Stack Overflow

Stack Overflow
Q&A for professional and enthusiast programmers
questions22m
answers32m
answered70%
users16m
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Server Fault

Server Fault
Q&A for system and network administrators
questions307k
answers490k
answered76%
users753k
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Super User

Super User
Q&A for computer enthusiasts and power users
questions469k
answers679k
answered66%
users1.3m
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Meta Stack Exchange

Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
questions96k
answers144k
answered87%
users873k
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Web Applications

Web Applications
Q&A for power users of web applications
questions32k
answers46k
answered77%
users204k
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Arqade

Arqade
Q&A for passionate videogamers on all platforms
questions97k
answers158k
answered93%
users183k
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Webmasters

Webmasters
Q&A for pro webmasters
questions36k
answers54k
answered92%
users96k
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Seasoned Advice

Seasoned Advice
Q&A for professional and amateur chefs
questions25k
answers60k
answered97%
users66k
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Game Development

Game Development
Q&A for professional and independent game developers
questions53k
answers77k
answered85%
users120k
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Photography

Photography
Q&A for professional, enthusiast and amateur photographers
questions25k
answers63k
answered98%
users70k
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Cross Validated

Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
questions186k
answers180k
answered64%
users283k
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Mathematics

Mathematics
Q&A for people studying math at any level and professionals in related fields
questions1.4m
answers1.9m
answered77%
users841k
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Home Improvement

Home Improvement
Q&A for contractors and serious DIYers
questions65k
answers110k
answered86%
users104k
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Geographic Information Systems

Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
questions142k
answers160k
answered78%
users154k
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TeX - LaTeX

TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
questions225k
answers288k
answered90%
users215k
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Ask Ubuntu

Ask Ubuntu
Q&A for Ubuntu users and developers
questions381k
answers482k
answered64%
users1.2m
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Personal Finance & Money

Personal Finance & Money
Q&A for people who want to be financially literate
questions35k
answers65k
answered91%
users82k
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English Language & Usage

English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
questions123k
answers276k
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users341k
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Stack Apps

Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
questions2.7k
answers2.6k
answered63%
users58k
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User Experience

User Experience
Q&A for user experience researchers and experts
questions31k
answers80k
answered97%
users118k
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Unix & Linux

Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
questions210k
answers309k
answered75%
users450k
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WordPress Development

WordPress Development
Q&A for WordPress developers and administrators
questions110k
answers137k
answered69%
users172k
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Theoretical Computer Science

Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
questions12k
answers16k
answered74%
users44k
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Ask Different

Ask Different
Q&A for power users of Apple hardware and software
questions117k
answers176k
answered83%
users338k
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Role-playing Games

Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
questions45k
answers101k
answered100%
users55k
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Bicycles

Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
questions18k
answers42k
answered97%
users44k
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Software Engineering

Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
questions60k
answers171k
answered94%
users340k
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Electrical Engineering

Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
questions164k
answers275k
answered85%
users232k
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Android Enthusiasts

Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
questions55k
answers67k
answered59%
users254k
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Board & Card Games

Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
questions13k
answers23k
answered98%
users28k
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Physics

Physics
Q&A for active researchers, academics and students of physics
questions195k
answers285k
answered80%
users244k
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Homebrewing

Homebrewing
Q&A for dedicated home brewers and serious enthusiasts
questions6.1k
answers14k
answered99%
users12k
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Information Security

Information Security
Q&A for information security professionals
questions64k
answers112k
answered90%
users218k
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Writing

Writing
Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing
questions11k
answers35k
answered98%
users39k
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Video Production

Video Production
Q&A for engineers, producers, editors and enthusiasts spanning the fields of video and media creation
questions8.4k
answers10k
answered75%
users27k
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Graphic Design

Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
questions34k
answers60k
answered90%
users123k
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Database Administrators

Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
questions93k
answers125k
answered81%
users205k
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Science Fiction & Fantasy

Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
questions66k
answers120k
answered92%
users112k
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Code Review

Code Review
Q&A for peer programmer code reviews
questions74k
answers113k
answered89%
users218k
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Code Golf

Code Golf
Q&A for programming puzzle enthusiasts and code golfers
questions13k
answers174k
answered99%
users83k
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Quantitative Finance

Quantitative Finance
Q&A for finance professionals and academics
questions19k
answers23k
answered74%
users40k
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Project Management

