.NET Fest 2018. Оля Гавриш. Что нового в .NET Core 3.0

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Все большую и большую полулярность в мире .NET приобретает .Net Core - кросс-платформенная опен-сорс альтернатива .NET Framework, которая содержит основные библиотеки .NET Framework и при этом обладает существенными преимуществами, такими как улучшенной производительностью, возможностью деплоймента .Net Core вместе с приложением и многими другими. В конце 2018 года выйдет новая превью версия .NET Core 3.0, где, наряду с прочими усовершенствованиями, будет добавлена возможность создавать Windows десктоп приложения с помощью WinForms и WPF. В этом доколаде Вы услышите о новинках .NET Core 3, узнаете как выбрать между .NET Framework and .NET Core для ваших приложений, и как портировать существующие приложения на .NET Core.

Education

What’s new in .NET Core
t WITH PASSION TO TECHNOLOGY
Olia Gavrysh
.NET CONFERENCE #1 IN UKRAINE, KYIV 2018

Olia Gavrysh
Program Manager
Microsoft, .NET team
t .NET LEVEL UP
KYIV 2018
About me
twitter: @oliagavrysh
email: oliag@microsoft.com

.NET LEVEL UP
Agenda
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
1. About .NET Core
2. What’s new is coming up
3. What to use for your apps: .NET Core or .NET Framework
4. How to port from .NET Framework to .NET Core
5. Future of .NET Framework and .NET Core

About .NET Core
t WITH PASSION TO TECHNOLOGY
.NET CONFERENCE #1 IN UKRAINE, KYIV 2018

Тема доклада
Тема доклада
Тема доклада
.NET LEVEL UP
What is .NET Core
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
.NET Core is a cross-
platform, open source,
lighter, and faster .NET

.NET Core History
v2.0
v1.0
.NET Standard 2.0
(~20k more APIs)
.NET Framework
compatibility mode
Initial release
Open source
Cross-platform
ASP.NET Core

Тема доклада
Тема доклада
Тема доклада
.NET LEVEL UP
.NET Core 2.1 Major Features
.NET CONFERENCE #1 IN UKRAINE KYIV 2018

Тема доклада
Тема доклада
Тема доклада
.NET LEVEL UP
.NET Core 2.2 Major Features
.NET CONFERENCE #1 IN UKRAINE KYIV 2018

.NET Core History
v2.0
v3.0
v1.0
.NET Standard 2.0
(~20k more APIs)
.NET Framework
compatibility mode
Initial release
Open source
Cross-platform
ASP.NET Core
+ Desktop
+ IoT
+ AI

Тема доклада
Тема доклада
Тема доклада
.NET LEVEL UP
.NET Core Differentiators
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
• Light and fast
• Side-by-side
• Self-contained
• SDK-based .csproj
• Fundamental runtime
improvements
• Better container
support

Demo: Self-contained
deployment
t WITH PASSION TO TECHNOLOGY
.NET CONFERENCE #1 IN UKRAINE, KYIV 2018

Demo: SDK-based .csproj
t WITH PASSION TO TECHNOLOGY
.NET CONFERENCE #1 IN UKRAINE, KYIV 2018

.NET Core 3.0
t WITH PASSION TO TECHNOLOGY
.NET CONFERENCE #1 IN UKRAINE, KYIV 2018

DESKTOPWEB CLOUD IoT AI
LIBRARIES
INFRASTRUCTURE
.NET CORE 2.NET CORE 3
.NET Core 3 expands supported
workloads to include Windows
Desktop, IoT & AI
.NET Core is perfectly suited for the requirements
of cloud-native, cross-platform workloads
.NET Core 23

.NET LEVEL UP
Why Desktop?
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
+50%
In the last 20 months
2.4Million
Developers building
desktop apps in Visual
Studio every month

Тема доклада
Тема доклада
Тема доклада
.NET LEVEL UP
.NET Core 3 Desktop Improvements
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
• Support for WinForms and WPF
Wrapped UWP controls: WebView, Ink, Media Player
XAML Islands: WinForms & WPF can host UWP
High DPI fixes for WinForms
• Access to all Windows 10 API’s
• Single self-contained .exe
• Small apps by removing unused dependencies
Link away unused IL
• and more …

