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abellasystems · 1 year ago

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Top 23 .NET Core Libraries Every Developer Must Know

.NET Core has emerged as a powerful and versatile platform for developing modern applications. With a rich ecosystem of libraries and frameworks, developers can streamline their workflow and create robust, feature-rich applications. In this blog post, we will explore the top 23 .NET Core libraries that every dot net developer should be familiar with. These libraries cover a wide range of functionalities, from web development and data manipulation to testing and security.

1. ASP.NET Core

ASP.NET Core is a widely-used framework for building web applications and APIs. It offers enhanced performance and cross-platform capabilities, making it a top choice for web development.

2. Entity Framework Core

Entity Framework Core simplifies database interactions by providing an object-relational mapping (ORM) system. It enables developers to work with databases using object-oriented programming.

3. Newtonsoft.Json

Newtonsoft.Json, also known as JSON.NET, is a popular library for working with JSON data. It simplifies JSON serialization and deserialization, making it easier to integrate web services.

4. AutoMapper

Automapper allows developers to map between different object types automatically. It's particularly useful when dealing with complex object mappings.

5. FluentValidation

FluentValidation is a powerful library for creating and validating complex validation rules in a clean and concise manner.

6. Serilog

Serilog is a flexible logging library that offers structured logging and various sinks for storing log data, such as databases and file systems.

7. Dapper

Dapper is a micro ORM that offers high performance when working with databases. It allows developers to write raw SQL queries and map the results to .NET objects.

8. Polly

Polly is a resilience and transient-fault-handling library that helps developers create robust applications by handling exceptions and retries.

9. IdentityServer

IdentityServer simplifies implementing authentication and authorization in your applications, making it a go-to library for building secure systems.

10. MediatR

MediatR implements the mediator pattern, making it easier to manage communication between different parts of your application without tight coupling.

11. SignalR

SignalR facilitates real-time communication between clients and servers, making it ideal for applications that require instant updates.

12. Hangfire

Hangfire is a library for scheduling and executing background tasks in your application. It ensures tasks are processed reliably and efficiently.

13. Microsoft.Extensions.DependencyInjection

This library provides a lightweight dependency injection framework that simplifies managing object lifetimes and dependencies.

14. Swashbuckle (NSwag)

Swashbuckle and NSwag are libraries that generate Swagger/OpenAPI documentation for your APIs, making them easier to understand and consume.

15. Polly

Polly is a resilience and transient-fault-handling library that helps developers create robust applications by handling exceptions and retries.

16. AutoMapper

Automapper allows developers to map between different object types automatically. It's particularly useful when dealing with complex object mappings.

17. Flurl

Flurl simplifies working with URLs and HTTP requests by providing a fluent interface for building and sending HTTP requests.

18. AngleSharp

AngleSharp is a library for parsing and manipulating HTML and XML documents, making it essential for web scraping and parsing tasks.

19. Microsoft.Extensions.Configuration

This library simplifies configuration management by providing a consistent way to access configuration settings from various sources.

Conclusion

As a .NET Core developer, having a solid understanding of these libraries can significantly boost your productivity and enable you to create more robust and feature-rich applications. Whether you're working on web applications, APIs, background processing, or data manipulation, these libraries offer valuable tools to streamline your development process. Stay updated with the latest versions and explore how these libraries can be integrated to maximize the potential of your .NET Core projects.

#.NET Development Company #custom .NET development company #asp .NET development services

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kilopbob · 2 years ago

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Migrate from 5 to toweb 6

Migrate from 5 to toweb 6 serial number#

Please find attached a screenshot of in subject excel spreadsheet. I hope i have explained clearly my need and available to provide further. By moving time intensive tasks to a queue, your application can respond to web requests with blazing speed and provide a better user experience to your. As a result, even if on the surface things seem similar (we have controllers, filters, actions etc), as you go deeper under the hood you realize that most, if not all, of your pipeline customizations.

Migrate from 5 to toweb 6 serial number#

I need a single formula into "Item auto-fill" column into in/out flow tab which lookup into Italy tab for Asset tag value (J4,Italy!A:G,7,FALSE), if error/NA look for IMEI (J4,Italy!B:G,6,FALSE)), if error/NA look for serial number (J4,Italy!C:G,5,FALSE)), if error/NA look for part number into Part No./Drops tab (J4'Part No./Drops'!A:B,2,FALSE)) and finally if error/NA for all the vlookup return "no match".īriefly i would need a single formula which lookup for a value into different columns on Italy tab and into Part No./Drops tab at same time. Migrating an MVC 5 project to ASP.NET 5 and MVC 6 is a big challenge given that both of the latter are complete rewrites of their predecessors. Then there is a tab( this is the one which i need the formula for) where i need to track in/out flow which have auto-fill function based on asset tag/IMEI/Serial number/part number. NET Core 3.1 Web API Project and then automatically copy and rewrite your existing ServiceContract types. Visual ReCode will guide you through creating a new. There is also another tab named "Part No./Drops" where there is db of non-asset tagged items (e.g. If you want to migrate to a modern micro-services approach you can convert your WCF applications to use a native HTTP API - built with ASP.NET Core. This can be done by pushing the site from a source server or pulling it from the target server. =IFERROR(IFERROR(IFERROR(IFERROR(IFERROR(VLOOKUP(J4,Italy!A:G,7,FALSE),VLOOKUP(J4,Italy!B:G,6,FALSE)),VLOOKUP(J4,Italy!C:G,5,FALSE)),VLOOKUP(J4'Part No./Drops'!A:B,2,FALSE)),"no match"))īasically i have an excel with a tab named Italy where i have db of all hardware(asset tag column A, IMEI column B, serial number column C. Alternative ways of using Web Deploy for migration. I All, i would need help in use same effect formula used in Google spreadsheet into O365 web collaboration excel.īelow the current working Google formula :

#Migrate from 5 to toweb 6

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lasclpatch · 2 years ago

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Multiple selected files in Folder (Directory) will be added to a Zip File and will be sent for download. This article will make use of DotNetZip library for compressing files and creating Zip file in ASP.Net MVC Razor.

Free compressed zip folder download how to#

This is why we have built the Zamzar compression tool. Here Mudassar Ahmed Khan has explained with an example, how to download Compressed Zip File archive from Web API in ASP.Net MVC Razor. However, most of the time we want to be able to send files quickly and to also be able to consume them easily.

