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    <title>词元博客</title>
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    <description>记录生活、技术与思考</description>
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      <title>Google Gemini 完全使用指南（2026）：从免费版到 Gemini Advanced 全功能上手</title>
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      <description>从零基础到进阶，全面讲解 Google Gemini 的模型版本、免费功能、Deep Research、多模态能力、API 使用方法及国内订阅指南。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Gemini</category><category>Google</category><category>AI工具</category><category>Deep Research</category><category>教程</category>
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      <title>Claude Code 深度实战指南（2026）：CLAUDE.md、Hooks、Skills 与 MCP 完全解析</title>
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      <description>Claude Code 进阶功能完全指南：深入讲解 CLAUDE.md 持久记忆、Hooks 确定性自动化、Skills 可复用工作流与 MCP 外部工具连接，以及子代理、上下文管理等工程化实践。</description>
      <pubDate>Tue, 07 Jul 2026 11:21:13 GMT</pubDate>
      <author>拾光</author>
      <category>Claude Code</category><category>AI工具</category><category>开发效率</category><category>Anthropic</category><category>MCP</category><category>Hooks</category>
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      <title>Java 字符串详解：String、StringBuilder 与常用方法全解析</title>
      <link>https://blog.shenqingci.com/blog/java-string-stringbuilder-methods-2026</link>
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      <description>String 不可变性与常量池、StringBuilder 高效拼接，覆盖 split/format/valueOf 等核心方法，附真实示例与性能对比。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>String</category><category>StringBuilder</category><category>字符串</category><category>Java基础</category>
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      <title>Java 入门：JDK、JRE、JVM 是什么，从安装到跑通第一个程序</title>
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      <description>Java从零基础系列第一讲：搞懂JDK/JRE/JVM关系与字节码原理，实测安装JDK 26并跑通Hello World、jshell与包结构示例</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>JDK</category><category>JVM</category><category>编程入门</category>
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      <title>多态：向上转型、向下转型与动态绑定</title>
      <link>https://blog.shenqingci.com/blog/java-polymorphism-upcasting-downcasting-2026</link>
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      <description>讲清楚多态的三个前提、向上转型与向下转型的区别，揭示动态绑定背后的虚方法表机制，并用真实编译运行的代码演示重写与重载的本质差异。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>多态</category><category>面向对象</category><category>instanceof</category><category>动态绑定</category>
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      <title>计算机网络从零基础（十二）：TCP的可靠传输——滑动窗口、超时重传与拥塞控制</title>
      <link>https://blog.shenqingci.com/blog/tcp-reliable-transmission-sliding-window-congestion-control-2026</link>
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      <description>本讲讲解TCP如何用序号、累积确认与滑动窗口保证有序传输,用超时重传和快速重传应对丢包,再通过慢启动与拥塞避免实现拥塞控制,并对比CUBIC与BBR算法现状。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>计算机网络</category><category>TCP</category><category>滑动窗口</category><category>拥塞控制</category>
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      <title>个人博客搭建完全指南：从零开始建立你的数字家园（2026）</title>
      <link>https://blog.shenqingci.com/blog/personal-blog-setup-complete-guide-2026</link>
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      <description>从零搭建个人博客的 2026 完全指南：三类方案怎么选、Hexo 实操命令、买域名、Vercel/Cloudflare 部署、SEO、评论统计、选题与成本，零基础照着做就能上线。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>博客搭建</category><category>Next.js</category><category>个人网站</category><category>Vercel</category><category>建站</category>
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      <title>JWT 是什么：从结构到原理，配一个可交互的解码器</title>
      <link>https://blog.shenqingci.com/blog/what-is-jwt-with-interactive-decoder</link>
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      <description>用一个可交互的解码器带你理解 JWT：三段结构、签名原理、登录流程，以及「明文可读」「难以吊销」等最常见的误解与安全实践。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>JWT</category><category>身份认证</category><category>Web安全</category><category>后端</category><category>知识</category>
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      <title>面向对象基础：类与对象、构造方法、this 关键字</title>
      <link>https://blog.shenqingci.com/blog/java-oop-class-object-constructor-this-2026</link>
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      <description>本讲正式进入Java面向对象编程：讲清类与对象的关系，构造方法重载与this(...)调用链，this关键字三大用法，并配两个真实编译运行的示例代码。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>面向对象</category><category>构造方法</category><category>this关键字</category>
