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

5 December 2025
One question per day to improve your general code knowledge!
Today :Machine Learning Algorithms #29/55
Data
Machine Learning
Machine Learning Algorithms
daily challenge
Leaderboard
20points
0
0
2
0
1.
developer avatar
Emilie80 points
2.
developer avatar
Melissa Ammiche60 points
3.
developer avatar
Marcus Simpson40 points
4.
developer avatar
Céleste40 points
5.
developer avatar
sonia40 points
13.
developer avatar
François Koessler (You)20 points
Last leaderboard calculation: on 5 Dec 2025 at 12:42:45