twitter: @yinquanteo

github: github.com/yinquanteo

url: yinquanteo.com

>> 1_000     # => 1000
>> 1_000_000 # => 1000000
    

x 
# NameError: undefined local variable or method `x'

if false
  x = 5
end
x # => nil  

gem 'turnout'

rake maintenance:start

rake maintenance:start reason="be back in a jiffy"

def deliver_email
  # ...
  
  retries = 0
  begin
    new_mail.deliver
  rescue Timeout::Error => e
    if retries < 5 
      retries += 1
      sleep (2 ** retries)
      retry
    else
      raise
    end 
  end 
end
      

https://github.com/nfedyashev/retryable

def deliver_email
  # ...
  
  retryable(tries: 5, sleep: lambda {|n| 2**n}, on: Timeout::Error) do
    new_mail.deliver
  end
end
      

Demo