Abhinav Mishra abhinavmsra

## money_best_practices.md

      
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                Tips for Money Related Arithmetic in Ruby
              
          
    Tips for Money Related Arithmetic in Ruby


Never use float for performing arithmetic calculations relating to money.
Floating numbers can sometimes show funky behaviour. It is not Ruby’s fault but
the very implementation of floating numbers raises precision issues.


Examples of odd behaviour:


## commands.sh
cd /etc/init.d
./ror_start_up.sh //filename may differ

## ruby_strings.rb
require 'benchmark'

iterations = 100_000

puts 'With Static Strings'
puts '======================================================'
Benchmark.bm do |bm|
  bm.report('joining an array of strings') do
    iterations.times do
      ['Testing', 'String', 'Operations', 'in', 'Ruby'].join(' ')
	require 'benchmark'

	iterations = 100_000

	puts 'With Static Strings'
	puts '======================================================'
	Benchmark.bm do \|bm\|
	bm.report('joining an array of strings') do
	iterations.times do
	['Testing', 'String', 'Operations', 'in', 'Ruby'].join(' ')