I want to be able to create a GUID/UUID on the iPhone and iPad. The intention is to be able to create keys for distributed data that are all unique. Is there a way to do this with the iOS SDK? 8 Answers 8
I’ve worked on a number of database systems in the past where moving entries between databases would have been made a lot easier if all the database keys had been GUID / UUID values. I’ve considered going down this path a few times, but there’s always a bit of uncertainty, especially around performance and un-read-out-over-the-phone-able … Read more
I’m testing out some WCF services that send objects with Guids back and forth. In my web app test code, I’m doing the following: var responseObject = proxy.CallService(new RequestObject { Data = “misc. data”, Guid = new Guid() }); For some reason, the call to new Guid() is generating Guids with all 0’s (zeros) like … Read more
In my iOS Swift app I want to generate random UUID (GUID) strings for use as a table key, and this snippet appears to work: let uuid = CFUUIDCreateString(nil, CFUUIDCreate(nil)) Is this safe? Or is there perhaps a better (recommended) approach? 7 Answers 7
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How to check if variable contains valid UUID/GUID identifier? I’m currently interested only in validating types 1 and 4, but it should not be a limitation to your answers. 17 Answers 17
What’s the difference between Guid.NewGuid() and new Guid()? Which one is preferred? 4 Answers 4
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 5 months ago. The community reviewed whether to reopen this question 5 months ago and left it closed: Original close reason(s) were … Read more
What are some of the best ways to create a GUID in Java? 7 Answers 7
I want to create a varchar column in SQL that should contain N’guid’ while guid is a generated GUID by .NET (Guid.NewGuid) – class System.Guid. What is the length of the varchar I should expect from a GUID? Is it a static length? Should I use nvarchar (will GUID ever use Unicode characters)? varchar(Guid.Length) PS. … Read more