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#Free compressed zip folder download

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airoglobalsoftware · 3 years ago

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hireasp · 3 years ago

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Tips to Hire Expert ASP.Net Developers

ASP.NET is an open-source server-side web application framework designed for web development that produces dynamic websites. Developed and introduced in 2002 by Microsoft, ASP.NET helps developers build expert websites, web apps, and web-based services. Hire dot net developer.ASP.NET enhances the .NET developer platform by providing tools and libraries designed specifically for building web-based applications. .NET is an application platform for developers made up of programming languages, tools, and libraries that can be used to create various kinds of applications. Hire Asp.Net Developer

Services of ASP.NET

Fast and Scalable

Hire .net developer. ASP.NET offers the highest performance and speed compared to other web frameworks.

Make Secure Apps

They are offering industry-standard authentication protocols. ASP.NET built-in features provide vital protection for applications against Cross-site scripting (XSS) and cross-site request forgery (CSRF). ASP.NET supports multi-factor authentication as well as external authentication via Google, Twitter, and many more.

Active Community and Open Source

Get fast answers to your questions by joining an engaged community of programmers in Stack Overflow, ASP.NET forums, and many others.

Cross-Platform

Code can run natively on any operating system that supports it, including C#, F#, or Visual Basic. A variety of .NET implementations do the bulk of the work. The .NET framework offers a robust guide for desktop applications and more for Windows.

Libraries

Microsoft and others keep an active package ecosystem based around the .NET Standard to improve and increase capabilities.

Evolved Framework

There are millions of applications that have been developed with .NET in various fields. Build native applications for Windows, iOS, and Android using existing C# skills. You could even employ an expert C# programmer to meet your requirements.

Writing in a language that is continuously evolving and stable is essential. It makes life easier and more enjoyable, but it can also boost employees' productivity and, in certain instances, helps avoid expelled errors and bugs.

Model Binding

Do you know that due to model binding, Razor controllers and pages can work using data derived directly from requests made via HTTP? Concerning this, you will be able to instantly and effortlessly obtain valuable information, with no need to code once more.

This model binding technique extracts information from various sources, such as routes, fields, or inquiry strings. Also, this program provides details to razor pages and controllers within the public domain, as well as parameters and properties.

Asynchronous programming patterns

When you use ASP.NET, you can enjoy excellent help with Asynchronous programming patterns. Async is present across every class in the .NET Framework and most of the libraries.

One of the primary reasons why ASP.NET Core is quicker is the extensive use of synchronous patterns within the developed MVC Frameworks.

Simple to keep

You don't need to think of a lot to grasp this part. The reason for this is easy and sensible. The logic is that it's simple to maintain a smaller amount of code than complicated ones.

It might not be easy for those who have just started as a developer to master this technique. However, for an experienced developer, he knows how to optimize all code within ASP.NET The Core.

It is essential to stay up-to-date with all the most current improvements for language development. Continuously research and study the latest changes to the programming language.

Optimize Data Access

Have you ever thought about the fact that accessing data is among the slowest tasks in any program? It is exhausting and dropping for many developers at times.

One must connect all data access to APIs asynchronously. It is necessary to cut down on roundtrips to the database and retrieve only the needed data. Try not to use projection queries in a collection. In a place where you're using Entity Framework Core to connect to data, be sure that you adhere to the rules and guidelines within Entity Framework Core.

However, on the other side, if you're using a program that does not allow data to be changed by the program, It is suggested that you use the non-tracking query.

Characteristics of ASP.Net

Cross-platform support

With the development of technology today, developers can benefit from cross-platform features through ASP.Net and use the solution for Windows, Linus, and Mac OS.

More reliable performance

Performance is the first aspect when developing projects with the most recent update to the ASP. Net framework. Developers are now able to enjoy improved performance and speed when creating web-based applications. An ASP.Net specialist will notice the changes in the performance of applications developed using ASP. Net technology in comparison to other options. Other features such as networking and concurrency, compression, and serialization can compute with more incredible speed in the latest version.

Additionally, it reduces it is also smaller in size. HTTP request size has been decreased to 2Kb, which further improves the performance.

Applications hosted by self-hosted

ASP.net developers can now build self-hosted applications with the technology without relying on the Internet Information Service(IIS). The applications are hosted by themselves. When it is about Linux systems, web applications are hosted with Nginx. IIS and Nginx provide opposite proxy support for these types of applications.

Support of SignalR Java Client

SignalR Java client is comprised of components of Javascript on both the client as well as server sides. Designed especially for .Net Framework, The SignalR Java Client library permits the server to send out asynchronous notifications to applications installed on the client-side. Developers can utilize this client to include features in the application in real-time. Besides this, the client chooses the most appropriate method of transportation depending on the available resources on both the server and the client-side.

The razor page's introduction

A new feature in ASP.Net includes the creation of razor pages. The pages simplify the coding process and increase efficiency. With these pages, developers cannot develop self-sufficient views for controllers that allow them to create scenarios that are related to development. The ease of making these scenarios lets developers get a good overview of the entire architecture of the software.

Development Models

Web

Develop web-based applications and services on various platforms, including Windows, Linux, macOS, and Docker.

Mobile

A single codebase enables you to create native mobile applications on iOS, Android, and Windows.

Desktop

Create stunning and persuasive desktop applications designed for Windows or macOS.

Microservices

Microservices that can be individually used and are run by Docker container.

Gaming

Design engaging and well-known 2D and 3D-based games agreeable with the most popular PCs, smartphones, consoles, and desktops.

Machine Learning

Use different vision algorithms, prediction models, speech processors, and much more to your applications.

Cloud

Consume cloud services that are already available or design and launch an app of your own.

Internet of Things

Create IoT applications that have an integrated support system as well as other single-board computers.

Here are Tips to Hire Remote ASP.NET Developers

Professional technical screening of .NET developer abilities in a video or phone interview.

It is essential to screen ASP.NET developers to draw what skills they possess. To employ committed remote ASP.Net developers, you must know the candidate's background and technical knowledge by asking them direct questions about the skills you're looking to confirm. You can ask questions regarding ASP.NET MVC and know developers' capabilities to build reliable and secure web-based apps. The questions you ask must be different based on the job you're looking to fill and the skills you are looking to approve.

