书海中的足迹https://sora.elibinary.online/https://sora.elibinary.online/posts/project-hail-mary-reading-start/https://sora.elibinary.online/posts/project-hail-mary-reading-start/从看完电影到翻开原著，《挽救计划》让我找回了一种很久没有体验过的阅读感觉：一边读故事，一边被迫重新活动脑子。Sat, 18 Apr 2026 02:00:00 GMThttps://sora.elibinary.online/posts/building-agent-harness-12-steps/https://sora.elibinary.online/posts/building-agent-harness-12-steps/从 0 到 1 拆解 Claude Code 的 12 层架构演进，每步只加一个机制，理解 Agent Harness 工程的核心设计模式。Sun, 22 Mar 2026 14:00:00 GMThttps://sora.elibinary.online/posts/astro-paper-v5/https://sora.elibinary.online/posts/astro-paper-v5/AstroPaper v5: keep the clean look, updates under the hood.Sat, 08 Mar 2025 08:18:19 GMThttps://sora.elibinary.online/posts/astro-paper-v4/https://sora.elibinary.online/posts/astro-paper-v4/AstroPaper v4: ensuring a smoother and more feature-rich blogging experience.Thu, 04 Jan 2024 09:30:41 GMThttps://sora.elibinary.online/posts/astro-paper-v3/https://sora.elibinary.online/posts/astro-paper-v3/AstroPaper Version 3: Elevating Your Web Experience with Astro v3 and Seamless View TransitionsMon, 25 Sep 2023 10:25:54 GMThttps://sora.elibinary.online/posts/astro-paper-2/https://sora.elibinary.online/posts/astro-paper-2/AstroPaper with the enhancements of Astro v2. Type-safe markdown contents, bug fixes and better dev experience etc.Mon, 30 Jan 2023 15:57:52 GMThttps://sora.elibinary.online/posts/xxvi-ruby-class-structure/https://sora.elibinary.online/posts/xxvi-ruby-class-structure/每个 Ruby 对象都是类指针和实例变量数组的组合Tue, 30 May 2017 07:10:06 GMThttps://sora.elibinary.online/posts/xxv-ruby-object-structure/https://sora.elibinary.online/posts/xxv-ruby-object-structure/每个 Ruby 对象都是类指针和实例变量数组的组合Sun, 21 May 2017 03:44:47 GMThttps://sora.elibinary.online/posts/xxiv-ruby-type-conversion/https://sora.elibinary.online/posts/xxiv-ruby-type-conversion/在平时写代码的时候少不了要经常进行一些类型转换，经常性的要用到Sun, 14 May 2017 04:06:05 GMThttps://sora.elibinary.online/posts/xxiii-ruby-base64/https://sora.elibinary.online/posts/xxiii-ruby-base64/Base64是一种基于64个可打印字符来表示二进制数据的表示方法。Base64常用于在通常处理文本数据的场合，表示、传输、存储一些二进制数据。包括MIME的email、在XML中存储复杂数据。Sun, 30 Apr 2017 09:32:17 GMThttps://sora.elibinary.online/posts/xxii-linear-algebra-inverse-matrix/https://sora.elibinary.online/posts/xxii-linear-algebra-inverse-matrix/To ask the right question is harder than to answer it.Sun, 23 Apr 2017 07:00:34 GMThttps://sora.elibinary.online/posts/xxi-linear-algebra-determinant/https://sora.elibinary.online/posts/xxi-linear-algebra-determinant/The purpose of computation is insight, not numbers.Sat, 22 Apr 2017 06:48:49 GMThttps://sora.elibinary.online/posts/xx-linear-algebra-transform/https://sora.elibinary.online/posts/xx-linear-algebra-transform/线性变换Sat, 08 Apr 2017 04:54:17 GMThttps://sora.elibinary.online/posts/xix-activerecord-relation-methods/https://sora.elibinary.online/posts/xix-activerecord-relation-methods/总结几个功能性很强很好用的方法Tue, 04 Apr 2017 04:19:00 GMThttps://sora.elibinary.online/posts/xviii-linear-algebra-vector/https://sora.elibinary.online/posts/xviii-linear-algebra-vector/向量指一个同时具有大小和方向的几何对象Sun, 26 Mar 2017 05:21:38 GMThttps://sora.elibinary.online/posts/hello-world/https://sora.elibinary.online/posts/hello-world/First post on this blogFri, 24 Mar 2017 00:00:00 GMThttps://sora.elibinary.online/posts/xvii-bitmap-sorting/https://sora.elibinary.online/posts/xvii-bitmap-sorting/本篇记述一下习题 1.6-3 的解题笔记及感想Sun, 19 Mar 2017 05:48:45 GMThttps://sora.elibinary.online/posts/xv-rails-render-view/https://sora.elibinary.online/posts/xv-rails-render-view/本文主要说一下 