Charlieface questions

Charlieface answers

• Does sqlite ignore WHERE clause after ON CONFLICT of UPSERT?
• Replacing RAISERROR with THROW
• Deadlock in child table while executing delete and insert statements
• Why does C# IndexOf search for null characters return zero?
• Search a table using a list of strings in EF Core 8 preview (where in clause)
• Purpose of `AsMemory()` applied to `byte[]` in `FileStream`
• How to calculate largest float smaller than input integer in C#?
• Efficient way to check if a ReadOnlyMemory<char> contains in a Hashset in C#
• Several ExecuteUpdate-s in transaction
• Entity Framework Core PostgreSQL JSONB (single field update)