Questions tagged as 'guid'

I'm about to start a new project in MVC 4 with Entity Framework, searching I found several examples here in the SOpt of models that use GUID as ID and some doubts have arisen: What is the advantage of using GUID as a primary key? Is it feas...

What is the probability of generating a Repeated Guid with Guid.NewGuid() ? I'm uploading numerous images from my system. The same will be a MultiTenancy, and will share the same Deploy, from the same folders. I assign the name of...

What is the main difference between using the options Guid.Parse() or new Guid() to convert a string into a Guid ? And which of the two approaches would be best to use? var usuarioId = new Guid(User.Identity.GetUse...

I know the GUID is a 'unique' identifier, but I do not see the why of your application's attribute, as in the example below: [GuidAttribute("C281C7F1-4AA9-3517-961A-463CFED57E75")] [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]...

(1). I would like to validate a string, checking if it has only {a-z], [A-Z], [0-9], '-'} if(minhaString.ContemApenas({[a-z], [A-Z], [0-9], '-'}) == true) { // Minha string é válida! } (2). I need to also validate if such a string is a...