Sergey Tihon's Blog

Welcome to F# Weekly,
A roundup of F# content from this past week:

News

• Announcing .NET Core 3.0 Release Candidate 1
• ASP.NET Core and Blazor updates in .NET Core 3.0 Release Candidate 1
• What’s the F# job market like?
• Finalization implementation details
• GitHub Pages builds now use the Checks API
• How to debug and profile any EXE with Visual Studio

Videos & Slides

• Commands in the Elm Architecture – Why and How – Stream Snippets – Zaid & Roman
• From C# monolith to functional actors with Orleans and F# – Harald Schult Ulriksen
• Episode 34 of The .NET Core Podcast – F# and Giraffe with Stuart Lang
• This is how you get rid of null reference exceptions forever – Cecil Phillip, Immo Landwerth, Rich Lander
• Languages & Runtime: .NET Community Standup – Sept. 12th 2019 – .NET Conf, .NET 5, OpenFSharp
• .NET Design Review: GitHub Quick Reviews
• Walking Down the Memory Lane with Bing – Part 1 – Maoni Stephens
• Walking Down the Memory Lane with Bing – Part 2 – Maoni Stephens
• Writing Network Drivers in C# – Maximilian Stadlmeier
• Introducing Gitpod! – Dave Thomas
• FSharp Types and Units of Measure — Triangle .NET User Group

Blogs

• F# and ML.NET Regression – codesuji
• Getting started with Fable. Scaffolding – Anton Gorbikov
• Building real-time address search with the Australian G-NAF dataset
  – Stuart Cam
• Introduction to Functional Programming in F# – Ian Russell
• Introduction to Functional Programming in F# – Part 2 – Ian Russell
• Introduction to Functional Programming in F# – Part 3 – Ian Russell
• gRPC and C# 8 Async stream – Laurent Kempé

F# vNext:

• nameof should be included in F# 4.7
• New language suggestions:
  • struct tuple splatting

GitHub projects

• Zaid-Ajaj/Fable.CloudFlareWorkers – Write CloudFlare Workers in idiomatic, type-safe F# and compile them to JS using Fable
• ronaldschlenker/FsLSA – An F# polymorphic, unqualified-accessible set of functions for List, Seq, and Array.

New Releases

• MiniScaffold 0.18.0
• LiteDB.FSharp 2.12.0 (Added typeshape mapper)
• SchlenkR.FsLSA 0.4.0
• Logary v5

That’s all for now. Have a great week.

Previous F# Weekly edition – #37, 2019

Welcome to F# Weekly,
A roundup of F# content from this past week:

News

• Announcing ML.NET 1.4 Preview and Model Builder updates
• .NET Presentations: Events in a Box!
• Octopus Starter edition: Free for small teams
• Announcing .NET Core 3.0 Preview 9
• Refactoring made easy with IntelliCode!
• ASP.NET Core and Blazor updates in .NET Core 3.0 Preview 9
• .NET Core 3.0 Preview 9 includes the new gRPC client API
• Visual Studio 2019 16.3 Preview 3 Focuses on F#, Features Experimental Terminal
• Visual Studio 2019 for Mac version 8.3 Preview 3, now available
• Thoth.Fetch documentation website
• Say hello to the new Visual Studio terminal!
• Azure Functions 3.0

Videos & Slides

• Let’s talk HTTP with React, Elmish, F# and Fable – Zaid and Roman
• Leveraging the Dependency Injection support in Azure Functions – Cecil Phillip, Rich Lander
• Becoming the .NET GC Architect with Maoni Stephens
• Careers Behind the Code with Maoni Stephens
• Create a Deep Neural Network Model in ML.NET for Image Classification – Jon Wood
• F# for Scala Developers – Alfonso Garcia Caro
• F# goodness for everyday work – Uladzimir Shchur (Video RU)
• How to add an optimization for C# to RyuJIT – Egor Bogatov (Video RU)

