06 21:10 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/Java/1.htm"> Java </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/java/1.htm"> java </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%A4%9A%E7%BA%BF%E7%A8%8B/1.htm"> 多线程 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832051409000951808.htm" ></a> <a target="_blank" href="/article/1832051409000951808.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">为什么需要分布式数据库</h4> </div> <div class="article-excerpt"> 令人“头都大了”的分库分表中间件10多年前阿里因此原因不得不把淘宝后台系统从OracleRAC切换到数百个<em>MySQL</em>集群构成的分库分表集群，不过那时的淘宝仅仅使用一个分库分表中间件，名为tddl（又名： </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> KunlunBase 昆仑数据库<span class="dot">·</span>2024-09-06 21:08 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/KunlunBase/1.htm"> KunlunBase </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/postgresql/1.htm"> postgresql </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql/1.htm"> mysql </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%88%86%E5%B8%83%E5%BC%8F%E5%AD%98%E5%82%A8/1.htm"> 分布式存储 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93%E5%BC%80%E5%8F%91/1.htm"> 数据库开发 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832041329601900544.htm" ></a> <a target="_blank" href="/article/1832041329601900544.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">2、<em>MySQL</em>总结</h4> </div> <div class="article-excerpt"> 一、基础部分（一）、概念关系型数据库（二）、SQL编写CRUD（查询、插入、更新、删除）左右连接、内连接、子查询（三）、存储过程、存储函数存储过程和函数（一）-CSDN博客（四）、触发器二、高阶部分（一）、索引1.索引底层结构InnoDB行格式（行格式：一条记录的存储结构）1.1.变长字段长度列表非必须，逆序存放1.2.null值列表非必须，逆序存放1.3.记录头信息delete_mask：标示这 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> In_life 在生活<span class="dot">·</span>2024-09-06 21:05 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E4%BD%93%E7%B3%BB%E6%90%AD%E5%BB%BA/1.htm"> 体系搭建 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql/1.htm"> mysql </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832040193910206464.htm" ></a> <a target="_blank" href="/article/1832040193910206464.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">python中集合（set)的<em>用法</em></h4> </div> <div class="article-excerpt"> 系列文章目录文章目录系列文章目录前言一、集合（set）介绍二、集合（set）的创建三、集合（set）添加元素四、集合（set）更新五、集合（set）删除元素前言学习python中集合（set）的<em>用法</em>。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> A丶Pure<span class="dot">·</span>2024-09-06 20:35 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/python/1.htm"> python </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/python/1.htm"> python </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832038297535344640.htm" ></a> <a target="_blank" href="/article/1832038297535344640.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">DNS服务搭建，DNS子域授权，主从架构，分离解析以及<em>缓存</em>dns</h4> </div> <div class="article-excerpt"> DNS服务器为什么需要DNS系统?–方便记忆，人对IP很不敏感，对于词语字符却比较敏感DNS服务器的功能–正向解析：根据注册的域名查找其对应的IP地址–反向解析：根据IP地址查找对应的注册域名，不常用DNS服务器的分类–根域名服务器、一级DNS服务器、二级DNS服务器、三级DNS服务器–域名的体系结构：树型结构–所有的域名都必须要以点作为结尾（默认不需要写不显示）www.qq.com.根域名:.– </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 大毛驴噢<span class="dot">·</span>2024-09-06 20:02 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/linux/1.htm"> linux </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/dns%E6%9C%8D%E5%8A%A1%E5%99%A8/1.htm"> dns服务器 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/centos/1.htm"> centos </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832033884032823296.htm" ></a> <a target="_blank" href="/article/1832033884032823296.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">Docker之compose<em>用法</em>详解</h4> </div> <div class="article-excerpt"> Compose是一个用于定义和运行多容器Docker的工具。借助Compose，您可以使用YAML文件来配置应用程序的服务。