首页：修订间差异

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-[[File:Yoda.png|200px|frameless|right]]
+<div class="main-page-container">
-<q>
+<div class="hero-section">
-The answer to life, the universe, and everything——is 42.
+<div class="hero-title">全栈开发者的技术实验室</div>
-</q>
+<div class="hero-subtitle">从 JVM 字节码到 ESP32 引脚，偶尔写诗</div>
+<div class="hero-stats">
+<span class="hero-stat">📚 {{NUMBEROFPAGES}} 页笔记</span>
+<span class="hero-stat">📝 {{NUMBEROFARTICLES}} 篇技术文章</span>
+<span class="hero-stat">✏️ {{NUMBEROFEDITS}} 次编辑</span>
+</div>
+</div>
-But, why?
+<div class="section-heading">🧱 技术支柱</div>
+<div class="pillars-grid">
-__NOTOC__
+<div class="pillar-card">
+<div class="pillar-icon">☁️</div>
+<div class="pillar-title">[[Category:后端与分布式|后端与分布式]]</div>
+<div class="pillar-desc">数据库引擎、JVM 底层机制、分布式共识、并发模型、微服务架构。从 CRUD 到 CRDT，从单机事务到全球部署。</div>
+<div class="pillar-meta">涵盖 {{PAGESINCATEGORY:Database}} 篇数据库笔记 · {{PAGESINCATEGORY:JVM}} 篇 JVM 笔记</div>
+<div style="margin-top:auto;">
+[[Category:后端与分布式|<span style="background:#2563eb;color:white;padding:0.5rem 1.25rem;border-radius:6px;text-decoration:none;font-size:0.9rem;font-weight:500;">浏览分类 →</span>]]
+</div>
+</div>
-== 精选主题 ==
+<div class="pillar-card">
+<div class="pillar-icon">⚡</div>
+<div class="pillar-title">[[Category:系统与底层|系统与底层]]</div>
+<div class="pillar-desc">Linux 内核与 eBPF、嵌入式开发、汇编语言、硬件交互。在寄存器级别理解计算机，在引脚级别驯服硬件。</div>
+<div class="pillar-meta">涵盖 {{PAGESINCATEGORY:Linux}} 篇 Linux 笔记 · {{PAGESINCATEGORY:Embedded}} 篇嵌入式笔记</div>
+<div style="margin-top:auto;">
+[[Category:系统与底层|<span style="background:#2563eb;color:white;padding:0.5rem 1.25rem;border-radius:6px;text-decoration:none;font-size:0.9rem;font-weight:500;">浏览分类 →</span>]]
+</div>
+</div>
-* [[Java programmer cheat sheet|现代八股文合集]]
+<div class="pillar-card">
-* [[Algorithm collection|算法合集]]
+<div class="pillar-icon">🤖</div>
+<div class="pillar-title">[[Category:AI与算法|AI 与算法]]</div>
+<div class="pillar-desc">深度学习实践、本地大模型部署、经典算法与 LeetCode 题解。从反向传播到 CRDT 编码，从数学直觉到工程落地。</div>
+<div class="pillar-meta">涵盖 {{PAGESINCATEGORY:Algorithm}} 道算法题 · {{PAGESINCATEGORY:Deep Learning}} 篇深度学习笔记</div>
+<div style="margin-top:auto;">
+[[Category:AI与算法|<span style="background:#2563eb;color:white;padding:0.5rem 1.25rem;border-radius:6px;text-decoration:none;font-size:0.9rem;font-weight:500;">浏览分类 →</span>]]
+</div>
+</div>
-== 精选内容 ==
+</div>
-* 2023/12/13 [[NanoGPT Tutorial]]
+<div class="random-section">
-* 2021/07/15 [[Flutter performance optimization|Flutter性能优化实践]]
+[{{fullurl:Special:Random}} <span class="random-btn">🎲 随便翻翻</span>]
-* 2021/07/05 [[KDBX4 file format|KDBX4 文件格式解析]]
+</div>
-* 2021/07/05 [[Java GC summary|Java GC小结]]
-* 2021/06/28 [[Redis distributed lock]]
+<div class="two-column">
-* 2021/06/28 [[Redis Memory limit and eviction policy configuration]]
-* 2021/05/03 [[A brief introduction to MySQL binary log]]
+<div class="column-box">
-* 2021/01/05 [[Jer lang grammar design| Jer语言设计]]
+<div class="column-title">🆕 最近更新</div>
-* 2020/11/04 [[Invoke SqlCipher using Flutter ffi|Flutter中使用ffi调用SqlCipher]]
+{{Special:RecentChanges/5}}
-* 2020/09/25 [[SQLite3 file format]]
+</div>
-* 2020/05/13 [[PyQt5 hello world|PyQt5入门小程序]]