Blogs

• Navigating the .NET Ecosystem – InfoQ by David Pine
• Migrating a C# test suite to property based tests in F# – part 3 – Viktor Andersson
• Migrating a C# test suite to property based tests in F# – part 4 – Viktor Andersson
• Getting started with Fable on Linux – Anton Gorbikov
• Why you should model your domain with F# – Viktor Andersson
• Converting F# to Rust: Remaining expressions and functions – Jamie Phillips
• Calling F#/.NET code from Flutter – Nick Fisher
• Your first Bolero project not compiling? Try this! – Adam Granicz
• Testing application continuously with Canopy and Azure Pipelines – Michał Niegrzybowski
• A Quirk With Implicit vs Explicit Interfaces – Aaron Powell
• ML.NET vs. Create ML: Toxic Text – Danny Bolero
• More License Discovery With dotnet-delice – Aaron Powell
• Interfaces in C# 8 are a Bit of a Mess – Jeremy Clark
• Github Actions 2.0–Let’s do something a little more involved – Abel Wang
• Using C# code in your git hooks – Max Hamulyák
• Hardware Intrinsics in .NET Core – Tanner Gooding
• GC Perf Infrastructure – Part 0 – Maoni Stephens
• Check for Dark Mode in Xamarin.Forms – Brandon Minnick

F# vNext:

• F# tooling updates in VS 2019 16.3 Preview 3
• FSharp.Compiler.Private only targets netstandard2.0
• New language suggestions:
  • Allow for a shorter deconstruction syntax
  • Relax RequireQualifiedAccess for record expressions
  • Typed Holes

GitHub projects

• microsoft/nlp – Natural Language Processing Best Practices & Examples
• CompositionalIT/farmer – An F# DSL to rapidly create non-complex Azure Resource Management (ARM) templates
• dbrattli/Fable.Reaction – New Fable Reaction – Reactive (AsyncRx) for F# Elmish and Fable
• fsharplang-ru/pulsar-client-dotnet – Apache Pulsar Client for .NET
• DouglasConnect/ElmishToReact – Wrap an Elmish program as a React component

New Releases

• Flora.CssProvider 0.7.1
• WebSharper 4.5.18
• VS Code 1.38 (August Update)
• Pulsar.Client 0.1.4
• FSharp.Literate 3.1.0
• FSharp.AzureFunctions.V2.HTTP 1.0.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #35, 2019

Welcome to F# Weekly,

This week we have early edition of F# Weekly because starting from tomorrow I am on my summer vacation!  See you all in the next edition that is planned for September 15th!

A roundup of F# content from this past week:

News

• New and improved NuGet Search is here!
• Windows Terminal Preview v0.4 Release
• Get more fresh content on Visual Studio’s YouTube channel
• How the .NET Team uses Azure Pipelines to produce Docker Images

Videos & Slides

• The Elm architecture: The importance of the model and organising state updates – Stream Snippets – Zaid and Roman
• Writing a custom, real-world .NET GC – Konrad Kokosa
• Functional Programming (With focus on History and F# .NET) – Aryan Ebrahimpour
• Docker Desktop Integration with WSL – Cecil Phillip, Rich Lander
• Preparing for .NET Core 3 Series

Blogs

• Behind the F# editor tooling. Part 1: introduction to compilers – Krzysztof Cieślak
• Converting F# to Rust: Discriminated Unions – Jamie Phillips
• Example of refactoring static shared state in F# – Lettier Kevin
• Watching Plants Grow with Unity and F# – Doug Tarr
• Making ObservableCollection Thread-Safe in Xamarin.Forms – Brandon Minnick

F# vNext:

• Top-down programming support

GitHub projects

• Kavignon/fsharp-companies – Community curated list of companies that use F#

New Releases

• FAKE 5.16.1 based on latest FSC & FSharp.Core
• Fable.React.Native 2.2.1
• AltCover 6.0.705

That’s all for now. Have a great week.

