Habr
β
How to become an author
My feed
All streams
Development
Admin
Design
Management
Marketing
PopSci
Search
Write a publication
Settings
Login
Pull to refresh
1
0
@PolinaRuRu
Пользователь
Follow
Send message
Profile
Publications
Comments
32
Bookmarks
57
More
Dropdown
Followers
Following
Badges
Habred
Invited
December 25 2017
by invitation from
@habrahabr
Belongs to hubs
Big Data
Data Mining
Java
PostgreSQL
Python
SQL
Algorithms
IT systems testing
Information
Rating
Does not participate
Location
Москва, Москва и Московская обл., Россия
Registered
August 26 2016
Activity
November 7 2019 at 16:58