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How do I change the UUID of a virtual disk?
... displays an error saying the virtual hard disk cannot be used because the UUID already exists.
9 Answers
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How to create a GUID/UUID using iOS
I want to be able to create a GUID/UUID on the iPhone and iPad.
8 Answers
8
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Can I use a function for a default value in MySql?
...app_users
BEFORE INSERT ON app_users
FOR EACH ROW
SET new.api_key = uuid();
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低功耗蓝牙(BLE)以低功耗、低成本、开发简便逐渐被广泛应用，本文主要介绍一款较...
How to test valid UUID/GUID?
How to check if variable contains valid UUID/GUID identifier?
12 Answers
12
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Searching for UUIDs in text with regex
I'm searching for UUIDs in blocks of text using a regex. Currently I'm relying on the assumption that all UUIDs will follow a patttern of 8-4-4-4-12 hexadecimal digits.
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Generate GUID in MySQL for existing Data?
...RE UPDATE on YourTable
FOR EACH ROW
BEGIN
SET new.guid_column := (SELECT UUID());
END
//
Then execute
UPDATE YourTable set guid_column = (SELECT UUID());
And DROP TRIGGER beforeYourTableUpdate;
UPDATE
Another solution that doesn't use triggers, but requires primary key or unique index :
UP...
Generate a UUID on iOS from Swift
In my iOS Swift app I want to generate random UUID ( GUID ) strings for use as a table key, and this snippet appears to work:
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PHP function to generate v4 UUID
...nd I've been trying to piece together a function that generates a valid v4 UUID in PHP. This is the closest I've been able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a valid v4 UUID up until one area. A v4 UUID ...
How to generate unique ID with node.js
...
Install NPM uuid package (sources: https://github.com/kelektiv/node-uuid):
npm install uuid
and use it in your code:
var uuid = require('uuid');
Then create some ids ...
// Generate a v1 (time-based) id
uuid.v1(); // -> '6c84fb...