guid Questions
10
Solved
I'm new to C#.
I know in vb.net, i can do this:
Dim guid as string = System.Guid.NewGuid.ToString
In C#, I'm trying to do
String guid = System.Guid.NewGuid().ToString;
but i get an "Cannot...
3
Solved
I want to generate a consistent hash of a UUID string such as dcc549d8-bd0c-49c2-bff8-f6fa80fb7857, preferably a number between 0 to N.
What is the best and fastest way to do it?
Update: I am thi...
Hamiltonian asked 10/1, 2020 at 17:4
5
The default value for int is 0 , for string is "" and for boolean it is false. Could someone please clarify what the default value for guid is?
Cuttlefish asked 22/6, 2015 at 10:29
8
Solved
The standard string representation of GUID takes about 36 characters. Which is very nice, but also really wasteful. I am wondering, how to encode it in the shortest possible way using all the ASCII...
4
What would be the easiest way to code a function in .NET to generate a GUID based on a seed so that I can have greater confidence about its uniqueness?
string GenerateSeededGuid(int seed) { /* cod...
1
I'm trying to set a default value NewGuid() to a UUID/GUID column in MySQL 5.7 (with FluentMigrator in .Net Core).
Create.Table("table")
.WithColumn("auto_guid").AsGuid().NotNullable().WithDefault...
Duclos asked 16/9, 2019 at 17:17
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
5
Solved
I assigned some value to object data type like,
object objData =dc.GetDirectoryEntry().Properties["objectGUID"].Value;
this object retun the value like {byte[16]}
[0]: 145
[1]: 104
[2]: 117
...
Zoo asked 2/6, 2012 at 12:4
3
I am looking for a way to indentify DOCX files if they are moved or renamed. Reason is obvious, I am playing with the Open XML SDK, building a hyperlink checker.
Works perfect, at least it can add...
4
Solved
How can I convert a .NET GUID to a MongoDB ObjectID (in C#). Also, can I convert it back again to the same GUID from the ObjectID?
5
Solved
I see these two acronyms being thrown around and I was wondering if there are any differences between a GUID and a UUID?
1
Solved
My requirement is to generate version 4 UUID from C# code for google API session token and i am not sure Guid.NewGuid() method, Which version of GUID does it return. Like version
Read google and ...
Tashia asked 24/4, 2019 at 6:12
6
Solved
So in C# the switch statement only supports integral types (not Guids), so a simple O(1) comparison table doesn't look possible.
What is the most computationally efficient way to match on a Guid ...
Tincher asked 22/6, 2012 at 12:20
5
I have sent 10000 mails to our customers and each mail had a link of the format
http://example.com/LogIn?key={guid}
Unfortunately the guid I sent were random guids (test data generated by Guid....
Topography asked 3/5, 2009 at 12:1
3
Solved
I'm assigning all my MongoDB documents a GUID using uuid.uuid1(). I want a way I can derive an 11 character, unique, case-sensitive YouTube-like ID, such as
1_XmY09uRJ4
from uuid's resulting h...
1
Solved
If I have a model with a key of type Guid, is it bad practise to set the ID explicitly in the constructor?
I know it will be set implicitly by Entity Framework, but will anything bad happen (perha...
Dot asked 20/11, 2018 at 14:0
2
Solved
Since they contain dashes and only hexadecimal characters, wouldn't random strings (incl. special characters) have way more possible combinations?
I know them being a standard is an advantage, bu...
3
Solved
How is GUID internally stored and compared by SQL (particularly MS SQL server 2008)? Is it a number or string? Also, is there a big performance hit when using GUID as primary key?
Besides the pro...
Endotoxin asked 13/5, 2013 at 11:35
5
Solved
How can I list the GUID of an installed program in Windows? Alternatively, is it easier to find the GUID if I have the MSI file?
I'm looking through the MSI file with Orca but not sure where to l...
Sorcim asked 28/6, 2012 at 18:48
5
Solved
In oracle 10g, how do you convert SYS_GUID() to varchar? I am trying something like:
select USER_GUID from user where email = '[email protected]'
Which returns the RAW byte[]. Is it possibl...
3
I've decided to use GUID as primary key for many of my project DB tables. I think it is a good practice, especially for scalability, backup and restore in mind. The problem is that I don't want to ...
Tryst asked 16/10, 2012 at 22:10
9
Solved
Before you start marking this as a duplicate, read me out. The other question has a (most likely) incorrect accepted answer.
I do not know how .NET generates its GUIDs, probably only Microsoft doe...
2
Solved
I have searched multiple resources online, but so far have been unable to find a definitive answer to the question of whether Microsoft's GUID generation mechanism is secure enough to warrant it's ...
Tumult asked 1/7, 2013 at 15:49
3
Solved
Why are UUID's presented in the format "8-4-4-4-12" (digits)? I've had a look around for the reason but can't find the decision that calls for it.
Example of UUID formatted as hex string:
58D5E212...
2
Solved
This is the best way I could come up with to convert a MySQL GUID/UUID generated by UUID() to a binary(16):
UNHEX(REPLACE(UUID(),'-',''))
And then storing it in a BINARY(16)
Are there any impli...
© 2022 - 2024 — McMap. All rights reserved.