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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=2">
<meta name="theme-color" content="#222">
<meta name="generator" content="Hexo 7.3.0">
<link rel="apple-touch-icon" sizes="180x180" href="/blog/images/favicon.jpg">
<link rel="icon" type="image/png" sizes="32x32" href="/blog/images/favicon.jpg">
<link rel="icon" type="image/png" sizes="16x16" href="/blog/images/favicon.jpg">
<link rel="mask-icon" href="/blog/images/favicon.jpg" color="#222">
<link rel="stylesheet" href="/blog/css/main.css">
<link rel="stylesheet" href="/blog/lib/font-awesome/css/all.min.css">
<link rel="stylesheet" href="/blog/lib/pace/pace-theme-flash.min.css">
<script src="/blog/lib/pace/pace.min.js"></script>
<script id="hexo-configurations">
var NexT = window.NexT || {};
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<meta name="description" content="人间的饭，吃一碗少一碗，身边的人，见一面少一面，脚下的路，走一天少一天，其实人生就是一个减法，来日并不方长！">
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// https://hexo.io/docs/variables.html
CONFIG.page = {
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<title>胖不了小陆</title>
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<style>
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<h1 class="site-title">胖不了小陆</h1>
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<a href="https://github.com/rstyro" class="github-corner" title="Follow me on GitHub" aria-label="Follow me on GitHub" rel="noopener" target="_blank"><svg width="80" height="80" viewBox="0 0 250 250" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a>
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<a href="/blog/2024/12/02/VitePress%E7%9A%84%E4%BD%BF%E7%94%A8/" class="post-title-link" itemprop="url">VitePress的使用</a>
</h2>
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<time title="创建时间：2024-12-02 16:43:29" itemprop="dateCreated datePublished" datetime="2024-12-02T16:43:29+08:00">2024-12-02</time>
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<h2 id="VitePress的使用"><a href="#VitePress的使用" class="headerlink" title="VitePress的使用"></a>VitePress的使用</h2><ul>
<li>VitePress 是一个静态站点生成器 (SSG)，专为构建快速、以内容为中心的网站而设计。简而言之，VitePress 获取用 Markdown 编写的源内容，为其应用主题，并生成可以轻松部署在任何地方的静态 HTML 页面</li>
<li>文档地址：<a target="_blank" rel="noopener" href="https://vitepress.qzxdp.cn/guide/what-is-vitepress.html">https://vitepress.qzxdp.cn/guide/what-is-vitepress.html</a></li>
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<h2 class="post-title" itemprop="name headline">
<a href="/blog/2024/11/30/Hexo-%E7%AC%94%E8%AE%B0/" class="post-title-link" itemprop="url">Hexo-笔记</a>
</h2>
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<time title="创建时间：2024-11-30 18:37:24" itemprop="dateCreated datePublished" datetime="2024-11-30T18:37:24+08:00">2024-11-30</time>
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<p>Hexo相关配置笔记，还有一些next主题自定义配置</p>
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<h3 id="一、Kubernetes概述"><a href="#一、Kubernetes概述" class="headerlink" title="一、Kubernetes概述"></a>一、Kubernetes概述</h3><ul>
<li>Kubernetes 是一个可移植、可扩展的开源平台，用于管理容器化的工作负载和服务，可促进声明式配置和自动化。 Kubernetes 拥有一个庞大且快速增长的生态，其服务、支持和工具的使用范围相当广泛。</li>
<li>Kubernetes 这个名字源于希腊语，意为“舵手”或“飞行员”。K8s 这个缩写是因为 K 和 s 之间有 8 个字符的关系。 Google 在 2014 年开源了 Kubernetes 项目。 Kubernetes 建立在 Google 大规模运行生产工作负载十几年经验的基础上， 结合了社区中最优秀的想法和实践。</li>
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<h3 id="一、什么是Prometheus？"><a href="#一、什么是Prometheus？" class="headerlink" title="一、什么是Prometheus？"></a>一、什么是Prometheus？</h3><ul>
<li>Prometheus 是一个开源的系统监控和警报工具，主要用于采集和存储时间序列数据，它主要服务于现代的云原生环境，支持各种基础设施和应用程序的监控。</li>
<li>最初在 SoundCloud 构建。自 2012 年成立以来，许多 公司和组织都采用了 Prometheus，该项目有一个非常 活跃的开发人员和用户社区。它现在是一个独立的开源项目 并独立于任何公司进行维护。强调这一点，并澄清 该项目的治理架构，Prometheus 于 2016 年加入云原生计算基金会 作为继 Kubernetes 之后的第二个托管项目。</li>
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<h3 id="一、概述"><a href="#一、概述" class="headerlink" title="一、概述"></a>一、概述</h3><ul>
<li>在Java 8中引入了函数式编程的概念，并提供了一些新的函数式接口来支持函数式编程的需求。这些函数式接口可以简化代码、提高开发效率，并且可以应用于各种场景。</li>
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<h4 id="1、什么是函数式接口？"><a href="#1、什么是函数式接口？" class="headerlink" title="1、什么是函数式接口？"></a>1、什么是函数式接口？</h4><ul>
<li>函数式接口是指只包含一个抽象方法的接口。在Java中，函数式接口可以被赋予Lambda表达式或者方法引用，从而实现函数式编程的特性。Java 8引入了一些新的函数式接口，如Function、Consumer、Supplier和Predicate等。</li>
<li>在<code>java.util.function</code>包下的都是</li>
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<h3 id="一、什么是Sentinel"><a href="#一、什么是Sentinel" class="headerlink" title="一、什么是Sentinel"></a>一、什么是Sentinel</h3><p>Sentinel (分布式系统的流量防卫兵) 是阿里开源的一套用于服务容错的综合性解决方案。它以流量<br>为切入点, 从流量控制、熔断降级、系统负载保护等多个维度来保护服务的稳定性。</p>
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<h3 id="一、向量检索"><a href="#一、向量检索" class="headerlink" title="一、向量检索"></a>一、向量检索</h3><h4 id="1、向量的定义"><a href="#1、向量的定义" class="headerlink" title="1、向量的定义"></a>1、向量的定义</h4><ul>
<li>计算机只认识数字，它只能通过数字来量化这个世界，用一组数字来表示一个事物，这样的一组数字就是一个向量（Vector）</li>
<li>如果一个向量由N个数字组成，它就是一个N维向量。拿目前广泛使用的人脸识别技术来说，计算机从照片或视频中提取出人脸的图像，然后将人脸图像转换为128维或者更高维度的向量。</li>
<li>首先我们了解下什么是向量，所谓向量就是由N个数字（二值向量由N个比特组成）组成的数组，我们称之为N维向量。</li>
<li>而向量检索就是在一个给定向量数据集中，按照某种度量方式，检索出与查询向量相近的K个向量（K-Nearest Neighbor，KNN），但由于KNN计算量过大，我们通常只关注近似近邻（Approximate Nearest Neighbor，ANN）问题。</li>
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<h2 id="RapidOCR"><a href="#RapidOCR" class="headerlink" title="RapidOCR"></a>RapidOCR</h2><h3 id="RapidOCR概述"><a href="#RapidOCR概述" class="headerlink" title="RapidOCR概述"></a>RapidOCR概述</h3><ul>
<li>💖目前已知<strong>运行速度最快、支持最广</strong>，完全开源免费并支持离线快速部署的多平台多语言OCR。</li>
<li><strong>支持的语言</strong>: 默认是中英文，其他语言识别需要自助转换。具体参考<a target="_blank" rel="noopener" href="https://rapidai.github.io/RapidOCRDocs/docs/about_model/support_language/">这里</a></li>
<li><strong>缘起</strong>：<a target="_blank" rel="noopener" href="https://github.com/PaddlePaddle/PaddleOCR">PaddleOCR</a>工程化不是太好，为了方便大家在各种端上进行OCR推理，我们将PaddleOCR中的模型转换为ONNX格式，使用<code>Python/C++/Java/Swift/C#</code> 将它移植到各个平台。</li>
<li><strong>名称来源</strong>： 轻快好省并智能。基于深度学习的OCR技术，主打人工智能优势及小模型，以速度为使命，效果为主导。</li>
<li>使用：<ul>
<li>如果仓库下已有模型满足要求 → RapidOCR部署使用即可。</li>
<li>不满足要求 → 基于PaddleOCR在自己数据上微调 → RapidOCR部署。</li>
</ul>
</li>
<li>官方文档地址：<a target="_blank" rel="noopener" href="https://rapidai.github.io/RapidOCRDocs/docs/overview/">https://rapidai.github.io/RapidOCRDocs/docs/overview/</a></li>
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<h3 id="一、Seata安装与使用笔记"><a href="#一、Seata安装与使用笔记" class="headerlink" title="一、Seata安装与使用笔记"></a>一、Seata安装与使用笔记</h3><ul>
<li>也就是充当协调者的角色，TC服务</li>
<li>下载地址：<a target="_blank" rel="noopener" href="http://seata.io/zh-cn/blog/download.html">http://seata.io/zh-cn/blog/download.html</a></li>
<li>或者去Github下载，地址：<a target="_blank" rel="noopener" href="https://github.com/seata/seata/releases">https://github.com/seata/seata/releases</a></li>
<li>当前最新版本：1.7.0（2023-07-11）</li>
<li>下载之后，解压，修改conf里面的<code>application.yml</code>配置启动就可以了</li>
<li>可以参考<code>application.example.yml</code> 示例配置</li>
<li>删掉一些不必要的配置，大概的demo如下：
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<h3 id="一、汉字Unicode编码范围"><a href="#一、汉字Unicode编码范围" class="headerlink" title="一、汉字Unicode编码范围"></a>一、汉字Unicode编码范围</h3><table>
<thead>
<tr>
<th>字符集</th>
<th>字数</th>
<th align="left">Unicode 编码</th>
</tr>
</thead>
<tbody><tr>
<td>基本汉字</td>
<td>20902字</td>
<td align="left">4E00-9FA5</td>
</tr>
<tr>
<td>基本汉字补充</td>
<td>90字</td>
<td align="left">9FA6-9FFF</td>
</tr>
<tr>
<td>扩展A</td>
<td>6592字</td>
<td align="left">3400-4DBF</td>
</tr>
<tr>
<td>扩展B</td>
<td>42720字</td>
<td align="left">20000-2A6DF</td>
</tr>
<tr>
<td>扩展C</td>
<td>4154字</td>
<td align="left">2A700-2B739</td>
</tr>
<tr>
<td>扩展D</td>
<td>222字</td>
<td align="left">2B740-2B81D</td>
</tr>
<tr>
<td>扩展E</td>
<td>5762字</td>
<td align="left">2B820-2CEA1</td>
</tr>
<tr>
<td>扩展F</td>
<td>7473字</td>
<td align="left">2CEB0-2EBE0</td>
</tr>
<tr>
<td>扩展G</td>