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    <description>在技术、思考与生活之间——ZIRAN 的个人思考博客：见山 / 从心 / 观澜 / 止水。</description>
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      <title>春末一场梦</title>
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      <pubDate>Tue, 26 May 2026 00:00:00 GMT</pubDate>
      <category>止水</category>
      <description>天上风筝在天上飞 ，地上人儿在地上追 ，你若担心你不能飞 ，你有我的蝴蝶。
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      <title>深入理解 MySQL 窗口函数原理</title>
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      <pubDate>Wed, 20 May 2026 00:00:00 GMT</pubDate>
      <category>见山</category>
      <description>从执行流程到底层逻辑，彻底理解窗口函数的实现机制。</description>
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    <item>
      <title>理解了窗口函数的执行流程</title>
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      <pubDate>Wed, 20 May 2026 00:00:00 GMT</pubDate>
      <category>从心</category>
      <description>终于搞懂了窗口函数分区处理的完整流程，原来每个分区是独立计算的，来彻底厘清了！</description>
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    <item>
      <title>《心流》读书笔记</title>
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      <pubDate>Tue, 19 May 2026 00:00:00 GMT</pubDate>
      <category>观澜</category>
      <description>什么样的体验让人忘记时间？记录《心流》里关于专注、挑战与幸福的几个核心观点。</description>
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    <item>
      <title>实现了一个 RAG Demo</title>
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      <pubDate>Sun, 17 May 2026 00:00:00 GMT</pubDate>
      <category>从心</category>
      <description>用 LangChain + 向量数据库完成了第一个 RAG 应用，整个链路跑通了！</description>
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      <title>周末，去山里走了走</title>
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      <pubDate>Sun, 17 May 2026 00:00:00 GMT</pubDate>
      <category>止水</category>
      <description>把手机调成飞行模式，沿着溪流走了一下午，记录一些细碎的好。</description>
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    <item>
      <title>构建高效的 Prompt 工程体系</title>
      <link>https://cwrl.cc/blog/prompt-engineering</link>
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      <pubDate>Sat, 16 May 2026 00:00:00 GMT</pubDate>
      <category>见山</category>
      <description>总结 AI Prompt 的长期实践经验，归纳出可复用的方法论框架。</description>
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    <item>
      <title>阅读了《被讨厌的勇气》</title>
      <link>https://cwrl.cc/notes/book-disliked</link>
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      <pubDate>Thu, 14 May 2026 00:00:00 GMT</pubDate>
      <category>从心</category>
      <description>课题分离的概念很有启发，别人如何评价你是他们的课题，不是你的。值得反复读。</description>
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    <item>
      <title>信息过载时代，如何保持深度思考</title>
      <link>https://cwrl.cc/blog/deep-thinking</link>
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      <pubDate>Tue, 12 May 2026 00:00:00 GMT</pubDate>
      <category>见山</category>
      <description>在碎片化时代建立自己的认知系统，从信息消费者变成知识创造者。</description>
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    <item>
      <title>优化了博客的性能</title>
      <link>https://cwrl.cc/notes/blog-performance</link>
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      <pubDate>Mon, 11 May 2026 00:00:00 GMT</pubDate>
      <category>从心</category>
      <description>用图片懒加载和代码分割让博客性能分提升明显，Lighthouse 跑到了 98 分。</description>
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    <item>
      <title>使用 Next.js + MDX 搭建个人博客</title>
      <link>https://cwrl.cc/blog/nextjs-mdx-blog</link>
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      <pubDate>Fri, 08 May 2026 00:00:00 GMT</pubDate>
      <category>见山</category>
      <description>从零搭建现代化个人博客系统，支持 MDX 富内容、SEO 优化与 Vercel 一键部署。</description>
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    <item>
      <title>学习了 Astro 框架</title>
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      <pubDate>Fri, 08 May 2026 00:00:00 GMT</pubDate>
      <category>从心</category>
      <description>Astro 的内容驱动理念非常适合构建个人博客，Zero JS by default 的思路让人眼前一亮。</description>
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      <title>整理了 Prompt 工程体系</title>
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      <pubDate>Tue, 05 May 2026 00:00:00 GMT</pubDate>
      <category>从心</category>
      <description>系统整理了过去半年的 Prompt 实践，归纳出几个核心原则，受益匪浅。</description>
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