关于技术、阅读与日常的记录。https://macans.github.io/zh-CNhttps://macans.github.io/books/notes/thinking-fast-and-slow/https://macans.github.io/books/notes/thinking-fast-and-slow/笔记-思考快与慢Tue, 25 Jul 2023 16:00:00 GMT读书笔记https://macans.github.io/books/notes/principles/https://macans.github.io/books/notes/principles/笔记-原则Fri, 07 Jul 2023 16:00:00 GMT读书笔记https://macans.github.io/essays/paranoid-string/https://macans.github.io/essays/paranoid-string/Problem Statement B ParanoidString 01 可以替换为 1，10 可以替换为 0。给定一个二进制串，问经过若干次替换后长度是否能变为 1。Thu, 16 Jun 2022 16:00:00 GMT算法https://macans.github.io/books/notes/lean-analytics/https://macans.github.io/books/notes/lean-analytics/精益数据分析Sat, 12 Mar 2022 16:00:00 GMT读书笔记https://macans.github.io/essays/the-crown-season-one/https://macans.github.io/essays/the-crown-season-one/《王冠》(The Crown) 是 Netflix 从 2016 年开始播出的历史剧，主要讲述了伊丽莎白二世统治时期的传记故事，比较准确的还原了历史事实，制作水准也相当高，获得了金球、艾美在内的很多奖…Mon, 27 Dec 2021 16:00:00 GMT随笔https://macans.github.io/essays/you-are-what-you-write/https://macans.github.io/essays/you-are-what-you-write/我不能写就转载别人写的好文章。这是微软的沈向洋 2018 年发表在 LinkedIn 上的一篇文章，原文叫 You are what you write，下面是新智元在转载时的译文。 推特、PPT、F…Sun, 08 Aug 2021 16:00:00 GMT随笔https://macans.github.io/essays/karmic-payback/https://macans.github.io/essays/karmic-payback/什么是 karmic payback？周五看电梯调度的一篇文章发现了这个词，Google 查了一下好像还没有准确的翻译。payback 就是回报，karmic 是 karma 的形容词，karma 是…Fri, 06 Aug 2021 16:00:00 GMT随笔https://macans.github.io/essays/traveling-salesman/https://macans.github.io/essays/traveling-salesman/我们在之前讨论过 NP-hard 和 NP-complete 的关系，而旅行商问题(travel salesman problem, TSP)是最经典的 NP-hard 问题之一。 原题可以表述为：给…Tue, 03 Aug 2021 16:00:00 GMT算法https://macans.github.io/essays/the-20-minute-rule/https://macans.github.io/essays/the-20-minute-rule/很惭愧，没有学什么新东西。只是简单介绍一种职业成长中的学习方式，我个人也在践行中，这就是软件架构基础(Fundamentals of Software Architecture)这本书的最后一张提到的…Sat, 24 Jul 2021 16:00:00 GMT随笔https://macans.github.io/essays/p-and-np/https://macans.github.io/essays/p-and-np/什么是 P, NP, NP-Complete 和 NP-Hard。 首先，P 指的是一个判定问题(decision problem)能被确定性图灵机(deterministic Turing mach…Fri, 23 Jul 2021 16:00:00 GMT算法https://macans.github.io/books/notes/the-conquest-of-happiness/https://macans.github.io/books/notes/the-conquest-of-happiness/笔记-幸福之路Fri, 14 May 2021 16:00:00 GMT读书笔记https://macans.github.io/books/notes/red-star-over-china/https://macans.github.io/books/notes/red-star-over-china/西行漫记札记Sat, 06 Mar 2021 16:00:00 GMT读书笔记https://macans.github.io/books/notes/zen-and-motorcycle-maintenance/https://macans.github.io/books/notes/zen-and-motorcycle-maintenance/禅与摩托车维修艺术 笔记Tue, 19 Jan 2021 16:00:00 GMT读书笔记https://macans.github.io/essays/road-to-grandmaster/https://macans.github.io/essays/road-to-grandmaster/我们的目的一定要达到，我们的目的一定能够达到！Sat, 16 Jan 2021 16:00:00 GMT算法https://macans.github.io/books/notes/chuan-xi-lu/https://macans.github.io/books/notes/chuan-xi-lu/传习录注疏 笔记Fri, 01 Jan 2021 16:00:00 GMT读书笔记王阳明https://macans.github.io/books/notes/google-trilogy/https://macans.github.io/books/notes/google-trilogy/Google 三部曲 笔记Fri, 01 Jan 2021 16:00:00 GMT读书笔记https://macans.github.io/books/notes/refactoring/https://macans.github.io/books/notes/refactoring/RefactoringSat, 24 Nov 2018 16:00:00 GMT读书笔记https://macans.github.io/books/notes/effective-java/https://macans.github.io/books/notes/effective-java/Effective JavaThu, 01 Nov 2018 16:00:00 GMT读书笔记Javahttps://macans.github.io/essays/elevator-scheduling/https://macans.github.io/essays/elevator-scheduling/背景 - 对电梯调度发生兴趣的起源前公司在 2018 年对办公楼做过一次电梯系统改造，改造后的乘梯体验是：用户选择到达楼层，系统告知几号电梯被呼叫到。 电梯调度为什么复杂 先问是不是，再问为什么。操作…Mon, 22 Oct 2018 16:00:00 GMT算法https://macans.github.io/books/notes/how-to-read-a-book/https://macans.github.io/books/notes/how-to-read-a-book/怎样阅读一本书Sat, 18 Aug 2018 16:00:00 GMT读书笔记阅读方法论https://macans.github.io/essays/distributed-consensus/https://macans.github.io/essays/distributed-consensus/Two-Phase Commit 二阶段提交，分布式系统架构下保证所有节点在事务处理中保持原子性和一致性而设计的一种算法。一个事务跨越多个节点时，为了保证事物的ACID特性，需要引入一个作为Coord…Sat, 11 Aug 2018 16:00:00 GMT技术https://macans.github.io/essays/reviewing-leveldb/https://macans.github.io/essays/reviewing-leveldb/Reviewing LevelDB I. What is this all about LevelDB是 是Google开发的高速键值对存储库，提供有序的任意字符串之前的键值映射。 这是项目自身给出的…Fri, 11 May 2018 16:00:00 GMT技术LevelDBC/C++https://macans.github.io/essays/leveldb-source/https://macans.github.io/essays/leveldb-source/Condition Variable与Mutex的比较 Mutexes are low-level primitives used to coordinate concurrent access to…Sat, 06 Jan 2018 16:00:00 GMT技术分布式数据库https://macans.github.io/books/notes/shuang-xi-du-yu/https://macans.github.io/books/notes/shuang-xi-du-yu/双溪独语 札记Wed, 22 Nov 2017 16:00:00 GMT读书笔记钱穆https://macans.github.io/books/notes/dream-of-the-red-chamber/https://macans.github.io/books/notes/dream-of-the-red-chamber/红楼梦诗词选Wed, 12 Apr 2017 16:00:00 GMT读书笔记红楼梦https://macans.github.io/essays/connecting-universities/https://macans.github.io/essays/connecting-universities/链接 Codeforces 701E Connecting UniversitiesSat, 23 Jul 2016 16:00:00 GMT算法AlgorithmGreedy