Conventions used

There are a number of text conventions used throughout this book.

Code in text: 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: “It will create a Fizzbuz_02 object in memory, call the method, and expect the output.”

A block of code is set as follows:

if !defined?(count_to) or count_to<1
  puts "Use: FizzBuzz01.rb (count)\n"
  puts "Where count is a round number of value one or higher"
  abort("");
end

Any command-line input or output is written as follows:

Finished in 0.001213s, 2473.2069 runs/s, 2473.2069 assertions/s.
3 runs, 3 assertions, 0 failures, 0 errors, 0 skips

Bold: Indicates a new term, an important word, or words that you see onscreen. For instance, words in menus or dialog boxes appear in bold. Here is an example: “ All the test does is go to Excelon Development’s main page, then click on Consulting, then Contact Us, and fill in the Contact Us form”

Tips or important notes

Appear like this.