C# is pronounced “C-Sharp”, C# is a modern, object-oriented, general-purpose programming language developed by Microsoft. It was introduced in the early 2000s as part of the .NET framework and has since become one of the most popular programming languages. C# is a powerful language that can be used to create a wide variety of applications, including web applications, desktop applications, and mobile applications and more.

What are feature of C# ?

Some of the key features of C# include:

1. Object-Oriented: C# is a fully object-oriented language, allowing developers to create and use classes, objects, inheritance, polymorphism, and encapsulation.
2. Garbage Collection: C# uses automatic garbage collection to manage memory, making memory management easier for developers.
3. Interoperability: C# is interoperable with other programming languages, such as C++, Java, and Visual Basic.
4. Type Safe: C# type safe code can only access the memory location that it has permission to execute. Therefore it improves a security of the program.
5. Rich Library: C# provides a lot of inbuilt functions that makes the development fast.
6. Fast Speed: The compilation and execution time of C# language is fast.
7. Type-Safe: C# enforces strong type checking, which helps prevent type-related errors during the development process.
8. Asynchronous programming: C# supports asynchronous programming, which allows you to write code that runs in the background while the main thread of execution continues.
9. Scalable and Updateable: C# is a programming language that allows for easy updates and scalability. When we want to update our application, we replace the old files with the new ones to ensure the latest version is running. This simplicity makes it convenient to keep our software up-to-date with the latest features and improvements
10. Structured Programming Language: C# is a structured programming language in the sense that we can break the program into parts using functions. So, it is easy to understand and modify.

What is the workflow of C# ?

1. Writing Code: Start by writing C# code using a text editor or an integrated development environment (IDE) like Visual Studio.
2. Compilation: Once the code is written, it needs to be compiled into an intermediate language called Common Intermediate Language (CIL) or Microsoft Intermediate Language (MSIL). This compilation is done by the C# compiler (csc.exe).
3. Intermediate Language and JIT Compilation: The compiled code is then executed by the Common Language Runtime (CLR), which converts the CIL/MSIL code into native machine code through Just-In-Time (JIT) compilation.
4. Execution: The JIT-compiled native code is executed on the target machine.

How C# Works & Architecture?

1. Source Code (.cs files): C# code is written in text files with a .cs extension.
2. C# Compiler: The C# compiler (csc.exe) compiles the C# source code into intermediate language code (CIL/MSIL).
3. Common Language Infrastructure (CLI): CIL/MSIL code is platform-independent and runs on any system with a CLI implementation.
4. Common Language Runtime (CLR): The CLR is responsible for loading and executing the CIL/MSIL code. It provides services like memory management (garbage collection), security, and exception handling.
5. JIT Compilation: When the CIL/MSIL code is executed, the CLR uses Just-In-Time (JIT) compilation to convert it into native machine code, specific to the target platform, for better performance.

How to Install and Configure C# ?

To install and configure C#, you will need to:

1. Download and install the .NET Framework. This is the foundation on which C# is built, and it is required to run C# applications. You can download the .NET Framework from the Microsoft website: https://dotnet.microsoft.com/en-us/download/dotnet-framework.
2. Install a C# IDE. There are many different C# IDEs available, such as Visual Studio, Visual Studio Code, and JetBrains Rider. Each IDE has its own strengths and weaknesses, so you may want to try a few different ones before you decide which one you like best.
3. Configure your IDE. Once you have installed an IDE, you will need to configure it for C# development. This typically involves setting the project type to “C#” and selecting the appropriate .NET Framework version.

How to Download and Install Visual Studio for C# in Windows

Step 1) Download Visual Studio

First, visit the following Visual Studio free download link 

https://visualstudio.microsoft.com/downloads/

You can select

• Visual Studio 2022 Community Edition
• Visual Studio 2022 Professional Edition (30 Day Free Trial)

Step 2) Open the .exe file

Click on the free downloaded option

Step 3) Start the installation

In the next screen, click continue to start Visual Studio installation.

Step 4) Let the installation complete

Visual Studio will start downloading the initial files. Download speed will vary as per your internet connection.

Step 5) Choose the software version

In next screen, click install

Step 6) Select the desktop version

In next screen,

1. Select “.Net desktop development”
2. Click install

Step 7) Wait for the files to be downloaded

Visual Studio will download the relevant files based on the selection in step 6

Step 8) Reboot your PC

Once the download is done, you will be asked to reboot the PC to complete Visual Studio setup

Step 9) Open Visual Studio

Post reboot, open the Visual Studio IDE

1. Select a theme of your choice
2. Click Start Visual Studio

Step 10) Start using Visual Studio

In Visual Studio IDE, you can navigate to File menu to create new C# applications.

