Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
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

2 March 2026
One question per day to improve your general code knowledge!
Today :Machine learning - Fundamentals #11/40
Data
Machine Learning
Machine learning - Fundamentals
daily challenge
Leaderboard
60points
1
1
0
0
1.
developer avatar
Maxime Javaux810 points
2.
developer avatar
Maxime Chenaud710 points
3.
developer avatar
EL Mostafa Fadili600 points
4.
developer avatar
Emilie530 points
5.
developer avatar
Matthieu Sanchez455 points
65.
developer avatar
François Koessler (You)60 points
Last leaderboard calculation: on 2 Mar 2026 at 12:42:30