Tom Slabbaert questions

Tom Slabbaert answers

• How to use $mergeObjects to merge arrays corresponding to existing groups?
• MongoDB, change array of objects to an array of strings containing their ObjectId
• Mongo NodeJS project() is not a function
• How to determine how many points a user has collected using aggregate
• Mongoose Schemas and inserting via python
• mongodb query nested array with date field
• Mongoose aggregate to get Average rating, count each rate and return the actual ratings
• CoreMongooseArray to Normal Array
• How to use $elemMatch on aggregate's projection?
• Mongoose: Ensuring array is never larger than a certain number of items