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You can use GUID codes as serial numbers for Windows & Mac software, or coupon codes for your online stores, etc.
GUIDs are usually stored as 128-bit values, and are commonly displayed as 32 hexadecimal digits with groups separated by hyphens, such as {342AF898-112B-3D49-9E79-15501469165A}.
GUID versions have different uniqueness properties and probabilities, ranging from guaranteed uniqueness to likely non-uniqueness.
GUIDs are a very useful tool for your web and application developers.
A short identifier can be created by applying a modified version of base 36 or base 64 encoding.
Both terms apply to the same technical definition as that described in specification RFC 4122.
Using Microsoft technologies, the term GUID is commonly used most among developers.
UUID is an acronym for 'Universally Unique Identifier'.
GUID is an acronym for 'Globally Unique Identifier'.
Programming without an overall architecture or design in mind is like exploring a cave with only a flashlight: You don’t know where you’ve been, you don’t know where you’re going, and you don’t know quite where you are.
Danny Thorpe
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