I also have a blog about Code, the Web and Cyberculture and a career profile on Stackoverflow.
My interests are mainly machine-learning, neural-networks, data-analysis.
Stack Overflow
Q&A for professional and enthusiast programmers
Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Mathematics
Q&A for people studying math at any level and professionals in related fields
Information Security
Q&A for information security professionals
Super User
Q&A for computer enthusiasts and power users
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Software Recommendations
Q&A for people seeking specific software recommendations
Computer Science
Q&A for students, researchers and practitioners of computer science
German Language
Q&A for speakers of German wanting to discuss the finer points of the language and translation
Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
Biology
Q&A for biology researchers, academics, and students
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Academia
Q&A for academics and those enrolled in higher education
Code Review
Q&A for peer programmer code reviews
Artificial Intelligence
Q&A for people interested in conceptual questions about life and challenges in a world where "cognitive" functions can be mimicked in purely digital environment
Physics
Q&A for active researchers, academics and students of physics
Travel
Q&A for road warriors and seasoned travelers
Personal Finance & Money
Q&A for people who want to be financially literate
Engineering
Q&A for professionals and students of engineering
Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Movies & TV
Q&A for movie and TV enthusiasts
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Politics
Q&A for people interested in governments, policies, and political processes
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Web Applications
Q&A for power users of web applications
Open Data
Q&A for developers and researchers interested in open data
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
The Great Outdoors
Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment
History
Q&A for historians and history buffs
English Language Learners
Q&A for speakers of other languages learning English
Hardware Recommendations
Q&A for people seeking specific hardware recommendations
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
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
Bitcoin
Q&A for Bitcoin users, developers, and enthusiasts
MathOverflow
Q&A for professional mathematicians
Server Fault
Q&A for system and network administrators
Spanish Language
Q&A for linguists, teachers, students and Spanish language enthusiasts in general wanting to discuss the finer points of the language
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
Photography
Q&A for professional, enthusiast and amateur photographers
Psychology & Neuroscience
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Open Source
Q&A for people organizing, marketing or licensing open source development projects
Arqade
Q&A for passionate videogamers on all platforms
WordPress Development
Q&A for WordPress developers and administrators
User Experience
Q&A for user experience researchers and experts
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Sound Design
Q&A for sound engineers, producers, editors, and enthusiasts
Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Portuguese Language
Q&A for linguists, teachers and learners wanting to discuss the finer points of the Portuguese language
Home Improvement
Q&A for contractors and serious DIYers
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Area 51
Q&A for proposing new sites in the Stack Exchange network
Economics
Q&A for those who study, teach, research and apply economics and econometrics
Robotics
Q&A for professional robotic engineers, hobbyists, researchers and students
Stellar
Q&A for developers and users of Stellar and the Stellar Distributed Exchange
Philosophy
Q&A for those interested in the study of the fundamental nature of knowledge, reality, and existence
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Writing
Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing
Earth Science
Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences
Mathematica
Q&A for users of Wolfram Mathematica
Seasoned Advice
Q&A for professional and amateur chefs
Video Production
Q&A for engineers, producers, editors and enthusiasts spanning the fields of video and media creation
Computational Science
Q&A for scientists using computers to solve scientific problems
Ethereum
Q&A for users of Ethereum, the decentralized application platform and smart contract enabled blockchain
The Workplace
Q&A for members of the workforce navigating the professional setting
DevOps
Q&A for software engineers working on automated testing, continuous delivery, service integration and monitoring, and building SDLC infrastructure
Music: Practice & Theory
Q&A for musicians, students, and enthusiasts
Network Engineering
Q&A for network engineers
Internet of Things
Q&A for builders and users of networked sensors and control devices in the contexts of smart homes, industry automation, or environmental sensors
Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
Computer Graphics
Q&A for computer graphics researchers and programmers
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
Project Management
Q&A for project managers
Lifehacks
Q&A for people looking to bypass life's everyday problems with simple tricks
Game Development
Q&A for professional and independent game developers
Bricks
Q&A for LEGO® and building block enthusiasts
Tor
Q&A for researchers, developers, and users of Tor
Ask Different
Q&A for power users of Apple hardware and software
Sustainable Living
Q&A for folks dedicated to a lifestyle that can be maintained indefinitely without depleting available resources
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Beer, Wine & Spirits
Q&A for alcoholic beverage aficionados and those interested in beer, wine, or spirits
Ask Patents
Q&A for people interested in improving the patent system
CS50
Q&A for students of Harvard University's CS50
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles