2023 父亲写的散文诗


2023 年度游戏总结

2023 年度书单

posted in Books, tagged with Reading and Thoughts

《Chip War》《Four Thousand Weeks》《The Book of CP-System》《火車》《银河帝国2:基地与帝国》《Sketching from Square One to Trafalgar Square》《日本經典動畫建築》《桶川跟踪狂杀人事件》《日本古城建築圖典》《隳三都:蒙古灭金围城史》《大汗之怒:元朝征伐日本小史》《银河帝国1:基地》《小镇奇谈》《創作的基因》《Soul Arts - Presented by VaatiVidya》《Tom’s Palestine Sketchbook》《From Tokyo わたしの stayhome 日記 2022-2023》《Baghdad Journal: An Artist in Occupied Iraq》《Anatomy for Artist: Drawing Form and Pose》《Framed Ink: Drawing and Composition for Visual Storytellers》《Graphic LA》《Dong Ho Kim Urban Sketch Volume 1》《Morpho: Hands and Feet》《Sketching from the Imagination: Anime and Manga》《バガボンド》《とんがり帽子のアトリエ》《明日ちゃんのセーラー服》《A Jane Austen Education》《银河帝国4:基地前奏》《查令十字街84号》《佐贺的超级阿嬷》《Turning Point, 1997-2008》《知的资本论:茑屋书店的经营之道》《101 Things I Learned in Architecture School》《百木田家の古書暮らし》《美国纽约摄影学院摄影教材(上)》《细说三国》《镖人》《Elden Ring Official Art Book Volume I》《Sekiro Official Artworks》《Reportage Illustration - Visual Journalism》《Sketch Now, Think Later》《手绘的奇思妙想》《Sketching from the Imagination - Magic and Myth》《人物クロッキーの基本》《ガチアクタ》《超新星纪元》《逆ソクラテス》《霍乱时期的爱情》《The Death of the Artist》

Reportage Illustration and Travel Sketch


2022 梦想天空

2022 年度游戏总结

posted in MISC, tagged with Fun and Gaming

Elden Ring, Bloodborne, Dark Souls III, Demon’s Souls Remake, Sifu, Stray, Hellblade: Senua’s Sacrifice, Disco Elysium, As Dusk Falls, Detroit: Become Human, Death Stranding, The Last of US, Ghost of Tsushima, Assassin’s Creed Origins, Hitman 3, Teenage Mutant Ninja Turtles: Shredder’s Revenge, A Way Out, Devil May Cry 5, God of War, Returnal, Tales of Arise.

2022 书单:冬至

posted in Books, tagged with Reading and Thoughts

《随椋鸟飞行:复杂系统的奇境》《不去会死!》《毫无意义的工作》《ルックバック》《火凤燎原》《Carnet De Voyage》《2022 Sketch Collection》《The Style of Loish - Finding an artistic voice》《The Art of the Sketchbook》《Sketching from the Imagination: Characters》《The art of Robert E. McGinnis》《Working with Color - Techniques for Using Watercolor and Color Media on the Go》《Strengthen Your Painting with Dynamic Composition》《Art Fundamentals: Theory in Practice》《Lurking: How a Person Became a User》

2022 书单:处暑

posted in Books, tagged with Reading and Thoughts

《The Spy and the Traitor》《Alone》《折れた竜骨》《尼罗河上的惨案》《Immune: A Journey into the Mysterious System That Keeps You Alive》《The Cell: A Visual Tour of the Building Block of Life》《When Brains Dream: Exploring the science and mystery of sleep》《幸福的建筑》《男鹿和雄画集 II》《The Electric State》《水槽》《Edgar Payne - The Scenic Journey》《奥列佛风景建筑速写》《Beginner’s Guide to Creating Portraits》《Framed Drawing Techniques》《Programming Rust》《Pain: The Science of Suffering》《5-Minute Sketching Architecture》《看不见的城市》《Software Engineering at Google: Lessons Learned from Programming Over Time》《Programming Differential Privacy》《牧羊少年奇幻之旅》《Beautiful Architecture: Leading Thinkers Reveal the Hidden Beauty in Software Design》《语言与沉默:论语言、文学与非人道》《镜·双城》《不迷路,不东京》


Elden Ring PvP and Theory of Mind

修复 Wordpress 与 MySQL 中文乱码

posted in Technology, tagged with Webdev and Tools

对旧的 Wordpress 博客的 MySQL 数据库乱码的修复和网站静态化过程的记录。


2021 世界终结前一天

2021 书单:冬至

posted in Books, tagged with Reading, Python and Thoughts

《Working in Public: The Making and Maintenance of Open Source》《Trees, maps, and theorems - Effective Communication for Rational Minds》《Fluent Python》《API Security in Action》《CPython Internals - Your Guide to the Python 3 Interpreter》《电影镜头设计 - 从构思到荧幕》《The Dam Keeper》《古今数学思想 第三册》《風立ちぬ》《The Origin of Species》《The Body - A Guide for Occupants》《美国的反智传统》《Snow Crash》