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      <title>UDP协议详解：与TCP的对比及适用场景</title>
      <link>https://blog.shenqingci.com/blog/udp-protocol-vs-tcp-2026</link>
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      <description>零基础讲透UDP协议：报文格式、与TCP的核心差异、DNS/游戏/音视频等真实应用场景，以及QUIC如何在UDP之上重建可靠传输。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>计算机网络</category><category>UDP</category><category>TCP</category><category>QUIC</category><category>网络协议</category>
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      <title>Claude Science 深度解析（2026）：Anthropic 如何用工作流重构科研流程</title>
      <link>https://blog.shenqingci.com/blog/claude-science-ai-workbench-complete-guide-2026</link>
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      <description>Anthropic 于 2026 年 6 月底正式推出 Claude Science 公测版，这是一个整合了超过 60 个科学数据库、多智能体工作流和原生科学可视化的研究工作台，本文深度解析其架构、数据库生态、典型场景与局限性。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Claude</category><category>Anthropic</category><category>AI工具</category><category>科研</category><category>生物信息学</category><category>MCP</category><category>多智能体</category>
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      <title>泛型：类型参数、通配符与类型擦除</title>
      <link>https://blog.shenqingci.com/blog/java-generics-type-parameters-wildcards-erasure-2026</link>
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      <description>深入讲解 Java 泛型的核心概念：泛型类、泛型方法、有界类型参数、三种通配符（无界/?/上界/下界）及 PECS 原则，并揭秘类型擦除的底层机制与常见限制。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>泛型</category><category>通配符</category><category>类型擦除</category><category>Generics</category>
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      <title>防火墙原理：包过滤、状态检测与下一代防火墙</title>
      <link>https://blog.shenqingci.com/blog/firewall-packet-filter-stateful-ngfw-2026</link>
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      <description>从无状态包过滤到状态检测，再到下一代防火墙（NGFW），深入讲解三代防火墙的工作原理、规则设计、DPI深度包检测、应用识别与用户身份集成。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>计算机网络</category><category>防火墙</category><category>NGFW</category><category>网络安全</category><category>iptables</category>
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      <title>OpenAI Codex 完全使用指南（2026）：零基础到所有功能</title>
      <link>https://blog.shenqingci.com/blog/openai-codex-complete-guide-2026</link>
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      <description>一篇讲全的 OpenAI Codex 完全指南：它是什么、App/IDE/CLI/Cloud 四种入口怎么选、CLI 所有命令与参数、权限沙箱、AGENTS.md、多代理并行、自动化、模型选择，以及和 Claude Code 怎么取舍，附实战工作流与 FAQ。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>AI</category><category>Codex</category><category>OpenAI</category><category>工具</category><category>效率</category>
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    <item>
      <title>v0.dev vs Bolt.new vs Lovable：AI 建站三巨头完全对比指南（2026）</title>
      <link>https://blog.shenqingci.com/blog/v0dev-bolt-lovable-ai-builder-comparison-2026</link>
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      <description>深度对比 v0.dev、Bolt.new、Lovable 三款 2026 年最热 AI 建站工具，从技术栈、定价、使用场景到选型决策，帮你找到最适合自己的工具。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>AI工具</category><category>建站工具</category><category>v0.dev</category><category>Bolt.new</category><category>Lovable</category><category>Vibe Coding</category>
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    <item>
      <title>AI 图像生成工具完全指南（2026）：GPT Image 2、Nano Banana 2、Flux 2 怎么选</title>
      <link>https://blog.shenqingci.com/blog/ai-image-generation-tools-guide-2026</link>
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      <description>GPT Image 2、Nano Banana 2、Flux 2 Pro 怎么选？梳理2026年主流AI图像生成模型价格与场景对比，附提示词模板与本地部署方案。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>AI工具</category><category>图像生成</category><category>提示词工程</category><category>ComfyUI</category><category>AI绘画</category>
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    <item>
      <title>抽象类与接口：abstract、interface 与 default 方法</title>
      <link>https://blog.shenqingci.com/blog/java-abstract-class-interface-2026</link>
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      <description>从零讲清楚抽象类与接口的语法、区别与选型，覆盖 default/static/private 方法、多接口实现冲突解决和 sealed interface 入门，全部真实编译运行验证。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>抽象类</category><category>接口</category><category>default方法</category><category>sealed interface</category>
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    <item>
