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<!DOCTYPE html><html lang="zh-CN" data-theme="light"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,initial-scale=1"><title>jjyaoao's Home - 為世界上所有的美好而戰</title><meta name="author" content="jjyaoao,[email protected]"><meta name="copyright" content="jjyaoao"><meta name="format-detection" content="telephone=no"><meta name="theme-color" content="#ffffff"><meta property="og:type" content="website">
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title="docker期末冲刺">docker期末冲刺</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time class="post-meta-date-created" datetime="2023-06-19T11:54:11.000Z" title="发表于 2023-06-19 19:54:11">2023-06-19</time><span class="article-meta__separator">|</span><i class="fas fa-history"></i><span class="article-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-06-19T14:24:23.409Z" title="更新于 2023-06-19 22:24:23">2023-06-19</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/">课程</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/docker/">docker</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/%E9%81%97%E5%BF%98%E6%8C%87%E5%8D%97/">遗忘指南</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/">学习笔记</a></span></div><div class="content">单选题
正确的说法是C. 私有仓库比较适合单位内部的合作场景。
解析： A. 在任何情况下，都应该搭建自己的私有仓库：这个说法不正确。是否需要搭建私有仓库取决于具体的需求和情况。在某些情况下，使用公共的 Docker Hub 或其他公共仓库已经能够满足需求，无需搭建私有仓库。 B. 私有仓库可以完全替代 Docker Hub：这个说法不正确。私有仓库主要用于存储和管理私有镜像，但 Docker Hub 提供了更广泛的功能和公共镜像资源，私有仓库无法完全替代 Docker Hub。 C. 私有仓库比较适合单位内部的合作场景：这个说法是正确的。私有仓库可以在单位内部提供一个集中的镜像存储和共享平台，方便团队成员之间的合作和镜像的管理。 D. 私有仓库必须先登录才能下载镜像：这个说法不正确。私有仓库可以设置访问权限，但并不是所有私有仓库都需要登录才能下载镜像，这取决于私有仓库的配置和访问控制设置。
D. 卷没有绕过联合文件系统，其读写性能不如绑定挂载。
正确的说法是D. 卷没有绕过联合文件系统，其读写性能不如绑定挂载。
解析： A. 卷是在 Docker 中持久化数据存储的最佳方式：这个说 ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/2023/06/19/%E5%8A%A0%E5%AF%86%E8%B4%A7%E5%B8%81%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="加密货币期末冲刺"> <img class="post_bg" src="https://s2.loli.net/2023/06/05/e6mls5ZAf2oRzb8.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="加密货币期末冲刺"></a></div><div class="recent-post-info"><a class="article-title" href="/2023/06/19/%E5%8A%A0%E5%AF%86%E8%B4%A7%E5%B8%81%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="加密货币期末冲刺">加密货币期末冲刺</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time class="post-meta-date-created" datetime="2023-06-19T04:54:11.000Z" title="发表于 2023-06-19 12:54:11">2023-06-19</time><span class="article-meta__separator">|</span><i class="fas fa-history"></i><span class="article-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-06-19T11:54:52.454Z" title="更新于 2023-06-19 19:54:52">2023-06-19</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/">课程</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/%E5%8A%A0%E5%AF%86%E8%B4%A7%E5%B8%81/">加密货币</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/%E9%81%97%E5%BF%98%E6%8C%87%E5%8D%97/">遗忘指南</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/">学习笔记</a></span></div><div class="content">前几次实验
现在先整理一下高亮部分的重点：
不可能三角区块链三元悖论是指普遍持有的观点，即在去中心化、安全性和可扩展性方面，去中心化网络在任何给定时间只能提供三个好处中的两个。
区块链的可扩展性是指其处理更多交易的能力。
安全性是指保护区块链上的数据免受各种攻击的能力以及区块链对双花的防御。
去中心化是一种网络冗余，可确保网络不受较少实体的控制。
追求“安全”与“去中心化”则无法达到“可扩展性”
比特币区块链技术便是一种追求“去中心化”与“安全”的技术组合。
追求“可扩展性”与“去中心化”则需要牺牲“安全”
极端的案例就是基于P2P的视频播放软件。以往当在线观看人数增多时，基于中央服务器设计的视频服务器会因承载压力变大而速度缓慢。为了提高效率，P2P视频播放软件的设计使得一个节点在下载观看视频文件的同时也不断将数据传输给别人，每个节点不仅是下载者同时也是服务器，资源的分享形成不再依赖于中央服务器的“去中心化”模式
追求“可扩展性”与“安全”则需要牺牲“去中心化”