Previous F# Weekly edition – #34, 2019

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Effective F#, tips and tricks
• Fable community resources!
• Visual Studio Tips and Tricks: Increasing your Productivity for .NET
• Try Compositional IT’s F# coaching package risk-free – if we don’t add any value, they’ll give you a full refund
• .NET Core and systemd
• Find solutions faster by analyzing crash dumps in Visual Studio
• Getting Started with GitHub Actions in Visual Studio
• Make games with Visual Studio for Mac and Unity

Videos & Slides

• From F# to JavaScript with Fable – Florian Verdonck
• Training Machine Learning models with ML.NET – Cecil Phillip, Rich Lander
• Windows Desktop: .NET Standup – August 22nd 2019 – App Center for Desktop apps, XAML Tools & WinUI
• .NET Design Review: GitHub Quick Reviews

Blogs

• F# Validation Framework – James Randall
• What Licenses Are in Use? – Aaron Powell
• F# from a C# Developers Perspective – Part 4 – James
• Function Monkey for F# – James
• Migrating a C# test suite to property based tests in F# – part 2 – Viktor Andersson
• How to avoid storing secrets in the source code? – Gérald Barré
• Why Are So Many Developers Hating on Object-Oriented Programming? – David Cassel
• The state of software engineering – Daniel Bachler

F# vNext:

• Protected member inaccessible
• dotnet/try: add simple `FSharpKernel` wrapper around fsi.exe

GitHub projects

• JamesRandall/AccidentalFish.FSharp.Validation – Simple validator DSL / library for F#
• enkomio/ProgramUpdater – PUF – Program Updater Framework. A library to easier the task of program updating
• enovales/KeePassFSharpPlugin – An example project showing how to build a KeePass plugin with F#
• SciSharp/Keras.NET – Keras.NET is a high-level neural networks API, written in C# with Python Binding and capable of running on top of TensorFlow, CNTK, or Theano.
• zanaptak/TypedCssClasses – A CSS class type provider for F# web development. Bring external stylesheet classes into your F# code as design-time discoverable compiler-verified properties.
• palladin/Higher – A lightweight library of abstractions for Higher-kinded programming in F#

New Releases

• FsUnit 3.4.1
• Elmish.WPF 3.2.0 with proper support for opening windows/dialogs
• AltCover 6.0.698
• WebSharper 4.5.16
• GtkSharp.Template.FSharp 3.22.25.24
• Terminal.Gui.Elmish 0.1.4

That’s all for now. Have a great week.

Previous F# Weekly edition – #33, 2019

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing .NET Core 3.0 Preview 8 (with “Go Live:” support)
• New fable.io site is published with much better documentation!
• Struggling to convince your team of the benefits of F#? Compositional IT can help get it over the line.
• Nominate Community for F# Heroes 2019!
• Discussion: SAFE Template Simplification
• Highest Paid Programming Languages in 2019
• Introducing Boots: Streamline Xamarin Continuous Integration

Videos & Slides

• WTF# is Event Sourcing – Stachu Korick & Roman Sachse
• Welcome to meta programming club! Episode 1 – F# Quotations – Dave Thomas
• Asynchronous programming in F# 3/3 – Pipelines with Map and Bind – Roman Sachse
• What is the Elm Architecture and how does it work – Stream snippets – Roman Sachse & Zaid Ajaj
• Harald Steinlechner, Georg Haaser – Functional programming vs Efficient Computer Graphics
• Build A ML.NET Machine Learning Model In F# – Jon Wood
• Updating FSharp.Compiler.Service – August 2019 – Chet Husk

Blogs

• Use HttpClient via IHttpClientFactory in a .NET Core 2.2 console app without implementing IHostedService – Jon Sagara
• Migrating a C# test suite to property based tests in F# – part 1 – Viktor Andersson
• Getting Started with gRPC Client Factory – Steve Gordon
• Nullable references in C# 8.0 – Eric Sink
• .NET Debugging: 6 techniques you need in your arsenal – Daniel Hilgarth

F# vNext:

• TechEmpower/FrameworkBenchmarks: Update zebra and giraffe to use dotnet core 3 (almost 60% faster)
• Expecto support is coming to Rider
• Consolidating .NET GitHub repos

GitHub projects

• vsapronov/FSharp.Json – F# JSON Reflection based serialization library
• NetMQ/FsNetMQ – NetMQ F# Binding
• bangjunyoung/SpiralMatrixSharp – Arguably the world’s most advanced spiral matrix generator written in F#.
• Zaid-Ajaj/Feliz.Router – An Elmish router that is focused, powerful yet extremely easy to use. Made for developer happiness.
• willnationsdev/godot-fsharp-tools – A Godot Engine plugin to simplify using F# through the C# Mono language.

