Tianyang Li

Beijing, China

li-tianyang.com

Age: 22

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Stack Overflow

Q&A for professional and enthusiast programmers

Joined 3 years ago, last seen today

436 reputation

1618

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25 questions

3 answers

Cross Validated

Q&A for statisticians, data analysts, data miners and data visualization experts

Joined 1 year ago, last seen 6 days ago

233 reputation

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6 questions

0 answers

Mathematics

Q&A for people studying math at any level and professionals in related fields

Joined 1 year ago, last seen 9 days ago

198 reputation

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12 questions

2 answers

Computational Science

Q&A for scientists using computers to solve scientific problems

Joined 1 year ago, last seen 8 months ago

168 reputation

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2 questions

1 answers

Raspberry Pi

Q&A for users and developers of hardware and software for Raspberry Pi

Joined 10 months ago, last seen 10 months ago

166 reputation

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1 questions

1 answers

Android Enthusiasts

Q&A for enthusiasts and power users of the Android operating system

Joined 10 months ago, last seen 29 days ago

161 reputation

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2 questions

2 answers

Ask Ubuntu

Q&A for Ubuntu users and developers

Joined 2 years ago, last seen today

151 reputation

badges

1 questions

0 answers

Area 51

Stack Exchange Network staging zone, where users come together to build new Q&A sites

Joined 7 months ago, last seen 1 month ago

151 reputation

badges

- questions

- answers

TeX - LaTeX

Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems

Joined 1 year ago, last seen 12 days ago

133 reputation

badges

1 questions

0 answers

Super User

Q&A for computer enthusiasts and power users

Joined 1 year ago, last seen 12 days ago

117 reputation

badges

3 questions

0 answers

English Language & Usage

Q&A for linguists, etymologists, and serious English language enthusiasts

Joined 1 year ago, last seen 1 month ago

101 reputation

badges

0 questions

0 answers

IT Security

Q&A for IT security professionals

Joined 1 year ago, last seen 1 month ago

101 reputation

badges

0 questions

0 answers

Electrical Engineering

Q&A for electronics and electrical engineering professionals, students, and enthusiasts

Joined 1 year ago, last seen 7 months ago

101 reputation

badges

0 questions

0 answers

Skeptics

Q&A for scientific skepticism

Joined 1 year ago, last seen 3 months ago

101 reputation

badges

0 questions

0 answers

Webmasters

Q&A for pro webmasters

Joined 1 year ago, last seen 3 months ago

101 reputation

badges

0 questions

0 answers

Database Administrators

Q&A for database professionals who wish to improve their database skills and learn from others in the community

Joined 7 months ago, last seen 7 months ago

101 reputation

badges

0 questions

0 answers

Science Fiction & Fantasy

Q&A for science fiction and fantasy enthusiasts

Joined 7 months ago, last seen 7 months ago

101 reputation

badges

0 questions

0 answers

Stack Apps

Q&A for apps, scripts, and development with the Stack Exchange API

Joined 10 months ago, last seen 10 months ago

101 reputation

badges

0 questions

0 answers

Mathematica

Q&A for users of Mathematica

Joined 1 year ago, last seen 7 months ago

101 reputation

badges

0 questions

0 answers

Travel

Q&A for road warriors and seasoned travelers

Joined 11 months ago, last seen 11 months ago

101 reputation

badges

0 questions

0 answers

Server Fault

Q&A for professional system and network administrators

Joined 1 year ago, last seen 1 month ago

101 reputation

badges

0 questions

0 answers

Web Applications

Q&A for power users of web applications

Joined 1 year ago, last seen 1 month ago

101 reputation

badges

0 questions

0 answers

Theoretical Computer Science

Q&A for theoretical computer scientists and researchers in related fields

Joined 1 year ago, last seen 20 days ago

101 reputation

badges

0 questions

0 answers

Programmers

Q&A for professional programmers interested in conceptual questions about software development

Joined 1 year ago, last seen yesterday

101 reputation

badges

0 questions

0 answers

Meta Stack Overflow

Q&A for meta-discussion of the Stack Exchange family of Q&A websites

Joined 1 year ago, last seen 1 month ago

101 reputation

badges

0 questions

0 answers

User Experience

Q&A for user experience researchers and experts

Joined 1 year ago, last seen 6 days ago

101 reputation

badges

0 questions

0 answers

Physics

Q&A for active researchers, academics and students of physics

Joined 1 year ago, last seen 6 months ago

101 reputation

badges

0 questions

0 answers

Unix & Linux

Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.