同样在区块链技术的演化上，除了公有链外，也有联盟链和私有链。联盟链只允许预设的节点进行记账，加入的节 ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/2023/06/15/python%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="python期末冲刺"> <img class="post_bg" src="https://s2.loli.net/2023/06/05/e6mls5ZAf2oRzb8.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="python期末冲刺"></a></div><div class="recent-post-info"><a class="article-title" href="/2023/06/15/python%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="python期末冲刺">python期末冲刺</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time class="post-meta-date-created" datetime="2023-06-15T10:54:11.000Z" title="发表于 2023-06-15 18:54:11">2023-06-15</time><span class="article-meta__separator">|</span><i class="fas fa-history"></i><span class="article-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-06-19T08:15:49.770Z" title="更新于 2023-06-19 16:15:49">2023-06-19</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/">课程</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/python/">python</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/%E9%81%97%E5%BF%98%E6%8C%87%E5%8D%97/">遗忘指南</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/">学习笔记</a></span></div><div class="content">Python基础知识Python语言中，一切皆为对象，而每个对象都属于某个数据类型
python2与python3的不同（Print）：
python没有考虑向下兼容，即python3不能不加修改地去运行一个用python2语法编写的程序
python3中print是一个内置函数，有多个参数，而python2中print是一个语法结构；
Python2打印时可以不加括号：print ‘hello world’， Python3则需要加括号 print(“hello world”)
Python2中，input要求输入的字符串必须要加引号，为了避免读取非字符串类型发生的一些行为，不得不使用raw_input()代替input()
Python的主要优点：
（语法简洁 跨平台 胶水语言 开源 强制可读 支持中文 支持面向对象和面向过程 类的 库丰富）
Python执行代码的两种方式：文件式和交互式
Python的书写规范（变量 标识符 保留字 内置函数 缩进）
Python有一个非常丰富的库，包括标准库和第三方库。以下是一些常用的库：
标准库：
math：提供数学函数和常量。 ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/2023/06/05/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="计算机网络期末冲刺"> <img class="post_bg" src="https://s2.loli.net/2023/06/05/e6mls5ZAf2oRzb8.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="计算机网络期末冲刺"></a></div><div class="recent-post-info"><a class="article-title" href="/2023/06/05/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="计算机网络期末冲刺">计算机网络期末冲刺</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time class="post-meta-date-created" datetime="2023-06-05T12:54:11.000Z" title="发表于 2023-06-05 20:54:11">2023-06-05</time><span class="article-meta__separator">|</span><i class="fas fa-history"></i><span class="article-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-06-15T10:25:14.467Z" title="更新于 2023-06-15 18:25:14">2023-06-15</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/">课程</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/">计算机网络</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/%E9%81%97%E5%BF%98%E6%8C%87%E5%8D%97/">遗忘指南</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/">学习笔记</a></span></div><div class="content">计算机网络期末冲刺因特网发展的三个阶段第一阶段是从单个网络 ARPANET 向互联网发展的过程。
第二阶段 ：Internet 网
第三阶段形成了多层次 ISP 结构的因特网（因特网服务提供者 ISP）
因特网的组成边缘部分：所有连接在因特网上的主机组成
核心部分 ：大量网络和连接这些网络的路由器组成。这部分是为边缘部分提供服务的（提供连通性和交换）。
两种通信方式客户-服务器方式（C/S 方式）
对等方式（P2P 方式）
路由器的重要任务网络核心部分起特殊作用的是路由器(router)，它是实现分组交换(packet switching)的关键构件
三种交换电路交换
报文交换
分组交换
几种不同类别的网络作用范围进行分类：
广域网 WAN (Wide Area Network)
城域网 MAN (Metropolitan Area Network)
局域网 LAN (Local Area Network)
个人区域网 PAN (Personal Area Network)
网络的使用者进行分类：
公用网 (public network)
