sudo pkill python

IPython Notebook error: Error loading notebook #9163

cd $(jupyter --data-dir)
mv nbsignatures.db nbsignatures.db.bak   # Or just rm it - there's probably no use keeping the corrupt file

pickle.dump(output_dict, open("output_dict.txt", "wb"))

# -*- coding: utf-8 -*-
 
import pickle
# 也可以这样：
# import cPickle as pickle
 
obj = {"a": 1, "b": 2, "c": 3}
 
# 将 obj 持久化保存到文件 tmp.txt 中
pickle.dump(obj, open("tmp.txt", "w"))
 
# do something else ...
 
# 从 tmp.txt 中读取并恢复 obj 对象
obj2 = pickle.load(open("tmp.txt", "r"))
 
print obj2

import json
class MyEncoder(json.JSONEncoder):
    def default(self, obj):
        if isinstance(obj, numpy.integer):
            return int(obj)
        elif isinstance(obj, numpy.floating):
            return float(obj)
        elif isinstance(obj, numpy.ndarray):
            return obj.tolist()
        else:
            return super(MyEncoder, self).default(obj)

return json.dumps(data, cls=MyEncoder)