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Jon
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Tests
7Tests completed
470Questions completed
or
Attended tests
Java
38% questions validées
17 test sessionsLast activity : Dec 26, 2025
Docker
10% questions validées
1 test sessionLast activity : Mar 18, 2024
Spring
8% questions validées
1 test sessionLast activity : Mar 15, 2024
SQL
21% questions validées
1 test sessionLast activity : Nov 29, 2023
Informations
Profession : Web 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
1.
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Maxime Chenaud420 points
2.
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Andy350 points
3.
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Mathieu Massaviol280 points
4.
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Victor GRANDIN220 points
5.
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Bastien200 points
101.
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Jon (You)0 points
Last leaderboard calculation: on 10 Jan 2026 at 12:41:47