专用网 (private netw ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/2023/05/25/Go%E8%AF%AD%E8%A8%80%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="go期末冲刺"> <img class="post_bg" src="https://s2.loli.net/2023/05/08/RJmFMvZsr8LO5lt.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="go期末冲刺"></a></div><div class="recent-post-info"><a class="article-title" href="/2023/05/25/Go%E8%AF%AD%E8%A8%80%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="go期末冲刺">go期末冲刺</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time class="post-meta-date-created" datetime="2023-05-25T11:54:11.000Z" title="发表于 2023-05-25 19:54:11">2023-05-25</time><span class="article-meta__separator">|</span><i class="fas fa-history"></i><span class="article-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-06-19T07:40:37.688Z" title="更新于 2023-06-19 15:40:37">2023-06-19</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/">课程</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/go/">go</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/%E9%81%97%E5%BF%98%E6%8C%87%E5%8D%97/">遗忘指南</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/">学习笔记</a></span></div><div class="content">判断题1.数组是一个值类型（）
T
2.使用map不需要引入任何库（）
T
3.内置函数delete可以删除数组切片内的元素（）
F
4.指针是基础类型（）
F
5.interface{}是可以指向任意对象的Any类型（）
T
Golang不支持自动垃圾回收（）
F
7.下面代码中两个斜点之间的代码，比如json:”x”，作用是X字段在从结构体实例编码到JSON数据格式的时候，使用x作为名字，这可以看作是一种重命名的方式（）
12345type Position struct { X int `json:"x"` Y int `json:"y"` Z int `json:"z"`}
T
8.通过成员变量或函数首字母的大小写来决定其作用域（）
T
9.对于常量定义zero (const zero = 0.0)，zero是浮点型常量（）
F
10.对变量x的取反操作是~x（）
F
1.golang支持goto语句（）
T
2.匿名函数可以直接赋值给一个变量或者直接执行 ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/2023/05/08/Linux%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="linux期末冲刺"> <img class="post_bg" src="https://s2.loli.net/2023/05/08/RJmFMvZsr8LO5lt.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="linux期末冲刺"></a></div><div class="recent-post-info"><a class="article-title" href="/2023/05/08/Linux%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="linux期末冲刺">linux期末冲刺</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time class="post-meta-date-created" datetime="2023-05-08T03:55:11.000Z" title="发表于 2023-05-08 11:55:11">2023-05-08</time><span class="article-meta__separator">|</span><i class="fas fa-history"></i><span class="article-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-05-11T12:54:54.672Z" title="更新于 2023-05-11 20:54:54">2023-05-11</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/">课程</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/linux/">linux</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/%E9%81%97%E5%BF%98%E6%8C%87%E5%8D%97/">遗忘指南</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/">学习笔记</a></span></div><div class="content">得分细则第一部分：选择题（30分）（15个，每题2分）
第二部分：填空题（20分）（10个，每空2分）
第三部分：编程题（20分）（5题，每题4分）
第四部分：综合题（30分） （2题，22+8）
选择题
-l。该选项会以长格式（long format）显示目录的内容，每个文件或目录占用一行，并列出文件或目录的详细信息，例如权限、所有者、大小、时间戳等。
-t：按照修改时间（modification time）排序，最新修改的文件或目录会显示在前面。
-r：按照相反的顺序排序，即倒序排列。
-s：以文件大小（size）为基准，按照升序排列。这个选项通常用于查找占用磁盘空间较大的文件。
-A：显示所有文件和目录，包括以.开头的隐藏文件和目录，但不包括.和..目录。这个选项通常用于查看隐藏文件。
-f 选项表示“跟踪”（follow）文件，也就是当文件内容发生变化时，继续输出新的内容。
-n选项可以指定输出的行数
选项 A，即 tr 命令(“translate”)，用于转换或删除文件中的字符，不是查看文件的命令。
选项 B，即 less 命令，可以 ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/2023/04/27/ospp/" title="无题"> <img class="post_bg" src="https://s2.loli.net/2022/01/09/5AZcxFLwyiXJ6ln.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="无题"></a></div><div class="recent-post-info"><a class="article-title" href="/2023/04/27/ospp/" title="无题">无题</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time class="post-meta-date-created" datetime="2023-04-27T03:09:21.465Z" title="发表于 2023-04-27 11:09:21">2023-04-27</time><span class="article-meta__separator">|</span><i class="fas fa-history"></i><span class="article-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-04-27T03:10:30.381Z" title="更新于 2023-04-27 11:10:30">2023-04-27</time></span></div><div class="content">配环境
