Visual Studio Dev Essentials is a new free developer offering from Microsoft. A free membership to this program gives you access to a range of benefits including developer tools and services, training and support. This video provides an overview of some key benefits, including Visual Studio Community, Visual Studio Team Services, Pluralsight training, and HackHands live programming help 

Final releases of Visual Studio 2015 Update 1 and Team Foundation Server 2015 Update 1.

• Visual Studio 2015 Update 1
• Team Foundation Server 2015 Update 1
• Team Foundation Server Express 2015 Update 1
• TFS Office Integration installer
• TFS Project Server Extensions

Here are the release notes:

• Visual Studio 2015 Update 1 Release Notes
• Team Foundation Server 2015 Update 1 Release Notes  

In Visual Studio 2015 Succinctly, author Alessandro Del Sole explains how to take advantage of the highly anticipated features in Microsoft Visual Studio 2015. Topics include sharing code between different types of projects, new options for debugging and diagnostics, and improving productivity with other services in the Visual Studio ecosystem, such as NuGet and Azure.

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto" />
        <RowDefinition Height="Auto" />
        <RowDefinition Height="*" />
        <RowDefinition Height="28" />
    </Grid.RowDefinitions>
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="Auto" />
        <ColumnDefinition Width="200" />
    </Grid.ColumnDefinitions>
</Grid>

 <ColumnDefinition Width="69*" />   <!-- Take 69% of remainder -->
    <ColumnDefinition Width="31*"/> <!-- Take 31% of remainder -->

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto" />
        <RowDefinition Height="Auto" />
        <RowDefinition Height="*" />
        <RowDefinition Height="28" />
    </Grid.RowDefinitions>
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="Auto" />
        <ColumnDefinition Width="200" />
    </Grid.ColumnDefinitions>
    <Label Grid.Row="0" Grid.Column="0" Content="Name:"/>
    <Label Grid.Row="1" Grid.Column="0" Content="E-Mail:"/>
    <Label Grid.Row="2" Grid.Column="0" Content="Comment:"/>
    <TextBox Grid.Column="1" Grid.Row="0" Margin="3" />
    <TextBox Grid.Column="1" Grid.Row="1" Margin="3" />
    <TextBox Grid.Column="1" Grid.Row="2" Margin="3" />
    <Button Grid.Column="1" Grid.Row="3" HorizontalAlignment="Right" 
            MinWidth="80" Margin="3" Content="Send"  />
</Grid>

Auto sized GridLength.Auto
Star sized new GridLength(1,GridUnitType.Star)
Fixed size new GridLength(100,GridUnitType.Pixel)

Grid grid = new Grid();
 
ColumnDefinition col1 = new ColumnDefinition();
col1.Width = GridLength.Auto;
ColumnDefinition col2 = new ColumnDefinition();
col2.Width = new GridLength(1,GridUnitType.Star);
 
grid.ColumnDefinitions.Add(col1);
grid.ColumnDefinitions.Add(col2);

<Grid>
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="*"/>
        <ColumnDefinition Width="Auto"/>
        <ColumnDefinition Width="*"/>
    </Grid.ColumnDefinitions>
    <Label Content="Left" Grid.Column="0" />
    <GridSplitter HorizontalAlignment="Right" 
                  VerticalAlignment="Stretch" 
                  Grid.Column="1" ResizeBehavior="PreviousAndNext"
                  Width="5" Background="#FFBCBCBC"/>
    <Label Content="Right" Grid.Column="2" />
</Grid>

@{
    Layout = "_Layout";
}

using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc.Localization;
using Microsoft.AspNetCore.Mvc.Razor;
using Microsoft.AspNetCore.Mvc.Razor.Internal;

namespace Core1RtmTestResources.StartupCustomizations
{
    public abstract class MyCustomBaseView<TModel> : RazorPage<TModel>
    {
        //روش خاص تزریق وابستگی‌ها در فایل ویژه‌ی جاری
        [RazorInject]
        public IHtmlLocalizerFactory MyHtmlLocalizerFactory { get; set; }

        public IHtmlLocalizer MySharedLocalizer => MyHtmlLocalizerFactory.Create(
            baseName: "SharedResource" /*مشخصات*/,
            location: "Core1RtmTestResources.ExternalResources" /*نام اسمبلی ثالث*/);

        public bool IsAuthenticated()
        {
            return Context.User.Identity.IsAuthenticated;
        }

#pragma warning disable 1998
        public override async Task ExecuteAsync()
        {
        }
#pragma warning restore 1998
    }
}

{
    "dependencies": {
        //same as before
        "Microsoft.AspNetCore.Mvc.Razor": "1.0.0"
    }
}

@using Core1RtmTestResources
@using Microsoft.AspNetCore.Mvc.Localization
@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers

@inherits Core1RtmTestResources.StartupCustomizations.MyCustomBaseView<TModel>

document.cookie = 'mySecondCookie=mySecondValue; path=/'

public class ApplicationRoleStore :
        RoleStore<Role, ApplicationDbContext, int, UserRole, RoleClaim>,
        IApplicationRoleStore


public class ApplicationUserStore :
        UserStore<User, Role, ApplicationDbContext, int, UserClaim, UserRole, UserLogin, UserToken, RoleClaim>,
        IApplicationUserStore