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How are GUIDs generated in C#?
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c is called the source file which keeps the code of the program. Now, when we compile the file, the C compiler looks for errors. If the C compiler reports no error, then it stores the file as a . obj file of the same name, called the object file.
%d is used to print decimal(integer) number ,while %c is used to print character . If you try to print a character with %d format the computer will print the ASCII code of the character.
C is a structured, procedural programming language that has been widely used both for operating systems and applications and that has had a wide following in the academic community. Many versions of UNIX-based operating systems are written in C.
C is a general-purpose language that most programmers learn before moving on to more complex languages. From Unix and Windows to Tic Tac Toe and Photoshop, several of the most commonly used applications today have been built on C. It is easy to learn because: A simple syntax with only 32 keywords.
There's a really good article on Raymond Chen's blog that describes how GUIDs are generated, and in particular why a substring of a guid is not guaranteed to be unique.
Basically, a a GUID is generated using a combination of:
However, this is only 1 particular algorithm used for generating GUIDs (although I believe it's the one used by the .NET framework), and is not the one used by the .NET framework.
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The algorithm is documented here as Globally unique identifier
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