<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:media="http://search.yahoo.com/mrss/"><channel><title>Nxdong&apos;s Blog</title><description>常无欲 以观其妙 常有欲 以观其徼</description><link>https://nxdong.com/</link><language>zh-CN</language><item><title>用 SSH ProxyJump 访问内网主机</title><link>https://nxdong.com/posts/ssh-proxyjump/</link><guid isPermaLink="true">https://nxdong.com/posts/ssh-proxyjump/</guid><description>使用 ssh -J 和 ~/.ssh/config 配置跳板机连接，覆盖多级跳转、端口映射、文件传输、安全边界与故障排查。</description><pubDate>Thu, 13 Aug 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/ssh-proxyjump.png" width="1200" height="630"/><category>ssh</category><category>proxyjump</category><category>linux</category></item><item><title>从零恢复我的终端开发环境：Ubuntu 24.04 与 macOS</title><link>https://nxdong.com/posts/ubuntu-macos-terminal-dev-environment/</link><guid isPermaLink="true">https://nxdong.com/posts/ubuntu-macos-terminal-dev-environment/</guid><description>按恢复顺序配置 Ghostty、Zsh、Yazi、现代命令行工具与 Node/Go/Rust 工具链，覆盖 Ubuntu 24.04 和 Apple Silicon Mac。</description><pubDate>Mon, 13 Jul 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/ubuntu-macos-terminal-dev-environment.png" width="1200" height="630"/><category>ubuntu</category><category>macos</category><category>terminal</category><category>zsh</category><category>workflow</category></item><item><title>声音的 22 种看法：从波形到时频域的可视化全家桶</title><link>https://nxdong.com/posts/sound-vis/</link><guid isPermaLink="true">https://nxdong.com/posts/sound-vis/</guid><description>声音是一维信号（声压随时间），却能被映射成 20+ 种二维 / 三维可视化 —— 每一种回答的问题都不同。本文按时域、频域、时频域、心理声学、音乐结构、立体声、进阶 7 组，铺开 22 种声音可视化方案，标明各自适合什么场景。配套交互式 lab 持续补齐。</description><pubDate>Tue, 23 Jun 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/sound-vis.png" width="1200" height="630"/><category>audio</category><category>visualization</category><category>dsp</category><category>web-audio</category><category>music-information-retrieval</category></item><item><title>Python 3.15 Tachyon：1MHz 采样、零开销 attach 到生产进程</title><link>https://nxdong.com/posts/python-315-tachyon-profiler/</link><guid isPermaLink="true">https://nxdong.com/posts/python-315-tachyon-profiler/</guid><description>Python 3.15（PEP 799）引入了 Tachyon — 一个最高 1,000,000 Hz 的统计采样 profiler，可以直接 attach 到正在运行的 Python 进程，对被测程序近乎零开销。本文按 3.15.0 实测 CLI 把 Tachyon 跑一遍：run / attach / dump / replay 四种入口，wall / cpu / gil / exception 四种 mode，pstats / collapsed / flamegraph / gecko / heatmap / jsonl / binary / diff-flamegraph 八种输出 + 顶层 TUI，并和 cProfile / py-spy 做对比。</description><pubDate>Mon, 15 Jun 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/python-315-tachyon-profiler.png" width="1200" height="630"/><category>python</category><category>profiling</category><category>performance</category><category>tachyon</category><category>pep-799</category></item><item><title>计算机里的时间 —— 延迟、时钟、表示、感知</title><link>https://nxdong.com/posts/computer-time-concepts/</link><guid isPermaLink="true">https://nxdong.com/posts/computer-time-concepts/</guid><description>工程师每天跟 4 种不同的「时间」打交道：延迟（等多久）、时钟（现在几点）、表示（怎么存怎么传）、感知（用户感觉到多慢）。每个都有自己的语义和坑。一篇文章覆盖完，从纳秒到秒、从 Jeff Dean 延迟表到 leap second、从 wall clock 到 Lamport 时间戳。</description><pubDate>Tue, 09 Jun 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/computer-time-concepts.png" width="1200" height="630"/><category>systems</category><category>performance</category><category>latency</category><category>clock</category><category>distributed</category></item><item><title>Linux 时钟内幕：vDSO、clocksource 与 6 种 CLOCK_* 的代价</title><link>https://nxdong.com/posts/linux-vdso-clock-gettime/</link><guid isPermaLink="true">https://nxdong.com/posts/linux-vdso-clock-gettime/</guid><description>clock_gettime(CLOCK_MONOTONIC) 在现代 Linux 上 ~25ns，比一次 syscall 快 20 倍。它怎么做到的？答案是 vDSO —— 内核映射到用户态的代码包。本文从 vDSO 机制讲起，串起 Linux 时钟子系统的关键组件，对照 9 种 CLOCK_* 的实际代价，所有 C 代码可直接编译运行。