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BeagleBone Home Automation Blueprints by Rodolfo Giometti

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Conventions

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

Codes and command lines

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "To get the preceding kernel messages, we can use both the dmesg and tail -f /var/log/kern.log commands."

A block of code is set as follows:

CREATE TABLE status (
   n VARCHAR(64) NOT NULL,
   v VARCHAR(64) NOT NULL,
   PRIMARY KEY (n)
) ENGINE=MEMORY;

Any command line input or output given on the BeagleBone Black is written as follows:

root@beaglebone:~# make CFLAGS="-Wall -O2" helloworldcc ...

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