New Releases

• SpiralMatrixSharp 1.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #32, 2019

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• FSharp.Core 4.7 is out with netstandard2 support.
• ML.NET 1.3.1 is released
• Announcing FSharp.SystemTextJson: Support for F# union and record types for .NET Core System.Text.Json
• Sign up to Compositional IT’s SAFE course and get free coaching sessions!
• Improving .NET Core installation in Visual Studio and on Windows
• Try out Nullable Reference Types
• Update on .NET Standard adoption
• What’s new in Rider 2019.2 for F#
• Getting started with Elmish.WPF
• Alexa Skills SDK for .NET
• GitHub Actions: Automate your workflow
  from idea to production
• Open F# 2019 is in San Francisco on Thursday September 26th and 27th, with pre-conference workshops on Wednesday, September 25th

Videos & Slides

• F# Code I Love – Don Syme
• Let’s build a Todo List application with React, Elmish, F# and Fable – Roman Sachse
• Code Like Scott with Scott Hanselman

Blogs

• F# from a C# Developers Perspective – Part 3 – James
• Combining monads – Nick Blair
• Introducing No Curly – beta release – Sam Williams
• Updated: Cold Starts in Serverless Functions – Mikhail Shilkov
• Functional design: combinators – Giulio Canti
• IDataView Type System – Xavier Dupré
• Analyzing native memory allocation with BenchmarkDotNet – Wojciech Nagórski
• Geting 4x Speedup With .NET Core 3.0 SIMD Intrinsics – Alex Yakunin

F# vNext:

GitHub projects

• LambdaFactory/Fornax – Static site generator using type safe F# DSL to define page templates.
• timheuer/alexa-skills-dotnet – An Amazon Alexa Skills SDK for .NET
• mrbandler/FsFirestore – Functional F# library to access Firestore database hosted on Google Cloud Platform (GCP) or Firebase.
• aardvark-platform/aardvark.rendering – The dependency-aware, high-performance aardvark rendering engine. This repo is part of aardvark – an open-source platform for visual computing, real-time graphics and visualization.

New Releases

• Bolero v0.7
• Fornax 0.2
• FSharp.Core 4.7.0
• Microsoft.ML 1.3.1
• Rider 2019.2
• VS Code July 2019 (version 1.37)

That’s all for now. Have a great week.

Previous F# Weekly edition – #31, 2019

 

Great development teams are always learning – give yours a boost with some targeted F# coaching | Compositional IT

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Now accepting applications for the FSSF’s 7th F# Mentorship Round
• Xamarin Podcast: XAML Hot Reload Is Out!
• TorchSharp brings the PyTorch engine to .NET

Videos & Slides

• Asynchronous programming in F# 2/3 – Implementing asynchronous workflows – Roman Sachse
• Anomaly Detection Transform in ML.NET – Jon Wood

Blogs

• Using F# scripts for interactive development – Compositional IT
• F# Web Application on AWS Lambda – Logan Mortimer
• Smart LLVM #1: Optimizing range checks – Egor Bogatov

F# vNext:

• New language suggestions:
  • Local type names for anonymous records
  • Add computation expression over StringBuilder to FSharp.Core

GitHub projects

• xamarin/TorchSharp – .NET bindings for the Pytorch engine
• messagetemplates-fsharp – the ability to format named string values, and capture the properties
• mastoj / heiconv – Simple converter for Heic to Jpg
• eloraiby/fs-benchmark – F# Async Socket Benchmark

New Releases

• FSharp.Azure.Storage 3.3.0
• WebSharper 4.5.15
• Fable-Electron 1.0.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #30, 2019

 

Interested in adopting F# but don’t know how to start? Get guidance from experts | Compositional IT