Project Management
Q&A for project managers
questions6k
answers18k
answered97%
users33k
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Skeptics

Skeptics
Q&A for scientific skepticism
questions10k
answers13k
answered87%
users43k
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Physical Fitness

Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
questions9.4k
answers18k
answered96%
users26k
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Drupal Answers

Drupal Answers
Q&A for Drupal developers and administrators
questions85k
answers111k
answered72%
users65k
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Motor Vehicle Maintenance & Repair

Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
questions24k
answers36k
answered78%
users49k
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Parenting

Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
questions6.5k
answers22k
answered99%
users29k
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SharePoint

SharePoint
Q&A for SharePoint enthusiasts
questions98k
answers127k
answered66%
users71k
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Music: Practice & Theory

Music: Practice & Theory
Q&A for musicians, students, and enthusiasts
questions22k
answers59k
answered98%
users59k
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Software Quality Assurance & Testing

Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers
questions11k
answers23k
answered90%
users43k
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Mi Yodeya

Mi Yodeya
Q&A for those who base their lives on Jewish law and tradition and anyone interested in learning more
questions35k
answers54k
answered84%
users16k
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German Language

German Language
Q&A for speakers of German wanting to discuss the finer points of the language and translation
questions15k
answers34k
answered100%
users35k
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Japanese Language

Japanese Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Japanese language
questions25k
answers36k
answered97%
users31k
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Philosophy

Philosophy
Q&A for those interested in the study of the fundamental nature of knowledge, reality, and existence
questions17k
answers38k
answered87%
users41k
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Gardening & Landscaping

Gardening & Landscaping
Q&A for gardeners and landscapers
questions16k
answers23k
answered86%
users23k
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Travel

Travel
Q&A for road warriors and seasoned travelers
questions43k
answers69k
answered98%
users90k
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Cryptography

Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
questions26k
answers32k
answered86%
users73k
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Signal Processing

Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
questions23k
answers30k
answered79%
users48k
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French Language

French Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language
questions12k
answers24k
answered99%
users23k
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Christianity

Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more
questions14k
answers32k
answered97%
users32k
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Bitcoin

Bitcoin
Q&A for Bitcoin crypto-currency enthusiasts
questions28k
answers38k
answered88%
users94k
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Linguistics

Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
questions9.4k
answers15k
answered82%
users22k
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Biblical Hermeneutics

Biblical Hermeneutics
Q&A for professors, theologians, and those interested in exegetical analysis of biblical texts
questions11k
answers30k
answered98%
users29k
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History

History
Q&A for historians and history buffs
questions13k
answers26k
answered92%
users36k
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Bricks

Bricks
Q&A for LEGO® and building block enthusiasts
questions4k
answers6.4k
answered97%
users13k
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Spanish Language

Spanish Language
Q&A for linguists, teachers, students and Spanish language enthusiasts in general wanting to discuss the finer points of the language
questions8.3k
answers17k
answered99%
users20k
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Computational Science

Computational Science
Q&A for scientists using computers to solve scientific problems
questions9.9k
answers12k
answered78%
users30k
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Movies & TV

Movies & TV
Q&A for movie and TV enthusiasts
questions21k
answers35k
answered91%
users65k
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Chinese Language

Chinese Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Chinese language
questions9.7k
answers24k
answered99%
users21k
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Biology

Biology
Q&A for biology researchers, academics, and students
questions27k
answers30k
answered80%
users52k
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Poker

Poker
Q&A for serious players and enthusiasts of poker
questions2k
answers4.3k
answered96%
users7.9k
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Mathematica

Mathematica
Q&A for users of Wolfram Mathematica
questions80k
answers111k
answered86%
users60k
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Psychology & Neuroscience

Psychology & Neuroscience
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
questions7.4k
answers7.9k
answered79%
users23k
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The Great Outdoors

The Great Outdoors
Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment
questions5.8k
answers14k
answered98%
users17k
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Martial Arts

Martial Arts
Q&A for students and teachers of all martial arts
questions2k
answers6.3k
answered97%
users8.3k
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Sports

Sports
Q&A for participants in team and individual sport activities
questions5.5k
answers8.3k
answered94%
users14k
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Academia

Academia
Q&A for academics and those enrolled in higher education
questions37k
answers88k
answered96%
users115k
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Computer Science

