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What I'm trying to solve is: preserving the order of my array of Ids with $in using this sugges… Read more How To Convert Mongo Objectid .tostring Without Including 'objectid()' Wrapper -- Just The Value?

Are there any reliable techniques for storing prototype-based libraries/frameworks in mongoDB's… Read more Techniques For Storing Libraries In Mongodb's System.js

There is a question (and answer) that deals with the general case. I am having difficulty using a s… Read more How To Use Scope Variables As Property Names In A Mongo Map/reduce Emit

I'm trying to count the number of occurrences of a string in an array in my collection using Mo… Read more Mongoose / Mongodb: Count Elements In Array

This is follow up from this question How to merge objects attributes from reduce to rereduce functi… Read more Merging Object's Attribute In Rereduce Function Resulted In Wrong Value Each Time The View Is Created

I'm using a reduce function which loops through my JSON file and sums together key values that … Read more Using Reduce To Loop Through JSON