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New C# Source Generator Samples

August 25, 2020 Aug 25, 2020 08/25/20
Luca Bolognese
This post describes two new generators that we added to the samples project in the Roslyn SDK github repo. The first generator gives you strongly typed access to CSV data. The second one creates string constants based on Mustache specifications.

Announcing Entity Framework Core EF Core 5.0 Preview 7

July 21, 2020 Jul 21, 2020 07/21/20
Jeremy Likness
Today, the Entity Framework Core team announces the seventh preview release of EF Core 5.0. This release includes a factory to create DbContext instances, the ability to reset DbContext state, Cosmos DB improvements including enhanced support for configuration options and partition keys, and much more. In this post What's New in EF Core...

Announcing Entity Framework Core 5.0 Preview 3

April 23, 2020 Apr 23, 2020 04/23/20
Jeremy Likness
Today we are excited to announce the third preview release of EF Core 5.0. The third previews of .NET 5 and ASP.NET Core 5.0 are also available now. Prerequisites The previews of EF Core 5.0 require .NET Standard 2.1. This means: EF Core 5.0 runs on .NET Core 3.1; it does not require .NET 5. This may change in future previews ...

Async ValueTask Pooling in .NET 5

March 16, 2020 Mar 16, 2020 03/16/20
Stephen Toub - MSFT
The async/await feature in C# has revolutionized how developers targeting .NET write asynchronous code. Sprinkle some async and await around, change some return types to be tasks, and badda bing badda boom, you've got an asynchronous implementation. In theory. In practice, obviously I've exaggerated the ease with which a codebase can be made ...

An Introduction to DataFrame

December 16, 2019 Dec 16, 2019 12/16/19
Prashanth Govindarajan
Last month, we announced .NET support for Jupyter notebooks, and showed how to use them to work with .NET for Apache Spark and ML.NET. Today, we're announcing the preview of a DataFrame type for .NET to make data exploration easy. If you've used Python to manipulate data in notebooks, you'll already be familiar with the concept of a DataFrame...

ConfigureAwait FAQ

December 11, 2019 Dec 11, 2019 12/11/19
Stephen Toub - MSFT
.NET added async/await to the languages and libraries over seven years ago. In that time, it's caught on like wildfire, not only across the .NET ecosystem, but also being replicated in a myriad of other languages and frameworks. It's also seen a ton of improvements in .NET, in terms of additional language constructs that utilize asynchrony, ...