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Тема доклада
Тема доклада
.NET LEVEL UP
.NET Core 3 Desktop – Already Available
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
• WinForms and WPF in internal builds
https://aka.ms/netcoredaily
• Visual Studio supports building and debugging
Designers not available yet

Demo: WinForms and WPF
HelloWorld
on .NET Core 3.0
t WITH PASSION TO TECHNOLOGY
.NET CONFERENCE #1 IN UKRAINE, KYIV 2018

Porting from .NET Framework
to .NET Core
t WITH PASSION TO TECHNOLOGY
.NET CONFERENCE #1 IN UKRAINE, KYIV 2018

To Port or not to Port?
.NET CONFERENCE #1 IN UKRAINE KYIV 2018.NET LEVEL UP
Only
maintenance,
no active
development
Active
development,
new apps
Stay on Framework Try Core 3.0

Тема доклада
Тема доклада
Тема доклада
.NET LEVEL UP
Find Out What it Takes to Port Your App
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
Comes in three flavors:
• Desktop application
(the easiest way to check your app compatibility with Core 3.0)
• Visual Studio extension
(to check compatibility with any .NET platform and version)
• Console application
(to check compatibility with any .NET platform and version)
with Portability Analyzer

Тема доклада
Тема доклада
Тема доклада
.NET LEVEL UP
Portability Analyzer Desktop App
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
aka.ms/portabilityAnalyzer
.NET Blog: “Are your Windows Forms and WPF applications ready for .NET Core 3.0?”

Demo: Portability Analyzer
t WITH PASSION TO TECHNOLOGY
.NET CONFERENCE #1 IN UKRAINE, KYIV 2018

Demo: Porting your App.
Windows Compat Pack
& API Analyzer
t WITH PASSION TO TECHNOLOGY
.NET CONFERENCE #1 IN UKRAINE, KYIV 2018

What the future will be…
(for .NET Framework and .NET Core)
t WITH PASSION TO TECHNOLOGY
.NET CONFERENCE #1 IN UKRAINE, KYIV 2018

Тема доклада
Тема доклада
Тема доклада
.NET LEVEL UP
Future of .NET Framework and .NET Core
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
.NET Framework
• will be fully supported
(the latest networking protocols, security standards, Windows features)
• will move forward at a slower pace
.NET Core
• fast-moving version of .NET
• will get new APIs and language features that .NET Framework cannot

.NET LEVEL UP
.NET Framework and .NET Core: Past
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
Framework
Core

Тема доклада
Тема доклада
Тема доклада
.NET LEVEL UP
.NET Framework and .NET Core: Future
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
Framework
Core

Тема доклада
Тема доклада
Тема доклада
.NET LEVEL UP
Try and Contribute!
.NET CONFERENCE #1 IN UKRAINE KYIV 2018
• Daily builds of .NET Core 3.0:
https://aka.ms/netcoredaily
• Preview version
December 4th, 2018
• Release
Spring 2019

Тема доклада
Тема доклада
Тема доклада
KYIV 2018
Thank you!
twitter: @oliagavrysh
email: oliag@microsoft.com
Q&A

.NET Fest 2018. Оля Гавриш. Что нового в .NET Core 3.0

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.NET Fest 2019. Halil Ibrahim Kalkan. Implementing Domain Driven Design

NETFest

Я розповім про еволюцію фіча тоглів у компанії та наш досвід їх використання. Пройдемось покроково в їх розвитку: Від файлу конфігурації зі звичайним kill-switch для ввімкнення меінтенансу, який вмикав/вимикав доступ до сервісів одразу всім користувачам. До гнучкої системи з набору правил з пріоритетами з гранулярністю від країни, штату до окремого користувача. Від редагування через базу даних до панелі адміністратора та автоматизованих змін залежно від подій в системі. А також розповім про actions - комбінацію фіча тоглів та правил бізнес-логіки для динамічного інтерфейсу клієнтів на основі доступних дій користувачу.

