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We are drowning in information and starving for knowledge.
Technology
13
Electronics
5
MISC
37
Books
16
Machine Learning
25
Statistical Learning Theory
3
Programming
2
Technology (13)
The Unbearable Madness of Static Blog Generators
Mobile View of Free Mind
Julia: A New Language for Scientific Computing
Plotting 3D Surfaces in Python
Distributed Learning in Julia
Server Side Math Rendering
Arduino and Procreate Art Keyboard
Github based Comment System, and the Death of Independent Blog?
Work From Home Remote Connection Kit
修复 Wordpress 与 MySQL 中文乱码
关闭 Disqus 留言系统
Self-hosting in 2026
How to not Simulate an Ink Brush
Electronics (5)
记一次有意义的熬夜
Split Keypoard and OLED Customization
My First Keyboard PCB Design
Flashing Bootloader with a J-Link Programmer
Hall effect switches & keyboard catch up
MISC (37)
Coursera: Education for Everyone
Printable Version (PDF) of this Blog
2012: The Moment
Texture Synthesis: Explore Representations of Mind
Towards Paperless Academic Reading
GDrive Introduces 30-sec Sleep Delay in OSX
Randomized Algorithms and Cryptography
2013: 我要的幸福
京都书店印象
Mosh: the Mobile Shell
DRM vs. DRM-free e-Books
2014 明天的记忆
关于知识整理、积累与记忆
2015 就是这样
The Volume of High-dimensional Unit Ball
Optimization and Assumptions
Disable OS X System Integrity Protection
Could a neuroscientist understand a microprocessor?
iPad Pro 试用手记：绘图笔记阅读
2016 无限大
2017 风衣
2018 世说心语
封闭的内容平台
Sending AZW3 Files to Kindle
2019 时光小偷
Down the Rabbit Hole of Tiny Keyboards
2020 天天年年
Understanding One Point Perspective
2021 世界终结前一天
Elden Ring PvP and Theory of Mind
2022 年度游戏总结
2022 梦想天空
2023 年度游戏总结
2023 父亲写的散文诗
2024 年度游戏总结
2024 山丘
2025 日落
Books (16)
Approximation Theory: From Taylor Polynomials to Wavelets
Contemporary Art, Brain Science and AI — Introduction
Expressionism and Inceptionism
2020 书单：谷雨
2020 书单：白露
2020 书单：冬至
2021 书单：立夏
2021 书单：秋分
2021 书单：冬至
将旧安卓平板变成电子书展示器
2022 书单：处暑
2022 书单：冬至
Reportage Illustration and Travel Sketch
2023 年度书单
2024 年度书单
2025 年度书单
Machine Learning (25)
Sparsity and Some Basics of L1 Regularization
Discriminative Modeling vs Generative Modeling
Regularized Gaussian Covariance Estimation
Yet Another Online Machine Learning Course
Randomized Linear Algebra; Tractable Inference
Deciding the Number of Clusterings
Noam Chomsky on Where AI Went Wrong
Probabilistic Graphical Model
漫谈 HMM：Definition
漫谈 HMM：Forward-Backward Algorithm
Data Processing Inequality
漫谈 HMM：Kalman/Particle Filtering
Equivalence of Several L1 Sparsity Problem
A Compressed Sense of Compressive Sensing (I)
A Compressed Sense of Compressive Sensing (II)
Deep Learning and Shallow Learning
A Compressed Sense of Compressive Sensing (III)
Gradient Descent, Wolfe's Condition and Logistic Regression
Newton Method
Constrained Optimization and Support Vector Machines
Projected Gradient Method and LASSO
Softmax vs. Softmax-Loss: Numerical Stability
Denoising Lena
AI and Language
Climbing towards NLU: On Meaning, Form, and Understanding in the Age of Data
Statistical Learning Theory (3)
VC Theory: Hoeffding Inequality
VC Theory: Symmetrization
VC Theory: Vapnik–Chervonenkis Dimension
Programming (2)
Policy-based Programming
Recipes for Faster Matlab Code