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Home>Users>François Koessler
François Koessler
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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

3 December 2025
One question per day to improve your general code knowledge!
Today :Objective-C #12/67
Mobile
Objective C
Objective-C
daily challenge
Leaderboard
20points
0
0
2
0
1.
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Emilie80 points
2.
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Melissa Ammiche40 points
3.
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Céleste20 points
4.
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Carmela20 points
5.
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François Koessler (You)20 points
Last leaderboard calculation: on 3 Dec 2025 at 12:41:46