      <title>继承：extends、super 关键字与方法重写</title>
      <link>https://blog.shenqingci.com/blog/java-inheritance-extends-super-override-2026</link>
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      <description>从 extends 建立继承关系讲到 super 调用父类构造方法与方法，配合真实编译运行讲清方法重写规则、final 限制，以及 Java 17 sealed 类对继承范围的现代化控制。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>继承</category><category>extends</category><category>super</category><category>方法重写</category><category>sealed</category>
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    <item>
      <title>封装：访问修饰符、getter/setter 与 JavaBean 规范</title>
      <link>https://blog.shenqingci.com/blog/java-encapsulation-access-modifiers-getter-setter-2026</link>
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      <description>从私有字段、getter/setter 到 JavaBean 规范，用银行账户和不可变对象两个真实可运行的例子讲清楚 Java 封装的原理与设计取舍。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>封装</category><category>访问修饰符</category><category>JavaBean</category>
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    <item>
      <title>交换机原理：MAC地址表、VLAN与生成树协议</title>
      <link>https://blog.shenqingci.com/blog/switch-mac-table-vlan-stp-2026</link>
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      <description>本讲带你了解交换机如何通过MAC地址表学习与转发数据帧，VLAN如何切分广播域、802.1Q标签格式，以及STP/RSTP如何在多交换机环路中避免广播风暴。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>计算机网络</category><category>交换机</category><category>VLAN</category><category>生成树协议</category><category>MAC地址表</category>
    </item>
    <item>
      <title>Java 数组：一维数组、二维数组与 Arrays 工具类全解析</title>
      <link>https://blog.shenqingci.com/blog/java-arrays-1d-2d-arrays-utils-2026</link>
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      <description>从一维数组到二维矩阵，系统讲解数组的声明、默认值、引用传递机制与常见异常，结合 Arrays 工具类和成绩统计实战，打牢数组这一关键基础。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>数组</category><category>Arrays</category><category>二维数组</category><category>编程入门</category>
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    <item>
      <title>DNS域名系统：从输入网址到看到页面的解析全过程</title>
      <link>https://blog.shenqingci.com/blog/dns-domain-name-system-complete-guide-2026</link>
      <guid isPermaLink="true">https://blog.shenqingci.com/blog/dns-domain-name-system-complete-guide-2026</guid>
      <description>从/etc/hosts的历史局限讲起，深入解析DNS的层级结构、递归查询完整链路、常见记录类型（A/CNAME/MX/TXT/PTR）、TTL缓存机制，以及DoH/DoT/DNSSEC等现代DNS安全方案。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>计算机网络</category><category>DNS</category><category>域名系统</category><category>网络协议</category><category>网络安全</category>
    </item>
    <item>
      <title>ArrayList 与 LinkedList：底层实现与性能对比</title>
      <link>https://blog.shenqingci.com/blog/java-arraylist-linkedlist-implementation-comparison-2026</link>
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      <description>深入剖析 ArrayList 动态数组与 LinkedList 双向链表的底层实现，通过真实性能测试数据对比两者在随机访问、头部插入、迭代等场景下的差异，帮你在实际开发中做出正确选择。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>ArrayList</category><category>LinkedList</category><category>集合框架</category><category>数据结构</category>
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    <item>
      <title>路由原理：路由表、静态路由与动态路由（RIP/OSPF/BGP入门）</title>
      <link>https://blog.shenqingci.com/blog/routing-fundamentals-static-dynamic-rip-ospf-bgp-2026</link>
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      <description>讲清楚路由表的匹配逻辑、静态路由与动态路由的取舍，并介绍RIP、OSPF、BGP三种协议的原理、区别与实际应用场景。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>计算机网络</category><category>路由</category><category>OSPF</category><category>BGP</category><category>RIP</category>
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    <item>
      <title>IPv6详解：地址格式、与IPv4的区别及过渡技术</title>
      <link>https://blog.shenqingci.com/blog/ipv6-protocol-complete-guide-2026</link>
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      <description>从地址格式、报头结构到SLAAC自动配置和NDP邻居发现,详解IPv6与IPv4的核心区别,结合2026年IPv6流量过半与464XLAT过渡现状讲清网络走向。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>计算机网络</category><category>IPv6</category><category>IPv4</category><category>NDP</category><category>网络过渡技术</category>
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    <item>
      <title>IP协议与IP地址：IPv4地址结构与子网划分实战</title>
      <link>https://blog.shenqingci.com/blog/ip-protocol-ipv4-address-subnetting-2026</link>
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      <description>从零讲清 IPv4 地址的结构与分类、子网掩码原理、CIDR 表示法，配合三个子网划分实战案例，覆盖 IP 数据报格式、TTL、路由基础与 DHCP，读完即可动手规划真实网络。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>计算机网络</category><category>IPv4</category><category>子网划分</category><category>IP地址</category><category>CIDR</category>