.NET Fest 2019. Сергій Бута. Feature Toggles: Dynamic Configuration at Wirex

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GraphQL is a great way to expose your APIs and it has changed the way we think about consuming data over HTTP. With GraphQL we want to have one schema that provides all the data to us in a consistent way, enabling us to drill into the graph and fetch with one request what we actually want instead of having to issue multiple requests. In the real world, however, we more often build small services that serve certain use cases. Simpler services are easier to maintain and can be deployed more rapidly. Moreover, we often also want to use external services that are not built by us. Ultimately, we will end up with multiple APIs again. The solution for this dilemma is schema stitching. This talk will explore the schema stitching capabilities on ASP.Net Core with Hot Chocolate. We will show how you can set up a Hot Chocolate GraphQL gateway in under 5 minutes and move on to the various stitching scenarios. This talk introduces simple auto-stitching scenarios and goes on to demonstrate how you can rewrite your GraphQL APIs into something truly new.

.NET Fest 2019. Michael Staib. Hot Chocolate: GraphQL Schema Stitching with A...

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В этом выступлении Андрей расскажет о внутренностях базового сервиса, написанного с использованием паттерна CQS, который обрабатывает входящие запросы команд и публикует события, описывающие переходы состояния системы. После этого он опишет общие способы тестирования такого сервиса и объяснит плюсы и минусы существующих подходов. Затем он расскажет про AutoFixture и покажет, как она может сделать тесты намного чище, а конфигурацию - более удобной, путем инъекции параметров в метод теста, объяснит существующие проблемы с инициализацией и очистке данных в асинхронных тестах и покажет, как с этим справляться с помощью некоторой легковесной интеграции между xUnit и AutoFixture.

.NET Fest 2019. Андрей Литвинов. Async lifetime tests with xUnit and AutoFixture

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.NET Fest 2019. Анатолий Колесник. Love, Death & F# Tests

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Все когда-либо писали парсеры, но многие так и не знают как спарсить HTML без регулярных выражений. Очень длительное время концепция парсинга языков с рекурсивной грамматикой для меня была черной магией, а люди которые занимаются разработкой компиляторов и предметно-ориентированных языков вовсе казались волшебниками. Но это оказалось не так и сложно. В моем докладе я хочу вам рассказать о том что такое парсеры в целом, зачем они нужны и какие они бывают, а самое главное -- покажу как перейти от традиционных методик их написания к более удобному и понятному функциональному способу. В ходе презентации мы также напишем рабочий JSON парсер в качестве proof of concept.

.NET Fest 2019. Алексей Голуб. Монадные парсер-комбинаторы в C# (простой спос...

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Во время доклада, я поделюсь с Вами опытом, который мы получили, используя микросервисы в прод K8S кластере. Также, обозначу основные проблемы, с которыми столкнулась наша команда на этапе их диагностики. И, самое главное - что мы сделали чтобы избежать их в будущем. Отвечу на вопросы: Почему мы мигрировали в облако? Почему dotNet Core 2.2 вызвал кучу проблем? Данный доклад сохранит сотни часов вашим разработчикам и DevOps команде, жизнь которой может напоминать кошмар.

.NET Fest 2019. Леонид Молотиевский. DotNet Core in production

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The majority of companies are struggling with an issue of growth where they started from handful group of people and reached 1000+ employees. In case of small groups the relationships remind family’s connections so everyone knows each other personally and the atmosphere is warm and charm whereas starting from 500+ to 1k keep it as family is tough and most of the companies come up with processes on one hand and culture on other. There ain’t no silver bullet how to manage it and in the end of the day they are balancing working a lot about good atmosphere in company and setting up relationships between teams. The issue isn’t new however tools and approaches evolved a lot this is where .NET Core and ML.Net comes in handy. These days AI/ML take over the world and bots as one of implementations are already a part of our life therefore our entuthiastic team created a bot using latest .NET Bot Framework v4 who helps managers to “measure” atmosphere in teams and crucial to socialize teams leveraging the power of ML.NET.

.NET Fest 2019. Александр Демчук. How to measure relationships within the Com...

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In this session we'll demonstrate how to bring dragons or any other 3D model to life using Microsoft's Azure Spatial Anchors, HoloLens and mobile phones. You will learn what is augmented reality, we will introduce you Hololens, we will teach you what is Azure Spatial Anchor, how they work and how you can use them in your apps. This cross-device experience might be usable for all kind of applications.

.NET Fest 2019. Anna Melashkina та Philipp Bauknecht. Dragons in a Mixed Real...