</description><pubDate>Tue, 09 Jun 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/linux-vdso-clock-gettime.png" width="1200" height="630"/><category>linux</category><category>vdso</category><category>clock</category><category>performance</category><category>systems</category></item><item><title>git worktree：多分支并行的标准答案，AI Agent 时代的基础设施</title><link>https://nxdong.com/posts/git-worktree-and-ai-agent-sandbox/</link><guid isPermaLink="true">https://nxdong.com/posts/git-worktree-and-ai-agent-sandbox/</guid><description>git worktree 不是小众功能，是「多个并行问题同时存在」的标准答案。本文讲它的工作模型、5 个常用命令、3 个真实场景，以及 Claude Code / Codex 时代它如何成为 agent 的隔离沙箱。</description><pubDate>Wed, 03 Jun 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/git-worktree-and-ai-agent-sandbox.png" width="1200" height="630"/><category>git</category><category>worktree</category><category>claude-code</category><category>workflow</category></item><item><title>Karpathy 的 4 条 LLM 编码守则与 CLAUDE.md 工程学</title><link>https://nxdong.com/posts/karpathy-skills-overview/</link><guid isPermaLink="true">https://nxdong.com/posts/karpathy-skills-overview/</guid><description>multica-ai/andrej-karpathy-skills 把 Karpathy 关于 LLM 编码缺陷的吐槽，浓缩成 80 行 CLAUDE.md。本文复述这 4 条原则，并讨论为什么这种『极简显式约束 + 可验证循环』模型有效。</description><pubDate>Fri, 22 May 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/karpathy-skills-overview.png" width="1200" height="630"/><category>claude-code</category><category>skill</category><category>karpathy</category></item><item><title>《Code as Agent Harness》论文精读：把代码当作 Agent 的工装</title><link>https://nxdong.com/posts/code-as-agent-harness/</link><guid isPermaLink="true">https://nxdong.com/posts/code-as-agent-harness/</guid><description>伊利诺伊大学领衔的 arXiv:2605.18747 综述精读。把代码看成 agent 的可执行、可检查、有状态的工装（harness）—— 围绕接口层、机制层、规模化三层框架，捕捉 PEV 循环、Agentic Harness Engineering、共享代码工装等关键论点，覆盖编码助手、GUI/OS、具身智能、科学发现等应用与七个开放问题。</description><pubDate>Tue, 19 May 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/code-as-agent-harness.png" width="1200" height="630"/><category>AI</category><category>agent</category><category>paper</category><category>survey</category><category>LLM</category></item><item><title>让英文 Claude Skill 输出中文</title><link>https://nxdong.com/posts/claude-skill-chinese-output/</link><guid isPermaLink="true">https://nxdong.com/posts/claude-skill-chinese-output/</guid><description>用英文 skill 时 Claude 仍以英文回复，原因与基于 CLAUDE.md 的解决方案。</description><pubDate>Wed, 13 May 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/claude-skill-chinese-output.png" width="1200" height="630"/><category>claude-code</category><category>skill</category></item><item><title>gstack 速览：把 Claude Code 变成一支工程团队，顺手接上 Hermes</title><link>https://nxdong.com/posts/gstack-overview/</link><guid isPermaLink="true">https://nxdong.com/posts/gstack-overview/</guid><description>Garry Tan 开源的 gstack —— 一整套 slash command skills，把 Claude Code 包装成 CEO、设计师、Reviewer、QA、SRE 等二十多个角色。本文聚焦 Claude Code 与 Hermes 两种 host 的使用方式。</description><pubDate>Wed, 13 May 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/gstack-overview.png" width="1200" height="630"/><category>claude-code</category><category>skill</category><category>hermes</category></item><item><title>mattpocock/skills 速览：让 Claude Code 真正搞工程</title><link>https://nxdong.com/posts/mattpocock-skills-overview/</link><guid isPermaLink="true">https://nxdong.com/posts/mattpocock-skills-overview/</guid><description>Matt Pocock 整理的 Claude Code skills 仓库速览：解决 AI 编码常见失败模式的实用工具，按场景分类介绍。</description><pubDate>Wed, 13 May 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/mattpocock-skills-overview.png" width="1200" height="630"/><category>claude-code</category><category>skill</category></item><item><title>博客功能速查：Markdown 写作参考</title><link>https://nxdong.com/posts/blog-features-reference/</link><guid isPermaLink="true">https://nxdong.com/posts/blog-features-reference/</guid><description>本站支持的全部 Markdown 与扩展语法的活样本，写作时可拷贝对照。