相关疑难解决方法(0)

I want to change the key of an entry in a Python dictionary.

Is there a straightforward way to do this?

我有几个MongoDB文档,其中一个我的字段最好表示为矩阵(numpy数组).我想将此文档保存到MongoDB,我该怎么做？

{
'name' : 'subject1',
'image_name' : 'blah/foo.png',
'feature1' : np.array(...)
}