使用Compose基本上分为三步：使用Dockerfile定义您的应用程序的环境使用docker-compose.yml定义组成您的应用程序的服务运行dockercomposeup启动并运行程序compose的诸多优点：在单个主机上建立多个隔离环境，Compose使用项目名称 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> PC小可<span class="dot">·</span>2024-09-06 20:30 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/Docker/1.htm"> Docker </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/docker/1.htm"> docker </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E8%BF%90%E7%BB%B4/1.htm"> 运维 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/linux/1.htm"> linux </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832018376491364352.htm" ></a> <a target="_blank" href="/article/1832018376491364352.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">Redis一键安装shell脚本</h4> </div> <div class="article-excerpt"> /bin/bash##<em>用法</em>：shredis-install.sh7.0.5（后面跟你需要的版本号）version=$1usage(){echo"usage:$0version"}if[$#-ne1]thenusageexit </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> Asui2233<span class="dot">·</span>2024-09-06 19:53 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/Redis/1.htm"> Redis </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/redis/1.htm"> redis </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832011568175476736.htm" ></a> <a target="_blank" href="/article/1832011568175476736.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">经验笔记：NoSQL数据库及其<em>缓存</em>方法实践</h4> </div> <div class="article-excerpt"> NoSQL数据库及其<em>缓存</em>方法实践经验笔记随着大数据时代的到来，传统的关系型数据库在处理大规模数据时面临诸多挑战，如扩展性不足、性能瓶颈等问题。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 漆黑的莫莫<span class="dot">·</span>2024-09-06 19:50 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%AC%94%E8%AE%B0/1.htm"> 笔记 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/nosql/1.htm"> nosql </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%BC%93%E5%AD%98/1.htm"> 缓存 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832002487305990144.htm" ></a> <a target="_blank" href="/article/1832002487305990144.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">你需要知道的，<em>缓存</em>架构的设计和常见问题</h4> </div> <div class="article-excerpt"> <em>缓存</em>架构的设计<em>缓存</em>层通常架设在DB和业务逻辑层之间，核心功能就是从DB生成一条<em>缓存</em>数据，可以在后续若干次查询请求过程中不再访问DB，请求在<em>缓存</em>层直接命中后返回，从而可以达到加快访问速度的作用，同时也能在流量暴增时充当保护层防止 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> Young.Chen<span class="dot">·</span>2024-09-06 18:45 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/Redis/1.htm"> Redis </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/Distributed/1.htm"> Distributed </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/System/1.htm"> System </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/Database/1.htm"> Database </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1832001098806816768.htm" ></a> <a target="_blank" href="/article/1832001098806816768.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">设计<em>缓存</em>架构时需要考虑的因素总结</h4> </div> <div class="article-excerpt"> 1.<em>缓存</em>组件的选择在设计架构<em>缓存</em>的时候，首先要选定<em>缓存</em>组件，比如要用Local-Cache，还是Redis、Memcached、Pika等开源<em>缓存</em>组件。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 清锋Online<span class="dot">·</span>2024-09-06 18:14 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%BC%93%E5%AD%98/1.htm"> 缓存 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%88%86%E5%B8%83%E5%BC%8F/1.htm"> 分布式 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831999585539682304.htm" ></a> <a target="_blank" href="/article/1831999585539682304.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">第04课：基于 Redis 的分布式<em>缓存</em>实现及加固策略</h4> </div> <div class="article-excerpt"> 1.Redis-Cluster搭建本节将介绍基于Redis和Lettuce搭建一个分布式<em>缓存</em>集群的方法。