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SQL
34% questions validées
3 test sessionsLast activity : Mar 29, 2026
Elasticsearch
15% questions validées
1 test sessionLast activity : Mar 29, 2026
Python
1% questions validées
1 test sessionLast activity : Mar 29, 2026
Database
17% questions validées
1 test sessionLast activity : Mar 28, 2026
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Daily Challenge

30 March 2026
One question per day to improve your general code knowledge!
Today :Ruby on Rails #5/15
Back-end
Rails
Ruby on Rails
daily challenge
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Olivier Bretaud80 points
Last leaderboard calculation: on 30 Mar 2026 at 06:43:41