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Debian 系统中，可以通过简单的命令安装所需的依赖包，确保工具链的顺利搭建。","\u002Ffiddling\u002Fspike-install",{"text":69,"minutes":343,"time":344,"words":345},3.005,180300,601,[64,124,179,347,348],"spike","riscv-pk","RISC-V 工具链与模拟器（emulator）的安装",{"categories":351,"date":352,"description":353,"image":9,"path":354,"readingTime":355,"recommend":9,"tags":360,"title":364,"type":19},[64],"2024-06-23 15:31:32","GFW 的运作机制并非简单的出口网关监控，而是通过旁路监听技术对国际流量进行审查。这种方式使得所有出入境的 IP 包都被复制到 GFW 集群，进行深度分析和过滤。了解这一点，对于研究翻墙方法至关重要，因为它揭示了封锁的具体路径和技术手段。深入探讨 GFW 的网络拓扑，有助于更有效地应对和规避网络审查。","\u002Ffiddling\u002Ftech-about-gfw",{"text":356,"minutes":357,"time":358,"words":359},"25 min read",24.18,1450800,4836,[64,361,362,363],"防火墙","国际互联网","梯子","GFW 原理考",{"categories":366,"date":367,"description":368,"image":9,"path":369,"readingTime":370,"recommend":9,"tags":374,"title":376,"type":19},[64],"2022-04-16 00:01:28","在 Java 中，使用 `this` 关键字时，编译器对常量的优化可能会失效。代码示例中，尽管 `ab1` 和 `ab2` 看似引用了相同的 `final` 静态变量 `s`，但在比较时却产生了不同的结果。`ab1` 通过直接引用静态变量进行字符串连接，而 `ab2` 则是通过 `this` 关键字，导致编译器无法进行相同的常量传播优化，从而影响了字符串的比较结果。这一现象揭示了在 Java 中细微的语法差异可能引发的编译行为变化。","\u002Ffiddling\u002Fthis-in-javac-string-concat",{"text":187,"minutes":371,"time":372,"words":373},3.735,224100,747,[64,375],"java","Java 中 this 关键字导致编译期常量传播优化失效的问题",{"categories":378,"date":379,"description":380,"image":9,"path":381,"readingTime":382,"recommend":9,"tags":387,"title":391,"type":19},[64],"2025-01-29 21:58:00","在构建动态博客时，添加说说功能能显著提升用户体验。相比静态博客的繁琐流程，这种功能允许用户随时随地分享短小的想法，降低了发文的心理负担。通过利用 CloudFlare Workers 实现后端逻辑，并结合 KV 存储，开发者能够轻松管理说说内容。前端则通过 VitePress 框架和 Vue 组件的嵌入，快捷地展示这些动态信息，为博客增添了生动的交互性。","\u002Ffiddling\u002Fvitepress-memos-component",{"text":383,"minutes":384,"time":385,"words":386},"23 min read",22.65,1359000,4530,[64,388,389,390],"VitePress","Memos","CloudFlare","在 VitePress 中实现一个动态说说功能",{"categories":393,"date":394,"description":395,"image":9,"path":396,"readingTime":397,"recommend":9,"tags":401,"title":403,"type":19},[64],"2025-03-15 16:24:00","在一个平常的下午，Telegram 推送消息引发了对一个新套餐的热情，电信 CN2 直连、2.5G 带宽的优惠让人兴奋不已。这个套餐自带 IPv6，适合解锁流媒体，但仍需谨慎使用，毕竟并不是所有流量都需要通过 Warp 来处理。先前使用的脚本虽然方便，但在速度和流量分配上存在不足，显然需要寻找更灵活的解决方案。","\u002Ffiddling\u002Fvps-warp-ipv6",{"text":187,"minutes":398,"time":399,"words":400},3.48,208800,696,[64,139,402,263],"warp","VPS 套 Warp 分流指定出口 IPv6",{"categories":405,"date":407,"description":408,"image":9,"path":409,"readingTime":410,"recommend":9,"tags":414,"title":418,"type":19},[406],"笔记","2022-01-20 22:29:00","实验一的目标是实现一个 MapReduce 系统，分为 master 和 worker 两个核心部分。