About a month ago, my open-source project [EntityFramework.Exceptions](https://github.com/Giorgi/EntityFramework.Exceptions) failed to build on AppVeyor, the continuous integration service that I have been using for several years.
LINQPad.QueryPlanVisualizer now supports LINQPad 6, Entity Framework Core and PostgreSQL, so you can view query plans for both databases in LINQPad.
LINQPad.QueryPlanVisualizer is a custom visualizer that shows SQL Server query execution plans and missing indexes directly inside LINQPad.
How to turn the Num Lock, Caps Lock and Scroll Lock LEDs on and off from C# without changing the key state, using DeviceIoControl.