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You must have noticed how Docker and containers is playing a more and more important part in .NET development. Docker support is everywhere, so it should be easy to build solutions based on container technology, right? But, it takes a bit more to architect and create a .NET solution that use Docker at its core. Many questions arise: How do you design a solution architecture that fits well with containers? Would I use .NET or .NET Core? What is a proper way to migrate to such an architecture? What changes in the .NET implementation from pre-Docker solutions with micro-services? Where do container orchestrators fit in and how do I build and deploy my solutions on a Docker container cluster, such as Azure Kubernetes Service? These and many other questions will be answered in this session. You will learn how to design and architect your .NET solutions and get a flying start to create, build and run Docker-based containerized applications.

.NET Fest 2019. Alex Thissen. Architecting .NET solutions in a Docker ecosystem

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Serverless technology is trending, but in-depth details are missing. How does it fit with non-serverless components? What are the practical use cases? Should you fight vendor lock-in? And what about limits and pitfalls with Azure? I will answer those questions, share a few tricks and short demo. I'll cover serverless usage scenarios with Azure, what problems can be solved, and what is a viable adoption strategy. Then I'm going to talk about technology shortcomings, when to omit it and how to rip all benefits. There are circumstances when a cloud-agnostic approach is beneficial, so I discuss serverless frameworks too and why vendor lock is not that bad. Finally, we'll look at a short demo that illustrates why you have to use specific serverless patterns.

.NET Fest 2019. Stas Lebedenko. Practical serverless use cases in Azure with ...

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Do you recall those buzz words like TDD, BDD? Yep, but we know their problems as well! TDD is too granular. BDD is too coarse-grained. Unit tests are too chatty. BDD is too abstract. TDD requires knowledge of implementation details. BDD does not care about implementation at all. What is in the middle? Integration tests. Let's be Integration driven then! OK, then how to build infrastructure to run Integration tests? Should we start with IaaS first? How to speed up the development and take into account non-foundational requirements like scaling, security borders, isolation, etc. from the very beginning? To answer the questions, we would combine Integration test-based development with serverless (AWS) to solve a typical business task. Based on the example, we would show how to create a solid foundation for further refactoring/refining of the overall solution and concreting it with Unit tests. Acceptance tests would be left for home exercise ;)

.NET Fest 2019. Сергей Медведев. How serverless makes Integration TDD a reali...

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Задачи по обработке естественного языка сейчас встречаются практически в любом проекте. К сожалению, до недавнего времени, платформа .NET не сильно подходила для решения подобных задач. С выходом ML.NET ситуация стала меняться к лучшему, но все еще далека от идеала. На этом докладе я расскажу про основные задачи, которые решаются методами Natural Language Processing и какие существуют способы решения этих задач на платформе .NET (сервисы, библиотеки, фреймворки).

.NET Fest 2019. Сергей Корж. Natural Language Processing in .NET

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A Public Key Infrastructure (PKI) is the basis of modern system authentication; X.509 certificates are at the core of modern cryptography. Building your own PKI is not for the faint of heart, so we usually buy our certificates from an external Certificate Authority or operate a 3rd-party off-the-shelf PKI. But what can you do if you need to issue your own certificates while keeping your costs low? What if, for example, you're in the business of manufacturing millions of IoT devices and you need to issue a certificate to each and every one of them? And to top it off - you want to do it in a Serverless manner? Join me in this session, as we build a Serverless PKI system with Azure Functions & Key-Vault and learn all about Key-Vault's capabilities in regards to X.509 certificates along the way.

.NET Fest 2019. Eran Stiller. Create Your Own Serverless PKI with .NET & Azur...

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For the past couple of years it seems that Microservices is all the rage. We want to use Microservices, we want to decompose into Microservices and we want Microservices to be a part of our world. While modern tools and platforms such as Docker, Kubernetes, Service Mesh and the public cloud help in implementing and maintaining such systems, the reality is that many fail even before the first line of code was written. This can happen for many reasons; Perhaps you chose a Microservices architecture for the wrong reasons? Maybe the organization wasn't ready for it? Or just possibly - the proposed architecture didn't embrace the true meaning of Microservices? As the CTO of a software services company I get tackle these questions a lot. Join me in this session as I provide my perspective on transitioning from Monolith to Microservices through lessons learned in the real world, while architecting and implementing multiple Microservices based software systems at various customers.

.NET Fest 2019. Eran Stiller. 6 Lessons I Learned on My Journey from Monolith...

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.NET Fest 2019. Kevin Dockx. Uncovering Swagger/OpenAPI

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