Joined 1 year ago, last seen 21 days ago

101 reputation

badges

0 questions

1 answers

Ask Patents

Q&A for people interested in improving and participating in the patent system

Joined 7 months ago, last seen 7 months ago

101 reputation

badges

0 questions

0 answers

Homebrewing

Q&A for dedicated home brewers and serious enthusiasts

Joined 7 months ago, last seen 7 months ago

101 reputation

badges

0 questions

0 answers

Code Review

Q&A for peer programmer code reviews

Joined 9 months ago, last seen 9 months ago

101 reputation

badges

0 questions

0 answers

Academia

Q&A for academics and those enrolled in higher education

Joined 7 months ago, last seen 3 months ago

101 reputation

badges

0 questions

0 answers

Graphic Design

Q&A for professional graphic designers and non-designers trying to do their own graphic design

Joined 7 months ago, last seen 3 months ago

101 reputation

badges

0 questions

0 answers

Programming Puzzles & Code Golf

Q&A for programming puzzle enthusiasts and code golfers

Joined 1 year ago, last seen 1 year ago

101 reputation

badges

0 questions

0 answers

Audio-Video Production

Q&A for engineers, producers, editors, and enthusiasts spanning the fields of audio, video, and media creation

Joined 7 months ago, last seen 7 months ago

101 reputation

badges

0 questions

0 answers

Gardening & Landscaping

Q&A for gardeners and landscapers

Joined 2 months ago, last seen 2 months ago

101 reputation

badges

0 questions

0 answers

The Workplace

Q&A for members of the workforce navigating the professional setting

Joined 11 months ago, last seen 4 months ago

101 reputation

badges

0 questions

0 answers

Personal Finance & Money

Q&A for people who want to be financially literate

Joined 1 year ago, last seen 3 months ago

101 reputation

badges

0 questions

0 answers

Philosophy

Q&A for those interested in logical reasoning

Joined 1 year ago, last seen 1 year ago

101 reputation

badges

0 questions

0 answers

Chinese Language & Usage

Q&A for students, teachers, and linguists wanting to discuss the finer points of the Chinese language

Joined 1 year ago, last seen 1 year ago

101 reputation

badges

0 questions

0 answers

Quantitative Finance

Q&A for finance professionals and academics

Joined 1 year ago, last seen 3 months ago

101 reputation

badges

0 questions

0 answers

Biology

Q&A for biology researchers, academics, and students

Joined 1 year ago, last seen 1 year ago

101 reputation

badges

0 questions

0 answers

Musical Practice & Performance

Q&A for musicians, students, and enthusiasts

Joined 1 year ago, last seen 1 year ago

101 reputation

badges

0 questions

0 answers

Computer Science

Q&A for students, researchers and practitioners of computer science

Joined 1 year ago, last seen 23 days ago

101 reputation

badges

0 questions

0 answers

Answers OnStartups

Q&A for entrepreneurs looking to start or run a new business

Joined 1 year ago, last seen 1 year ago

101 reputation

badges

0 questions

0 answers

Signal Processing

Q&A for practitioners of the art and science of signal, image and video processing

Joined 1 year ago, last seen 2 months ago

101 reputation

badges

0 questions

0 answers

Project Management

Q&A for project managers

Joined 1 year ago, last seen 1 year ago

101 reputation

badges

0 questions

0 answers

Cryptography

Q&A for software developers, mathematicians and others interested in cryptography

Joined 1 year ago, last seen 29 days ago

101 reputation

badges

0 questions

0 answers