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Showing posts with the label Mapreduce
Techniques For Storing Libraries In Mongodb's System.js

Techniques For Storing Libraries In Mongodb's System.js

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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
Get Document's Placement In Collection Based On Sort Order

Get Document's Placement In Collection Based On Sort Order

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I'm new to MongoDB (+Mongoose). I have a collection of highscores with documents that looks lik… Read more Get Document's Placement In Collection Based On Sort Order
How To Use Scope Variables As Property Names In A Mongo Map/reduce Emit

How To Use Scope Variables As Property Names In A Mongo Map/reduce Emit

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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
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
Mongodb Mapreduce Scope - ReferenceError

Mongodb Mapreduce Scope - ReferenceError

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I'm trying to use an external object inside mongodb map/reduce functions. If the object has a v… Read more Mongodb Mapreduce Scope - ReferenceError
Collect Distinct Field Names At Nested Level With Specific Condition

Collect Distinct Field Names At Nested Level With Specific Condition

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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