There are a number of text conventions used throughout this book.
CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "Now, we will construct the GET URL that we will use to send the data: https://api.thingspeak.com/update?api_key=R9XY4AXEG52DJHIT&field1=25&field2=30."
A block of code is set as follows:
[default]var Protocol = require('azure-iot-device-mqtt').Mqtt;var Client = require('azure-iot-device').Client;var Message = require('azure-iot-device').Message;var async = require('async');
When we wish to draw your attention to a particular part of a code block, the relevant lines or items are ...
