Today we are releasing the first preview of Visual Studio 2017 version 15.5. You can either download it from here, or if you already have Preview installed, you’ll receive a notification that the update is available. 

This is a cumulative servicing update that provides fixes to Visual Studio 2015 Update 2. These fixes address high-impact bugs that were either found by the product team or reported from the community.  

Entity Framework Core for Beginners - 5 part video series with full source code, notes, code tours, and a dev container. 

Intro to .NET Unit & Integration Testing with SpecsFor  

Why is .NET so Insanely Fast? with Stephen Toub | Keep Coding Podcast #7
Keep Coding Podcast
In this video I will have a chat with Stephen Toub, Partner Software Engineer at Microsoft. Stephen has been a core part of the performance advancements in .NET and in this episode I will try and get his perspective on why is .NET so fast. 

Julia is used for a lot of deeply technical applications like Machine Learning and Data Science. But as a general-purpose programming language, Julia can also be used for things like building websites and interactive visualizations. In this article, we will go over 5 Julia packages that can be used to create desktop GUI’s or web applications.

%USERPROFILE%/.omnisharp

{
  "RoslynExtensionsOptions": {
    "LocationPaths": [
      "C:\\lib\\roslynator"
    ]
  }
}

Write-Host "Download, unzip and enable Roslynator for Visual Studio Code"

$name = "josefpihrt.Roslynator2017"
$url = "https://marketplace.visualstudio.com/items?itemName=$name"
$currentDir = $PSScriptRoot
$file = "$currentDir\Roslynator.zip"

$pattern = "<script class=`"vss-extension`" defer=`"defer`" type=`"application\/json`">(.*?)<\/script>"
$regex = [regex]"(?m)$pattern"
Write-Host "Grab the home page of the $name."
$dom = (New-Object Net.WebClient).DownloadString($url); 
if($dom -and $dom -match $pattern) 
{
    $matches = $regex.Match($dom)
    $jsonText = $matches[0].Groups[1]

    $json = ConvertFrom-Json $jsonText

    $version = $Json.versions[0].version # Parse the json in the page for the latest version number
    $parts = $name.Split(".")
    $publisher = $parts[0]
    $package = $parts[1]

    # Assemble the url for the vsix package
    $packageUrl = "https://marketplace.visualstudio.com/_apis/public/gallery/publishers/$publisher/vsextensions/$package/$version/vspackage"
    Write-Host "Download the vsix package: $packageUrl"
    (New-Object Net.WebClient).DownloadFile($packageUrl, $file)

    Write-Host "Using $currentDir as the current dir."
    Write-Host "Unzip $file."
    $shellApp = new-object -com shell.application 
    $zipFile = $shellApp.namespace($file) 
    $destination = $shellApp.namespace($currentDir) 
    $destination.Copyhere($zipFile.items(), 0x14)# overwrite and be silent

    Write-Host "Delete VS specific files. Otherwise they will interfere with the MEF services inside OmniSharp."
    Remove-Item "$currentDir\Roslynator.VisualStudio.Core.dll","$currentDir\Roslynator.VisualStudio.dll", "$currentDir\Roslynator.VisualStudio.pkgdef"

    $omnisharpJsonFilePath = "$env:USERPROFILE\.omnisharp\omnisharp.json";
    Write-Host "Create $omnisharpJsonFilePath file."
    $omnisharpJson = @" 
{{
  "RoslynExtensionsOptions": {{
    "LocationPaths": [
      "{0}"
    ]
  }}
}}
"@ -f $currentDir -Replace "\\","\\"
    $omnisharpJson | Out-File "$omnisharpJsonFilePath" -Confirm

    Write-Host "Done!"
}
else
{
    Write-Host "Failed to find the packageUrl!"
}

PS D:\Prog\1396\RoslynatorVSCode> .\update.ps1
Download, unzip and enable Roslynator for Visual Studio Code
Grab the home page of the josefpihrt.Roslynator2017.
Download the vsix package: https://marketplace.visualstudio.com/_apis/public/gallery/publishers/josefpihrt/vsextensions/Roslynator2017/1.7.0/vspackage
Using D:\Prog\1396\RoslynatorVSCode as the current dir.
Unzip D:\Prog\1396\RoslynatorVSCode\Roslynator.zip.
Delete VS specific files. Otherwise they will interfere with the MEF services inside OmniSharp.
Create C:\Users\Vahid\.omnisharp\omnisharp.json file.

Confirm
Are you sure you want to perform this action?
Performing the operation "Output to File" on target "C:\Users\Vahid\.omnisharp\omnisharp.json".
[Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help (default is "Y"):
Done!

• امکان استفاده‌ی مستقیم از کتابخانه‌های Full .NET Framework در NET Core 2.0. 
  
• Tag Helper Components در ASP.NET Core 2.0
• کار با Razor در ASP.NET Core 2.0
  
• فعالسازی Windows Authentication در برنامه‌های ASP.NET Core 2.0
  

• بررسی روش ارتقاء به NET Core 1.1.
  
• ارتقاء به ASP.NET Core 2.0 - معرفی بسته‌ی Microsoft.AspNetCore.All

• سفارشی سازی
  1. موجودیت‌های پایه و DbContext برنامه 
     
  2. سرویس‌های پایه 
     
  3. نرمال سازها و اعتبارسنج‌ها 
     
  4. User Claims 
     
  5. سیاست‌های دسترسی پویا 
     
  6. فارسی سازی پیام‌ها
• امکان ساخت قالب برای پروژه‌های NET Core.
  
• تبدیل قالب‌های سفارشی پروژه‌های NET Core. به بسته‌های NuGet