check_cmd "curl -H \"Content-Type:application/json\" -X POST -d '{\"feed\":[{\"words\": \"i am very sad | 0\"}], \"fetch\":[\"prediction\"]}' http://127.0.0.1:9292/imdb/prediction"
http_code=`curl -H"Content-Type:application/json"-X POST -d'{"feed":[{"words": "i am very sad | 0"}], "fetch":["prediction"]}' http://127.0.0.1:9292/imdb/prediction`
http_code=`curl -H"Content-Type:application/json"-X POST -d'{"feed":[{"words": "i am very sad | 0"}], "fetch":["prediction"]}'-s-w"%{http_code}"-o /dev/null http://127.0.0.1:9292/imdb/prediction`