{"push_id":723076840,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"222793ffbea3c8550053a69d2ab80b8276b1a7db","before":"4385eb3f2b43452ddd2e4da966782b897fd27de7","commits":[{"sha":"222793ffbea3c8550053a69d2ab80b8276b1a7db","author":{"email":"f005fe8f286c59ff3ecc7e297b9a3d22fc5a6f46@gmail.com","name":"guoqithu10@gmail.com"},"message":"similarity measure.// seems something wrong with the question generation, as it skipped a lot of sentences for \"Random forest\".","distinct":true,"url":"https://api.github.com/repos/imoonkey/eduwiki/commits/222793ffbea3c8550053a69d2ab80b8276b1a7db"}]}