这个过程对 golang 的 RPC 和并发编程要求较高，同时需要深入理解 MapReduce 的流程。实验经历了两个版本的实现，从基于 mutex 锁的版本到更优雅的基于 channel 的无锁版本，后者的设计更加简洁明了。理解实验的关键在于认真阅读相关文档，特别是其中的流程图和说明。","\u002Fnotes\u002F65840\u002Fmapreducelab",{"text":244,"minutes":411,"time":412,"words":413},11.29,677400,2258,[415,416,417],"mapreduce","6.5840","6.824","6.5840 实验一 —— MapReduce",{"categories":420,"date":421,"description":422,"image":9,"path":423,"readingTime":424,"recommend":9,"tags":428,"title":429,"type":19},[406],"2022-01-16 17:32:00","MapReduce 是一种高效的并行计算模型，旨在简化大规模数据集的处理。通过定义 Map 和 Reduce 两个关键函数，用户能轻松地将复杂任务分解为简单的操作。该模型的架构能够自动管理数据分发和任务调度，使得开发者可以专注于算法本身，而无需过多关注底层细节。这种方法在分布式系统中的广泛应用，展现了其强大的灵活性和实用性。","\u002Fnotes\u002F65840\u002Fmapreducepaper",{"text":303,"minutes":425,"time":426,"words":427},7.325,439500,1465,[415,416,417],"MapReduce 论文阅读",{"categories":431,"date":432,"description":433,"image":9,"path":434,"readingTime":435,"recommend":9,"tags":440,"title":442,"type":19},[406],"2022-12-16 02:06:10","实验 2a 专注于实现 Raft 算法中的 Leader 选举和心跳机制，旨在确保在各种极端情况下的正常换届和选举。这一实验是后续分布式KV存储实现的基础，包含了四个步骤，通过无锁版本的设计简化了 Raft 结构体的复杂性。实验指导书提供了必要的背景资料，但与前一实验相比，本次几乎不依赖参考资料，强调了独立实现的重要性。","\u002Fnotes\u002F65840\u002Fraftlab2a",{"text":436,"minutes":437,"time":438,"words":439},"18 min read",17.75,1065000,3550,[441,416,417],"raft","6.5840 实验 2a —— Leader 选举",{"categories":444,"date":445,"description":446,"image":9,"path":447,"readingTime":448,"recommend":9,"tags":453,"title":454,"type":19},[406],"2022-12-03 21:40:09","Raft 是一种旨在提高日志复制效率的共识算法，特别适用于多机集群环境，确保在部分机器故障时仍能提供服务。这种算法通过复制状态机模型实现，利用日志记录指令顺序，使得集群各机器能够达到一致的状态。论文《In Search of an Understandable Consensus Algorithm》深入探讨了 Raft 的设计理念和与 Paxos 的对比，突显了其易于理解的特点，为构建可靠的大规模软件系统提供了基础。本文记录了对该论文的阅读笔记，旨在帮助理解其核心概念与应用。","\u002Fnotes\u002F65840\u002Freftextendedpaper",{"text":449,"minutes":450,"time":451,"words":452},"29 min read",28.5,1710000,5700,[441,416,417],"Raft 论文阅读",{"categories":456,"date":458,"description":459,"image":9,"path":460,"readingTime":461,"recommend":9,"tags":466,"title":468,"type":19},[457],"项目","2021-11-27 14:43:00","MYDB 项目是一个旨在探索和实现数据库基本原理的个人作品，经历了大半个月的努力，在闲暇时间逐步完成。我在学校学习数据库系统的过程中，积累了一些基础知识，尽管在实习期间更多是借机“摸鱼”。在面试时的坦诚回答虽未造成太大影响，但也促使他重新审视数据库的知识，决定主动学习和实践，从而推动了这个项目的诞生。","\u002Fprojects\u002Fmydb\u002Fmydb0",{"text":462,"minutes":463,"time":464,"words":465},"7 min read",6.47,388200,1294,[375,467],"mydb","MYDB 0. 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