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.NET Interactive: Jupyter Notebooks with .NET Core - Preview 2
.NET Interactive is the new name for Try .Net. This suite of APIs and command-line tools allows you to create interactive notebooks and documents combining rich text, code and data. One of the main use cases for .NET Interactive is embedding code into a Jupyter Notebook.
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Visual Studio 2019 for Mac Adds ASP.NET Core Blazor Server Applications
In January, Microsoft released Visual Studio 2019 for Mac 8.4.3 with a handful of features and improvements that were a direct request from developers on their developer community forum. Visual Studio for Mac can target the latest platform capabilities, for Android, iOS, as well .NET Core application that can be hosted on Windows, macOS or Linux.
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Developer Surveys Survey: Including a Spotlight on Java Results
JRebel and Snyk have recently published their Java/JVM technology reports, and Codingame and Tiobe have published reports into language usage and adoption. InfoQ looks at the state of play of these reports, and what is happening in the Java and wider ecosystems today.
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Blazor WebAssembly Preview - Full-Stack C# Development for Web Applications
Microsoft has released the 3.2.0 Preview 1 of Blazor WebAssembly, which adds support for a SignalR client, simplified startup and improved download size.
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C# Static Analysis Tool Roslynator.Analyzers Now Has over 500 Ways to Improve Code
The new version 2.3.1 of the Roslynator.Analyzers package brings the number of analyzers, refactorings and fixes to over 500. Roslynator uses the open-source Roslyn .NET Compiler Platform to perform static analysis on your C# code. This analysis drives your IDE to display hints and actions to improve your code.
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Large Collection Performance in Entity Framework and EF Core
Entity Framework Core offers significant performance improvements over Entity Framework 6. As this article shows, none are so readily apparent as when dealing with large collections.
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Microsoft Announces Experimental gRPC-web Support for .NET
Earlier this week, Microsoft announced experimental support for gRPC-Web with .NET Core. The new addition allows Blazor WebAssembly clients to call gRPC applications directly from the browser, enabling gRPC features such as server streaming to be used by browser-based applications.
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C# Futures: Primary Constructors
We last mentioned primary constructors in 2014 when it was removed from the candidate list for C# 6 and VB 12. Late last year, Primary Constructors reappeared as a candidate for C# 9.
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Database Access Misconfiguration Exposes 250M Customer Records at Microsoft
Comparitech security firm reported a major data breach at Microsoft that exposed 250 million customer records over a period of a couple of days. Microsoft said the leaked data, which did not include personally identifiable information, was not used maliciously.
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C# Futures: Covariant Return Types
A frequent API design problem is the inability to use a more specific return type when overriding a method. Proposal 49, which is now a C# 9 candidate, seeks to correct this issue.
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Blazor Makes Its Way Into Cross-Platform Mobile App Development
Officially announced at the "Focus on Blazor" .NET Conf, Blazor's Mobile Bindings are a new experimental project aimed to enable cross-platform mobile app development using Microsoft Blazor and .NET for iOS and Android. Similarly to React Native, Mobile Blazor Binding use native UI controls, thus enabling a native look and feel.
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C# Futures: Simplified Parameter Null Validation
At first glance, proposal #2145 seems like a logical extension to C# 8’s Nullable Reference Types feature. The basic idea is developers would no longer need to explicitly add argument null checks to methods that accept non-nullable parameters. However, this has become quite contentious.
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C# 9 Proposals: Module Initializers
The module initializer proposal has been promoted to C# 9 candidacy. This would act like a static constructor in C#, but rather than applying to one class it applies to the entire assembly.
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Azure Functions 3.0 Released to Production, Support for .NET Core 3.1 and Node 12 Included
In a recent blog post, Microsoft announced Azure Functions 3.0 go-live release is now available in production. The new capabilities in this release include support for .NET Core 3.1 and Node 12. In addition, Microsoft claims previous versions of Azure Functions should be able to run in the version 3.0 runtime without code changes, due to Azure Functions 3.0 being highly backwards compatible.
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Bolero Enables Writing F# Apps Running in WebAssembly Using Blazor
Bolero makes it possible to build WebAssembly apps in F#. Bolero leverages Blazor Microsoft technology, to enable running C# in the browser.