Visual Studio Code

Install the latest version of C# for Visual Studio Code from the marketplace or via the Extensions tab. 

With Visual Studio Code open, press Ctrl+Shift+X and search for C#, install  C# for Visual Studio Code by Microsoft.

Install  .NET Core 3.0 SDK or later 

.NET Core CLI Commands

• dotnet new: Creates a new project from the specified template. If you want to create an MVC application, you can use dotnet new mvc. 
• dotnet restore: Restores all the NuGet dependencies of our application. 
• dotnet build: Builds our project. 
• dotnet run: Executes our project. 
• dotnet watch run: Runs our project and watches for file changes to rebuild and rerun it. 
• dotnet publish: Creates a deployable build (the .dll) of our project. 
• dotnet --list-sdks : look all net version in your computer

 

https://docs.microsoft.com/en-us/dotnet/core/tools/

Visual Studio 2017 - C# 7.0 Features

1. Out Variables

static void Main(string[] args)
{
    string first = "M";
    string last = "K";
    string name = string.Empty; //have to pre-declare before using the out.
    GetName(first, last, out name);

    //In c# 7.0, you can declare in the variable line
    GetName(first, last, out string name1);
    GetName(first, last, out var name2); ////use var instead of string
}

static void GetName(string first, string last, out string name)
{
    name = first + " " + last;
}