統計
Comment on a problem or solution
Awarded to Julian Hapke on 21 Sep 2021
Your submissions received 1 five star rating
Awarded to Julian Hapke on 28 Sep 2020
Publish your first review
Awarded to Julian Hapke on 09 Oct 2019
Publish your first submission
Awarded to Julian Hapke on 09 Oct 2019
Like a problem or solution
Awarded to Julian Hapke on 08 Oct 2018
Solve a problem for the first time
Awarded to Julian Hapke on 08 Feb 2018
Contribute at least one answer each month for 3 consecutive months
Awarded to Julian Hapke on 20 Jul 2017
Accept 1 answer given by other contributors
Awarded to Julian Hapke on 20 Jul 2017
Answer 3 questions that were unanswered for more than 30 days
Awarded to Julian Hapke on 20 Jul 2017
3 of your answers have been accepted
Awarded to Julian Hapke on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Julian Hapke on 20 Jul 2017
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