Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
Home>Users>Jonathan Hartz
Jonathan Hartz
Contribution
0Contributions
0Contributions played
Tests
5Tests completed
220Questions completed
or
Attended tests
PHP
42% questions validées
8 test sessionsLast activity : Dec 2, 2025
Symfony
16% questions validées
2 test sessionsLast activity : Nov 19, 2025
Next JS
27% questions validées
1 test sessionLast activity : Nov 19, 2025
Informations
Profession : Full stack developerFavorite technologies

Daily Challenge

9 January 2026
One question per day to improve your general code knowledge!
Today :Ruby on Rails #3/15
Back-end
Rails
Ruby on Rails
daily challenge
Leaderboard
20points
0
1
0
0
1.
developer avatar
Maxime Chenaud420 points
2.
developer avatar
Andy350 points
3.
developer avatar
Mathieu Massaviol280 points
4.
developer avatar
Bastien200 points
5.
developer avatar
Victor GRANDIN200 points
73.
developer avatar
Jonathan Hartz (You)20 points
Last leaderboard calculation: on 10 Jan 2026 at 01:41:20