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Building Scalable Apps with Redis and Node.js by Joshua Johanan

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Conventions

In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "Our app.js file kicks off everything that deals with Express."

A block of code is set as follows:

var sayMyName = function(name){
//please don't alert anything
//this is not 1992
alert(name);
}

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

//get the err and data
function(err, data) {
//you have access to data here
var id ...

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