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Showing posts with the label Mapreduce
Calculate Average Of Duplicates In A Javascript Array Of Objects

Calculate Average Of Duplicates In A Javascript Array Of Objects

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I have an array of objects: [ {'market': 'Qacha's nek','commodity': 55,… Read more Calculate Average Of Duplicates In A Javascript Array Of Objects
Mongoose / Mongodb: Count Elements In Array

Mongoose / Mongodb: Count Elements In Array

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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
Using Reduce To Loop Through Json

Using Reduce To Loop Through Json

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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
Merging Object's Attribute In Rereduce Function Resulted In Wrong Value Each Time The View Is Created

Merging Object's Attribute In Rereduce Function Resulted In Wrong Value Each Time The View Is Created

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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
Mongodb Query To Remove Duplicate Documents From A Collection

Mongodb Query To Remove Duplicate Documents From A Collection

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I take data from a search box and then insert into MongoDB as a document using the regular insert q… Read more Mongodb Query To Remove Duplicate Documents From A Collection
Accessing Mongodb's Object From Mapper (mapreduce)

Accessing Mongodb's Object From Mapper (mapreduce)

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I have an extra question based on the one I asked before: calculate frequency using mongodb aggrega… Read more Accessing Mongodb's Object From Mapper (mapreduce)