Online Coding Test

Online coding tests can be an excellent method of explaining the experience of ASP.NET developers. Performing online coding tests could assist in evaluating applicants more effectively than interview screening or resume screening.

Based on your business's strategy, coding tests can are an excellent method for screening .NET developer abilities or an additional option, in addition to an analysis of the resume and a phone meeting. Keep examining to find programming tests that will simplify your screening process for technical skills and what should be included to give precise details.

Many companies are turning to coding tests as the primary screening method, as they offer IT recruiters two significant advantages:

Tests on the internet should prove not just .NET developer abilities but also the knowledge of buildings and frameworks.

.NET Coding tests must include programming tasks that are to the roles that candidates are expected to fulfill when they are hired.

They are thinking about creating .NET programming tasks that are based on the code of the company. This is one of the best methods to imitate the job candidates' problems when they are hired.

A programming task that will review challenges in coding.

.NET Developer skills provide information on the applicant's background, his approach to code quality, and how effectively they debug and identify the traps.

Coding tests demonstrate an interest in the selection process, which has an impact that is positive on the candidate's involvement.

Measure the Experience Level

Experience working on massive projects that require a large amount of information. This suggests that the candidate may be able to tackle problems that may arise during every IT project.

Developers are invited to gatherings and programming events is an indication that the applicant is aware of the latest trends and best practices. It is possible to be a skilled and passionate developer.

Suppose a developer is involved in Open-source projects or is a member in meetings. The candidate is informed of .NET technology and is likely to be a part of the project.

#Hire Asp.Net Developer #Hire dot net developer

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onlyinfotech · 4 years ago

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How to Get Started with ASP.NET for API Development

ASP.NET is a platform for building web APIs with C# and .NET. It’s commonly used for app backends, and can automatically serialize classes to JSON. We’ll walk through setting up a service that talks to a database and stores a list of objects. Creating a Project We’ll be using Visual Studio, as it provides great […]

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#API #ASPNet #Development #Programmers #started

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onlyinfotechpost · 4 years ago

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How to Get Started with ASP.NET for API Development

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technteacher · 4 years ago

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How to Get Started with ASP.NET for API Development

Read This Article on CloudSavvy IT ›

from How-To Geek https://ift.tt/2Ew7Dwm from Blogger https://ift.tt/365D4ZN

#Blogger

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praeclarum · 7 years ago

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Xamarin.Forms on the Web

TLDR: I implemented a web backend for Xamarin.Forms so that it can run in any browser. It achieves this without javascript recompilation by turning the browser into a dumb terminal fully under the control of the server (through web sockets using a library I call Ooui). This crazy model turns out to have a lot of advantages. Try it here!

A Need

I have been enjoying building small IoT devices lately. I've been building toys, actual household appliances, and other ridiculous things. Most of these devices don't have a screen built into them and I have found that the best UI for them is a self-hosted website. As long as the device can get itself on the network, I can interact with it with any browser.

There's just one problem...

The Web Demands Sacrifice

The web is the best application distribution platform ever made. Anyone with an internet connection can use your app and you are welcome to monetize it however you want. Unfortunately, the price of using this platform is acuquiecense to "web programming". In "web programming", your code and data are split between the client that presents the UI in a browser and the server that stores and executes application data and logic. The server is a dumb data store while the client executes UI logic - only communicating with the server at very strategic points (because synchronization is hard yo). This means that you spend the majority of your time implementing ad-hoc and buggy synchronization systems between the two. This is complex but is only made more complex when the server decides to get in on the UI game by rendering templates - now your UI is split along with your data.

Getting this right certainly is possible but it takes a lot of work. You will write two apps - one server and one client. You will draw diagrams and think about data state flows. You will argue about default API parameters. You will struggle with the DOM and CSS because of their richness in both features and history. You will invent your own security token system and it will be hilarious. The web is great, but it demands sacrifices.

(And, oh yes, the server and client are usually written in different languages - you have that barrier to deal with too. The node.js crew saw all the challenges of writing a web app and decided that the language barrier was an unnecessary complication and removed that. Bravo.)

Something Different

I was getting tired of writing HTML templates, CSS, REST APIs, and all that other "stuff" that goes into writing a web app. I just wanted to write an app - I didn't want to write all this boilerplate.

I decided that what I really wanted was a way to write web apps that was indistinguishable (from the programmer's perspective) from writing native UI apps. If I wanted a button, I would just new it up and add it to other UI elements. If I wanted to handle a click event, I wanted to be able to just subscribe to the event and move on. What I needed was a little magic - something to turn my simple app into the server/client split required by web apps.

That magic is a library I call Ooui. Ooui is a small .NET Standard 2.0 library that contains three interesting pieces of technology:

A shadow DOM that gives a .NET interfaces to the web DOM. It has all the usual suspects <div>, <span>, <input>, etc. along with a styling system that leverages all the power of CSS.

A state-synchronization system. This is where the magic happens. All shadow DOM elements record all the operations that have ever been performed on them. This includes changes to their state (setting their inner text for example) but also methods that have been called (for instance, drawing commands to <canvas>). This state can then be transmitted to the client at any time to fully mirror the server state on the client. With this system, all logic is executed on the server while the client renders the UI. Of course, it also allows for the client to transmit events back to the server so that click events and other DOM events can be handled. This is the part of Ooui that I am the most proud of.

A self-hosting web server (with web sockets) or ASP.NET Core action handlers to make running Ooui very easy. If I want to self-host a button, I simply write:

var button = new Button { Text = "Click Me!" }; button.Clicked += (s, e) => button.Text = "Thanks!"; // Start a web server and serve the interactive button at /button UI.Publish("/button", button);

I can do this from any platform that supports .NET Standard 2. I can run this on a Mac, Linux, Windows, Raspberry PI, etc.

Alternatively, you can host it on an ASP.NET MVC page if you want it up on the internet:

public class HomeController : Controller { public IActionResult Index() { var button = new Button { Text = "Click Me!" }; button.Clicked += (s, e) => button.Text = "Thanks!"; // Return interactive elements using the new ElementResult return new ElementResult(button); } }

Pretty neat huh?

But one more thing...

Xamarin.Forms Support

The DOM is great and all, but what do .NET developers really love when you get right down to it? XAML. This little serialization-format-that-could has become the standard way to build .NET UIs. Whether you're writing a Windows, UWP, or mobile app, you expect there to be XAML support.