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      <link>https://blog.shenqingci.com/blog/java-control-flow-if-switch-for-while-2026</link>
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      <description>Java 流程控制详解：if/else、switch 新写法与模式匹配、for/while 循环、break 与 continue，示例均真实编译运行。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>if-else</category><category>switch</category><category>for循环</category><category>while循环</category>
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      <link>https://blog.shenqingci.com/blog/chatgpt-image2-prompt-guide-2026</link>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
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      <category>ChatGPT</category><category>AI绘图</category><category>gpt-image-2</category><category>提示词</category><category>AIGC</category>
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      <link>https://blog.shenqingci.com/blog/physical-layer-basics-2026</link>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
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      <link>https://blog.shenqingci.com/blog/glm-5-2-open-weight-model-guide-2026</link>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
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      <link>https://blog.shenqingci.com/blog/10-real-ways-to-make-money-with-ai-2026</link>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
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      <category>AI赚钱</category><category>ChatGPT</category><category>副业</category><category>变现</category><category>人工智能</category>
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      <link>https://blog.shenqingci.com/blog/java-exception-handling-try-catch-finally-2026</link>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>异常处理</category><category>try-catch-finally</category><category>自定义异常</category><category>异常链</category>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
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      <category>计算机网络</category><category>网络基础</category><category>TCP/IP</category><category>互联网发展史</category>
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      <link>https://blog.shenqingci.com/blog/deepseek-v4-api-complete-guide-2026</link>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
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      <category>DeepSeek</category><category>API</category><category>大模型</category><category>人工智能</category><category>开发教程</category>
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      <title>端口与 Socket：网络编程的基本概念</title>
      <link>https://blog.shenqingci.com/blog/port-socket-network-programming-basics-2026</link>
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      <description>从端口号、四元组到 Socket API，详解 TCP/UDP 连接建立的完整流程、关键 Socket 选项与 epoll 多路复用机制，并用 ss/netstat/lsof 实战观察网络连接状态。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>计算机网络</category><category>Socket</category><category>TCP/IP</category><category>网络编程</category>
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      <title>HTTPS与TLS：加密通信的原理与握手过程</title>
      <link>https://blog.shenqingci.com/blog/https-tls-encryption-handshake-2026</link>
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      <description>从对称加密、非对称加密到数字证书，完整拆解TLS握手过程、证书信任链、HSTS与前向保密，看懂浏览器地址栏那把小锁背后的全套机制。</description>
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      <author>拾光</author>
      <category>计算机网络</category><category>HTTPS</category><category>TLS</category><category>网络安全</category><category>加密</category>
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      <title>AI 编程工具全景（2026）：Cursor、Claude Code、MAI-Code 与本地模型完整选型指南</title>
      <link>https://blog.shenqingci.com/blog/ai-coding-tools-complete-guide-2026</link>
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      <description>2026 年 AI 辅助编程工具深度解析：Cursor、Claude Code、GitHub Copilot、微软 MAI-Code 选型与搭配策略</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>AI编程</category><category>Claude Code</category><category>Cursor</category><category>GitHub Copilot</category><category>MAI-Code</category><category>开发工具</category><category>效率工具</category>
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      <link>https://blog.shenqingci.com/blog/java-enum-types-best-practices-2026</link>