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> Jin_Kwok<span class="dot">·</span>2024-09-06 18:13 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%88%86%E5%B8%83%E5%BC%8F%E4%B8%AD%E9%97%B4%E4%BB%B6%E5%AE%9E%E8%B7%B5%E4%B9%8B%E8%B7%AF/1.htm"> 分布式中间件实践之路 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%9E%B6%E6%9E%84/1.htm"> 架构 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%88%86%E5%B8%83%E5%BC%8F/1.htm"> 分布式 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E4%B8%AD%E9%97%B4%E4%BB%B6/1.htm"> 中间件 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831999206152302592.htm" ></a> <a target="_blank" href="/article/1831999206152302592.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">c++ 指针的<em>用法</em>详解</h4> </div> <div class="article-excerpt"> 以下是关于C++指针<em>用法</em>的详解。1.指针的基本概念定义：指针是一个变量，其值为另一个变量的地址。类型：指针的类型决定了它所指向的变量类型，例如int*、char*、double*等。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 黄卷青灯77<span class="dot">·</span>2024-09-06 18:42 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/c%2B%2B/1.htm"> c++ </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%BC%80%E5%8F%91%E8%AF%AD%E8%A8%80/1.htm"> 开发语言 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%8C%87%E9%92%88/1.htm"> 指针 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831998673903513600.htm" ></a> <a target="_blank" href="/article/1831998673903513600.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">多种model serving 的调研比较</h4> </div> <div class="article-excerpt"> 大规模是否支持同时部署多个模型服务是否支持模型切换是否支持模型跟踪是否支持pmmlpredictioniohttps://github.com/apache/predictioniohttp://predictionio.apache.orgscala<em>mysql</em> </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> Helen_Cat<span class="dot">·</span>2024-09-06 18:35 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831993710544515072.htm" ></a> <a target="_blank" href="/article/1831993710544515072.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">layUI基本元素--乐字节前端</h4> </div> <div class="article-excerpt"> 基本元素按钮<em>用法</em>向任意HTML元素设定class="layui-btn"，建立一个基础按钮。通过追加格式为layui-btn-{type}的class来定义其它按钮风格。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> dirft_din<span class="dot">·</span>2024-09-06 17:52 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831993580873412608.htm" ></a> <a target="_blank" href="/article/1831993580873412608.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">2020-06-13</h4> </div> <div class="article-excerpt"> …………………此刻屏幕上十张图片刷屏，上面圈出了各种错字，包括“的地得”<em>用法</em>的错误。B：C宝贝，幸好有你，果然高C就是厉害，眼尖心细，要是我估计啥 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 八爪鱼CC<span class="dot">·</span>2024-09-06 17:21 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831991641091698688.htm" class='news-img' style="background-image:url('http://img.e-com-net.com/image/info8/1258190eff8a4ba49fe9ad94fa53b443.jpg@!80x60')" ></a> <a target="_blank" href="/article/1831991641091698688.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">【计算机网络】浏览器输入访问某网址时，后台流程是什么</h4> </div> <div class="article-excerpt"> ·实际过程中可能还涉及更多的细节和步骤，如<em>缓存</em>处理、重定向、负载均衡等。·此外，不同的网站和应用架构可能会有不同的实现方式和优化策略。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 简单.is.good<span class="dot">·</span>2024-09-06 17:39 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/Question-Answer/1.htm"> Question-Answer </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/1.htm"> 计算机网络 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/tcp%2Fip/1.htm"> tcp/ip </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/http/1.htm"> http </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/https/1.htm"> https </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831985839949836288.htm" ></a> <a target="_blank" href="/article/1831985839949836288.