uniqueidentifier Questions
2
Solved
Say I have this guid:
{2A87E3E2-2B6A-4149-9F5A-1B76092843D9}
Does it actually store this an an alpha numeric in the database? (I don't think so cause it has to fit in 16 bytes.)
If it does not, ...
Quinnquinol asked 4/8, 2011 at 17:28
14
Solved
I'm developing some desktop software for a client to resell. The client wants to restrict the software so that the registration code will be specific to one and only one computer.
Besides using th...
Contrayerva asked 23/3, 2009 at 0:19
1
Solved
I have heard stories where UIDevice.identifierForVendor changed during an app update from App Store.
This answer goes like "...There was a bug affecting the calculation of identifierForVendor when...
Necessary asked 8/1, 2018 at 15:41
11
Solved
I'm looking for the best way to create a unique ID as a String in Java.
Any guidance appreciated, thanks.
I should mention I'm using Java 5.
Leavening asked 7/9, 2009 at 14:48
2
Solved
Background
Suppose I have a RecyclerView, which has items that can only be unique if you look at 2 ids they have, but not just one of them.
The first Id is the primary one. Usually there aren't 2...
Jobye asked 15/11, 2017 at 8:10
2
Is there any way which I can get some specific identifier/serial number of current SD Card in Android devices programmatically?
Chrisoula asked 30/1, 2012 at 11:31
4
Solved
I am developing a system which will be able to create structured report for PACS.
Obviously in order to create a DICOM instance (file containing Report data), I need three UIDs for Study, Series a...
Nievesniflheim asked 24/4, 2012 at 10:5
5
Solved
Background
I'm trying to get obtain a unique identifier out of a computer and want to be able to reliably return the same MAC address each time. Trust me I have my reasons for using MAC address an...
Equerry asked 14/10, 2009 at 16:13
4
I need to recognize users with specific apk build. This build has some features comparing to normal apk (like some functions are PRO at start).
build for GooglePlay------>
----> next versi...
Herbivore asked 11/8, 2017 at 11:39
6
What can be the best algorithm to generate a unique id in C++?
The length ID should be a 32 bit unsigned integer.
Aztec asked 1/1, 2010 at 14:5
3
Solved
I'm trying to find the guaranteed unique identifier to distinguish emails from each other. Currently, I am writing an application which connects to Microsoft Exchange, however I want to be able to ...
Lawler asked 6/8, 2012 at 20:41
4
Solved
This code doesn't work for MySQL 5.0, how to re-write it to make it work
DELETE FROM posts where id=(SELECT id FROM posts GROUP BY id HAVING ( COUNT(id) > 1 ))
I want to delete columns that d...
Gudrunguelderrose asked 30/12, 2010 at 13:1
1
Solved
Is there a searchable, unique identifier (i.e., key, uid, etc... - pardon the likely butchering of proper terms) to differentiate between ob1 and ob2 in this example?
var makeObject = function() {...
Alcoholometer asked 7/2, 2017 at 0:20
4
I was going through Id generation section of the Hibernate reference guide and "java persistence with Hibernate"
There are quite a few options available with Hibernate and JPA combined.
I was loo...
Moan asked 6/4, 2012 at 9:58
4
Solved
I'm looking for a way to get a number which will almost surely change when running the code on different machines and almost surely stay the same between two runs on the same machine.
If I were do...
Iritis asked 31/5, 2013 at 13:44
8
Solved
I am developing an iOS app which calls web-service for login and at that time i send login credentials to web server along with vendor identifier (identifierForVendor),to identify device uniquely f...
Airway asked 19/2, 2014 at 11:1
6
Solved
I need to generate unique ID's for my application. When I used (UUID.randomUUID()).toString(), I am getting a code (thinking this will be unique), which is very lengthy.
I am not sure how unique i...
Noctambulous asked 30/1, 2012 at 7:1
2
I want to use System.Guid type as an id for all of my tables in asp.net web api application. But I also use Asp.net Identity, which using a string-type id (to store guids as well). So I wonder why ...
Tarsia asked 4/5, 2015 at 11:37
2
Solved
I'm trying to set a personalized string as Primary Key using Code First Entity Framework.
I have a helper with a function that returns a n-chars random string, and I want to use it to define my Id...
Diaconicum asked 23/9, 2016 at 14:46
3
I have been using SSKeychain open source library for storing the data securely in my iOS app. Yesterday, I face an issue: SSKeychain wasn't able to retain its data when I updated my app from v1.0 t...
Stenotype asked 7/2, 2014 at 12:47
11
Solved
I'd like to get an id unique to a computer with Java, on Windows, MacOS and, if possible, Linux. It could be a disk UUID, motherboard S/N...
Runtime.getRuntime().exec can be used (it is not an app...
Sidwel asked 31/12, 2009 at 19:15
4
I have data in which the combination of two variables ("ManufactererId" and "ProductId") constitute unique keys / identifiers. The data looks like this:
my.data <- data.frame(ManufactererId = c...
Wilda asked 20/3, 2016 at 10:50
2
I am seeking a means of securely identifying a mobile device using a unique identifier. Every time I install my app on a specific device, I should get the same unique identifier. This identifier wi...
Laubin asked 11/8, 2015 at 4:34
4
Solved
Quite new to this so I hope I have the terminology in the title right.
I am trying to figure out how to create an instance method that will do the following:
--An ID number is returned.
--As eac...
Hamel asked 17/2, 2016 at 15:58
3
Solved
How can I cast the result of an ExecuteScalar command to a GUID structure without first using .ToString() to pass to the constructor of the GUID?
The reason for doing this is performance and not c...
Harewood asked 10/1, 2011 at 16:10
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