def _save(self, name, content):
        """
        Use the Azure Storage service to write ``content`` to a remote file
        (called ``name``).
        """
        

        content.open()

        content_type = None

        if hasattr(content.file, 'content_type'):
            content_type = content.file.content_type
        else:
            content_type = mimetypes.guess_type(name)[0]

        cache_control = self.get_cache_control(
            self.container,
            name,
            content_type
        )

        self._get_service().put_block_blob_from_file(
            container_name=self.container,
            blob_name=name,
            stream=content,
            x_ms_blob_content_type=content_type,
            cache_control=cache_control,
            x_ms_blob_cache_control=cache_control
        )

        content.close()

        return name