mongo db find one code example

Example 1: mongodb findone

itemsCollection.findOne(query, projection)
  .then(result => {
    if(result) {
      console.log(`Successfully found document: ${result}.`);
    } else {
      console.log("No document matches the provided query.");
    }
    return result;
  })
  .catch(err => console.error(`Failed to find document: ${err}`));

Example 2: pymongo find one

>>> import pprint
>>> pprint.pprint(posts.find_one())
{u'_id': ObjectId('...'),
 u'author': u'Mike',
 u'date': datetime.datetime(...),
 u'tags': [u'mongodb', u'python', u'pymongo'],
 u'text': u'My first blog post!'}

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Misc Example