controller 到 view 的操作Sat, 11 Feb 2017 06:25:22 GMThttps://sora.elibinary.online/posts/xiv-learn-cors/https://sora.elibinary.online/posts/xiv-learn-cors/CORS 全称 Cross-Origin Resource Sharing，也就是跨域资源共享Sun, 15 Jan 2017 06:08:20 GMThttps://sora.elibinary.online/posts/xiii-some-tips-for-irb/https://sora.elibinary.online/posts/xiii-some-tips-for-irb/一些IRB的小技巧Sun, 08 Jan 2017 10:15:55 GMThttps://sora.elibinary.online/posts/xii-considerations-for-carrierwave/https://sora.elibinary.online/posts/xii-considerations-for-carrierwave/Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks. This gem provides a simple and extremely flexible way to upload files from Ruby applications. It works well with Rack based web applications, such as Ruby on Rails.Sun, 01 Jan 2017 07:08:11 GMThttps://sora.elibinary.online/posts/xi-learn-rack/https://sora.elibinary.online/posts/xi-learn-rack/Rack provides a minimal interface between webservers that support Ruby and Ruby frameworks.Sun, 25 Dec 2016 04:58:59 GMThttps://sora.elibinary.online/posts/x-review-base-cryptology/https://sora.elibinary.online/posts/x-review-base-cryptology/为什么会写这篇学习笔记呢，这个就说来话。。其实一点也不长，就是前几天突然被 AES 给绊了一跤，另外也是为了增加下知识面的广度。距离上一次系统的（简单的）学习密码学的知识有几个年头了，上次接触还是在大学的密码学课堂上。我和密码学的渊源就先放下不说，现在开始进入今天的话题。Sat, 10 Dec 2016 05:06:29 GMThttps://sora.elibinary.online/posts/ix-sugar-and-trap/https://sora.elibinary.online/posts/ix-sugar-and-trap/Ruby 的语法糖与小陷阱Sat, 19 Nov 2016 06:42:50 GMThttps://sora.elibinary.online/posts/viii-talk-about-ruby/https://sora.elibinary.online/posts/viii-talk-about-ruby/Ruby 是有很多语言发展而来的，它在借鉴了这些语言的很多特性的同时，也有很多自己处理问题的方式，有时候这些方式会令你困惑或惊讶。Sat, 12 Nov 2016 13:00:59 GMThttps://sora.elibinary.online/posts/vii-cookie-session/https://sora.elibinary.online/posts/vii-cookie-session/Cookie & Session 相关知识Sat, 22 Oct 2016 16:44:22 GMThttps://sora.elibinary.online/posts/iii-data-structure-skiplist/https://sora.elibinary.online/posts/iii-data-structure-skiplist/继续上一篇的话题，看下 skiplist 这个结构Fri, 21 Oct 2016 03:05:38 GMThttps://sora.elibinary.online/posts/vi-string-matching-kmp/https://sora.elibinary.online/posts/vi-string-matching-kmp/最近在复习一些基础算法，正好把字符串匹配的各种知识总结记录一下。Thu, 06 Oct 2016 16:32:37 GMThttps://sora.elibinary.online/posts/v-rails-delete-the-records/https://sora.elibinary.online/posts/v-rails-delete-the-records/这两天看了下 ActiveRecord 关于删除记录的部分，故有此记Sat, 10 Sep 2016 10:23:14 GMThttps://sora.elibinary.online/posts/iv-design-of-feeds-system/https://sora.elibinary.online/posts/iv-design-of-feeds-system/feed 系统也就是维护 sns 系统、微博等应用中好友圈，新鲜事等内容的系统。Sat, 10 Sep 2016 10:19:54 GMThttps://sora.elibinary.online/posts/ii-redis-sortedset/https://sora.elibinary.online/posts/ii-redis-sortedset/继续上一篇的话题，今天稍微深入的了解下 Redis 中的 Sorted Set 结构Sat, 20 Aug 2016 13:00:32 GMThttps://sora.elibinary.online/posts/i-talking-about-redisobject/https://sora.elibinary.online/posts/i-talking-about-redisobject/简单说下 redis 的核心结构 redisObjectSat, 06 Aug 2016 02:56:14 GMThttps://sora.elibinary.online/posts/mysql-query-optimization-iii/https://sora.elibinary.online/posts/mysql-query-optimization-iii/MySQL笔记之特殊查询优化Sat, 30 Jul 2016 06:05:34 GMThttps://sora.elibinary.online/posts/mysql-query-optimization-ii/https://sora.elibinary.online/posts/mysql-query-optimization-ii/MySQL笔记之查询优化进阶篇Sat, 23 Jul 2016 04:10:49 GMThttps://sora.elibinary.online/posts/mysql-query-optimization-i/https://sora.elibinary.online/posts/mysql-query-optimization-i/MySQL笔记之查询优化基础篇Sun, 17 Jul 2016 