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Programming

About Microsoft.NET, C#/VB/C++, WPF/WCF/WinForm/Silverlight, Windows Azure, SQL Server, Windows Phone, etc.

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angular lite-log

ng is not recognized as an internal or external command (Windows 10)

3 views   0 comments last modified about 17 hours ago

Problem When you follow Angular CLI installation guide in Windows, you may encounter the following error: ng is not recognized as an internal or external command The resolutions are available in the following link: ...

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dotnet core lite-log

Set AttachDbFilename as Relative Path in .NET Core

316 views   0 comments last modified about 5 months ago

.NET Framework, you can use |DataDirectory| to configure connection string when connecting to SQL Server database file via attach mode: AttachDbFilename=|DataDirectory|\dbname.mdf In .NET Core, you cannot directly set SQL Server Express connec...

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dotnet core lite-log

Instantiate a Service in ConfigureServices Method in .NET Core

45 views   0 comments last modified about 5 months ago

.NET Core is built in with dependency injection. Usually method ConfigureServices in Startup class is used to register services in the container. The signature of the method looks like the following: public void ConfigureServices(IServiceC...

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.net core lite-log

ASP.NET Core 2.1 Error - 'Cyrillic' is not a supported encoding name

279 views   0 comments last modified about 5 months ago

After upgrading to ASP.NET Core 2.1 (.NET Core SDK 2.1.301), you may encounter the following error about encoding: System.ArgumentException    HResult=0x80070057    Message='Cyrillic' is not a supported encoding name. For information on defining a custo...

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.net core entity-framework

SQLite in .NET Core with Entity Framework Core

173 views   0 comments last modified about 5 months ago

SQLite is a self-contained and embedded SQL database engine. In .NET Core, Entity Framework Core provides APIs to work with SQLite. This page provides sample code to create a SQLite database using package Microsoft.EntityFrameworkCore.Sqlite . Create sample project ...

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asp.net core 2 .net core

Graphics Programming and Image Processing in .NET Core 2.x

137 views   0 comments last modified about 5 months ago

In .NET Core 2.x, Windows Forms or WPF are not implemented since they are based on GDI+ and DirectX respectively in Windows. In .NET Core 3.0, there is plan to add Desktop Packs which includes UWP. WPF and Windows Forms. However, they will still be Windows-only. In .NET Core applications, you may...

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lite-log powershell

Script to Start Multiple Virtual Machines

183 views   0 comments last modified about 7 months ago

The following is a PowerShell code snippet to start multiple VMs through vmplayer.exe: # Navigate to the folder where vmplayer.exe file exists cd "D:\Program Files (x86)\VM Player" # Start the VMs by using vmplayer...

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dotnetcore bootstrap

ASP.NET Core 2 with Bootstrap 4 Bundler Minifier Issue: Expected semicolon or closing curly-brace found '-'

1005 views   1 comments last modified about 10 months ago

Background When upgrading Bootstrap to v4.0.0 release, the bundler and minifier doesn’t work properly due to CSS variable is commonly used: :root{--blue:#007bff; About 26 errors will show up in the Error List with the following message: ...

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lite-log linux

Mount Windows Shared Folder in SUSE or other Linux VMware Guest

136 views   0 comments last modified about 8 months ago

This page summarizes the steps to mount a windows shared folder in a Linux VMware guest machine, i.e. SUSE. Setup shared folder In Virtual Machine Settings windows, add shared folder. ...

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lite-log powershell

Calculate Time Difference between Dates in PowerShell

470 views   0 comments last modified about 8 months ago

PowerShell provides a number of cmdlets to retrieve current date time and to create time span object. Calculate time difference - CmdLets $current = Get-Date $end= Get-Date $diff= New-TimeSpan -Start $current -End $end Write-Output "Time difference is: $di...

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