So I made XAML work on the web by implementing a new web platform for Xamarin.Forms. Now, any of your Xamarin.Forms apps can run on the web using ASP.NET.

Xamarin.Forms was not at all on my radar when I was building Ooui. Eventually though I realized that it was the perfect basis for a web version of Forms. I thought the idea to be a little silly to be honest - web developers love their CSS and I didn't think there was much point. But one day I heard someone ask for just that feature and I thought "now we're two".

I had never written a backend for Xamarin.Forms but found the process very straightforward and very easy given its open sourceness (e.g. I copied a lot of code from the iOS implementation :-)). There's still a bit of work to be done but Xamarin.Forms and Ooui are getting along like long-lost cousins.

Animations work, pages and layouts work, styling works (as far as I have implemented), and control renders are currently being implemented. Fonts of course are an annoyance and cause a little trouble right now, but it's nothing that can't be fixed.

Once I got Xamarin.Forms working on the web I realized how wrong I was for thinking this to be a silly technology. Writing web apps with the Forms API is a real pleasure that I hope you'll get to experience for yourself.

Now that I am officially releasing Ooui, I want to work on a roadmap. But for now I mostly just want to hear people's opinions. What do you think about all this? What are your concerns? How do you think you could use it? Do you think it's as cool as I do? (Sorry, that last one is a little leading...)

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solaceinfotechpvtltd · 5 years ago

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WCF vs Web API: What to Choose for Your Project?

Comparing WCF vs Web API for developing your project is not an easy task. These frameworks are competing with each other in terms of functionality and approach. Final result of selecting the one for development will greatly affect the project. Here we will see the important features and use cases of WCF and Web API that will help you to choose the right technology for your project development.

What is WCF?

WCF stands for Windows Communication Foundation. It is an effective platform for developing service-oriented applications. It allows developers to create secure, reliable, and also high profile development solutions which can be integrated across platforms and interoperate with existing investments.

HTTP services are easily built with this new framework.

Web API is open source. It is a perfect platform to create REST-ful services over the .NET Framework.

As opposed to WCF Rest service, it uses the complete features of HTTP (such as response/request headers, caching, versioning, and numerous content formats)

MVC features support controllers, routing, filter, action results, IOC container, model binders, or dependency injection, and unit testing that simplifies it and makes it more robust.

It can be hosted on IIS or within the application.

Its lightweight design makes it ideal for devices with minimal bandwidth.

Replies are formatted by Web API’s MediaTypeFormatter into XML, JSON, or any other format you wish to add as a MediaTypeFormatter.

What is Web API?

Web API is a framework which allows you to build HTTP services for browsers and mobile devices. It is an ideal platform for developing RESTful applications on the ASP .NET Framework. The ASP.NET Web API is an extensible framework for building HTTP based services that can be accessed in different applications on different platforms such a web, windows, mobile devices, etc.

It’s similar to ASP.NET MVC because it consists of MVC features such as routing, controllers, filter, action results, IOC container, model binders, and dependency injection. It isn’t a part of the MVC Framework, though. It’s an aspect of the core ASP.NET platform which can be used with MVC and similar Web applications such as Asp.Net WebForms. It can also act as an individual Web services application.

Only HTTP protocol is supported.

Any client who understands XML can use it, but it is not open-source.

It is based on return data and SOAP in XML format.

Only IIS can host it.

It supports HTTP POST and GET verbs by [WebInvoke] and [WebGet] attributes.

webHttpBindings must be enabled if WCF as WCF Rest service use is required.

Sending data via parameters using a WebGet warrants configuration. The UriTemplate must be specific.

JSON, XML, and ATOM data formats are supported.

WCF vs Web API-

1. Security-

When looking at WCF vs Web API, both frameworks have accepted security standards. Concerning WCF, skilled security helpers and also frameworks can offer protection on an enterprise-level, which includes security that holds the WS-I (Web Services Interoperability Organization) guidelines. in Web API general web standards are used for security, like Token and Basic authentication . If correctly enforced, security in both frameworks will be as effective as the other, keeping in mind that several organizations sometimes need exact execution of protection. However, RESTful services offer more flexibility than SOAP. This can be helpful when authenticating an outside service like Google, Windows Live IDs, Twitter, or Facebook.

2. Purpose/ Functionality-

As mentioned above, SOAP services must be action-oriented. Also OData/REST must be very resource-oriented. While all action-oriented service can be changed to a resource-oriented service, there are several instances where a single SOAP may result in numerous REST calls. This generates extra overhead in calling the service, so that it makes the client’s code more complicated, and may result in data problems in badly developed systems. Properly developed REST services have the ability to mitigate this with indirect steps. For example, a SOAP call that purchases an item for a shopper may do this:

1. Produce order

2. Minimize the item’s stock quantity

3. Produce a new shipping job

3. Update customer’s order history.

That SOAP call may lead to a quartet of individual REST calls updating all of those resources, or, in a correctly developed system, one produce (POST) PurchaseOrder call that stimulates actions to update the remaining resources as needed. In short, RESTful services must be basic and atomic, yet SOAP services have the adaptability to be complicated and bulky.

Because they can be accessed freely in URLs, REST services are easier to find than SOAP services. Additionally, proper REST services are keen enough to set up the extent that idempotency and endpoints are concerned.

3. Overhead coding-

On the client’s side, it is easy to use HTTP to call a RESTful service, but deserializing and serializing items, hardcoding resource endpoints, and reproducing personalized returnable classes can be problematic. Minimal-level engagement with the web service is abstracted in SOAP services automatically. WCF has many configurations and warrants meticulous XML work to configure it properly. Apart from this, Web API has a regular ready-to-use setup that is effective for many services and offers personalized services.

4. Client Interoperability-

Not only RESTful services but also Web API, focusses on ease of use and being lightweight. Using the same HTTP calls, all applications that can access a website can also access RESTful service. If you’re directly comparing WCF vs Web API, this is different from SOAP, as the client needs to know the web service inside out when using the WSDL file. The WSDL configuration supplements some complexities and warrants extra details that may not be accessible on some devices (smart TVs, phones, and the like) as well as frameworks and programming languages.

5. Bandwidth/speed-

Because RESTful services use only basic HTTP, the response and request packets are usually smaller than SOP response and request packets, which package objects, parameters, metadata, etc. in an XML payload. This is necessary to consider when handling low bandwidth or mobile devices. The easy HTTP response and request also usually easy for people to read than SOAP response/requests. While that is more important because these services tend to be programmatically consumed.