02:53:48 GMThttps://sora.elibinary.online/posts/rails-im-actioncable/https://sora.elibinary.online/posts/rails-im-actioncable/rails即时通讯的解决方案 ActionCableSat, 09 Jul 2016 04:56:43 GMThttps://sora.elibinary.online/posts/rails-im-messagebus/https://sora.elibinary.online/posts/rails-im-messagebus/rails即时通讯的解决方案 MessageBusSat, 02 Jul 2016 02:50:31 GMThttps://sora.elibinary.online/posts/index-of-mqsql-ii/https://sora.elibinary.online/posts/index-of-mqsql-ii/本篇我们接着来谈索引Sun, 26 Jun 2016 03:45:12 GMThttps://sora.elibinary.online/posts/index-of-mqsql-i/https://sora.elibinary.online/posts/index-of-mqsql-i/本篇我们接着来谈索引Mon, 20 Jun 2016 08:21:39 GMThttps://sora.elibinary.online/posts/asset-pipeline/https://sora.elibinary.online/posts/asset-pipeline/Asset PipelineFri, 10 Jun 2016 04:38:33 GMThttps://sora.elibinary.online/posts/http-cache/https://sora.elibinary.online/posts/http-cache/本文主要介绍http缓存策略及实践。Sat, 28 May 2016 10:52:46 GMThttps://sora.elibinary.online/posts/continuous-sub-vector/https://sora.elibinary.online/posts/continuous-sub-vector/计算连续子向量的最大和及其时间度量方法。Sat, 21 May 2016 02:58:37 GMThttps://sora.elibinary.online/posts/mri-gil/https://sora.elibinary.online/posts/mri-gil/本篇简单介绍并行并发与ruby的GILFri, 13 May 2016 10:07:58 GMThttps://sora.elibinary.online/posts/hash-index/https://sora.elibinary.online/posts/hash-index/本篇简单介绍Hash索引Sat, 07 May 2016 09:11:37 GMThttps://sora.elibinary.online/posts/clustered-index-for-mysql/https://sora.elibinary.online/posts/clustered-index-for-mysql/本篇主要关于聚集索引的基础认识及在MySQL中的实现及应用。Sun, 01 May 2016 05:13:59 GMThttps://sora.elibinary.online/posts/quick-sort/https://sora.elibinary.online/posts/quick-sort/本篇简单介绍下快排。Sat, 23 Apr 2016 05:18:42 GMThttps://sora.elibinary.online/posts/rails-initialization-1/https://sora.elibinary.online/posts/rails-initialization-1/根据4.2.x源码分析rails启动流程。Thu, 14 Apr 2016 14:57:03 GMThttps://sora.elibinary.online/posts/greedy-and-annealing/https://sora.elibinary.online/posts/greedy-and-annealing/本篇简单介绍下贪心算法和模拟退火。Sat, 09 Apr 2016 05:19:51 GMThttps://sora.elibinary.online/posts/index-of-mysql-b-tree/https://sora.elibinary.online/posts/index-of-mysql-b-tree/本文主要讨论树形结构与MySQL索引之间那些事Wed, 30 Mar 2016 12:05:53 GMThttps://sora.elibinary.online/posts/grasp-of-mysql-index/https://sora.elibinary.online/posts/grasp-of-mysql-index/本文主要讨论 InnoDB 引擎相关的索引应用。Thu, 24 Mar 2016 09:40:10 GMThttps://sora.elibinary.online/posts/an-introduction-to-oauth2-p2/https://sora.elibinary.online/posts/an-introduction-to-oauth2-p2/本篇文章主要简单介绍OAuth2（开放授权）的四种 grant types 。Fri, 18 Mar 2016 14:10:34 GMThttps://sora.elibinary.online/posts/an-introduction-to-oauth2-p1/https://sora.elibinary.online/posts/an-introduction-to-oauth2-p1/本篇文章主要简单介绍OAuth2（开放授权）。Sat, 12 Mar 2016 01:17:16 GMThttps://sora.elibinary.online/posts/api-security-design/https://sora.elibinary.online/posts/api-security-design/本篇文章主要简单介绍一些api安全设计的方案。Fri, 04 Mar 2016 14:34:00 GMThttps://sora.elibinary.online/posts/mongoid-utilization-summary/https://sora.elibinary.online/posts/mongoid-utilization-summary/本篇文章主要介绍Mongoid的一些查询命令。Sat, 27 Feb 2016 01:03:29 GMThttps://sora.elibinary.online/posts/network-flow-problem-maximum-flow/https://sora.elibinary.online/posts/network-flow-problem-maximum-flow/这里介绍一种计算流系统中最大流的方法，解法使用Ford-Fulkerson方法的基本思想。Fri, 19 Feb 2016 12:00:43 GMThttps://sora.elibinary.online/posts/qiniu-video-audio-processing/https://sora.elibinary.online/posts/qiniu-video-audio-processing/本篇文章主要介绍基于Qiniu的音视频存储及切片和转换处理的ruby实现。Thu, 28 Jan 2016 10:37:17 GMT