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DarrenN/shortid.rb

Created November 20, 2011 18:02
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Short unique ID (Ruby)
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shortid.rb
t = DateTime
id = t.now.strftime("%Y%m%d%k%M%S%L") # Get current date to the milliseconds
id = id.to_i.to_s(36) # will generate somthing like "5i0sp1h4tkc"
# Reverse it
id.to_i(36)
@Hungor
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Hungor commented Jul 3, 2018

Thanks for this

Based on this, I use the follow line, which I think is more precise due to the addition of sprintf.

id = sprintf("%20.10f", Time.now.to_f).delete('.').to_i.to_s(36)

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