Selection of WCF vs Web API-

If you Require a support for Message queues, end to end message security, duplex communication, distributed transactions, etc., you should choose WCF.

When you already have existing working WCF services and Wants to add HTTP support additionally, choose WCF.

A case where you want to create a resource-oriented service over HTTP you should choose, Web API.

If your project is an MVC application and wants some functionality over HTTP, choose Web API.

If you want to build an HTTP / RESTful services, select Web API.

It’s not possible to select a best in WCF vs Web API competition and state that which choice is superior to the next. There is a simple method of selecting best framework most suitable when developing a new web service. If it’s an internet/external web service, use Web API. While, if it’s an intranet/internal web service, use WCF.

Are you looking to develop a web application for your business? Then you are at the ideal platform. Solace is a software development company which specializes in custom applications development using WCF and Web API as our core strength and foundation. Contact us and we’ll be glad to help you through our experts to develop your next web app.

#wcf vs web api #apps #development #wcf #tech

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suzanneshannon · 6 years ago

Text

Learning about .NET Core futures by poking around at David Fowler's GitHub

David Fowler is the ASP.NET Core Architect (and an amazing highly technical public speaker) and I've learned a lot from watching him code. However, what's the best way for YOU to learn from folks like David if you can't sit on their shoulder? Why, look at their GitHub!

Since .NET Core (and most of Microsoft) is not only open source but also developed in the open now on GitHub, we can actually watch folks in their day to day work as they commit code to projects like the C# compiler, .NET Core, and ASP.NET Core.

Even more interestingly, we can look at David's github here https://github.com/davidfowl and then under Repositories see what he's up to, filter by language and type, and explore! Sometimes I just explore the Pull Requests on projects like ASP.NET Core.

You can have Private repositories on GitHub, as I do, and as I'm sure David does. But GitHub is a social network for code and it's more fun and a better learning experience when we can see each others code and read it. Read with a critical eye, but without judgment as you may not have all the context that the author does. If you went to my GitHub, https://github.com/shanselman you might be disappointed but you also may be missing the big picture. Just consider that as you Follow people and explore their code.

David is an advanced .NET developer, while, for example, I am comparatively intermediate. So I realize that not all of David's code is FOR me. It's a scratchpad, it's not educational how-to workshops. However, I can get pick up cool idioms, interesting directions the tech may be going, and more importantly - prototypes and spikes. Spikes are folks testing out technical ideas. They may not be complete. In fact, they may never be complete. But some my be harbingers of things to come.

Here's a few things I learned today.

gRPC for .NET Core

For example, at https://github.com/davidfowl/grpc-dotnet I can see David has forked (copied) gRPC for dotnet and his game is working with the gRPC folks to make a fully supported version of gRPC for production workloads with .NET Core! Here are the stated goals:

We plan to implement a fully-managed version of gRPC for .NET that will be built on top of ASP.NET Core HTTP/2 server.

Good integration with the rest of ASP.NET Core ecosystem

High-performance (we plan to utilize some of the cutting edge performance features from ASP.NET Core and in .NET plaform itself)

That sounds cool! I can go learn that gRPC is a modern (google sponsored) Remote Procedure Call framework that can run anywhere. It's used by Netflix and Square and supports basically any languaige and any environment. Nice for this microservice world we are entering and hopefully has learned from the sins of DCOM and CORBA and RMI, because I was there and it sucked.

Nothing to see here but moving to a new JSON serializer

This Web.Framework sounds fun, and I'll be sure to take the description to heart.

You can see David and James Newton-King kicking ideas around as you explore the commit log. However, the most interesting commit IMHO is when David moves this little spike from using JSON.NET (the ubiquitous 3rd party JSON serializer) to the new emerging official System.Text.Json. Here is the commit with unified differences.

It's a small change but it also makes me feel good about the API underneath this new JSON API that's coming. My takeway is that it's not as scary as I'd assumed. Looks like a Good Thing(tm).

Cool!

Multi-Protocol ASP.NET Core

This looks interesting.

"The following sample shows how you can host a TCP server and HTTP server in the same ASP.NET Core application. Under the covers, it's the same server (Kestrel) running different protocols on different ports. The ConnectionHandler is a new primitive introduced in ASP.NET Core 2.1 to support non-HTTP protocols."

I didn't know you could do that! Looks like this sample hasn't changed much since it was conceived of in 2018, but then in the last month it's been updated twice and it appears to be part of a larger, slow-moving architectural issue called Bedrock that's moving forward.

I learned that Kestral (the ASP.NET Core web server) has a "ListenLocalhost" option on its options object!

WebHost.CreateDefaultBuilder(args) .ConfigureServices(services => { // This shows how a custom framework could plug in an experience without using Kestrel APIs directly services.AddFramework(new IPEndPoint(IPAddress.Loopback, 8009)); }) .UseKestrel(options => { // TCP 8007 options.ListenLocalhost(8007, builder => { builder.UseConnectionHandler<MyEchoConnectionHandler>(); }); // HTTP 5000 options.ListenLocalhost(5000); // HTTPS 5001 options.ListenLocalhost(5001, builder => { builder.UseHttps(); }); }) .UseStartup<Startup>();

I can see here that TCP port 8007 is customer and uses a custom ConnectionHandler which I also didn't know existed! I can then look at the implementation of that handler and it's cool how clean the API is. You can get the result cleanly off the Transport buffer. You're doing low-level TCP but it doesn't feel low level.

using System.Threading.Tasks; using Microsoft.AspNetCore.Connections; using Microsoft.Extensions.Logging; namespace KestrelTcpDemo { public class MyEchoConnectionHandler : ConnectionHandler { private readonly ILogger<MyEchoConnectionHandler> _logger; public MyEchoConnectionHandler(ILogger<MyEchoConnectionHandler> logger) { _logger = logger; } public override async Task OnConnectedAsync(ConnectionContext connection) { _logger.LogInformation(connection.ConnectionId + " connected"); while (true) { var result = await connection.Transport.Input.ReadAsync(); var buffer = result.Buffer; foreach (var segment in buffer) { await connection.Transport.Output.WriteAsync(segment); } if (result.IsCompleted) { break; } connection.Transport.Input.AdvanceTo(buffer.End); } _logger.LogInformation(connection.ConnectionId + " disconnected"); } } }

Pretty slick. This just echos what is sent to that port but not only has it educated me about a thing I didn't know about, it's something I can mentally file away until I need it!

