Microsoft Edge (Chromium) consumes 27 percent less memory if you are on Windows 10 May 2020 Update 

ReSharper’s shell loading has been optimized to decrease Visual Studio’s startup time. Now it is faster, and we have mostly got rid of the Visual Studio yellow notification about the slowness of starting up ReSharper. There is still a yellow box about total u 

I’ve been at ThoughtWorks for 12 years. Who would have imagined? Instead of writing about my reflections from the past year, I thought I would do something different and post twelve key learnings and observations looking back over my career. I have chosen twelve, not because there are only twelve, but because it fits well with the theme of twelve years. 

Entity Framework (EF) Core is the rearchitected and rewritten version of the Entity Framework object relational mapping engine for .NET Core applications. It is very light-weight, extensible, and cross platform.

However, high transaction .NET Core applications using EF Core face performance and scalability bottlenecks in the database-tier under peak loads. This is because, although you can linearly scale the application tier by adding more application servers, you cannot add more database servers to scale it.

But, if you use a distributed cache like NCache in your .NET Core applications, you can quickly remove these performance and scalability bottlenecks and handle extreme transaction loads. 

Internet Explorer 11 has retired and is officially out of support—what you need to know | Windows Experience Blog 

- Brian Acton, the founder of WhatsApp (you know...Facebook bought them for $16billion), recently deleted his Facebook account saying "It's time."
- Elon Musk backs #DeleteFacebook, and Tesla's and SpaceX's Facebook pages vanish.
- (UPDATE: 2018-Mar-26 am) CNET also reported on people "bailing" on Facebook.

When a client sends data to your web API, often you want to validate the data before doing any processing. This article shows how to annotate your models, use the annotations for data validation, and handle validation errors in your web API. 

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <TargetFramework>net6.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
    <IsPackable>false</IsPackable>
  </PropertyGroup>
    <ItemGroup>
        <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.3">
            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
            <PrivateAssets>all</PrivateAssets>
        </PackageReference>
        <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.2.0" />
        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.2.0" PrivateAssets="all" />

        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
        <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
        <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
    </ItemGroup>
  <ItemGroup>
    <ProjectReference Include="..\NotifyPropertyChangedGenerator\NotifyPropertyChangedGenerator.csproj" />
  </ItemGroup>
</Project>

internal static class SourceGeneratorTestsExtensions
{
    public static (GeneratorDriver Driver, Compilation OutputCompilation, ImmutableArray<Diagnostic> Diagnostics)
        RunGenerators(this string source, params ISourceGenerator[] generators)
    {
        var references =
            AppDomain.CurrentDomain.GetAssemblies()
                .Where(assembly => !assembly.IsDynamic)
                .Select(assembly => MetadataReference.CreateFromFile(assembly.Location))
                .Cast<MetadataReference>();

        var inputCompilation = CSharpCompilation.Create("compilation",
            new[] { CSharpSyntaxTree.ParseText(source, new CSharpParseOptions(LanguageVersion.Latest)) },
            references,
            new CSharpCompilationOptions(OutputKind.ConsoleApplication));

        GeneratorDriver driver = CSharpGeneratorDriver.Create(generators);
        driver = driver.RunGeneratorsAndUpdateCompilation(
            inputCompilation,
            out var outputCompilation,
            out var diagnostics);

        return (driver, outputCompilation, diagnostics);
    }
}

using Microsoft.VisualStudio.TestTools.UnitTesting;
using PropertyChangedGenerator = NotifyPropertyChangedGenerator.NotifyPropertyChangedGenerator;

namespace NotifyPropertyChangedGenerator.Tests;

[TestClass]
public class GeneratorTest
{
    [TestMethod]
    public void SimpleGeneratorTest()
    {
        var userSource = @"
using System;
using System.ComponentModel;
namespace NotifyPropertyChangedDemo
{
  public class Test : INotifyPropertyChanged
  {
    private int regularField;
    private int IndexBackingField;
  }
}
";
        var (driver, outputCompilation, diagnostics) =
            userSource.RunGenerators(new PropertyChangedGenerator());

        var newFile = outputCompilation.SyntaxTrees
            .Single(x => Path.GetFileName(x.FilePath).EndsWith(".Test.cs"));

        Assert.IsNotNull(newFile);
        Assert.IsTrue(newFile.FilePath.EndsWith("Test.Notify.Test.cs"));

        var generatedSource = newFile.GetText().ToString();
        Assert.IsTrue(generatedSource.Contains("namespace NotifyPropertyChangedDemo"));

        // We can now assert things about the resulting compilation:
        Assert.IsTrue(diagnostics.IsEmpty); // there were no diagnostics created by the generators
        // we have two syntax trees, the original 'user' provided one, and the one added by the generator
        Assert.IsTrue(outputCompilation.SyntaxTrees.Count() == 2);
        // verify the compilation with the added source has no diagnostics
        Assert.IsTrue(outputCompilation.GetDiagnostics().IsEmpty);
    }
}

One of the major new capabilities for developers in Windows 10 version 1511 is the final release of Windows.UI.Composition. This was in preview in the 10240 SDK but has now reached full release in this new update. 

Apparently, there are “true” and “false” operators and you can overload these. But I also wanted to know what are these good for, given I’ve never heard about these.