uniqueidentifier Questions
5
Solved
Let's say I have the following table:
category | guid
---------+-----------------------
A | 5BC2...
A | 6A1C...
B | 92A2...
Basically, I want to do the following SQL:
SELECT category, MIN(gu...
Proportionate asked 20/5, 2011 at 8:33
6
Solved
I am using a dataset to insert data being converted from an older database. The requirement is to maintain the current Order_ID numbers.
I've tried using:
SET IDENTITY_INSERT orders ON;
This wo...
Kwan asked 5/8, 2009 at 18:2
1
I'm needing to get a unique method identifier to use as a key on a HashMap.
I'm trying to do something using stacktrace and reflection and user the method signature. But the problem is I didn´t fi...
Jurel asked 17/10, 2014 at 12:28
1
Solved
Im trying to learn Node.js without using any third party modules or frameworks. I'm getting to the point where I got to figure out how to give session ids to users who login...
So far I know I can...
Peridotite asked 14/10, 2014 at 1:27
1
I ordered a bunch of NFC tags from a Chinese supplier (I know, red flags) with the promise that they will serialize my tags as instructed so it will work w/ our software and avoid serial duplicates...
Nomothetic asked 15/9, 2014 at 3:18
6
Solved
Summary: I'm developing a persistent Java web application, and I need to make sure that all resources I persist have globally unique identifiers to prevent duplicates.
The Fine Print:
I'm not us...
Razzledazzle asked 10/10, 2008 at 20:27
1
Solved
Objective:
I want to detect if a web application is accessed from more than one account using the same device such as computer,mobile,tablet using different browser using any programming language ...
Moralez asked 21/7, 2014 at 5:13
7
Solved
Situation: several developers working remotely on different section/modules of a SPA.
As a result they may accidentally introduce HTML elements with the same id. What are the common ways to avoid ...
Smoke asked 11/7, 2014 at 1:57
9
Solved
I need to generate some int value that would never repeat (at least theoretically). I know there is arc4random() fnc but I'm not sure how to use it with some current date or smth :(
Channa asked 10/8, 2011 at 19:6
3
Solved
The OpenGL tradition is to let the user manipulate OpenGL objects using an unsigned int handle. Why not just give a pointer instead? What are the advantages of unique IDs over pointers?
Florindaflorine asked 11/7, 2014 at 4:14
6
I have a very large unsorted file, 1000GB, of ID pairs
ID:ABC123 ID:ABC124
ID:ABC123 ID:ABC124
ID:ABC123 ID:ABA122
ID:ABC124 ID:ABC123
ID:ABC124 ID:ABC126
I would like to filter the file for...
Ileanaileane asked 9/5, 2014 at 22:12
10
Solved
I've found a number of different questions on generating UIDs, but as far as I can tell, my requirements here are somewhat unique (ha).
To summarize: I need to generate a very short ID that's "loc...
Hippocras asked 23/12, 2009 at 16:23
2
Solved
I have a user collection in a MongoDB. The _id is currently the standard MongoDB generated ObjectId. I also have a unique key constraint against a required 'email' field. This seems like a waste.
...
Esau asked 1/5, 2014 at 0:59
4
Solved
I am trying to generate a unique identifier of a fixed length such as the IDs that are generated by Megaupload for the uploaded files.
For example:
ALGYTAB5
BCLD23A6
In this example using from...
Bi asked 5/7, 2011 at 14:39
1
Solved
So are NFC tags really UNIQUE from each other, at least in their SERIAL NUMBER? And can we rely on the fact that no 2 NFC tags can have the same serial number? I'm highly skeptical about this as th...
Sorghum asked 11/2, 2014 at 11:34
2
Solved
We want to use a unique device identifier in a Windows 8 Metro app and the recommendation is an ASHWID, documented here:
http://msdn.microsoft.com/en-us/library/windows/apps/jj553431.aspx
I'm str...
Mollymollycoddle asked 21/9, 2012 at 16:42
1
Solved
Google is replacing the unique Android ID (similar to Apple’s old UDID) with a new Advertising ID. Users will be able to reset the Advertising ID.
“Beginning August 1st 2014, all updates and new a...
Costermonger asked 6/11, 2013 at 15:25
5
Can anyone tell me if there is an equivalent of SCOPE_IDENTITY() when using GUIDs as a primary key in SQL Server?
I don't want to create the GUID first and save as a variable as we're using sequen...
Livelihood asked 2/10, 2009 at 14:42
2
iOS Provisioning files make reference to the Apple application ID (of the form "A1A2A3A4A5"). Most often, the DNS form of the application is replaced with a star (*).
My understanding is that the ...
Epenthesis asked 24/11, 2010 at 17:39
4
We are using the following code for retrieving active MAC address of a windows pc.
private static string macId()
{
return identifier("Win32_NetworkAdapterConfiguration", "MACAddress", "IPEnabled"...
Radiobiology asked 3/3, 2012 at 12:42
6
Solved
Is there any way to get the iOS device identifier in iOS SDK?
I would like to access the identifier which is presented by the Xcode in Organizer - Devices section, something like: 21xb1fxef5x2052xe...
Scrappy asked 20/12, 2012 at 12:40
5
Solved
I want unique identifier string for iPhone devices instead of UDID and MAC.
1. Get UDID and MAC are deprecated by apple.
2. We can use UUID but it will get change after reinstalling app or delet...
Appellee asked 21/5, 2013 at 7:2
9
Solved
For various reasons that aren't too germane to the question, I've got a table with a composite key made out of two integers and I want to create a single unique key out of those two numbers. My ini...
Donohue asked 16/11, 2009 at 21:43
2
Solved
i am looking for APDU to find UID of contact less ISO 14443 smart card and how to use it to print in Linux terminal. Problem is that i found many people talking about it, but there is no solution. ...
Stigmasterol asked 24/10, 2012 at 14:19
2
Solved
When converting int to guid in C# and SQL Server I get different values.
In C# I use this method
public static Guid Int2Guid( int value )
{
byte[] bytes = new byte[16];
BitConverter.GetBytes( v...
Takeo asked 29/10, 2013 at 10:53
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