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">Linux 管道</h4> </div> <div class="article-excerpt"> <em>用法</em>一：过滤语法：#ls【想要过滤的目录地址】|grep【想要查找的东西】过滤案例：需要通过管道查询出根目录下包含“n”字母的文档名称补充：#ls/|grepy说明： </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 魏小祖<span class="dot">·</span>2024-09-06 17:36 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/Linux%E8%BF%90%E7%BB%B4/1.htm"> Linux运维 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/linux/1.htm"> linux </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831975632658067456.htm" ></a> <a target="_blank" href="/article/1831975632658067456.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">Memcached多维度查询解密：高效<em>缓存</em>策略全解析</h4> </div> <div class="article-excerpt"> 标题：Memcached多维度查询解密：高效<em>缓存</em>策略全解析摘要在现代的高性能网络应用中，<em>缓存</em>机制是提升数据访问速度和减轻后端服务器压力的关键技术。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 2402_85758936<span class="dot">·</span>2024-09-06 16:02 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%BC%93%E5%AD%98/1.htm"> 缓存 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/memcached/1.htm"> memcached </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831970591163379712.htm" class='news-img' style="background-image:url('http://img.e-com-net.com/image/info8/067068bb104a445392a9d78a78f37cd1.png@!80x60')" ></a> <a target="_blank" href="/article/1831970591163379712.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">文件的归档和压缩</h4> </div> <div class="article-excerpt"> 加快文件传输速率tar命令作用：打包、压缩文件作用：打包、压缩文件；tar文件是把几个文件和（或）目录集合在一个文件里，该存档文件可以通过使用gzip、bzip2或xz等压缩工具进行行压缩后传输查看mantar<em>用法</em> </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 跻峰造极<span class="dot">·</span>2024-09-06 16:00 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%9C%8D%E5%8A%A1%E5%99%A8/1.htm"> 服务器 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/linux/1.htm"> linux </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%BD%91%E7%BB%9C/1.htm"> 网络 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831967817369481216.htm" class='news-img' style="background-image:url('http://img.e-com-net.com/image/info8/c6f64dd26d1348a2baf4c816228a0565.jpg@!80x60')" ></a> <a target="_blank" href="/article/1831967817369481216.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">分享大厂对于<em>缓存</em>操作的封装</h4> </div> <div class="article-excerpt"> <em>缓存</em>大家再熟悉不过了，几乎是现在任何系统的标配，并引申出来很多的问题：<em>缓存</em>穿透、<em>缓存</em>击穿、<em>缓存</em>雪崩…哎，作为天天敲业务代码的人，哪有时间天天考虑这么多的破事。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> shigen01<span class="dot">·</span>2024-09-06 16:59 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%BC%93%E5%AD%98/1.htm"> 缓存 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/spring/1.htm"> spring </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/java/1.htm"> java </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/spring/1.htm"> spring </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/boot/1.htm"> boot </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%90%8E%E7%AB%AF/1.htm"> 后端 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831967438040821760.htm" ></a> <a target="_blank" href="/article/1831967438040821760.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">Redis数据类型简介及使用场景</h4> </div> <div class="article-excerpt"> Redis是一种开源的、基于内存的、数据结构存储的、可以用作数据库、<em>缓存</em>和消息队列的NoSQL系统。它提供了多种丰富的数据类型，每种数据类型都有其特定的使用场景和优点。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 空青726<span class="dot">·</span>2024-09-06 16:28 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/redis/1.htm"> redis </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%BC%93%E5%AD%98/1.htm"> 缓存 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E8%B7%B3%E6%A7%BD/1.htm"> 跳槽 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E8%80%83%E7%A0%94/1.htm"> 考研 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E9%9D%A2%E8%AF%95/1.htm"> 面试 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%90%8E%E7%AB%AF/1.htm"> 后端 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831966807158779904.htm" ></a> <a target="_blank" href="/article/1831966807158779904.