Habr
β
How to become an author
My feed
All streams
Development
Admin
Design
Management
Marketing
PopSci
Search
Settings
Login
Pull to refresh
0
0
Качалов Андрей
@ViolentOr
User
Profile
Publications
Comments
20
Bookmarks
4
More
Dropdown
Followers
2
Following
4
Invited
April 2 2009
by invitation from
@persei
Belongs to hubs
.NET
Accessibility
API
ASP
Big Data
C#
Cisco
Data Mining
DIY
DNS
Google Chrome
Growth Hacking
GTD
IIS
IT-companies
IT Standards
Microsoft SQL Server
R
Usability
System Analysis and Design
Show more
Subscribed to companies
BI.ZONE
Company
Positive Technologies
Company
Яндекс
Как мы делаем Яндекс
Information
Rating
Does not participate
Location
Москва, Москва и Московская обл., Россия
Date of birth
May 11 1988
Registered
April 2 2009
Activity
June 4 2019 at 17:59