It's using a shorter way of sprintf.
>> i = 5.546
=> 5.546
>> ("%.2f" % i).to_f
=> 5.55
the .2 says 2 points after the decimal point.
If you want you can wrap it up in method and extend the Float class.
Friday, January 18, 2008
How to round a float number after the decimal point in Ruby
This the best way I found to do this in Ruby:
It's using a shorter way of sprintf.
the .2 says 2 points after the decimal point.
If you want you can wrap it up in method and extend the Float class.
It's using a shorter way of sprintf.
the .2 says 2 points after the decimal point.
If you want you can wrap it up in method and extend the Float class.
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1 comments:
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