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Showing posts with the label Mapreduce

How To Process A List Of Complex Data Structures

In High Charts i have an array as follows, But if i try to set extremes of the chart by returning t… Read more How To Process A List Of Complex Data Structures

Collect Distinct Field Names At Nested Level With Specific Condition

I have problem statement, in which i need all the field names at child level of 'config.first.… Read more Collect Distinct Field Names At Nested Level With Specific Condition

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

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

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

How To Convert Mongo Objectid .tostring Without Including 'objectid()' Wrapper -- Just The Value?

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?

Using Reduce To Loop Through Json

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

Techniques For Storing Libraries In Mongodb's System.js

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

Dc.js: Stacked Area Chart Using Reducecount Method

I'm fairly new to the dc.js/crossfilter/d3 trifecta, and have a question about grouping variabl… Read more Dc.js: Stacked Area Chart Using Reducecount Method