I'm using mongo 2.2.3 and the java driver. My dilemma, I have to $push a field and value into an array, but I cant seem to figure out how to do this. A sample of my data: "_id" : 1, "scores" : [ ...

I have a users table/collection and would like to upsert a user - update a user if exists or add a new one if still not exists. Structure below. By "exists", I mean having some external ID. In thi...

Annotations in Kotlin can have different use-site targets as explained here: https://kotlinlang.org/docs/reference/annotations.html#annotation-use-site-targets My question is: When use-site is not...