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
0
votes
1 answer
How do you specify the row or document ID Riak or any Key Value Data Strore?
I just attended the Webinar on Intro To Riak. It did not say much about schema design, just the one page. That is what I focus on. So let me ask a question.
Say we have a bucket called Customer with Customer No : “123”. This customer has attributes…
TomFH
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- 3
0
votes
1 answer
How to get UniqueID from document.getElementById()?
I want to use __doPostBack javascript function.
__doPostBack(obj.UniqueID,'');
But I only know ClientID of my object -
ctl00_cpholder_myObjId
document.getElementById("ctl00_cpholder_myObjId").id //This will get ctl00_cpholder_myObjId,but UniqueID…
nnnn
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0
votes
3 answers
mt_rand max value
On the php documentation,i found this note:
On both 32 and 64-bit systems (OS X and Linux), mt_getrandmax()
returns 2147483647
I have confirmed this using the simple function provided
function gethighest()
{
return mt_getrandmax();
}
$hello =…
Gandalf
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0
votes
3 answers
PHP returns floats instead of strings from a database?
I use this to create a unique code for each product in my store,
echo base_convert(uniqid(),16,10);
For instance,
1403802682572650
My query is simple like this,
$sql = "
SELECT *
FROM page AS p
LEFT…
Run
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- 748
-1
votes
1 answer
Using python to generate unique IDs
How should I assign a unique ID (UID) to a group of rows and a different UID where there is a sudden jump in ID values. For example; assign "1" to ID values ranging from 122 to 125 and a UID of "2" where ID values range from 507 to 511 in the table…
Adeleke Adejobi
- 17
- 4
-1
votes
2 answers
How can I create unique id based on the value in the other column
I wanted to assign the unique id based on the value from the column. For ex. i have a table like this:
df = pd.DataFrame({'A': [0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,1,1,1,0,0,0,0,1,1,1]}
Eventually I would like to have my output table looks like…
Ali
- 113
- 4
-1
votes
1 answer
What parameter to use as a unique computer ID to secure my app
I am looking for a personal Computer ID that I can use to secure my app so that only one Computer can use it.
I can't use the MAC address because a user can have multiple Network adapters so I was thinking about a Motherboard ID if it exists!
I am…
-1
votes
2 answers
How do I update an existing table with a few hundred records with a unique ID
I am having trouble updating an existing table (with a few hundred records) with a unique ID
The table is called BHIVE.ProjectDataGroupDetail and has a few hundred records.
The Field I'd like to update is called ProjectDataGroupDetailID. I am also…
ChanelGabb
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-1
votes
1 answer
How can I change the length of a hex number?
I have a function who generates a Hex number:
function generateUid(){
$uuid = Uuid::uuid4();
$uuid = $uuid->getHex();
$uuid = substr($uuid,8);
return $uuid;
}
The hex has the length of 25 but I want to cut it to only 8 digits.
peace_love
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-1
votes
3 answers
adding a unique id to an url
I have some difficulty in understanding how to add an id to an url for sending a request to a server. In fact, my main problem is the position of quotation mark after the equal sign in the third open method. Why it is not used just after…
mech10
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- 7
-1
votes
1 answer
user defined function not working in php
I have a problem in calling my rand_id() function. here is code as
'root',
'DB_PASSWORD'=>'');
$conn=new PDO('mysql:host=localhost;dbname=scc',$config['DB_USERNAME'],$config['DB_PASSWORD']);…
Vasu Rajoria
- 11
- 4
-2
votes
1 answer
How to solve a problem of "Cannot set properties of null (setting 'innerHTML')"
How can I solve a problem of "Cannot set properties of null (setting 'innerHTML')"?
I have an Angular project in which I want to have a unique id for every elements, so I use this code:
Enter image description here
Enter image description here
Dorra
- 11
-2
votes
1 answer
How to use PHP to get unique ID?
I'm making a data base and I would like to get two unique ids from each player like clash royale game .
1.id unique only number (It knows only the user)
2.id unique number and letters (all the players can see it).
I was thinking of using the time to…
Jake
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-2
votes
1 answer
PHP check if unique
I have this code to enter product in my stoc administration script.
I need some help.
I want when i enter new product to check if row cod (codint in mysql ) is unique and if is not unique alert me.
Like opencat model field ..
Velicu Cristian
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- 10
-2
votes
1 answer
How to create Unique ID based on a pattern
I am working on a student database project where i have to generate a unique 13-digit ID (within the database, not a universal unique ID) that is based on a pattern.
The Pattern
The pattern is like this: first four digits are a state code, next two…
irshukhan
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