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    Answers and rating deltas for
    MongoDB. How to project subdocuments in array if a key exists?
| Author | Votes | Δ | 
|---|---|---|
| Ravi Shankar Bharti | 1 | +2.06 | 
| thammada.ts | 0 | -2.06 | 
Last visited: Oct 18, 2020, 5:58:00 PM