.NET App Developer Links - 2019-07-26

• Announcing Entity Framework Core 3.0 Preview 7 and Entity Framework 6.3 Preview 7

• Announcing GitLab Support for Visual Studio App Center

• Installing PowerShell with one line as a .NET Core global tool

• Social Media Authentication - Facebook login in Xamarin Forms

• Understanding Azure Durable Functions - Part 3: What Is Durability?

• Xamarin.Forms 101: OnPlatform (Adjusting UI Based on Operating System)