-* 2020/03/04 [[Burrows–Wheeler Transform]]
+<div class="column-box">
-* 2020/01/25 [[Debug JDK source code]]
+<div class="column-title">⭐ 本周精选</div>
-* 2019/06/27 [[IEEE 754|IEEE 754浮点数转换]]
+<div class="featured-article">
-* 2018/12/18 [[B-Tree alrogithm|B-Tree算法]]
+<div class="featured-title">[[Yjs varint encoding]]</div>
-* 2018/04/09 [[Compile OpenJDK8 on MacOSX]]
+<div class="featured-desc">CRDT 中的变长整数编码为何值得单独成文？因为它决定了同步时的带宽效率和解码速度。</div>
-* 2017/11/20 [[Compile live555 for Android]]
+</div>
+<div class="featured-article">
+<div class="featured-title">[[Leveraging Ollama to Build Your Local LLM Helper]]</div>
+<div class="featured-desc">在本地跑大模型不只是为了隐私，更是为了把 AI 变成你开发流程的一部分。</div>
+</div>
+<p style="font-size:0.8rem;color:#9ca3af;margin-top:1rem;">💡 精选文章每周手动更新</p>
+</div>
+</div>
+<div class="stats-panel">
+<div class="section-heading" style="border:none;margin:0 0 1rem 0;">📊 知识版图</div>
+<div class="stats-grid">
+<div class="stat-item">
+<div class="stat-number">{{PAGESINCATEGORY:Database}}</div>
+<div class="stat-label">数据库</div>
+</div>
+<div class="stat-item">
+<div class="stat-number">{{PAGESINCATEGORY:Algorithm}}</div>
+<div class="stat-label">算法题目</div>
+</div>
+<div class="stat-item">
+<div class="stat-number">{{PAGESINCATEGORY:Concurrency}}</div>
+<div class="stat-label">并发</div>
+</div>
+<div class="stat-item">
+<div class="stat-number">{{PAGESINCATEGORY:HTTP}}</div>
+<div class="stat-label">HTTP 协议栈</div>
+</div>
+<div class="stat-item">
+<div class="stat-number">{{PAGESINCATEGORY:Embedded}}</div>
+<div class="stat-label">嵌入式</div>
+</div>
+<div class="stat-item">
+<div class="stat-number">{{PAGESINCATEGORY:Deep Learning}}</div>
+<div class="stat-label">深度学习</div>
+</div>
+</div>
+</div>
+<div class="status-section">
+<div class="section-heading">🛠️ 此刻在折腾</div>
+<div class="status-item"><span class="status-icon">🔬</span> Kubernetes Storage Class 调优</div>
+<div class="status-item"><span class="status-icon">🔊</span> ESP32 + MAX98357A 音频输出链路</div>
+<div class="status-item"><span class="status-icon">📖</span> 重读《Designing Data-Intensive Applications》</div>
+<div class="status-item"><span class="status-icon">🤔</span> [[Why float division is faster than integer division|为什么 float 除法比整数除法快？]]</div>
+</div>
+<div class="poetry-section">
+<div class="mw-collapsible mw-collapsed">
+<div class="section-heading" style="border:none;margin:0;cursor:pointer;">🌙 诗词角落 <small style="font-weight:normal;color:#9ca3af;">（点击展开）</small></div>
+<div class="mw-collapsible-content poetry-grid">
+<div class="poetry-item">[[五言:咏霞·其一]]</div>
+<div class="poetry-item">[[五言:咏霞·其二]]</div>
+<div class="poetry-item">[[七言:冬雪]]</div>
+<div class="poetry-item">[[七言:夜路]]</div>
+<div class="poetry-item">[[相见欢:残霞]]</div>
+<div class="poetry-item">[[骈文:落霞赋]]</div>
+<div class="poetry-item">[[蝶恋花:小夏]]</div>
+<div class="poetry-item">[[五言:初雪]]</div>
+</div>
+</div>
+</div>
+<div class="main-footer">
+<p>始于某年某月 · 持续建设中 · [[Special:Categories|浏览全部分类]]</p>
+<p style="margin-top:0.5rem;font-size:0.75rem;">五言：[[五言:初雪]] · 七言：[[七言:夜路]]</p>
+</div>
+</div>

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2026年7月25日 (六) 12:40的最新版本

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