</description><pubDate>Sat, 09 May 2026 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/blog-features-reference.png" width="1200" height="630"/><category>参考</category><category>markdown</category></item><item><title>redis stream 消费者组</title><link>https://nxdong.com/posts/redis-stream/</link><guid isPermaLink="true">https://nxdong.com/posts/redis-stream/</guid><description>redis 消费者组 python 使用</description><pubDate>Sun, 25 Dec 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/redis-stream.png" width="1200" height="630"/><category>redis</category><category>stream</category></item><item><title>[译]linux io_uring 手册</title><link>https://nxdong.com/posts/linux-io_uring-man/</link><guid isPermaLink="true">https://nxdong.com/posts/linux-io_uring-man/</guid><description>io_uring 手册</description><pubDate>Sat, 05 Nov 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/linux-io_uring-man.png" width="1200" height="630"/><category>io_uring</category></item><item><title>linux coredump 的设置与读取</title><link>https://nxdong.com/posts/linux-coredump/</link><guid isPermaLink="true">https://nxdong.com/posts/linux-coredump/</guid><description>开启coredump并调试</description><pubDate>Wed, 26 Oct 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/linux-coredump.png" width="1200" height="630"/><category>coredump</category></item><item><title>wsl2编译升级linux内核</title><link>https://nxdong.com/posts/wsl-update-kernel/</link><guid isPermaLink="true">https://nxdong.com/posts/wsl-update-kernel/</guid><description>手动编译wsl2的linux内核，并且升级替换</description><pubDate>Fri, 21 Oct 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/wsl-update-kernel.png" width="1200" height="630"/><category>wsl2</category></item><item><title>Linux 跨线程与跨进程的原子操作</title><link>https://nxdong.com/posts/linux-atomic/</link><guid isPermaLink="true">https://nxdong.com/posts/linux-atomic/</guid><description>Linux 跨线程与跨进程的原子操作</description><pubDate>Mon, 17 Oct 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/linux-atomic.png" width="1200" height="630"/><category>atomic</category></item><item><title>python contextvars 用法</title><link>https://nxdong.com/posts/python-contextvars/</link><guid isPermaLink="true">https://nxdong.com/posts/python-contextvars/</guid><description>python contextvars test</description><pubDate>Sun, 09 Oct 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/python-contextvars.png" width="1200" height="630"/><category>contextvars</category></item><item><title>[译] Efficient IO with io_uring</title><link>https://nxdong.com/posts/linux-io_uring/</link><guid isPermaLink="true">https://nxdong.com/posts/linux-io_uring/</guid><description>使用io_uring进行高效IO</description><pubDate>Wed, 05 Oct 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/linux-io_uring.png" width="1200" height="630"/><category>linux</category><category>io_uring</category></item><item><title>编译期内存序</title><link>https://nxdong.com/posts/linux-memory-barrier/</link><guid isPermaLink="true">https://nxdong.com/posts/linux-memory-barrier/</guid><description>编译期内存序</description><pubDate>Sun, 28 Aug 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/linux-memory-barrier.png" width="1200" height="630"/><category>翻译</category></item><item><title>文件空洞 File Holes</title><link>https://nxdong.com/posts/linux-filehole/</link><guid isPermaLink="true">https://nxdong.com/posts/linux-filehole/</guid><description>文件空洞</description><pubDate>Tue, 23 Aug 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/linux-filehole.png" width="1200" height="630"/><category>linux</category></item><item><title>打印c++类型信息</title><link>https://nxdong.com/posts/cpp-print-type-info/</link><guid isPermaLink="true">https://nxdong.com/posts/cpp-print-type-info/</guid><description>打印c++类型信息</description><pubDate>Wed, 10 Aug 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/cpp-print-type-info.png" width="1200" height="630"/><category>cpp</category></item><item><title>函数返回数组引用</title><link>https://nxdong.com/posts/cpp-return-array-ref/</link><guid isPermaLink="true">https://nxdong.com/posts/cpp-return-array-ref/</guid><description>函数返回数组引用</description><pubDate>Wed, 10 Aug 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/cpp-return-array-ref.png" width="1200" height="630"/><category>cpp</category></item><item><title>c++17 Class Template Argument Deduction（CTAD）</title><link>https://nxdong.com/posts/cpp-ctad/</link><guid isPermaLink="true">https://nxdong.com/posts/cpp-ctad/</guid><description>C++17 