Roundup #51: .NET Core 3.0 launches at .NET Conf, .NET Standard adoption, Nullable Reference Types, Cake on Linux, Logging in ASPNET Core

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Here are the things that caught my eye recently in .NET.  I’d love to hear what you found most interesting this week.  Let me know in the comments or on Twitter.

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.NET Core 3.0 launches at .NET Conf

.NET Conf is a FREE, 3 day virtual developer event co-organized by the .NET community and Microsoft. This year .NET Core 3.0 will launch at .NET Conf 2019! Come celebrate and learn about the new release. You won’t want to miss this one.


Update on .NET Standard adoption

It’s about two years ago that I announced .NET Standard 2.0. Since then we’ve been working hard to increase the set of .NET Standard-based libraries for .NET. This includes many of the BCL components, such as the Windows Compatibility Pack, but also other popular libraries, such as the JSON.NET, the Azure SDK, or the AWS SDK. In this blog post, I’ll share some thoughts and numbers about the .NET ecosystem and .NET Standard.


Try out Nullable Reference Types

With the release of .NET Core 3.0 Preview 7, C# 8.0 is considered “feature complete”. That means that the biggest feature of them all, Nullable Reference Types, is also locked down behavior-wise for the .NET Core release. It will continue to improve after C# 8.0, but it is now considered stable with the rest of C# 8.0.


How to build with Cake on Linux using Cake.CoreCLR or the Cake global tool

In this post I show two ways to use the Cake build system to build .NET Core projects on Linux: using the Cake.CoreCLR library, or the Cake.Tool .NET Core global tool.


Logging, Metrics and Events in ASP NET Core – Martin Thwaites

Providing decent monitoring of your applications has always been considered the boring part of development, with tons of boilerplate code, and making upfront decisions around how it will be done, or retrofit afterwards. However, with dotnet core, things have changed, it’s never been easier to implement effective visibility into how your application is performing in production.

In this session I will cover the fundamental differences between Metrics and Logs, and Events and look at where one is useful over the other.

We’ll look at some of the things Microsoft has done in dotnet core to make logging easier, and some of the third-party libraries and tools that aim to make it easier to navigate.

We’ll cover tools like Serilog and Log4Net, along with AppMetrics for capturing application information. We’ll then take a quick look at Grafana, and see how we can make some sense of that information. Finally, we’ll look at and how they’re providing actionable insights for distributed systems using events, enabling testing in production.


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