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Git Snippets

Just a record of useful or infrequently used Git snippets:

To take all of the changes from the branch to be merged i.e. theirs:


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EF CodeFirst Database.SetInitializser Requires Connection to 'master' Database Error

One of the features of EF CodeFirst is the ability to automatically drop and recreate a database if the model changes or if the database does not exist, which is pretty useful when just doing development work. In a web app this is done in the Global.asax file within "protected void Application_Start()" as per this post from Scott Guthrie -  http://weblogs.asp.net/scottgu/archive/2010/07/16/code-first-development-with-entity-framework-4.aspx . An example would be: protected void Application_Start() { Database.SetInitializer<yourdbcontex>(new DropCreateDatabaseIfModelChanges<yourdbcontext>()); AreaRegistration.RegisterAllAreas(); RegisterGlobalFilters(GlobalFilters.Filters); RegisterRoutes(RouteTable.Routes); } However when using the Database.SetInitializer and trying to rebuild the database, the following exception may be encountered, especially if using SQL Server Express: "This operation requires a connection to the 'master'...
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Enable .NET 8 Preview in Visual Studio

Download the SDK using Download .NET 8.0 (Linux, macOS, and Windows) (microsoft.com)  and install it. To enable projects to target the .NET 8 preview framework, the preview option in Visual Studio needs to be enabled, otherwise the option to target .NET 8 will not be available as shown below when setting up a new project (or trying to upgrade an existing one). To allow .NET 8 Preview to be used as a target framework for projects, the preview option needs to be enabled in Visual Studio. Open Visual Studio and select "Continue without code" In Visual Studio, select Tools then Options In Options, under Environment, select Preview Features and enable Use previews of the .NET SDK.
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.NET 8 Blazor Server App _Host Routing Internal Server Error

 When firing up a new Blazor Server App with .NET 8 Preview, the following error was occurring.   An unhandled exception occurred while processing the request. InvalidOperationException: Cannot find the fallback endpoint specified by route values: { page: /_Host, area: }. Microsoft.AspNetCore.Mvc.RazorPages.Infrastructure.DynamicPageEndpointMatcherPolicy.ApplyAsync(HttpContext httpContext, CandidateSet candidates) To resolve, the project file can be updated with   References https://github.com/dotnet/aspnetcore/issues/36535#issuecomment-919861308 More info available on UseRazorSourceGenerator at  https://learn.microsoft.com/en-us/aspnet/core/razor-pages/sdk?view=aspnetcore-7.0
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