Understanding One Point Perspective

2021 书单:秋分

posted in Books, tagged with Fun, Art and Reading

《Emperor of All Maladies: A Biography of Cancer》《The Brain from Inside Out》《Creating language - Integrating Evolution, Acquisition, and Processing》《Permanent Record》《甘尼米德的溫柔巨人》《Giants’ Star》《The Dramatic Portrait: The Art of Crafting Light and Shadow》《Framed Ink Vol. 2》《Stonehouse Anatomy Note》《Sketching Techniques for Artists》《Women Who Read Are Dangerous》《Beautiful Evidence》

2021 书单:立夏

posted in Books, tagged with Fun, Art and Reading

《An Anthropologist On Mars》《Subliminal - How Your Unconscious Mind Rules Your Behavior》《A Short History of Nearly Everything》《星辰的继承者》《What It’s Like to Be a Bird》《Make - Electronics》《The Rust Programming Language》《Computer Architecture - A Quantitative Approach》《Learn to Paint People Quickly》《Light for Visual Artist》《Space Drawing Perspective - Volume 1》《Dynamic Bible I》《線と陰-アニメーターから学ぶキャラクター作画術》《Draw People Every Day》《Anders Zorn - Sweden’s Master Painter》《Guweiz - The Art of Gu Zheng Wei》《Cozy Days - The Art of Iraville》《Fill Your Oil Paintings with Light & Color》《X 的悲剧》《Y 的悲剧》《Genius Makers: The Mavericks Who Brought AI to Google, Facebook, and the World》《The Death and Life of Great American Cities》《The Chinese Must Go》《冬日漫游》《Meanwhile in San Francisco - The City in Its Own Words》《Kotlin Programming - The Big Nerd Ranch Guide》《Envisioning Information》《万水千山走遍》《History of the World Map by Map》《民主的细节》


2020 天天年年

posted in MISC, tagged with Life

2020 年年终总结

2020 书单:冬至

posted in Books, tagged with Reading and Fun

《The Language Instinct: How The Mind Creates Language》《Serious Python: Black-Belt Advice on Deployment, Scalability, Testing, and More》《古今数学思想(第一册)》《古今数学思想(第二册)》《基督山伯爵(全三册)》《Born a Crime - Stories from a South African Childhood》《Discovery - Discover the world of microcontrollers through Rust》《The Visual Display of Quantitative Information》《Making Embedded Systems: Design Patterns for Great Software》《雍正皇帝 第一册【九王夺嫡】》《How Not to Be Wrong: The Power of Mathematical Thinking》

Flashing Bootloader with a J-Link Programmer

My First Keyboard PCB Design

Split Keypoard and OLED Customization


Down the Rabbit Hole of Tiny Keyboards

2020 书单:白露

posted in Books, tagged with Reading and Fun

《A Gentleman in Moscow》《Buzz, Sting, Bite: Why We Need Insects》《UNIX: A History and a Memoir》《A Knight of the Seven Kingdoms》《On Drawing Trees and Nature : A Classic Victorian Manual》《Alice and Bob Meet the Wall of Fire: The Biggest Ideas in Science from Quanta》《The Shenzhen Experiment: The Story of China’s Instant City》《政治秩序的起源:从前人类时代到法国大革命》《三案始末》《Turing’s Cathedral: The Origins of the Digital Universe》《Influenza: The Hundred Year Hunt to Cure the Deadliest Disease in History》《人类的群星闪耀时》《20世纪思想史 : 从弗洛伊德到互联网》《The Drunkard’s Walk: How Randomness Rules Our Lives》《变形记》《世界から猫が消えたなら》《Things to Make and Do in the Fourth Dimension》

Climbing towards NLU: On Meaning, Form, and Understanding in the Age of Data

Work From Home Remote Connection Kit

Github based Comment System, and the Death of Independent Blog?

