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Home>Users>François Koessler
François Koessler
Contribution
0Contributions
0Contributions played
Tests
2Tests completed
40Questions completed
or
Attended tests
Ruby
12% questions validées
1 test sessionLast activity : Dec 2, 2025
Rails
37% questions validées
1 test sessionLast activity : Dec 2, 2025
Informations
Profession : Back-end 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
30points
0
1
1
0
1.
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Maxime Chenaud410 points
2.
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Andy370 points
3.
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Mathieu Massaviol320 points
4.
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Bastien200 points
5.
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Victor GRANDIN200 points
39.
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François Koessler (You)30 points
Last leaderboard calculation: on 9 Jan 2026 at 12:41:40