All of these things I learned in just 30 minutes of exploring someone's public repository.

What kinds of code do you like to read and what have you learned from just poking around?

Sponsor: Get the latest JetBrains Rider for remote debugging via SSH, SQL injections, a new Search Everywhere popup, and improved Unity support.

Learning about .NET Core futures by poking around at David Fowler's GitHub published first on https://deskbysnafu.tumblr.com/

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philipholt · 6 years ago

Text

Learning about .NET Core futures by poking around at David Fowler's GitHub

Here's a few things I learned today.

gRPC for .NET Core

We plan to implement a fully-managed version of gRPC for .NET that will be built on top of ASP.NET Core HTTP/2 server.

Good integration with the rest of ASP.NET Core ecosystem

High-performance (we plan to utilize some of the cutting edge performance features from ASP.NET Core and in .NET plaform itself)

Nothing to see here but moving to a new JSON serializer

This Web.Framework sounds fun, and I'll be sure to take the description to heart.

It's a small change but it also makes me feel good about the API underneath this new JSON API that's coming. My takeway is that it's not as scary as I'd assumed. Looks like a Good Thing(tm).

Cool!

Multi-Protocol ASP.NET Core

This looks interesting.

I learned that Kestral (the ASP.NET Core web server) has a "ListenLocalhost" option on its options object!

Pretty slick. This just echos what is sent to that port but not only has it educated me about a thing I didn't know about, it's something I can mentally file away until I need it!

All of these things I learned in just 30 minutes of exploring someone's public repository.

What kinds of code do you like to read and what have you learned from just poking around?

Sponsor: Get the latest JetBrains Rider for remote debugging via SSH, SQL injections, a new Search Everywhere popup, and improved Unity support.

Learning about .NET Core futures by poking around at David Fowler's GitHub published first on http://7elementswd.tumblr.com/

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just4programmers · 6 years ago

Text

Learning about .NET Core futures by poking around at David Fowler's GitHub

Even more interestingly, we can look at David's github here https://github.com/davidfowl and then under Repositories see what he's up to, filter by language and type, and explore!

Here's a few things I learned today.

gRPC for .NET Core

We plan to implement a fully-managed version of gRPC for .NET that will be built on top of ASP.NET Core HTTP/2 server.

Good integration with the rest of ASP.NET Core ecosystem

High-performance (we plan to utilize some of the cutting edge performance features from ASP.NET Core and in .NET plaform itself)

Nothing to see here but moving to a new JSON serializer

This Web.Framework sounds fun, and I'll be sure to take the description to heart.

It's a small change but it also makes me feel good about the API underneath this new JSON API that's coming. My takeway is that it's not as scary as I'd assumed. Looks like a Good Thing(tm).

Cool!

Multi-Protocol ASP.NET Core

This looks interesting.

I learned that Kestral (the ASP.NET Core web server) has a "ListenLocalhost" option on its options object!

Pretty slick. This just echos what is sent to that port but not only has it educated me about a thing I didn't know about, it's something I can mentally file away until I need it!

All of these things I learned in just 30 minutes of exploring someone's public repository.

What kinds of code do you like to read and what have you learned from just poking around?

Sponsor: Get the latest JetBrains Rider for remote debugging via SSH, SQL injections, a new Search Everywhere popup, and improved Unity support.

#Scott Hanselman's Blog

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lyndastreaming · 5 years ago

Text

Building Web APIs with ASPNET Web API 22

Learn how to connect web and mobile applications to back-end servers and databases in your applications using ASP.NET Web API 2.2, a popular framework for building web APIs on top of the .NET Framework. In this course, join Jonathan “J.” Tower as he steps through how to use this framework to efficiently create RESTful services. Learn how routing works with Web API to ensure APIs work as planned and are easily consumed by remote applications. Discover how data is modeled in Web API, along with how to build business logic for your API. Plus, learn about handling errors, securing your services, and documenting and testing your APIs.

Topics include:

Convention-based routing Binding your code to an HTTP request Validating models Using attributes to route requests Customizing attribute routes Data serialization and model binding Error handling Using exception filters and exception loggers API documentation and testing Securing your API

Duration: 2h 18m Author: Jonathan “J.” Tower Level: Beginner Category: Developer Subject Tags: Web Web Development Software Tags: Entity Framework ASP.NET Web API ASP.NET C# ID: 4758322bb1ec167f527b2ef2351edbc0

Course Content: (Please leave comment if any problem occurs)

The power of Web APIs

The post Building Web APIs with ASPNET Web API 22 appeared first on Lyndastreaming.

source https://www.lyndastreaming.com/building-web-apis-with-aspnet-web-api-22/?utm_source=rss&utm_medium=rss&utm_campaign=building-web-apis-with-aspnet-web-api-22

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faizrashis1995 · 5 years ago

Text

What’s After the MEAN Stack?

Introduction

We reach for software stacks to simplify the endless sea of choices. The MEAN stack is one such simplification that worked very well in its time. Though the MEAN stack was great for the last generation, we need more; in particular, more scalability. The components of the MEAN stack haven’t aged well, and our appetites for cloud-native infrastructure require a more mature approach. We need an updated, cloud-native stack that can boundlessly scale as much as our users expect to deliver superior experiences.

Stacks

When we look at software, we can easily get overwhelmed by the complexity of architectures or the variety of choices. Should I base my system on Python? Or is Go a better choice? Should I use the same tools as last time? Or should I experiment with the latest hipster toolchain? These questions and more stymie both seasoned and newbie developers and architects.

Some patterns emerged early on that help developers quickly provision a web property to get started with known-good tools. One way to do this is to gather technologies that work well together in “stacks.” A “stack” is not a prescriptive validation metric, but rather a guideline for choosing and integrating components of a web property. The stack often identifies the OS, the database, the web server, and the server-side programming language.

In the earliest days, the famous stacks were the “LAMP-stack” and the “Microsoft-stack”. The LAMP stack represents Linux, Apache, MySQL, and PHP or Python. LAMP is an acronym of these product names. All the components of the LAMP stack are open source (though some of the technologies have commercial versions), so one can use them completely for free. The only direct cost to the developer is the time to build the experiment.