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0"><em>MySQL</em>的最左匹配原则</h4> </div> <div class="article-excerpt"> <em>MySQL</em>索引的最左匹配原则：在使用复合索引进行查询时，索引的前缀必须被使用，否则索引将无法起作用。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 失败尽是常态Zzz（热爱、专注、坚持）<span class="dot">·</span>2024-09-06 16:58 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/MySQL%E5%9F%BA%E7%A1%80%E5%AD%A6%E4%B9%A0/1.htm"> MySQL基础学习 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/java/1.htm"> java </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%BC%80%E5%8F%91%E8%AF%AD%E8%A8%80/1.htm"> 开发语言 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql/1.htm"> mysql </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831965296093655040.htm" ></a> <a target="_blank" href="/article/1831965296093655040.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">81.<em>MySQL</em>-PXC高可用集群</h4> </div> <div class="article-excerpt"> Linux7:my.cnf文件需要拷贝到：/etc/my.cnf(非常重要)[root@<em>mysql</em>51~]#<em>mysql</em>pxcbootstrap-pxcBootstrappingPXC(PerconaXtraDBCluster </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 戒掉贪嗔痴(薛双奇)<span class="dot">·</span>2024-09-06 15:58 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93%E8%BF%90%E7%BB%B4-MySQL/1.htm"> 数据库运维-MySQL </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql/1.htm"> mysql </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831964321710698496.htm" ></a> <a target="_blank" href="/article/1831964321710698496.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">【笔记】Explain执行计划怎么看</h4> </div> <div class="article-excerpt"> 来源来源当Explain与SQL语句一起使用时，<em>MySQL</em>会显示来自优化器关于SQL执行的信息。也就是说，<em>MySQL</em>解释了它将如何处理该语句，包括如何连接表以及什么顺序连接表等。 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 寻梦的小柳<span class="dot">·</span>2024-09-06 15:05 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831963656825434112.htm" ></a> <a target="_blank" href="/article/1831963656825434112.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">python 调用 nacos 注册dubbo服务</h4> </div> <div class="article-excerpt"> Python,配置,配置管理,微服务相关视频讲解：python的or运算赋值<em>用法</em>用python编程Excel有没有用处？011_编程到底好玩在哪？ </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 庞少东<span class="dot">·</span>2024-09-06 15:27 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/python/1.htm"> python </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/dubbo/1.htm"> dubbo </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%BC%80%E5%8F%91%E8%AF%AD%E8%A8%80/1.htm"> 开发语言 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831963278855729152.htm" class='news-img' style="background-image:url('http://img.e-com-net.com/image/info8/80d725a235dd45b38e86d2865bb5a4af.jpg@!80x60')" ></a> <a target="_blank" href="/article/1831963278855729152.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0"><em>MySQL</em> | 最左匹配原则</h4> </div> <div class="article-excerpt"> 最左匹配原则最左匹配原则就是指在联合索引中，如果你的SQL语句中用到了联合索引中的最左边的索引，那么这条SQL语句就可以利用这个联合索引去进行匹配。例如某表现有索引(a,b,c)，现在你有如下语句：select*fromtwherea=1andb=1andc=1;#这样可以利用到定义的索引（a,b,c）,用上a,b,cselect*fromtwherea=1andb=1;#这样可以利用到定义的索引 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> ssg-123<span class="dot">·</span>2024-09-06 15:57 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/SQL/1.htm"> SQL </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/database/1.htm"> database </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%B4%A2%E5%BC%95/1.htm"> 索引 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%9C%80%E5%B7%A6%E5%8C%B9%E9%85%8D/1.htm"> 最左匹配 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831959617492578304.htm" ></a> <a target="_blank" href="/article/1831959617492578304.