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Don Syme: Geek of the Week

It came as a surprise to many of us when Microsoft pulled from it's hat a rabbit in the form of an exciting, radical, language that offers an effective alternative to the Object-oriented orthodoxy. The creative force behind this language, F#, turns out to be a brilliant Cambridge-based Australian called Don Syme, already well known for his work on generics in .NET. F# has taken the specialised power of ML and OCaml and developed a versatile general-purpose .NET language. We sent Richard Morris across the road to investigate.

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Question of the Day

BIT_COUNT II

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:

UserID  UserPermissions
15
23
37
4       NULL
What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 4;

See possible answers