Ivan Stoev questions

Ivan Stoev answers

• How to check if I have something to read on a StreamReader?
• DbMigrator trying to execute every migration, not detecting executed migrations
• Query in LINQ with self join
• EF Core Composite Key, one foreign, one auto incrementing
• LINQ to Sql, cannot perform an aggregate function on an expression containing an aggregate or a subquery
• How merge expression in the Select method with Linq
• Take all items except the last ones that satisfy condition?
• EF Core Include() in Many to Many relation
• More efficient way to perform a UPSERT with EF6
• Define Entity Framework relationships using foreign keys only by FluentAPI