Arduino and Procreate Art Keyboard

2020 书单:谷雨

posted in Books, tagged with Reading and Fun

《鼠疫》《血疫 : 埃博拉的故事》《Gut : The Inside Story of Our Body’s Most Underrated Organ》《Code : The Hidden Language of Computer Hardware and Software》《A Random Walk Down Wall Street - The Time-Tested Strategy for Successful Investing》《Lifespan : Why We Age—and Why We Don’t Have To》《Atomic Habits : An Easy and Proven Way to Build Good Habits and Break Bad Ones》《The Idea Factory : Bell Labs and the Great Age of American Innovation》《拉丁美洲被切开的血管》《天下刀宗》《日本人为何选择了战争》《Morpho : Anatomie artistique》《Graphic L.A.》《Understanding Perspective: Easy Techniques for Mastering Perspective Drawing on Location》《Drawing with a Tablet – Easy Techniques for Mastering Digital Drawing on Location》

Server Side Math Rendering


2019 时光小偷

posted in MISC, tagged with Life

2019 年年终总结

Sending AZW3 Files to Kindle

AI and Language


posted in MISC, tagged with Thoughts



2018 世说心语

posted in MISC, tagged with Life

2018 年年终总结。

Expressionism and Inceptionism

Contemporary Art, Brain Science and AI — Introduction


2017 风衣

posted in MISC, tagged with Life

2017 年年终总结。

Distributed Learning in Julia

posted in Technology, tagged with Julia and Tools

介绍 Julia 的分布式计算机制,并提供一个 asynchronized stochastic gradient descent 的例子以及完整示例代码。

Plotting 3D Surfaces in Python


2016 无限大

posted in MISC, tagged with Life

2016 年年终总结。

iPad Pro 试用手记:绘图笔记阅读

Could a neuroscientist understand a microprocessor?

posted in MISC, tagged with Thoughts and Fun


Disable OS X System Integrity Protection

posted in MISC, tagged with Tools

为何要以及如何来禁用 Mac OS X 的 System Integrity Protection。

Optimization and Assumptions

posted in MISC, tagged with Optimization, Thoughts and Algorithm

从 intuition 的角度介绍了优化问题中常用的一些 assumption 在缺失的情况下会带来一些什么样的困难。

The Volume of High-dimensional Unit Ball


2015 就是这样

posted in MISC, tagged with Life

2015 年年度总结

Denoising Lena


posted in MISC, tagged with Thoughts and Tools

关于改善自己知识积累过程的一些想法和尝试的记录。主要结论是需要划分主次和跳出 comfortable zone,积极动脑筋进行整理和归纳。


2014 明天的记忆

posted in MISC, tagged with Life

2014 年年度总结贴。

Softmax vs. Softmax-Loss: Numerical Stability

posted in Machine Learning, tagged with Deep Learning, Optimization and Julia

本文以 softmax 加 multinomial logistic loss 在优化的时候是要一次计算 gradient 还是分开两层计算再用 chain rule 乘到一起这个问题为例子介绍了浮点运算中有可能会碰到的各种上溢和下溢问题。

DRM vs. DRM-free e-Books

posted in MISC, tagged with Reading and Tools

关于 DRM 和 DRM-free 电子书的一些胡思乱想、吐槽和临时解决方案。

Approximation Theory: From Taylor Polynomials to Wavelets

posted in Books, tagged with Approximation and Sparsity

一本从 Approximation Theory 的角度来介绍泰勒级数到傅里叶级数再到 Wavelet 的书的读书简评。

Mosh: the Mobile Shell

posted in MISC, tagged with Tools

介绍一个为移动设备设计的 SSH 的替代工具 mosh。

Projected Gradient Method and LASSO

posted in Machine Learning, tagged with Optimization, Julia, Algorithm, Sparsity and Signal Processing

本文介绍用于求解目标函数光滑、约束集为闭凸集并且投影算子易于计算优化问题的一种叫做 Projected Gradient Method 的算法。利用到凸集的投影算子的性质,我们证明在 Gradient Descent 中添加投影的步骤之后依然能保证算法的收敛性和收敛速度。作为示例,我们介绍了机器学习中常用的 LASSO 模型,并用到信号处理中的一个简单的去噪算法中。


posted in MISC, tagged with Life and Fun


Constrained Optimization and Support Vector Machines

posted in Machine Learning, tagged with Optimization

介绍带约束的优化问题,给出了在目标函数和 constraints 皆可导的情况下最优解的充分必要条件的刻画,并以支持向量机作为例子加以说明。

Newton Method

posted in Machine Learning, tagged with Optimization, Julia and Algorithm

介绍了具有 Q-二次收敛性的 Newton Method,并用一个简单的一维函数优化的例子和上一次里的 Logistic Regression 的例子展示了 Newton Method 的优缺点。

Gradient Descent, Wolfe's Condition and Logistic Regression


2013: 我要的幸福

posted in MISC, tagged with Life

2013 年度总结

A Compressed Sense of Compressive Sensing (III)

Deep Learning and Shallow Learning

posted in Machine Learning, tagged with Deep Learning, Survey, Learning Models and Reading

