Personal archive · 2013—present
Thinking in
systems.
Notes on technology, business, leadership, and the long arc of building things that matter.
Archive
Writing
58 notes across technology, markets, work, and life.
2020
写在大选日前
Nov 01
满，六个月了
May 09
2019
在这个十年之尾，随便写写
Dec 30
Note -- Fed balance sheet
Dec 26
Hello world! 新成员
Nov 08
写在满满出生之前
Oct 05
Uber IPO
May 11
说说订阅经济 (Subscription Business)
Feb 23
Note -- German Debt Crisis and Hyperinflation
Jan 22
2018
Learning from stock options trade
Sep 30
Note -- Capitalism without capital
Sep 23
回国一周感想
Sep 10
Dara as CEO
Aug 05
Note -- China's SuperBank
Apr 21
Note -- 李光耀观天下
Jan 03
2017
Leadership requires consistency
Oct 18
尘埃落定，闹剧收场
Sep 16
贵司水逆，随便写写
Jun 30
Transfer Learning
Mar 29
Note -- Generation Zero
Mar 05
2016
Engaged :)
Dec 30
Uber Subscription
Sep 11
Reflection on Uber China Business
Aug 10
Aligning teams with clear goals
May 14
Marketplace Thickness & Incentives
Mar 20
2015
2015 年末总结
Dec 30
On-demand Commute Product
Oct 08
A rocket ship
Jun 22
Upgraded Markdown cheatsheet
Jan 18
2014
Road trip to Antelope Canyon
Dec 28
Bootstrapping a recommendation product
Aug 02
SF Marathon Done!!
Jul 27
Learnings from audio recognition product
May 30
New chapter in Facebook
Feb 01
2013
LLVM vs Dalvik (Android) note II
Oct 30
LLVM note I
Oct 29
Implementing a compiler by LLVM and OCaml
Oct 27
Lock Free Data Structure I
Oct 15
Caching Strategies
Oct 09
Fast Text Cache--Feed Forward Bloom Filter
Sep 27
Data Infrastructure - Graph Traversal Pattern II
Aug 17
Data Infrastructure - Graph Traversal Pattern I
Aug 13
Lessons from Memcached
Aug 08
Minimal Superpermutation Problem
Jul 30
Consistent Hashing
Jul 28
Content-Based Recommender Systems III Profile Learner
Jul 10
The Probabilistic Relevance Framework
Jul 09
Topic Model-- LDA
Jul 01
Scoring in a complete search system
Jul 01
Content-Based Recommender Systems II Item Representation
Jun 30
Content-Based Recommender Systems I Introduction
May 18
Indexing
May 16
Hidden Markov Model
May 12
Expectation Maximization Algorithm
Mar 25
Learning Senna src
Feb 26
Note -- Business Cycles
Feb 24
Support Latex and Highlight Syntax
Feb 15
My VIM
Feb 05