Computer Science
Q&A for students, researchers and practitioners of computer science
questions42k
answers49k
answered79%
users118k
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The Workplace

The Workplace
Q&A for members of the workforce navigating the professional setting
questions29k
answers100k
answered100%
users94k
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Windows Phone

Windows Phone
Q&A for enthusiasts and power users of Windows Phone OS
questions3.4k
answers4.6k
answered84%
users18k
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Chemistry

Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
questions40k
answers47k
answered82%
users85k
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Chess

Chess
Q&A for serious players and enthusiasts of chess
questions7.3k
answers18k
answered99%
users24k
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Raspberry Pi

Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
questions34k
answers45k
answered74%
users115k
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Russian Language

Russian Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Russian language
questions4.4k
answers11k
answered100%
users13k
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Islam

Islam
Q&A for Muslims, experts in Islam, and those interested in learning more about Islam
questions13k
answers20k
answered79%
users31k
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Salesforce

Salesforce
Q&A for Salesforce administrators, implementation experts, developers and anybody in-between
questions118k
answers137k
answered73%
users80k
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Ask Patents

Ask Patents
Q&A for people interested in improving the patent system
questions4.2k
answers6.6k
answered91%
users17k
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Genealogy & Family History

Genealogy & Family History
Q&A for expert genealogists and people interested in genealogy or family history
questions3.5k
answers5.7k
answered90%
users8.7k
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Robotics

Robotics
Q&A for professional robotic engineers, hobbyists, researchers and students
questions6k
answers8.4k
answered84%
users22k
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ExpressionEngine® Answers

ExpressionEngine® Answers
Q&A for administrators, end users, developers and designers for ExpressionEngine® CMS
questions12k
answers16k
answered80%
users7.4k
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Politics

Politics
Q&A for people interested in governments, policies, and political processes
questions13k
answers29k
answered96%
users33k
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Anime & Manga

Anime & Manga
Q&A for anime and manga fans
questions12k
answers18k
answered86%
users40k
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Magento

Magento
Q&A for users of the Magento e-Commerce platform
questions108k
answers134k
answered62%
users75k
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English Language Learners

English Language Learners
Q&A for speakers of other languages learning English
questions94k
answers143k
answered90%
users117k
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Sustainable Living

Sustainable Living
Q&A for folks dedicated to a lifestyle that can be maintained indefinitely without depleting available resources
questions1.9k
answers3.8k
answered95%
users8.3k
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Tridion

Tridion
Q&A for Tridion developers and administrators
questions7.1k
answers10k
answered91%
users3.3k
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Reverse Engineering

Reverse Engineering
Q&A for researchers and developers who explore the principles of a system through analysis of its structure, function, and operation
questions8.3k
answers9.9k
answered79%
users30k
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Network Engineering

Network Engineering
Q&A for network engineers
questions15k
answers24k
answered95%
users62k
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Open Data

Open Data
Q&A for developers and researchers interested in open data
questions5.8k
answers6.8k
answered67%
users23k
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Freelancing

Freelancing
Q&A for self-employed and freelance workers
questions1.9k
answers4.5k
answered97%
users21k
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Blender

Blender
Q&A for people who use Blender to create 3D graphics, animations, or games
questions88k
answers81k
answered66%
users110k
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MathOverflow

MathOverflow
Q&A for professional mathematicians
questions130k
answers167k
answered71%
users352k
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Space Exploration

Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
questions16k
answers24k
answered88%
users32k
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Sound Design

Sound Design
Q&A for sound engineers, producers, editors, and enthusiasts
questions9.7k
answers25k
answered90%
users20k
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Astronomy

Astronomy
Q&A for astronomers and astrophysicists
questions12k
answers16k
answered89%
users31k
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Tor

Tor
Q&A for researchers, developers, and users of Tor
questions5.6k
answers6.6k
answered76%
users22k
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Pets

Pets
Q&A for pet owners, caretakers, breeders, veterinarians, and trainers
questions7.6k
answers12k
answered90%
users17k
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Amateur Radio

Amateur Radio
Q&A for amateur radio enthusiasts
questions4k
answers7.6k
answered96%
users16k
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Italian Language

Italian Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Italian language
questions3.5k
answers5.2k
answered94%
users7.4k
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Stack Overflow em Português

