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    <managingEditor>17691281867@163.com (Wenzhuo Huang)</managingEditor>
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      <title>LangChain 从入门到实战：构建 LLM 应用的工程框架</title>
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      <pubDate>Mon, 09 Feb 2026 11:01:00 +0800</pubDate>
      <author>17691281867@163.com (Wenzhuo Huang)</author>
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      <description>LangChain 是构建 LLM 应用最流行的框架，但也是踩坑最多的框架之一。本文从 LCEL 表达式、ReAct Agent、LangGraph 工作流到生产部署，梳理真正有用的部分，并指出哪些功能实际工程中应该避免。</description>
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      <title>Python 异步编程实战：asyncio 在 AI 应用中的使用</title>
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      <pubDate>Fri, 22 Nov 2024 12:44:00 +0800</pubDate>
      <author>17691281867@163.com (Wenzhuo Huang)</author>
      <guid>https://socake.github.io/posts/python-async-programming/</guid>
      <description>AI 应用天然是 I/O 密集型的：等 LLM 响应、等向量数据库检索、等多个工具调用返回。同步写法在这里是性能杀手。这篇文章从 event loop 原理讲到实际的 AI 应用模式，重点是 asyncio.gather 并发调用、SSE 流式输出处理和常见陷阱排查。</description>
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