C#

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In many solutions, .NET standard has been used to share code between .NET Framework and .NET Core projects. Since the release of .NET 5, you probably will think what is the .NET standard version for C# 9 language features. Well, the answer is simple - there is no need to have another version of ...

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.NET 5.0 release candidate 1 (rc.1) was published on 2020-09-14, which marks another big step towards the official .NET 5.0 release. As part of 5.0, C# 9.0 will be released with a bunch of new features. This article summarizes some of the new features with examples. Download .NET 5.0 SDK from this ...

local_offer C# local_offer .NET

Python, R and many other scripting languages generally support interactive programming features in their IDEs. When C# was created initially, all C# written programs need to be complied into MSIL first before it can run in .NET runtime environments (unless the code is dynamically complied).  ...

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This page summarize information about how to retrieve client and server IP address in ASP.NET core applications.  Client IP address can be retrieved via HttpContext.Connection object. This properties exist in both Razor page model and ASP.NET MVC controller. Property  RemoteIpAddress ...

local_offer C#

C# regular expressions can be used to match and replace certain text patterns from a string variable. The following regular expression can be used to remove all heading tags incl. h1 to h9 from HTML text string. <[hH][1-9][^>]*>[^<]*</[hH][1-9]\s*> var html = "Your HTML ...

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Language-Integrated Query (LINQ) is a set of technologies based on the integration of query capabilities directly into the C# or VB language in .NET. It allows intuitive query against SQL databases, XML, object list, etc.  This article shows how to return a top N records randomly.  The ...

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Microsoft 365 and Office 365 supports using licensed user account to send emails in client applications. SMTP protocol can be used to send emails in ASP.NET Core applications. This article shows how to use SMTP AUTH to send emails in ASP.NET Core 3.1 applications. warning  This guide is ...

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In SQL Server or some other relational databases, it is a very common requirement to create covering index with columns included in index pages beside the index key columns. With Entity Framework Core, you can also easily generate covering indexes using purely C# code. For Kontext website, backend ...

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In this article, I'm going to show you how to install Jupyter in Windows and then install .NET kernel for Jupyter notebooks. It also shows a machine learning example using ML.NET. The target audience are .NET developers who want to expand their skills in data engineering and science domain with ...

local_offer C# local_offer .NET

This code snippet shows how to convert string to date.