The “Microsoft stack” includes Windows Server, SQL Server, IIS (Internet Information Services), and ASP (90s) or ASP.NET (2000s+). All these products are tested and sold together.

Stacks such as these help us get started quickly. They liberate us from decision fatigue, so we can focus instead on the dreams of our start-up, or the business problems before us, or the delivery needs of internal and external stakeholders. We choose a stack, such as LAMP or the Microsoft stack, to save time.

In each of these two example legacy stacks, we’re producing web properties. So no matter what programming language we choose, the end result of a browser’s web request is HTML, JavaScript, and CSS delivered to the browser. HTML provides the content, CSS makes it pretty, and in the early days, JavaScript was the quick form-validation experience. On the server, we use the programming language to combine HTML templates with business data to produce rendered HTML delivered to the browser.

We can think of this much like mail merge: take a Word document with replaceable fields like first and last name, add an excel file with columns for each field, and the engine produces a file for each row in the sheet.

As browsers evolved and JavaScript engines were tuned, JavaScript became powerful enough to make real-time, thick-client interfaces in the browser. Early examples of this kind of web application are Facebook and Google Maps.

These immersive experiences don’t require navigating to a fresh page on every button click. Instead, we could dynamically update the app as other users created content, or when the user clicks buttons in the browser. With these new capabilities, a new stack was born: the MEAN stack.

What is the MEAN Stack?

The MEAN stack was the first stack to acknowledge the browser-based thick client. Applications built on the MEAN stack primarily have user experience elements built in JavaScript and running continuously in the browser. We can navigate the experiences by opening and closing items, or by swiping or drilling into things. The old full-page refresh is gone.

The MEAN stack includes MongoDB, Express.js, Angular.js, and Node.js. MEAN is the acronym of these products. The back-end application uses MongoDB to store its data as binary-encoded JavaScript Object Notation (JSON) documents. Node.js is the JavaScript runtime environment, allowing you to do backend, as well as frontend, programming in JavaScript. Express.js is the back-end web application framework running on top of Node.js. And Angular.js is the front-end web application framework, running your JavaScript code in the user’s browser. This allows your application UI to be fully dynamic.

Unlike previous stacks, both the programming language and operating system aren’t specified, and for the first time, both the server framework and browser-based client framework are specified.

In the MEAN stack, MongoDB is the data store. MongoDB is a NoSQL database, making a stark departure from the SQL-based systems in previous stacks. With a document database, there are no joins, no schema, no ACID compliance, and no transactions. What document databases offer is the ability to store data as JSON, which easily serializes from the business objects already used in the application. We no longer have to dissect the JSON objects into third normal form to persist the data, nor collect and rehydrate the objects from disparate tables to reproduce the view.

The MEAN stack webserver is Node.js, a thin wrapper around Chrome’s V8 JavaScript engine that adds TCP sockets and file I/O. Unlike previous generations’ web servers, Node.js was designed in the age of multi-core processors and millions of requests. As a result, Node.js is asynchronous to a fault, easily handling intense, I/O-bound workloads. The programming API is a simple wrapper around a TCP socket.

In the MEAN stack, JavaScript is the name of the game. Express.js is the server-side framework offering an MVC-like experience in JavaScript. Angular (now known as Angular.js or Angular 1) allows for simple data binding to HTML snippets. With JavaScript both on the server and on the client, there is less context switching when building features. Though the specific features of Express.js’s and Angular.js’s frameworks are quite different, one can be productive in each with little cross-training, and there are some ways to share code between the systems.

The MEAN stack rallied a web generation of start-ups and hobbyists. Since all the products are free and open-source, one can get started for only the cost of one’s time. Since everything is based in JavaScript, there are fewer concepts to learn before one is productive. When the MEAN stack was introduced, these thick-client browser apps were fresh and new, and the back-end system was fast enough, for new applications, that database durability and database performance seemed less of a concern.

The Fall of the MEAN Stack

The MEAN stack was good for its time, but a lot has happened since. Here’s an overly brief history of the fall of the MEAN stack, one component at a time.

Mongo got a real bad rap for data durability. In one Mongo meme, it was suggested that Mongo might implement the PLEASE keyword to improve the likelihood that data would be persisted correctly and durably. (A quick squint, and you can imagine the XKCD comic about “sudo make me a sandwich.”) Mongo also lacks native SQL support, making data retrieval slower and less efficient.

Express is aging, but is still the defacto standard for Node web apps and apis. Much of the modern frameworks — both MVC-based and Sinatra-inspired — still build on top of Express. Express could do well to move from callbacks to promises, and better handle async and await, but sadly, Express 5 alpha hasn’t moved in more than a year.

Angular.js (1.x) was rewritten from scratch as Angular (2+). Arguably, the two products are so dissimilar that they should have been named differently. In the confusion as the Angular reboot was taking shape, there was a very unfortunate presentation at an Angular conference.

The talk was meant to be funny, but it was not taken that way. It showed headstones for many of the core Angular.js concepts, and sought to highlight how the presenters were designing a much easier system in the new Angular.

Sadly, this message landed really wrong. Much like the community backlash to Visual Basic’s plans they termed Visual Fred, the community was outraged. The core tenets they trusted every day for building highly interactive and profitable apps were getting thrown away, and the new system wouldn’t be ready for a long time. Much of the community moved on to React, and now Angular is struggling to stay relevant. Arguably, Angular’s failure here was the biggest factor in React’s success — much more so than any React initiative or feature.

Nowadays many languages’ frameworks have caught up to the lean, multi-core experience pioneered in Node and Express. ASP.NET Core brings a similarly light-weight experience, and was built on top of libuv, the OS-agnostic socket framework, the same way Node was. Flask has brought light-weight web apps to Python. Ruby on Rails is one way to get started quickly. Spring Boot brought similar microservices concepts to Java. These back-end frameworks aren’t JavaScript, so there is more context switching, but their performance is no longer a barrier, and strongly-typed languages are becoming more in vogue.

As a further deterioration of the MEAN stack, there are now frameworks named “mean,” including mean.io and meanjs.org and others. These products seek to capitalize on the popularity of the “mean” term. Sometimes it offers more options on the original MEAN products, sometimes scaffolding around getting started faster, sometimes merely looking to cash in on the SEO value of the term.

