Hongyu Zhang 关于软件工程、投资与经济学的笔记，附多语言译文，以及 dowse、refuge 等开源工具。https://shuzhi.zone/zh-Hanshttps://shuzhi.zone/zh-hans/blog/position-sizing-dancing-with-drawdowns/https://shuzhi.zone/zh-hans/blog/position-sizing-dancing-with-drawdowns/仓位管理如何改善持有体验：用单只股票 20% 仓位上限降低回撤对总账户的冲击，用分批建仓给下跌留出预案，并用三条规矩防止补仓失控。Sun, 11 Oct 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/dowse-local-code-search-across-git-repositories/https://shuzhi.zone/zh-hans/blog/dowse-local-code-search-across-git-repositories/dowse 是一款免费开源的桌面与命令行代码搜索工具，无需部署服务端，即可用 GitHub 语法在本地所有 Git 仓库中即时检索代码。Sun, 27 Sep 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/the-nature-of-the-firm/https://shuzhi.zone/zh-hans/blog/the-nature-of-the-firm/R. H. Coase, Economica, November 1937 / 罗纳德·科斯，载《经济学》1937年11月号Fri, 25 Sep 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/the-senior-engineer-death-spiral/https://shuzhi.zone/zh-hans/blog/the-senior-engineer-death-spiral/on proving yourself, burning out, and being a good teammate / 论自我证明、职业倦怠以及成为一名好队友Sun, 20 Sep 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/refuge/https://shuzhi.zone/zh-hans/blog/refuge/我为什么做 refuge：不部署 Gitea、GitLab 这类私有 Git host，也能把 OneDrive 当作存储层，备份、恢复并跨设备使用自己的私人 Git 仓库。Fri, 18 Sep 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/buy-and-hold-life-insurance-stocks/https://shuzhi.zone/zh-hans/blog/buy-and-hold-life-insurance-stocks/记录对寿险股的阶段性思考：从寿险的业务模式与利润来源出发，看低利率与资管新规下分红险的负债端增长，以及寿险股可能迎来的戴维斯双击。Tue, 15 Sep 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/do-modern-dotnet-projects-need-comvisible/https://shuzhi.zone/zh-hans/blog/do-modern-dotnet-projects-need-comvisible/What the assembly-level ComVisible attribute controls, why older C# projects contain it, and when it still matters in .NET 10 and later.Thu, 10 Sep 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/devops-reading-list/https://shuzhi.zone/zh-hans/blog/devops-reading-list/A curated DevOps and CI engineering reading list: Prow and ChatOps references, GitHub Actions and agentic workflows, and .NET build and deployment docs.Wed, 15 Jul 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/stock-sell/https://shuzhi.zone/zh-hans/stock-sell/股票卖点计算器：基于目标股息率估算合理卖出价格，输入持仓股数与每股分红，即可查看不同卖出股数、不同目标股息率对应的卖点。Wed, 24 Jun 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/my-investment-strategy/https://shuzhi.zone/zh-hans/blog/my-investment-strategy/记录我在投资中的思考：只关注胜率和赔率两件事，在胜率无限接近百分百的基础上尽量提高赔率；持仓是目的，交易只是增加持仓的手段。Sat, 13 Jun 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/liquidation-values-and-debt-capacity-a-market-equilibrium-approach/https://shuzhi.zone/zh-hans/blog/liquidation-values-and-debt-capacity-a-market-equilibrium-approach/[中英对照] Shleifer 与 Vishny 1992 年的论文：从资产买家的角度解释清算价值的决定因素，以及资产非流动性如何影响企业的债务容量与资本结构。Sun, 17 May 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/feedback-loop-at-scale/https://shuzhi.zone/zh-hans/blog/feedback-loop-at-scale/A software engineering perspective on why build, test, and CI jointly determine the feedback loop of large-scale development.Sun, 29 Mar 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/data-driven-decision-making/https://shuzhi.zone/zh-hans/blog/data-driven-decision-making/如何通过 GSM 框架（Goals-Signals-Metrics）科学地构建业务测量体系，真正让数据为业务决策提供客观的指导与支撑。Sun, 22 Mar 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/d-sibs/https://shuzhi.zone/zh-hans/d-sibs/汇总中国人民银行发布的 2021—2025 年中国系统重要性银行名单，按附加监管要求分组展示，并追踪历年入选、分组调整及名单变化。Fri, 20 Feb 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/content-negotiation-between-browser-and-asp-net-core/https://shuzhi.zone/zh-hans/blog/content-negotiation-between-browser-and-asp-net-core/Why ASP.NET Core returns text/plain even though the browser's Accept header prefers application/json, and how to return JSON instead.Wed, 07 Jan 2026 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/using-a-git-bare-repository-to-backup-beancount-files-in-onedrive/https://shuzhi.zone/zh-hans/blog/using-a-git-bare-repository-to-backup-beancount-files-in-onedrive/How I back up a beancount bookkeeping project to OneDrive with a Git bare repository, keeping the virtualenv and temporary files out of the synced folder.Sat, 25 Oct 2025 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/how-to-fix-a-bug/https://shuzhi.zone/zh-hans/blog/how-to-fix-a-bug/The steps I follow when a bug report arrives: reproduce it, find the root cause, search for the same pattern elsewhere, and close the test gap.Wed, 22 Oct 2025 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/software-input-switching-for-the-lg28mq780-on-windows/https://shuzhi.zone/zh-hans/blog/software-input-switching-for-the-lg28mq780-on-windows/How to switch the LG 28MQ780 input with one keyboard shortcut on Windows, when OnScreen Control, Dual Controller and ControlMyMonitor all fall short.Thu, 31 Jul 2025 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/how-to-manage-local-files-in-a-shared-git-repository/https://shuzhi.zone/zh-hans/blog/how-to-manage-local-files-in-a-shared-git-repository/A guide to keep local files untracked in a shared git repository and prevent them from being deleted by git clean.Thu, 24 Jul 2025 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/separation-of-concerns/https://shuzhi.zone/zh-hans/blog/separation-of-concerns/关注点分离（Separation of Concerns）是什么，以及它如何落地：从网页的内容与样式分离，到分层架构与模块划分，用分离降低系统复杂度。Sat, 31 May 2025 00:00:00 GMThttps://shuzhi.zone/zh-hans/blog/how-to-migrate-from-unity-container-to-msdi-seamlessly/https://shuzhi.zone/zh-hans/blog/how-to-migrate-from-unity-container-to-msdi-seamlessly/A practical guide on smoothly transitioning a large codebase from Unity Container to Microsoft Dependency Injection.Thu, 01 Aug 2024 00:00:00 GMT