简单 survey 了一下 deep learning,对比 deep learning 和 shallow learning 中前者有哪些优势,为什么 deep learning 会比较有效,以及 deep learning 中存在的困难和问题等。

A Compressed Sense of Compressive Sensing (II)

Julia: A New Language for Scientific Computing

A Compressed Sense of Compressive Sensing (I)

posted in Machine Learning, tagged with Compressive Sensing and Signal Processing

本文简要介绍了 Compressive Sensing(压缩感知)中的基本概念和一些基本结论。由于篇幅限制,作为压缩感知基本概念系列的第一篇,主要介绍了 Spark、Null Space Property 和 Restricted Isometry Property 等感知矩阵的基本性质以及对应情况下所能得到的感知解码结果保证。

Mobile View of Free Mind

posted in Technology, tagged with Webdev


Equivalence of Several L1 Sparsity Problem

漫谈 HMM:Kalman/Particle Filtering

posted in Machine Learning, tagged with Algorithm, Probabilistic Graphical Model and Approximation

Kalman Filter 和 Particle Filter 是两种用于处理连续型随机变量的 HMM Inference 算法。前者是 exact 算法,仅适用于 Gaussian 的情况,而后者是 approximation 算法,可以适用于各种 nonlinear 的 dynamics。

Data Processing Inequality

Randomized Algorithms and Cryptography

漫谈 HMM:Forward-Backward Algorithm

漫谈 HMM:Definition

GDrive Introduces 30-sec Sleep Delay in OSX

posted in MISC, tagged with Tools

Google Chrome 里的 Google Drive 离线 app 会引起 OSX 的 sleep 时间被延长到二三十秒。

Towards Paperless Academic Reading

posted in MISC, tagged with Tools

闲谈了一下科技图书电子出版相关的一些事以及 Academic Reading 用的平板设备(Kindle、Nexus 10 和 iPad)和相关的 App 的感受。

Texture Synthesis: Explore Representations of Mind

posted in MISC, tagged with Fun and Talk

介绍 Speech Recognition 课上的一次 Guest Talk,内容是关于人脑对 sound texture 的 representation 的模型假设以及实验验证。还有 Speech 课自己的一些好玩的东西。


2012: The Moment

posted in MISC, tagged with Life

2012 年度总结。

Probabilistic Graphical Model

Noam Chomsky on Where AI Went Wrong

posted in Machine Learning, tagged with Reading and Resource

介绍了 Noam Chomsky 关于近来基于统计模型的各种 AI 以及相关领域的进展和研究方法所提出的批评意见以及一些相关的资料。

Deciding the Number of Clusterings

posted in Machine Learning, tagged with Inference, Unsupervised Learning and Probabilistic Graphical Model

关于聚类算法中类别数目的问题的简要介绍以及几个相关的不需要直接指定类别数目的算法的介绍,最后提及一下一个有趣的通过类似 supervised learning theory 中引入未知概率分布的方法来从不同的视角分析聚类问题。

Randomized Linear Algebra; Tractable Inference

VC Theory: Vapnik–Chervonenkis Dimension

VC Theory: Symmetrization

VC Theory: Hoeffding Inequality

Yet Another Online Machine Learning Course

Regularized Gaussian Covariance Estimation

Recipes for Faster Matlab Code

posted in Programming, tagged with Tools and Matlab

通过一个 Matlab 的 K-medoids 算法实现的例子介绍了编写高效的 Matlab 程序所需要的一些基本的注意事项。

Printable Version (PDF) of this Blog

posted in MISC, tagged with LaTeX and Tools

为本 blog 的文章添加 HTML 和 PDF (通过 LaTeX)双重格式输出。本文简要介绍了我实现这个功能的过程中的一些经历。

Coursera: Education for Everyone

posted in MISC, tagged with Coursera and Online Course

介绍最近开始流行起来的在线课程平台 Coursera 以及相关的一些其他平台和资源。

Policy-based Programming

posted in Programming, tagged with Programming Paradigm, C++ and Google Go

介绍了 C++ 中基于 Policy 的编程范式,用于解决使用传统 OO 框架所不能很好地处理的情况,并简单介绍了一下在其他语言中如何处理类似的情况。

Discriminative Modeling vs Generative Modeling

posted in Machine Learning, tagged with Generative Modeling and Learning Models

简单介绍了 Naive Bayes 和 Logistic Regression 这两种算法,并导出他们模型之间的等价性。然后简单对比了一下 generative modeling 和 discriminative modeling 之间各自的优缺点。

The Unbearable Madness of Static Blog Generators

posted in Technology, tagged with Webdev and Tools

关于几个 static blog generator (bonsai, hyde, jekyll, octopress, ruhoh) 的一些体验、经验和吐槽。

Sparsity and Some Basics of L1 Regularization