How to Use Class Template Argument Deduction 部分学习和翻译</description><pubDate>Sun, 07 Aug 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/cpp-ctad.png" width="1200" height="630"/><category>cpp</category></item><item><title>C 正则表达式</title><link>https://nxdong.com/posts/c-regex/</link><guid isPermaLink="true">https://nxdong.com/posts/c-regex/</guid><description>C 正则表达式参考</description><pubDate>Wed, 03 Aug 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/c-regex.png" width="1200" height="630"/><category>regex</category></item><item><title>Adobe Illustrator 常用操作</title><link>https://nxdong.com/posts/adobeai-learn/</link><guid isPermaLink="true">https://nxdong.com/posts/adobeai-learn/</guid><description>Adobe Illustrator 常用界面与快捷操作。</description><pubDate>Sat, 30 Jul 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/adobeai-learn.png" width="1200" height="630"/><category>Adobe Illustrator</category></item><item><title>C union 关键字</title><link>https://nxdong.com/posts/cpp-union/</link><guid isPermaLink="true">https://nxdong.com/posts/cpp-union/</guid><description>C union 关键字</description><pubDate>Sat, 30 Jul 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/cpp-union.png" width="1200" height="630"/><category>cpp</category></item><item><title>linux LD_DEBUG 调试动态库加载</title><link>https://nxdong.com/posts/linux-ld_debug/</link><guid isPermaLink="true">https://nxdong.com/posts/linux-ld_debug/</guid><description>调试动态库加载</description><pubDate>Fri, 29 Jul 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/linux-ld_debug.png" width="1200" height="630"/><category>linux</category></item><item><title>c++ 单例模式收集</title><link>https://nxdong.com/posts/cpp-singleton/</link><guid isPermaLink="true">https://nxdong.com/posts/cpp-singleton/</guid><description>单例模式的n种写法</description><pubDate>Sun, 24 Jul 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/cpp-singleton.png" width="1200" height="630"/><category>cpp</category></item><item><title>C++ 对象模型</title><link>https://nxdong.com/posts/cpp-object-model/</link><guid isPermaLink="true">https://nxdong.com/posts/cpp-object-model/</guid><description>c++的对象模型,clang13版本</description><pubDate>Sat, 23 Jul 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/cpp-object-model.png" width="1200" height="630"/><category>cpp</category></item><item><title>CUDA  显存IPC (Python版)</title><link>https://nxdong.com/posts/cuda-%E6%98%BE%E5%AD%98ipc-python/</link><guid isPermaLink="true">https://nxdong.com/posts/cuda-%E6%98%BE%E5%AD%98ipc-python/</guid><description>跨进程访问同一块显存</description><pubDate>Sat, 23 Jul 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/cuda-%E6%98%BE%E5%AD%98ipc-python.png" width="1200" height="630"/><category>cuda</category></item><item><title>Rust Vec&lt;_&gt; 的作用与用法</title><link>https://nxdong.com/posts/rust-%E6%A8%A1%E7%89%88%E7%B1%BB%E5%9E%8B%E7%9C%81%E7%95%A5/</link><guid isPermaLink="true">https://nxdong.com/posts/rust-%E6%A8%A1%E7%89%88%E7%B1%BB%E5%9E%8B%E7%9C%81%E7%95%A5/</guid><description>通过 Vec&lt;_&gt; 让 Rust 编译器推断集合元素类型。</description><pubDate>Sun, 17 Jul 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/rust-%E6%A8%A1%E7%89%88%E7%B1%BB%E5%9E%8B%E7%9C%81%E7%95%A5.png" width="1200" height="630"/><category>Rust</category></item><item><title>Blog Webhook 自动发布</title><link>https://nxdong.com/posts/blog-webhook%E8%87%AA%E5%8A%A8%E5%8F%91%E5%B8%83/</link><guid isPermaLink="true">https://nxdong.com/posts/blog-webhook%E8%87%AA%E5%8A%A8%E5%8F%91%E5%B8%83/</guid><description>使用 Gitee Webhook、FastAPI 与 Zola 自动构建并发布博客。</description><pubDate>Sat, 16 Jul 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/blog-webhook%E8%87%AA%E5%8A%A8%E5%8F%91%E5%B8%83.png" width="1200" height="630"/></item><item><title>博文编写参考</title><link>https://nxdong.com/posts/first/</link><guid isPermaLink="true">https://nxdong.com/posts/first/</guid><description>收集常用模块,用于复制粘贴.</description><pubDate>Sat, 02 Jul 2022 00:00:00 GMT</pubDate><media:thumbnail url="https://nxdong.com/og/first.png" width="1200" height="630"/></item></channel></rss>