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What's the $unwind operator in MongoDB?

This is my first day with MongoDB so please go easy with me :) 6 Answers 6 ...
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Fastest way to check if a string is JSON in PHP?

I need a really, really fast method of checking if a string is JSON or not. I feel like this is not the best way: 30 Answer...
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backbone.js - events, knowing what was clicked

In one of my backbone.js view classes, I have something like: 3 Answers 3 ...
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Entity Framework Join 3 Tables

I'm trying to join three tables but I can't understand the method... 2 Answers 2 ...
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]

Given a ['0','1','1','2','3','3','3'] array, the result should be ['0','1','2','3'] . 17 Answers ...
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How to prevent gcc optimizing some statements in C?

In order to make a page dirty (switching on the dirty bit in the page table entry), I touch the first bytes of the page like this: ...
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Compress files while reading data from STDIN

Is it possible to compress (create a compressed archive) data while reading from stdin on Linux? 3 Answers ...
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How to check if a float value is a whole number

I am trying to find the largest cube root that is a whole number, that is less than 12,000. 13 Answers ...
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Adding command line options to CMake

I'm building a large library using CMake, and I would like users to be able to selectively enable/disable certain parts of my build process. ...
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Getting All Variables In Scope

Is there a way to get all variables that are currently in scope in javascript? 10 Answers ...