When comparing CareerCup vs exercism.org, the Slant community recommends exercism.org for most people. In the question“What are the best coding challenge sites?” exercism.org is ranked 1st while CareerCup is ranked 17th. The most important reason people chose exercism.org is:
Rather than merely test for code correctness, Exercism uses peer review to improve general programming techniques. Users are encouraged to comment on others' solutions, and refine their own based on feedback.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Large number of questions and challenges
CareerCup was founded in 2005 and it has been popular for a lot of time. During this time users have been posting a lot of questions and challenges and as a result have created one of the largest databases of interview questions.
Pro Real-world interview questions
CarerrCup is more of a discussion forum on which people post real-world interview questions from real tech companies. As such it's a powerful tool for preparing for interviews and real problems that people may find.
Pro Human review and feedback
Rather than merely test for code correctness, Exercism uses peer review to improve general programming techniques. Users are encouraged to comment on others' solutions, and refine their own based on feedback.
Pro Practice with production tools
Unlike many code practice websites, Exercism requires the user to develop and test entirely offline, submitting only the finished code. This promotes familiarity with essential tools and workflow, not just the bare language.
Cons
Con Custom commandline client
Exercism requires using a CLI utility to fetch and submit exercises. This is inconvenient compared to web-only alternatives, and poses an additional barrier to entry for some users.