安装 Docker Compose
卸载旧版本的 Docker Compose（如果已经安装过）：
12bashCopy codesudo rm /usr/local/bin/docker-compose
下载最新版本的 Docker Compose：
12bashCopy codesudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
这里下载的是 Docker Compose 的 1.29.2 版本。也可以前往 Docker Compose 的官方 GitHub 仓库 下载其他版本。
将下载的二进制文件授予可执行权限：
12bashCopy codesudo chmod +x /usr/local/bin/docker-compose
确认 Docker Compose 是否正确安装：
12cssCopy code ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/2023/04/05/%E5%BC%80%E6%BA%90%E6%80%BB%E7%BB%93/" title="开源总结"> <img class="post_bg" src="https://s2.loli.net/2023/04/05/TReXAI9sQZCmpK1.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="开源总结"></a></div><div class="recent-post-info"><a class="article-title" href="/2023/04/05/%E5%BC%80%E6%BA%90%E6%80%BB%E7%BB%93/" title="开源总结">开源总结</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time class="post-meta-date-created" datetime="2023-04-05T13:55:11.000Z" title="发表于 2023-04-05 21:55:11">2023-04-05</time><span class="article-meta__separator">|</span><i class="fas fa-history"></i><span class="article-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-06-07T11:23:18.000Z" title="更新于 2023-06-07 19:23:18">2023-06-07</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E6%97%A5%E5%B8%B8/">日常</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E6%97%A5%E5%B8%B8/%E5%BC%80%E6%BA%90%E6%80%BB%E7%BB%93/">开源总结</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/%E9%81%97%E5%BF%98%E6%8C%87%E5%8D%97/">遗忘指南</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/">学习笔记</a></span></div><div class="content">二次开发框架配置git[将Git与Github进行SSH连接 - 知乎 (zhihu.com)](https://zhuanlan.zhihu.com/p/108972475#:~:text=将公钥添加到 github 中 1 在 C%3A\user\xxx.ssh\ 文件夹中找到 id_rsa.pub,中取一个名字（任意）， key 中粘贴你刚刚复制的内容。 然后点击 Add SSH key 即可。)
温馨提示：
1ssh -T [email protected]
应该是不行的，这个时候就要在这个界面提交改动，会弹出来需要认证码的界面，认证过后即可：
模型库在个人中心->模型->我的模型，查询访问令牌。可以通过令牌进行git仓库的使用。
1234git clone http://git.aistudio.baidu.com/2554132/Reading-Comprehension-Model-of-Chinese-Medicine.git # 用码git clone http://[email protected] ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/2023/03/27/%E6%A6%82%E7%8E%87%E8%AE%BA%E8%A2%AB%E8%BF%AB%E5%86%B2%E5%88%BA/" title="概率论被迫冲刺"> <img class="post_bg" src="https://s2.loli.net/2023/03/27/guRJdly2jFY6VwH.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="概率论被迫冲刺"></a></div><div class="recent-post-info"><a class="article-title" href="/2023/03/27/%E6%A6%82%E7%8E%87%E8%AE%BA%E8%A2%AB%E8%BF%AB%E5%86%B2%E5%88%BA/" title="概率论被迫冲刺">概率论被迫冲刺</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time class="post-meta-date-created" datetime="2023-03-27T12:55:11.000Z" title="发表于 2023-03-27 20:55:11">2023-03-27</time><span class="article-meta__separator">|</span><i class="fas fa-history"></i><span class="article-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-05-27T10:25:11.859Z" title="更新于 2023-05-27 18:25:11">2023-05-27</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/">课程</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E8%AF%BE%E7%A8%8B/%E6%A6%82%E7%8E%87%E8%AE%BA/">概率论</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/%E9%81%97%E5%BF%98%E6%8C%87%E5%8D%97/">遗忘指南</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/">学习笔记</a></span></div><div class="content">总结对立，独立和互不相容怎么区分？
