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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> | |
<html> | |
<head> | |
<meta http-equiv="content-type" | |
content="text/html; charset=ISO-8859-1"> | |
<title>Fourier Transform in JavaScript</title> | |
<meta name="keywords" | |
content="graph, graphs, graphing, JavaScript, DHTML, Clymer, function, functions, Fourier, Fourier transform, FFT"> | |
<style type="text/css" media="screen"></style> | |
</head> |
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// suggested shell cmd line to run this: | |
// | |
// mongo --shell example2.js | |
// | |
// Note: the { out : … } parameter is for mongodb 1.8+ | |
db.things.insert( { _id : 1, tags : ['dog', 'cat'] } ); | |
db.things.insert( { _id : 2, tags : ['cat'] } ); | |
db.things.insert( { _id : 3, tags : ['mouse', 'cat', 'dog'] } ); | |
db.things.insert( { _id : 4, tags : [] } ); |