With MEAN losing its edge, many other stacks and methodologies have emerged.

The JAM Stack

The JAM stack is the next evolution of the MEAN stack. The JAM stack includes JavaScript, APIs, and Markup. In this stack, the back-end isn’t specified – neither the webserver, the back-end language, or the database.

In the JAM stack we use JavaScript to build a thick client in the browser, it calls APIs, and mashes the data with Markup — likely the same HTML templates we would build in the MEAN stack. The JavaScript frameworks have evolved as well. The new top contenders are React, Vue.js, and Angular, with additional players from Svelte, Auralia, Ember, Meteor, and many others.

The frameworks have mostly standardized on common concepts like virtual dom, 1-way data binding, and web components. Each framework then combines these concepts with the opinions and styles of the author.

The JAM stack focuses exclusively on the thick-client browser environment, merely giving a nod to the APIs, as if magic happens behind there. This has given rise to backend-as-a-service products like Firebase, and API innovations beyond REST including gRPC and GraphQL. But, just as legacy stacks ignored the browser thick-client, the JAM stack marginalizes the backend, to our detriment.

Maturing Application Architecture

As the web and the cloud have matured, as system architects, we have also matured in our thoughts of how to design web properties.

As technology has progressed, we’ve gotten much better at building highly scalable systems. Microservices offer a much different application model where simple pieces are arranged into a mesh. Containers offer ephemeral hardware that’s easy to spin up and replace, leading to utility computing.

As consumers and business users of systems, we almost take for granted that a system will be always on and infinitely scalable. We don’t even consider the complexity of geo-replication of data or latency of trans-continental communication. If we need to wait more than a second or two, we move onto the next product or the next task.

With these maturing tastes, we now take for granted that an application can handle near infinite load without degradation to users, and that features can be upgraded and replaced without downtime. Imagine the absurdity if Google Maps went down every day at 10 pm so they could upgrade the system, or if Facebook went down if a million people or more posted at the same time.

We now take for granted that our applications can scale, and the naive LAMP and MEAN stacks are no longer relevant.

Characteristics of the Modern Stack

What does the modern stack look like? What are the elements of a modern system? I propose a modern system is cloud-native, utility-billed, infinite-scale, low-latency, user-relevant using machine learning, stores and processes disparate data types and sources, and delivers personalized results to each user. Let’s dig into these concepts.

A modern system allows boundless scale. As a business user, I can’t handle if my system gets slow when we add more users. If the site goes viral, it needs to continue serving requests, and if the site is seasonally slow, we need to turn down the spend to match revenue. Utility billing and cloud-native scale offers this opportunity. Mounds of hardware are available for us to scale into immediately upon request. If we design stateless, distributed systems, additional load doesn’t produce latency issues.

A modern system processes disparate data types and sources. Our systems produce logs of unstructured system behavior and failures. Events from sensors and user activity flood in as huge amounts of time-series events. Users produce transactions by placing orders or requesting services. And the product catalog or news feed is a library of documents that must be rendered completely and quickly. As users and stakeholders consume the system’s features, they don’t want or need to know how this data is stored or processed. They need only see that it’s available, searchable, and consumable.

A modern system produces relevant information. In the world of big data, and even bigger compute capacity, it’s our task to give users relevant information from all sources. Machine learning models can identify trends in data, suggesting related activities or purchases, delivering relevant, real-time results to users. Just as easily, these models can detect outlier activities that suggest fraud. As we gain trust in the insights gained from these real-time analytics, we can empower the machines to make decisions that deliver real business value to our organization.

MemSQL is the Modern Stack’s Database

Whether you choose to build your web properties in Java or C#, in Python or Go, in Ruby or JavaScript, you need a data store that can elastically and boundlessly scale with your application. One that solves the problems that Mongo ran into – that scales effortlessly, and that meets ACID guarantees for data durability.

We also need a database that supports the SQL standard for data retrieval. This brings two benefits: a SQL database “plays well with others,” supporting the vast number of tools out there that interface to SQL, as well as the vast number of developers and sophisticated end users who know SQL code. The decades of work that have gone into honing the efficiency of SQL implementations is also worth tapping into.

These requirements have called forth a new class of databases, which go by a variety of names; we will use the term NewSQL here. A NewSQL database is distributed, like Mongo, but meets ACID guarantees, providing durability, along with support for SQL. CockroachDB and Google Spanner are examples of NewSQL databases.

We believe that MemSQL brings the best SQL, distributed, and cloud-native story to the table. At the core of MemSQL is the distributed database. In the database’s control plane is a master node and other aggregator nodes responsible for splitting the query across leaf nodes, and combining the results into deterministic data sets. ACID-compliant transactions ensure each update is durably committed to the data partitions, and available for subsequent requests. In-memory skiplists speed up seeking and querying data, and completely avoid data locks.

MemSQL Helios delivers the same boundless scale engine as a managed service in the cloud. No longer do you need to provision additional hardware or carve out VMs. Merely drag a slider up or down to ensure the capacity you need is available.

MemSQL is able to ingest data from Kafka streams, from S3 buckets of data stored in JSON, CSV, and other formats, and deliver the data into place without interrupting real-time analytical queries. Native transforms allow shelling out into any process to transform or augment the data, such as calling into a Spark ML model.

MemSQL stores relational data, stores document data in JSON columns, provides time-series windowing functions, allows for super-fast in-memory rowstore tables snapshotted to disk and disk-based columnstore data, heavily cached in memory.

As we craft the modern app stack, include MemSQL as your durable, boundless cloud-native data store of choice.

Conclusion

Stacks have allowed us to simplify the sea of choices to a few packages known to work well together. The MEAN stack was one such toolchain that allowed developers to focus less on infrastructure choices and more on developing business value.

Sadly, the MEAN stack hasn’t aged well. We’ve moved on to the JAM stack, but this ignores the back-end completely.

As our tastes have matured, we assume more from our infrastructure. We need a cloud-native advocate that can boundlessly scale, as our users expect us to deliver superior experiences. Try MemSQL for free today, or contact us for a personalized demo.[Source]-https://www.memsql.com/blog/whats-after-the-mean-stack/

62 Hours Mean Stack Developer Training includes MongoDB, JavaScript, A62 angularJS Training, MongoDB, Node JS and live Project Development. Demo Mean Stack Training available.

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