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0"><em>mysql</em>8.0使用PXC实现高可用</h4> </div> <div class="article-excerpt"> <em>MySQL</em>8.0使用PXC实现高可用1.概述官方文档:PerconaXtradbCluster8.0DocumentationPXC（PerconaXtraDBCluster）是一个开源的高可用性、高性能的 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 帽子运维笔记<span class="dot">·</span>2024-09-06 15:24 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E8%BF%90%E7%BB%B4/1.htm"> 运维 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql/1.htm"> mysql </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831959364089507840.htm" class='news-img' style="background-image:url('http://img.e-com-net.com/image/info8/0fa640aa5c524a67a4f7bf4cb55affb0.png@!80x60')" ></a> <a target="_blank" href="/article/1831959364089507840.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0"><em>Mysql</em>备份还原</h4> </div> <div class="article-excerpt"> <em>Mysql</em>备份还原1、备份类型热备份、温备份、冷备份（根据服务器状态）热备份：读、写不受影响；温备份：仅可以执行读操作；冷备份：离线备份；读、写操作均中止；物理备份与逻辑备份（从对象来分）物理备份：复制数据文件 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> qBeautifulBoy<span class="dot">·</span>2024-09-06 15:23 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql/1.htm"> mysql </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831958104711983104.htm" ></a> <a target="_blank" href="/article/1831958104711983104.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">Kafka 如何保证数据不丢失？不重复</h4> </div> <div class="article-excerpt"> all，retries>0retry.backoff.ms=100(毫秒)(并根据实际情况设置retry可能恢复的间隔时间)优点：这样保证了producer端每发送一条消息都要成功，如果不成功并将消息<em>缓存</em>起来 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 优秀后端工程师<span class="dot">·</span>2024-09-06 15:23 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/Java%E7%A8%8B%E5%BA%8F%E5%91%98/1.htm"> Java程序员 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/kafka/1.htm"> kafka </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/linq/1.htm"> linq </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%88%86%E5%B8%83%E5%BC%8F/1.htm"> 分布式 </a> </li> </ul> </div> </div> </div> <div class="news-item stream__item clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831956590366912512.htm" class='news-img' style="background-image:url('http://img.e-com-net.com/image/info8/34dc63a355db4f16887bd2a066650c97.jpg@!80x60')" ></a> <a target="_blank" href="/article/1831956590366912512.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0"><em>Mysql</em>-PXC 高可用 Docker部署</h4> </div> <div class="article-excerpt"> <em>mysql</em>ha部署方案PXC环境#127.16网段作为测试网络dockernetworkcreate--subnet=172.16.0.0/16--driverbridgehfnet网段应用宿主映射说明 </div> </a> <div class="news__item-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> haifengat<span class="dot">·</span>2024-09-06 15:22 </span> </span> <ul class="taglist--inline inline-block article__title--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/docker/1.htm"> docker </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%A4%A7%E6%95%B0%E6%8D%AE/1.htm"> 大数据 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/mysql/1.htm"> mysql </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E8%B4%9F%E8%BD%BD%E5%9D%87%E8%A1%A1/1.htm"> 负载均衡 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/docker/1.htm"> docker </a> </li> </ul> </div> </div> </div> </div> <!-- 首页底部--动态广告 --> <div id="bottom-1" class="col-lg-12 col-md-12 col-sm-4 col-xs-4 ad"> <div class="youdao-fixed-ad" id="index_ad_bottom_1"></div> </div> </div> <div class="col-md-3 col-xs-12 right" id="right"> <!