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- glossary - What is a UUID? - Stack Overflow
UUID is the same as GUID (Microsoft) and is part of the Distributed Computing Environment (DCE), standardized by the Open Software Foundation (OSF) As mentioned, they are intended to have a high likelihood of uniqueness over space and time and are computationally difficult to guess
- 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
- What kind of data can you extract from a UUID? - Stack Overflow
The OSSP uuid tool can decode UUIDs of all versions On Debian-based Linux systems you can use apt-get install uuid to install it; for other distributions, the package name might be different To decode a UUID, use the -d (decode) flag: uuid -d AAAAAAAA-BBBB-CCCC-DDDD-FFFFFFFFFFFF For version 1 UUIDs, this gives the MAC address and timestamp -- since that's what's in a v1 uuid
- Generating v5 UUID. What is name and namespace?
The generated type 3 or type 5 UUID holds a (partial) hash of the namespace id and name-within-namespace (key) It no more holds the namespace UUID than does a message MAC hold the contents of the message it is encoded from The name is an "arbitrary" (octet) string from the perspective of the uuid algorithm
- Is there any difference between a GUID and a UUID?
Reserved, Microsoft Corporation backward compatibility Reserved for future definition According to RFC 4122, all UUID variants are "real UUIDs", then all GUIDs are real UUIDs To the literal question "is there any difference between GUID and UUID" the answer is definitely no for RFC 4122 UUIDs: no difference (but subject to the second part below)
- When should I use uuid. uuid1 () vs. uuid. uuid4 () in python?
Here is an alternative approach to UUID Though the chance of collision is infinitesimal UUID doesn't guarantee uniqueness To guarantee the uniqueness you may want to use compound key as [<system id>,<local id>] Each system participating in data sharing must have its own unique ID of the system either assigned during system set-up or obtained from a common pool of IDs Local id is a unique
- Which UUID version to use? - Stack Overflow
Which version of the UUID should you use? I saw a lot of threads explaining what each version entails, but I am having trouble figuring out what's best for what applications
- random - Efficient method to generate UUID String in Java (UUID . . .
UUID is a good candidate but UUID randomUUID() toString() generates stuff like 44e128a5-ac7a-4c9a-be4c-224b6bf81b20 which is good, but I would prefer dash-less string I'm looking for an efficient way to generate a random strings, only from alphanumeric characters (no dashes or any other special symbols)
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