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      <description>从常量定义的痛点出发，系统讲解 Java enum 的定义、内置方法、带字段构造、抽象方法、EnumSet/EnumMap，以及在实际项目中的最佳实践。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>Java</category><category>enum</category><category>枚举</category><category>Java基础</category><category>面向对象</category>
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      <title>HTTP协议详解：从HTTP/1.0、1.1到HTTP/2</title>
      <link>https://blog.shenqingci.com/blog/http-protocol-explained-http1-http2-2026</link>
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      <description>HTTP是互联网最广泛使用的应用层协议。本讲从报文格式、请求方法、状态码讲起，深入对比HTTP/1.0、HTTP/1.1与HTTP/2的核心区别，包括长连接、多路复用、HPACK头部压缩与服务器推送，配合curl实战演示。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>计算机网络</category><category>HTTP</category><category>HTTP/2</category><category>应用层协议</category>
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      <title>AI 视频生成工具完全指南（2026）：Sora 2、Veo 3.1、可灵 3.0 怎么选</title>
      <link>https://blog.shenqingci.com/blog/ai-video-generation-tools-guide-2026</link>
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      <category>AI视频生成</category><category>Sora</category><category>Veo</category><category>可灵</category><category>Runway</category><category>提示词工程</category>
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      <description>从字符类、量词、锚点到分组、贪婪懒惰，配实时正则测试器与「贪婪 vs 懒惰」并排对比，边读边改边看高亮，比死记符号表有效得多。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
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      <category>正则表达式</category><category>regex</category><category>前端</category><category>后端</category><category>知识</category>
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      <title>MCP（Model Context Protocol）完全使用指南（2026）：让 AI 助手连接一切</title>
      <link>https://blog.shenqingci.com/blog/mcp-model-context-protocol-complete-guide-2026</link>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>MCP</category><category>AI工具</category><category>Claude</category><category>Cursor</category><category>开发工具</category><category>教程</category>
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      <link>https://blog.shenqingci.com/blog/osi-tcp-ip-network-layering-model-2026</link>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>计算机网络</category><category>OSI模型</category><category>TCP/IP</category><category>网络分层</category><category>封装与解封装</category>
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      <link>https://blog.shenqingci.com/blog/chatgpt-session-token-safer-recharge</link>
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      <description>比起交出账号密码，提交 Session Token 是更安全的 ChatGPT Plus 代充方式。本文详解 Token 是什么、如何从浏览器提取、能被用来做什么，以及充值后如何立即使其失效保护账号安全。</description>
      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
      <author>拾光</author>
      <category>ChatGPT</category><category>AI</category><category>安全</category><category>教程</category>
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      <link>https://blog.shenqingci.com/blog/hash-algorithm-interactive-guide</link>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
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      <link>https://blog.shenqingci.com/blog/prompt-engineering-complete-guide</link>
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      <category>提示词</category><category>Prompt Engineering</category><category>AI技巧</category><category>ChatGPT</category>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
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      <category>AI效率</category><category>ChatGPT</category><category>Claude</category><category>工作效率</category><category>提示词</category>
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      <pubDate>Tue, 07 Jul 2026 07:06:51 GMT</pubDate>
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      <category>HTTP</category><category>Web</category><category>状态码</category><category>后端</category><category>知识</category>
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      <title>HashMap 详解：哈希表原理、扩容机制与线程安全问题</title>
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      <category>Java</category><category>HashMap</category><category>哈希表</category><category>集合框架</category><category>数据结构</category>
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      <title>安卓手机安装谷歌商店完全指南（2026）：全机型全版本教程</title>
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      <category>Android</category><category>Google Play</category><category>谷歌商店</category><category>教程</category><category>工具</category>
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