That’s it to Visual Studio for C# installation.

Fundamental Tutorials of C# ?

Here are the step-by-step instructions on how to write a “Hello, World!” program in C#:

1. Open a text editor and create a new file.
2. Save the file with the .cs extension.
3. Write the following code in the file:

C#

// Hello, World! program

using System;

namespace HelloWorld
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello, World!");
        }
    }
}

4. Save the file and compile it.
5. Run the program.

The program should print the following output to the console:

Hello, World!

Explanations of these code

The post What is C# and How C# Works & Architecture? appeared first on Artificial Intelligence.

Web frameworks are usually used by the developers to ease the building process of web applications. They help developers to concentrate more on the task rather than the complex coding part. According to the Stack Overflow Developer Survey 2019, among nearly 90,000 developers, 63,585 developers chose the most loved web frameworks where jQuery, React.js and Angular secured the first, second and third positions respectively.

In this article, we list down the 11 most popular web frameworks that have been used by the developers in 2019.

(The frameworks are listed down in the order of their popularity)
1| jQuery

Created in 2006, jQuery is a free and open-source JavaScript library designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, among others. This library simplifies the interaction between JavaScript and Document Object Model (DOM). The other features of this library are cross-browser support, AJAX support, CSS3 selectors and basic XPath syntax support, among others. As of May 2019, this library has been used by 72% of the 10 million most popular websites.
W3Schools
2| React

React is a declarative, efficient, and flexible JavaScript library for building user interfaces. This framework lets a developer compose complex UIs from small and isolated pieces of code called “components”. It can be used as a base in the development of a single-page as well as a mobile application.
3| Angular(previously Angular JS)

Created by the Angular Team at Google and a group of developers community, Angular is a TypeScript-based open-source web application framework. This development platform can be used for building mobile and desktop web applications using TypeScript/JavaScript and other languages. It uses a hierarchy of components as its primary architectural characteristic and has a different expression syntax for property and event bindings.
4| ASP.NET

ASP.NET is an open-source, cross-platform framework for building web applications as well as services with .NET and C#. Created by Microsoft, this framework allows developers to build dynamic web applications. It enables real-time bi-directional communication between server and client. For building web applications, ASP.NET extends the .NET platform with tools and libraries such as web-page templating syntax, known as Razor for building dynamic web pages using C#, the base framework for processing web requests, libraries for common web patterns and other such.
5| Express

Express is an open-source web application framework for Node.js. This is a minimal and flexible Node.js web application framework which provides a robust set of features for web and mobile applications. The features of this framework include allowing to dynamically render HTML Pages based on passing arguments to templates, setting up of middlewares and much more.
6| Spring

Spring is an application framework written in Java programming language. This framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications – on any kind of deployment platform. It includes a number of modules to provide services such as aspect-oriented programming, convention over configuration, data access, database connectivity and much more.
7| Vue

Vue is a popular framework in JavaScript. It is an open-source progressive framework for building user interfaces and is designed in such a manner that the core library is focused on the view layer only, and is easy to pick up and integrate with other libraries or existing projects.
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8| Django

Django is a high-level Python-based open-source web development framework for backend web applications. In one of our articles, we discussed the final release of Django 3.0 which will bring a number of intuitive features. This framework is designed to satisfy the complex requirements of experienced web developers.
9| Flask

Flask is a lightweight WSGI Python web application framework. This framework became widely popular as an alternative to Django projects with the monolithic structure and dependencies. It is classified as a microframework because it does not require particular tools or libraries.
10| Laravel

Laravel is a web application framework with syntax written in PHP language. Some of the features of Laravel are a modular packaging system with a dedicated dependency manager, different ways for accessing relational databases, built-in authentication and authorisation, MVC support and Object-Oriented approach, Artisan Console, Eloquent ORM and other such.
11| Ruby on Rails

Ruby on Rails is one of the most popular frameworks written in Ruby. This is an open-source server-side web application framework which is a model–view–controller (MVC) framework that provides default structures for a database, web pages, etc. It is a framework for building websites and it combines the Ruby programming language with HTML, CSS, and JavaScript to create a web application that runs on a web server.

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