uniqueidentifier Questions
1
Solved
A Set is great for avoiding duplicates, unions, and other operations. However, objects shouldn't be Hashable because the changes in the object will cause duplicates in a Set.
There is a List in S...
Vesicate asked 19/5, 2020 at 13:25
8
Solved
My Rails app needs to generate electronic coupons for users. Each coupon given should have a unique coupon code that can be redeemed on our system.
For example a coupon for a free burrito. User A ...
Loreanloredana asked 11/3, 2014 at 18:16
4
Solved
Android 4.4 introduced Host-based Card Emulation (HCE). As you know, all NFC cards come with a fixed card ID (NfcAdapter.EXTRA_ID).
My office door access usually detects the NFC card ID for the a...
Milzie asked 4/11, 2013 at 9:6
4
I have a card reader that always report 64 bits, and can read cards with 4 or 7 byte UIDs.
As an example, I see it can report:
04-18-c5-82-00-00-00-00 - a 4-byte UID in the form uid0-uid1-uid2-u...
Cornetist asked 15/6, 2016 at 14:2
5
Solved
I know there are a number of similar questions in stackoverflow such as the followings:
What's a good way to uniquely identify a computer?
What is a good unique PC identifier?
Unique computer id ...
Bunde asked 28/2, 2012 at 12:52
4
Solved
Using SQL Server 2005 how do I get the below statement or rather the output as i want it to be.
SELECT Id 'PatientId',
ISNULL(ParentId,'') 'ParentId'
FROM Patients
ParenId is a uniqueidentifier...
Allbee asked 29/3, 2012 at 10:17
7
Solved
I am a student at university and our task is to create a search engine. I am having difficulty generating a unique id to assign to each url when added into the frontier. I have attempted using the ...
Scrivens asked 3/7, 2012 at 14:33
7
Solved
I'm looking to use some sort of unique identifier within a .resx file but it does not allow the key to begin with a number. Rather than cycling through GUIDs until I get one that starts with a lett...
Ostiole asked 5/9, 2013 at 20:48
3
Solved
identifierForVendor is not supposed to change on reinstall of app:
The value in this property remains the same while the app (or another
app from the same vendor) is installed on the iOS device...
Journey asked 17/6, 2015 at 2:44
3
Solved
I have a requirement to include NFC Card reader to read associate ID to authenticate the user for a web app displayed in a touch screen.
Is it possible to use SCM NFC reader module for a web-based...
Frankly asked 4/4, 2014 at 10:58
8
Solved
what's the equivalent of this function in javascript:
http://php.net/manual/en/function.uniqid.php
Basically I need to generate a random ID that looks like: a4245f54345 and starts with a alphabet...
Jota asked 2/2, 2011 at 8:51
3
Solved
I want to encode two large integers of possibly different maximum bit lengths into a single integer. The first integer is signed (can be negative) whereas the second is unsigned (always non-negativ...
Jackjackadandy asked 12/1, 2019 at 22:9
7
Solved
I am working on PHP and database MySQL. I have two tables in SQL Server 2005 and I want to move them into MySQL.
These two tables contain fields with Unique Identifier and MySQL doesn't have a Uni...
Naissant asked 2/4, 2012 at 8:49
2
I'm looking for something that allow me to get devices (pc, Mac, phone and tablet) unique id like a MAC address can be.
I need to track all logins into a protected area but i'm unable to find an u...
Rodmur asked 7/2, 2019 at 17:53
5
Solved
I want to generate 64 bits long int to serve as unique ID's for documents.
One idea is to combine the user's ID, which is a 32 bit int, with the Unix timestamp, which is another 32 bits int, to fo...
Tranquilize asked 24/8, 2010 at 3:22
9
Solved
I need a quick and easy way to store files with unique file names on iOS. I need to prefix the file with a string, and then append the generated unique identifier to the end. I was hoping NSFileMan...
Mckinney asked 13/10, 2011 at 19:11
3
Solved
I'm trying to add a custom property which is a guid, but it gives me this error:
System.InvalidCastException: Failed to
convert parameter value from a String
to a Guid. --->
System.InvalidCas...
Daleth asked 8/1, 2009 at 11:57
4
Is it possible to get SP List Item by unique Id (without writing a Caml request) if I know a related List Id.
var item = list.GetItemById("CFA9E204-6509-424B-A246-0DE5295C42B2");
When I tried to...
Grapheme asked 19/12, 2012 at 11:9
4
Solved
I want to use an Execute SQL Task query to return varbinary data from a database table. The query requires a UniqueIdentifier as a parameter which is stored as string in a Package variable. The res...
Baerl asked 25/4, 2018 at 17:29
5
Solved
I am creating in my app bunch of programmatic Views. As it appeared to be they all by default have the same id=-1. In order to work with them I need to generate unique id's.
I have tried several ...
Grating asked 22/7, 2011 at 13:22
1
Solved
When designing a REST API, what is the best practice for adding a unique request identifier when performing an http request?
I would normally add it in the headers as x-request-id, but today heard...
Straus asked 16/7, 2018 at 13:40
9
Solved
Consider I've two numbers 1023232 & 44. I want to generate a unique number representing this combination of numbers. How can i generate it?
Requirement
f(x,y) = f(y,x) and f(x,y) is unique fo...
Detta asked 19/11, 2010 at 15:13
4
Solved
I have a RFID-RC522 (MF-RC522) module and I'm using Arduino sketch program.
To use this RFID, I downloaded the Arduino MFRC522 library.
And I run the example code of library.
Here is the code.
/...
Witch asked 29/9, 2015 at 8:34
2
Solved
I am developing an SSRS 2008 R2 RDL file. Now, I am trying to add a report parameter which should be a multi-select. Previously I have worked with multi-select parameters but they have always been ...
Kythera asked 5/9, 2012 at 14:44
0
I need to store in SQL Server a list of items uniquely identified by a hash.
In C# I compute my hash as MD5 hash of concatenation of the item ids ( Guid ).
Currently, my hash has datatype byte[] ...
Taken asked 10/4, 2018 at 19:18
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