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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

5 February 2026
One question per day to improve your general code knowledge!
Today :Elasticsearch #18/19
Data
Elasticsearch
Elasticsearch
daily challenge
Leaderboard
50points
1
0
1
0
1.
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Maxime Chenaud545 points
2.
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EL Mostafa Fadili475 points
3.
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Matthieu Sanchez365 points
4.
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Andy340 points
5.
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Ludovic230 points
55.
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François Koessler (You)50 points
Last leaderboard calculation: on 5 Feb 2026 at 01:43:20