Stack Overflow em Português
Perguntas e respostas para programadores profissionais e entusiastas
questions151k
answers186k
answered76%
users219k
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Aviation

Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
questions21k
answers41k
answered95%
users45k
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Ebooks

Ebooks
Q&A for ebook publishers and readers
questions1.5k
answers2.2k
answered76%
users13k
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Beer, Wine & Spirits

Beer, Wine & Spirits
Q&A for alcoholic beverage aficionados and those interested in beer, wine, or spirits
questions1.1k
answers2.5k
answered98%
users8.5k
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Software Recommendations

Software Recommendations
Q&A for people seeking specific software recommendations
questions21k
answers21k
answered53%
users64k
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Arduino

Arduino
Q&A for developers of open-source hardware and software that is compatible with Arduino
questions23k
answers31k
answered82%
users65k
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Expatriates

Expatriates
Q&A for people living abroad on a long-term basis
questions6.8k
answers7k
answered79%
users14k
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Mathematics Educators

Mathematics Educators
Q&A for those involved in the field of teaching mathematics
questions3.2k
answers10k
answered94%
users13k
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Earth Science

Earth Science
Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences
questions5.9k
answers7.6k
answered82%
users17k
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Joomla

Joomla
Q&A for Joomla! administrators, users, developers and designers
questions6.9k
answers9.8k
answered88%
users9.7k
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Data Science

Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
questions31k
answers34k
answered66%
users107k
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Puzzling

Puzzling
Q&A for those who create, solve, and study puzzles
questions24k
answers58k
answered99%
users60k
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Craft CMS

Craft CMS
Q&A for administrators, end users, developers and designers for Craft CMS
questions13k
answers16k
answered89%
users9.9k
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Buddhism

Buddhism
Q&A for people practicing or interested in Buddhist philosophy, teaching, and practice
questions7.6k
answers26k
answered99%
users14k
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Hinduism

Hinduism
Q&A for followers of the Hindu religion and those interested in learning more about Hinduism
questions15k
answers16k
answered74%
users19k
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Community Building

Community Building
Q&A for community managers, administrators, and moderators
questions550
answers1.2k
answered96%
users5.5k
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Worldbuilding

Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
questions32k
answers149k
answered100%
users72k
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スタック・オーバーフロー

スタック・オーバーフロー
熱狂的でプロフェッショナルなプログラマーのためのQ&A
questions27k
answers31k
answered76%
users33k
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Emacs

Emacs
Q&A for those using, extending or developing Emacs
questions22k
answers26k
answered77%
users26k
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History of Science and Mathematics

History of Science and Mathematics
Q&A for people interested in the history and origins of science and mathematics
questions3.5k
answers4.7k
answered78%
users12k
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Economics

Economics
Q&A for those who study, teach, research and apply economics and econometrics
questions12k
answers15k
answered79%
users26k
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Lifehacks

Lifehacks
Q&A for people looking to bypass life's everyday problems with simple tricks
questions2.9k
answers11k
answered100%
users26k
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Engineering

Engineering
Q&A for professionals and students of engineering
questions12k
answers17k
answered77%
users31k
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Coffee

Coffee
Q&A for people interested in all aspects of producing and consuming coffee
questions1.3k
answers2.6k
answered95%
users9.3k
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Vi and Vim

Vi and Vim
Q&A for people using the vi and Vim families of text editors
questions12k
answers15k
answered85%
users34k
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Music Fans

Music Fans
Q&A for music historians, critics, and fans
questions3.1k
answers4.1k
answered85%
users11k
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Woodworking

Woodworking
Q&A for professional and amateur woodworkers
questions3.5k
answers6.4k
answered91%
users9.7k
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CiviCRM

CiviCRM
Q&A for administrators and users of the CiviCRM Constituent Relationship Management software
questions14k
answers17k
answered82%
users8.9k
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Medical Sciences

Medical Sciences
Q&A for professionals in medical and allied health fields, students of those professions, related academics, and others with a sound understanding of medicine and healthcare-related sciences
questions7.4k
answers6.2k
answered69%
users18k
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Stack Overflow на русском

Stack Overflow на русском
Вопросы и ответы для программистов
questions393k
answers428k
answered69%
users278k
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Русский язык

Русский язык
Cайт вопросов и ответов для лингвистов и энтузиастов русского языка
questions20k
answers39k
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