Anything related to the generation and management of unique identifiers, i.e. pieces of information (such as strings, numbers, etc.) that (must/can) have no duplicate in some context (e.g. process IDs in a running PC, primary keys in a database table, user names in a networked system, etc.).
Questions tagged [unique-id]
184 questions
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1 answer
ASP.NET MVC5 - Sequential ID routing issue: 404 error when ID over 1 character long?
I'm having a little problem I assume is with my routing configuration. Below is my situation:
Situation
I have a page that list employees that are attached to an entity. From the entity page they can add new employees. Once an employee has been…
Jim Dowling
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1
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0 answers
Unique id generator based on text corpus
I want to build a shakespeare unique id generator that can generate up to 32 character long unique ids based on a shakespeare text corpus. I did some research but I couldn't find any algorithm that can generate unique ids based on a text corpus.
So…
martin s
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1 answer
Finding Nano Time in Windows using PHP
I would like to create a unique id in php.I used uniqid() but microtime is not helping because the function is inside a loop and a set of consecutive results are exactly the same!!
So i am wondering if i can use nano time.In linux it possible…
Nidhin David
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5 answers
Generate 9 million unique random numeric only string
Queustion 1: Can we generate 8 digit unique 9-10 million numeric only strings?
Queustion 2: How do I generate 9 to 10 million unique 'numeric only' string in one program run? These keys will be uploaded to db to be used for next 6 months. I…
vvra
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0 answers
avoid auto generation of name in ASP.NET
the code below protects the server from generating unique but new name is always generated for the name attribute, but i want to deny new name generation, please help me
Demsie Kefelegn
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1 answer
Dynamic Gridview Template and Unique Control (ie textbox, label) IDs?
When creating a Gridview at design time you can create a template column like this:
And in the HTML it…
Dan
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2 answers
Unique Numerical ID for a Templated Class using Function Address
So, this question has been asked before, but I wanted a question with some of those key words in the title.
The issue is simple: How can I have a templated class, such that for each instance of the template - but not each instance of the class -…
Narfanator
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3 answers
What do you say of chopping type-4 UUID in this manner
Check this,
List list = new ArrayList();
for (int i = 0; i < 10000; i++) {
String value = (""+UUID.randomUUID().getLeastSignificantBits()).substring(3, 20);
assertFalse(list.contains(value));
…
Adeel Ansari
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1
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1 answer
Create a Unique ID for a Visio Shape use the Shape Sheet
I'm not new to Visio nor to programming but I am new to developing in Visio.
I'm using 2007 and am creating my own custom shapes with Shape Data.
I want to create a UniqueID for all my shapes in the context of the drawing.
I have created a Shape…
Scott M
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uniques ID ordered by event time
I need to insert a lot of events into DB in ordered way by event time (each event has a time in millisec) to prevent sorting when retrieving data.
Events comes in unordered order. i mean event with time 10000 can come before event with time 900 and…
Michal K
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1 answer
How can I performantly assign unique Ids to objects in C#
I am working on a C# library that will create tons of small objects as part of normal operation (think AST nodes in a compiler). I'd like to assign each instance a unique identifier (unique within the program, not globally unique) in a way that…
ChaseMedallion
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2 answers
how can i get unique transaction id in PHP?
I'm testing my log module written PHP.
web-server occur too many transaction.
every transaction writing on same file. (log.txt)
how can i logging this transactions at same file with multiple lines?
below log example.
Dec 05 01:50:02 [info]…
TaeL
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2 answers
Getting Unique Id from all java phones especially from S40 devices
I have requirement of getting an unique identification number programmatically from all j2me supported phones.
As we already know getting IMEI / IMSI in S40 devices is almost not possible, bluetooth MAC address / obex push profile UUID may help. But…
AndosBerry
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1 answer
How to get Unique ID of Windows Phone?
I want to get the IMEI number of my Windows Phone in my application. How can I programatically access it? If IMEI won't get in my application, then how to access MAC address of my phone. In my application, the administrator can block some devices…
Nelson T Joseph
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MySQL - can I use the gonna-be insert_id in the actual insert query itself?
I've just got a situation where i need to duplicate the unique
(auto-incremented) id of each new row in another column. So I was
wondering, instead of doing it the old fashioned way:
Insert row
Get insert_id
Update row with the insert_id
Can I…
3Nex
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