减法公式：元素属于A，但不属于B（默认AB相交为一般情况，因此A-B通常为A-AB
期望方差
期望
方差
协方差
不相关和独立
三大分布
矩估计1、求总体均值（得关于未知参数的方程）
2、令总体矩等于样本矩
3、解得矩估计量
离散
连续
似然函数1、构造似然函数L(θ)
2、取对数lnL(θ)
3、令dlnL(θ)/dθ求极值
假设检验
事件的概率事件与运算
需要画图的题
6666666，悟了，关键死抓x与大于小于符号，画箭头
条件概率
套路: 设已知时间为A，求的事件为B
那么，P(B|A)自然是我们需要求得概率，且由题意可知，P(AB)为已知小明60分以上，且小明80分以上的概率，则可以直接转换为小明80分以上的概率，为0.8
即最后答案为：
再换一道更难的题
我们现在无法直接求出P(AB)：今年没发洪水，明年发洪水，那我们分析一下已有条件
无外乎四种情况，分析可知，P(AB)为5%
全概率公式
A是最浅显的事件，B是为了使A发生而需要完成的事件
贝叶斯公式不同个体均可能出现同一件事，这 ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/2023/03/19/Docker/" title="Docker"> <img class="post_bg" src="https://s2.loli.net/2023/03/19/JxCWnMcQ9BopsGf.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="Docker"></a></div><div class="recent-post-info"><a class="article-title" href="/2023/03/19/Docker/" title="Docker">Docker</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time class="post-meta-date-created" datetime="2023-03-19T08:55:11.000Z" title="发表于 2023-03-19 16:55:11">2023-03-19</time><span class="article-meta__separator">|</span><i class="fas fa-history"></i><span class="article-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2023-05-14T14:29:09.888Z" title="更新于 2023-05-14 22:29:09">2023-05-14</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/categories/%E5%90%8E%E7%AB%AF/">后端</a><i class="fas fa-angle-right"></i><a class="article-meta__categories" href="/categories/%E5%90%8E%E7%AB%AF/Docker/">Docker</a></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag"></i><a class="article-meta__tags" href="/tags/%E9%81%97%E5%BF%98%E6%8C%87%E5%8D%97/">遗忘指南</a><span class="article-meta__link">•</span><a class="article-meta__tags" href="/tags/%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/">学习笔记</a></span></div><div class="content">一、安装Ubuntu
来源：如何在 Ubuntu 20.04 上安装和使用 Docker - 知乎 (zhihu.com)
首先，更新软件包索引，并且安装必要的依赖软件，来添加一个新的 HTTPS 软件源：
12sudo apt updatesudo apt install apt-transport-https ca-certificates curl gnupg-agent software-properties-
使用下面的 curl 导入源仓库的 GPG key：
1curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
将 Docker APT 软件源添加到你的系统：
1sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
现在，Docker 软件源被启用了，你可以安装软件源中任何可用的 ...</div></div></div><nav id="pagination"><div class="pagination"><span class="page-number current">1</span><a class="page-number" href="/page/2/#content-inner">2</a><span class="space">…</span><a class="page-number" href="/page/8/#content-inner">8</a><a class="extend next" rel="next" href="/page/2/#content-inner"><i class="fas fa-chevron-right fa-fw"></i></a></div></nav></div><div class="aside-content" id="aside-content"><div class="card-widget card-info"><div class="is-center"><div class="avatar-img"><img src="https://s2.loli.net/2022/01/09/le6jcmPKuJihDdU.jpg" onerror="this.onerror=null;this.src='/img/friend_404.gif'" alt="avatar"/></div><div class="author-info__name">jjyaoao</div><div class="author-info__description"></div></div><div class="card-info-data"><div class="card-info-data-item is-center"><a href="/archives/"><div class="headline">文章</div><div class="length-num">76</div></a></div><div class="card-info-data-item is-center"><a href="/tags/"><div class="headline">标签</div><div class="length-num">10</div></a></div><div class="card-info-data-item is-center"><a href="/categories/"><div class="headline">分类</div><div class="length-num">90</div></a></div></div><a