Stefan

Stefan has asked 28 questions and find answers to 434 problems.

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Ruby developer from Bremen

Stefan questions

How to create a "clone"-able enumerator for external iteration?
How to separate a heredoc from other key-value pairs in a hash literal in Ruby?
Count how many times a method can be called until it returns nil
How do I find a method's nesting in Ruby?
How to deal with keyword arguments that happen to be keywords in Ruby?
How to determine the class a method was defined in?
How to check for database changes of in-memory records?
How to check if a value is valid input for Integer(), Float() or Rational()?
How to get the nth element of an Enumerable in Ruby
Regular expression matching emoji in Mac OS X / iOS

Stefan answers

how to break chain with yield_self
difference between %{count} and %<count>s in validation message
Ruby: Convert Constant to String
How to write a guard clause with multiple conditions in Ruby?
erb how to loop on array
Rails - Convert time to string
Find if all letters in a string are unique
How to capture some special key presses for Ruby input prompt in Terminal (and let others through normally)
ruby on rails, colon at back or front of variables
Validation just for new records