黄闻天的技术笔记https://blog.finaltheory.me/Tue, 15 Sep 2026 18:54:20 +0800AI时代程序员的核心竞争力是反驳型人格https://blog.finaltheory.me/thinking/contrarian-eng.html<p>虽然生成代码的成本已经大幅降低，但让代码值得信任的工程师判断依然很贵。</p>FinalTheoryMon, 24 Aug 2026 00:00:00 +0800tag:blog.finaltheory.me,2026-08-24:/thinking/contrarian-eng.htmlThinkingAILLMSDEBackend职场gap两年后：我重新理解了什么是自由https://blog.finaltheory.me/thinking/gap-years.html<p><img src="/images/2026/gap.jpg" style="zoom:33%;"/></p> <h2 id="df368884">前言</h2> <p>我经常刷到一些 gap …</p>FinalTheorySun, 09 Aug 2026 00:00:00 +0800tag:blog.finaltheory.me,2026-08-09:/thinking/gap-years.htmlThinkingAIGap YearAI 时代如何彻底击碎系统设计面试https://blog.finaltheory.me/thinking/system-design.html<p><img src="/images/2026/sd.jpg" style="zoom:33%;"/></p> <p><strong>TL;DR</strong>：不要把系统设计题 …</p>FinalTheoryMon, 01 Jun 2026 00:00:00 +0800tag:blog.finaltheory.me,2026-06-01:/thinking/system-design.htmlThinkingAILLMSystem Design深入理解 Raft 线性一致性读https://blog.finaltheory.me/research/linearizability.html<h2 id="df368884">前言</h2> <p><img src="/images/2026/linearizability.jpg" style="zoom:50%;"/></p> <p>作为在 AWS 搬砖多年 …</p>FinalTheoryMon, 18 May 2026 00:00:00 +0800tag:blog.finaltheory.me,2026-05-18:/research/linearizability.htmlResearchMIT6.5840RaftLinearizabilityUnderstanding Raft Linearizable Read from First Principlehttps://blog.finaltheory.me/en/research/linearizability.html<h2 id="0b79795d">Introduction</h2> <p><img src="/images/2026/linearizability.jpg" style="zoom:50%;"/></p> <p>As a backend engineer who has spent many years …</p>FinalTheoryMon, 18 May 2026 00:00:00 +0800tag:blog.finaltheory.me,2026-05-18:/en/research/linearizability.htmlResearchMIT6.5840RaftLinearizability古法编程：从共识算法到分片数据库再到分布式事务https://blog.finaltheory.me/research/txn.html<h2 id="df368884">前言</h2> <blockquote> <p>古法编程，匠心手写 …</p></blockquote>FinalTheorySat, 04 Apr 2026 00:00:00 +0800tag:blog.finaltheory.me,2026-04-04:/research/txn.htmlResearchMIT6.5840Raft2PCTransactionOld-School Programming: From Consensus Algorithm to Sharded Database to Distributed Transactionhttps://blog.finaltheory.me/en/research/txn.html<h2 id="5cf06822">Preface</h2> <blockquote> <p>Old-school programming, handcrafted with care<br/> No shortcuts taken, no …</p></blockquote>FinalTheorySat, 04 Apr 2026 00:00:00 +0800tag:blog.finaltheory.me,2026-04-04:/en/research/txn.htmlResearchMIT6.5840Raft2PCTransactionInfra as Code：工程银弹还是乌托邦幻想https://blog.finaltheory.me/research/infra-as-code.html<p>当基础设施开始承载系统行为并走向失控，事务语义不过是程序猿猝死前的临终美梦</p>FinalTheoryMon, 16 Mar 2026 00:00:00 +0800tag:blog.finaltheory.me,2026-03-16:/research/infra-as-code.htmlResearchCloudFormationAWSInfra as CodeInfra as Code: Solution or Part of the Problemhttps://blog.finaltheory.me/en/research/infra-as-code.html<h3 id="c19753a0">Raising the question</h3> <p><img src="/images/2026/infra.jpg" style="zoom:40%;"/></p> <p>In recent years, a serverless style of …</p>FinalTheoryMon, 16 Mar 2026 00:00:00 +0800tag:blog.finaltheory.me,2026-03-16:/en/research/infra-as-code.htmlResearchCloudFormationAWSInfra as Code越过阈值之后：滑雪运动的「大过滤器」现象https://blog.finaltheory.me/thinking/snowboarding-big-filter.html<p>宇宙中类地行星数量极 …</p>FinalTheorySat, 10 Jan 2026 00:00:00 +0800tag:blog.finaltheory.me,2026-01-10:/thinking/snowboarding-big-filter.htmlThinkingSnowboardingfreeride雪线之上The「Great Filter」Phenomenon in 🏂https://blog.finaltheory.me/en/thinking/snowboarding-big-filter.html<p>There are an enormous number of Earth-like planets in the …</p>FinalTheorySat, 10 Jan 2026 00:00:00 +0800tag:blog.finaltheory.me,2026-01-10:/en/thinking/snowboarding-big-filter.htmlThinkingSnowboardingfreerideAbove the snowlineCMU15445数据库系统通关指南https://blog.finaltheory.me/research/CMU15445.html<h2 id="df368884">前言</h2> <h3 id="d996456a">关于Vibe Coding</h3> <p>其实动手 …</p>FinalTheoryWed, 31 Dec 2025 00:00:00 +0800tag:blog.finaltheory.me,2025-12-31:/research/CMU15445.htmlResearchDatabaseCMU15445CMU15445 Database Systems: A Completion Guidehttps://blog.finaltheory.me/en/research/CMU15445.html<h2 id="5cf06822">Preface</h2> <p>I decided to actually sit down and do these …</p>FinalTheoryWed, 31 Dec 2025 00:00:00 +0800tag:blog.finaltheory.me,2025-12-31:/en/research/CMU15445.htmlResearchDatabaseCMU15445保持滑雪热情的一个好办法是只滑值钱的粉雪https://blog.finaltheory.me/thinking/ride-powder-only.html<p>一说到粉雪，很多人都会 …</p>FinalTheoryMon, 29 Dec 2025 00:00:00 +0800tag:blog.finaltheory.me,2025-12-29:/thinking/ride-powder-only.htmlThinkingSnowboardingfreeride雪线之上Save Your Turns for Worthy Powderhttps://blog.finaltheory.me/en/thinking/ride-powder-only.html<p>When it comes to powder, many people fall into a …</p>FinalTheoryMon, 29 Dec 2025 00:00:00 +0800tag:blog.finaltheory.me,2025-12-29:/en/thinking/ride-powder-only.htmlThinkingSnowboardingfreerideAbove the snowline绝大多数潜水员不知道的Shearwater最值钱功能https://blog.finaltheory.me/research/shearwater.html<p>近年来shearwater这个🇨🇦小厂牌子基本 …</p>FinalTheoryThu, 06 Nov 2025 00:00:00 +0800tag:blog.finaltheory.me,2025-11-06:/research/shearwater.htmlResearchShearwaterTechDivePytest黑魔法之动态重载test casehttps://blog.finaltheory.me/research/pytest.html<h3 id="df368884">前言</h3> <p>首先介绍一下背景 …</p>FinalTheoryMon, 27 Jan 2025 00:00:00 +0800tag:blog.finaltheory.me,2025-01-27:/research/pytest.htmlResearchPythonpytestPytest Black Magic: Dynamically Reloading Test Caseshttps://blog.finaltheory.me/en/research/pytest.html<h3 id="5cf06822">Preface</h3> <p>Let me start with some background. Our team’s …</p>FinalTheoryMon, 27 Jan 2025 00:00:00 +0800tag:blog.finaltheory.me,2025-01-27:/en/research/pytest.htmlResearchPythonpytest惠斯勒天气预报深度指南https://blog.finaltheory.me/research/whistler-weather-forecast.html<p>TL;DR：无脑追随Whistler区域的天气预报专家@powderpicker的短期雪况预报，一般 …</p>FinalTheorySat, 11 Jan 2025 00:00:00 +0800tag:blog.finaltheory.me,2025-01-11:/research/whistler-weather-forecast.htmlResearchSnowboardingfreeride雪线之上An In-Depth Guide to Whistler Weather Forecastshttps://blog.finaltheory.me/en/research/whistler-weather-forecast.html<p>TL;DR: blindly follow the short-term snow-conditions forecasts from Whistler-area …</p>FinalTheorySat, 11 Jan 2025 00:00:00 +0800tag:blog.finaltheory.me,2025-01-11:/en/research/whistler-weather-forecast.htmlResearchWeather ForecastAbove the snowline