class="button--animated" id="card-info-btn" target="_blank" rel="noopener" href="https://github.com/jjyaoao/"><i class="fab fa-github"></i><span>Follow Me</span></a></div><div class="card-widget card-announcement"><div class="item-headline"><i class="fas fa-bullhorn card-announcement-animation"></i><span>公告</span></div><div class="announcement_content">This is my Blog</div></div><div class="sticky_layout"><div class="card-widget card-recent-post"><div class="item-headline"><i class="fas fa-history"></i><span>最新文章</span></div><div class="aside-list"><div class="aside-list-item"><a class="thumbnail" href="/2023/06/19/docker%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="docker期末冲刺"><img src="https://s2.loli.net/2023/06/19/ACVf5JQdvaPZkRT.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="docker期末冲刺"/></a><div class="content"><a class="title" href="/2023/06/19/docker%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="docker期末冲刺">docker期末冲刺</a><time datetime="2023-06-19T11:54:11.000Z" title="发表于 2023-06-19 19:54:11">2023-06-19</time></div></div><div class="aside-list-item"><a class="thumbnail" href="/2023/06/19/%E5%8A%A0%E5%AF%86%E8%B4%A7%E5%B8%81%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="加密货币期末冲刺"><img src="https://s2.loli.net/2023/06/05/e6mls5ZAf2oRzb8.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="加密货币期末冲刺"/></a><div class="content"><a class="title" href="/2023/06/19/%E5%8A%A0%E5%AF%86%E8%B4%A7%E5%B8%81%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="加密货币期末冲刺">加密货币期末冲刺</a><time datetime="2023-06-19T04:54:11.000Z" title="发表于 2023-06-19 12:54:11">2023-06-19</time></div></div><div class="aside-list-item"><a class="thumbnail" href="/2023/06/15/python%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="python期末冲刺"><img src="https://s2.loli.net/2023/06/05/e6mls5ZAf2oRzb8.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="python期末冲刺"/></a><div class="content"><a class="title" href="/2023/06/15/python%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="python期末冲刺">python期末冲刺</a><time datetime="2023-06-15T10:54:11.000Z" title="发表于 2023-06-15 18:54:11">2023-06-15</time></div></div><div class="aside-list-item"><a class="thumbnail" href="/2023/06/05/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="计算机网络期末冲刺"><img src="https://s2.loli.net/2023/06/05/e6mls5ZAf2oRzb8.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="计算机网络期末冲刺"/></a><div class="content"><a class="title" href="/2023/06/05/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="计算机网络期末冲刺">计算机网络期末冲刺</a><time datetime="2023-06-05T12:54:11.000Z" title="发表于 2023-06-05 20:54:11">2023-06-05</time></div></div><div class="aside-list-item"><a class="thumbnail" href="/2023/05/25/Go%E8%AF%AD%E8%A8%80%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="go期末冲刺"><img src="https://s2.loli.net/2023/05/08/RJmFMvZsr8LO5lt.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="go期末冲刺"/></a><div class="content"><a class="title" href="/2023/05/25/Go%E8%AF%AD%E8%A8%80%E6%9C%9F%E6%9C%AB%E5%86%B2%E5%88%BA/" title="go期末冲刺">go期末冲刺</a><time datetime="2023-05-25T11:54:11.000Z" title="发表于 2023-05-25 19:54:11">2023-05-25</time></div></div></div></div><div class="card-widget" id="card-newest-comments"><div class="item-headline"><i class="fas fa-comment-dots"></i><span>最新评论</span></div><div class="aside-list"><span>正在加载中...</span></div></div><div class="card-widget card-categories"><div class="item-headline">
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