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- What exactly is GUID? Why and where I should use it?
GUID technically stands for globally unique identifier What it is, actually, is a 128 bit structure that is unlikely to ever repeat or create a collision If you do the maths, the domain of values is in the undecillions Use guids when you have multiple independent systems or clients generating ID's that need to be unique For example, if I have 5 client apps creating and inserting
- Is there any difference between a GUID and a UUID?
9 GUID has longstanding usage in areas where it isn't necessarily a 128-bit value in the same way as a UUID For example, the RSS specification defines GUIDs to be any string of your choosing, as long as it's unique, with an "isPermalink" attribute to specify that the value you're using is just a permalink back to the item being syndicated
- javascript - How do I create a GUID UUID? - Stack Overflow
How do I create GUIDs (globally-unique identifiers) in JavaScript? The GUID UUID should be at least 32 characters and should stay in the ASCII range to avoid trouble when passing them around I'm
- Generate Globally Unique Identifier (GUID) in Windows
It's nearly impossible for the numbers generated for the GUID to have two numbers repeated making them unique For more information about GUID, see: GUID structure (Windows) Universally unique identifier - Wikipedia This tutorial will show you how to quickly generate a new Globally Unique Identifier (GUID) in Windows 7, Windows 8 1, and Windows 10
- When is new Guid() 00000000-0000-0000-0000-000000000000,when not?
System Guid is a struct, not a class This means that its parameterless constructor cannot do any work, and so, new Guid() == default The default value for structs is all members set to default values In the case of Guid, it is a bunch of numbers, so its visual representation ends up all zeros To create a Guid with an actual value, you need to call the Guid NewGuid() static method This
- C# how to create a Guid value? - Stack Overflow
One field of our struct is Guid type How to generate a valid value for it?
- Is a GUID unique 100% of the time? [closed] - Stack Overflow
A GUID is microsoft's specifica implementation of the UUID standard So, it's both Globally unique ID vs Universally unique ID
- c# - What is the default value for Guid? - Stack Overflow
The default value for int is 0 , for string is "" and for boolean it is false Could someone please clarify what the default value for guid is?
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