-- 首页右侧--动态广告1 --> <div id="right-1" class="col-lg-12 col-md-12 col-sm-4 col-xs-4 ad"> <div class="youdao-fixed-ad" id="index_ad_right_1"></div> </div> <!-- 首页右侧--动态广告2 --> <div id="right-2" class="col-lg-12 col-md-12 col-sm-4 col-xs-4 ad"> <div class="youdao-fixed-ad" id="index_ad_right_2"></div> </div> <!-- 首页右侧--动态广告3 --> <div id="right-3" class="col-lg-12 col-md-12 col-sm-4 col-xs-4 ad"> <div class="youdao-fixed-ad" id="index_ad_right_3"></div> </div> </div> </div> <div class="page_mod mt15"> <span class="page_next"><a href="/search/mysql%E7%BC%93%E5%AD%98%E7%94%A8%E6%B3%95/16.htm" target="_self" title="上一页" class="page_next">上一页</a></span> <a href="/search/mysql%E7%BC%93%E5%AD%98%E7%94%A8%E6%B3%95/13.htm">13</a> <a href="/search/mysql%E7%BC%93%E5%AD%98%E7%94%A8%E6%B3%95/14.htm">14</a> <a href="/search/mysql%E7%BC%93%E5%AD%98%E7%94%A8%E6%B3%95/15.htm">15</a> <a href="/search/mysql%E7%BC%93%E5%AD%98%E7%94%A8%E6%B3%95/16.htm">16</a> <span class="current">17</span> <a href="/search/mysql%E7%BC%93%E5%AD%98%E7%94%A8%E6%B3%95/18.htm">18</a> <a href="/search/mysql%E7%BC%93%E5%AD%98%E7%94%A8%E6%B3%95/19.htm">19</a> <a href="/search/mysql%E7%BC%93%E5%AD%98%E7%94%A8%E6%B3%95/20.htm">20</a> <span class="page_next"><a href="/search/mysql%E7%BC%93%E5%AD%98%E7%94%A8%E6%B3%95/18.htm" target="_self" title="下一页" class="page_next">下一页</a></span> </div> </div> </div> <div> <div class="container"> <div class="indexes"> <strong>按字母分类：</strong> <a href="/tags/A/1.htm" target="_blank">A</a><a href="/tags/B/1.htm" target="_blank">B</a><a href="/tags/C/1.htm" target="_blank">C</a><a href="/tags/D/1.htm" target="_blank">D</a><a href="/tags/E/1.htm" target="_blank">E</a><a href="/tags/F/1.htm" target="_blank">F</a><a href="/tags/G/1.htm" target="_blank">G</a><a href="/tags/H/1.htm" target="_blank">H</a><a href="/tags/I/1.htm" target="_blank">I</a><a href="/tags/J/1.htm" target="_blank">J</a><a href="/tags/K/1.htm" target="_blank">K</a><a href="/tags/L/1.htm" target="_blank">L</a><a href="/tags/M/1.htm" target="_blank">M</a><a href="/tags/N/1.htm" target="_blank">N</a><a href="/tags/O/1.htm" target="_blank">O</a><a href="/tags/P/1.htm" target="_blank">P</a><a href="/tags/Q/1.htm" target="_blank">Q</a><a href="/tags/R/1.htm" target="_blank">R</a><a href="/tags/S/1.htm" target="_blank">S</a><a href="/tags/T/1.htm" target="_blank">T</a><a href="/tags/U/1.htm" target="_blank">U</a><a href="/tags/V/1.htm" target="_blank">V</a><a href="/tags/W/1.htm" target="_blank">W</a><a href="/tags/X/1.htm" target="_blank">X</a><a href="/tags/Y/1.htm" target="_blank">Y</a><a href="/tags/Z/1.htm" target="_blank">Z</a><a href="/tags/0/1.htm" target="_blank">其他</a> </div> </div> </div> <footer id="footer" class="mb30 mt30"> <div class="container"> <div class="footBglm"> <a target="_blank" href="/">首页</a> - <a target="_blank" href="/custom/about.htm">关于我们</a> - <a target="_blank" href="/search/Java/1.htm">站内搜索</a> - <a target="_blank" href="/sitemap.txt">Sitemap</a> - <a target="_blank" href="/custom/delete.htm">侵权投诉</a> </div> <div class="copyright">版权所有 IT知识库 CopyRight © 2000-2050 E-COM-NET.COM , All Rights Reserved. <!-- <a href="https://beian.miit.gov.cn/" rel="nofollow" target="_blank">京ICP备09083238号</a><br>--> </div> </div> </footer> <!-- 代码高亮 --> <script type="text/javascript" src="/static/syntaxhighlighter/scripts/shCore.js"></script> <script type="text/javascript" src="/static/syntaxhighlighter/scripts/shLegacy.js"></script> <script type="text/javascript" src="/static/syntaxhighlighter/scripts/shAutoloader.js"></script> <link type="text/css" rel="stylesheet" href="/static/syntaxhighlighter/styles/shCoreDefault.css"/> <script type="text/javascript" src="/static/syntaxhighlighter/src/my_start_1.js"></script> </body> </html>