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C# & Databases - Creating a unique identifer

Creating a new GUID in C# is not as straightforward as one would think. Calling the constructor of System.Guid() will produce a GUID of all zeroes. Using System.Guid.NewGuid() will produce the desired effect of a new, unique identifier. 

// produces a "blank" GUID: '00000000-0000-0000-0000-000000000000'
System.Guid blankGuid = new System.Guid(); 

// produces a new, unique GUID: '96d36892-6eed-400c-91f8-a194f3522fae'
System.Guid desiredGuid = System.Guid.NewGuid();
to c# .net guid unique identifier by Ozymandias on May 10, 2006

String#to_id

Convert any (English) text to a programming-language friendly identifier.

class String
  def to_id
    downcase.gsub(/\W+/, ' ').strip.gsub(' ', '_')
  end
 
  def to_id!
    replace to_id
  end
end
to ruby string identifier by canadaduane on Apr 04, 2006 1 Comments
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