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Fantomas 3.0: over-and-above
• Announcing .NET Core 3.0 Preview 7
• ASP.NET Core and Blazor updates in .NET Core 3.0 Preview 7
• Visual Studio 2019 version 16.2 Generally Available and 16.3 Preview 1
• Visual Studio 2019 for Mac version 8.2 is now available (and a Preview for 8.3)
• What is the Microsoft Data Prep SDK for .NET?
• Sylvester.DataFrame – efficient, powerful data frames for F# using the DLR

Videos & Slides

• Introduction to the Elm Architecture with Elmish in F# and Fable – Roman Sachse
• It’s about time – Christin Gorman
• How to Perform A Custom Transform in ML.NET – Jon Wood
• Writing tests with F# – Cecil Phillip, Rich Lander, Jeremy Likness
• Asynchronous programming in F# – Why and How – Episode 1 / 3 – Roman Sachse
• Webinar – From F# to JavaScript with Fable

Blogs

• Writing Tizen .NET Applications in F# – Swift Kim
• Home Grown IoT – Automated DevOps – Aaron Powell
• Creating beautiful Xamarin Forms apps using Atomic Design, F# and Fabulous – Mark Allibone
• .NET Framework to .NET Core to Docker – Magnus Stråle
• .NET Core Counters internals: how to integrate counters in your monitoring pipeline – Christophe Nasarre

F# vNext:

• New language suggestions:
  • Improve interop to `Nullable` optional parameters

GitHub projects

• fsprojects/Incremental.NET – A library for incremental computations. Based on janestreet/incremental for OCaml.
• Zaid-Ajaj/Feliz – A fresh retake of the base React DSL used within Elmish applications, optimized for happiness
• Clancey/HotUI – HotUI is an MVU UIToolkit written in C#
• arrayfire/arrayfire-dotnet – .NET wrapper for ArrayFire

New Releases

• FsLibLog 0.2.1
• Juniper 0.11.0
• Expecto v8.11.0
• Saturn 0.9.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #29, 2019

 

Interested in learning about the SAFE stack? Our next public course is in September – sign up now!

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing ML.NET 1.2 and Model Builder updates (Machine Learning for .NET)
• Surfacing GitHub Usage for packages on NuGet.org
• Microbenchmark Design Guidelines
• Add mono.wasm support for threads
• Haskell – An Experience Summary
• MSBuild Binary and Structured Log Viewer

Videos & Slides

• F# MonoGame Platform Game Series: – Converting to side view, new tile set and collision detection – Dave Thomas
• Geometric Algebra and Quantum Technology – Andrew Willshire
• GraphQL: May the Best API Win! – Jorge Gueorguiev Garcia
• Fabulous: Functional programming for cross-platform mobile apps – Don Syme
• Live stream, July 22: Introduction to the Elm Architecture with Elmish in F# and Fable

Blogs

• Seven tips for working with F# scripts – Compositional IT
• Home Grown IoT – Simple DevOps – Aaron Powell
• Git-based versioning using FAKE – Arthur Rump
• Creating beautiful Xamarin Forms apps using Atomic Design, F# and Fabulous – Mark Allibone
• Executing .NET Core functions in a separate process – Tom Deseyn

F# vNext:

• WIP: [RFC FS-1043] Extension members visible to trait constraints
• New language suggestions:
  • Add Fixpoints in Computational Expressions
  • Infix functions
  • Add struct-based versions of library functions
  • multiple and power of int and float has actual meaning

GitHub projects

• ionide/Ionide-vim – F# Vim plugin based on FsAutoComplete and LSP protocol
• aaronpowell/DisappointinglyAttributed – Express just how dissapointed you are with others code through attributes!
• TheAngryByrd/Marten.FSharp – A set of FSharp wrappers around Marten
• nojaf/fable-reactstrap – Fable binding for reactstrap
• ajwillshire/FSharpGA – An implemention of Geometric Algebra in F#
• FStarLang/fstar-mode.el – Emacs support for F*
• bcarruthers/garnet – F# game composition library
• rspeele/FParsec-Pipes – A set of operators for FParsec intended to simplify chaining parsers together.

New Releases

• Rider 2019.2 EAP4
• SchlenkR.FsHttp 0.9.1
• Fable.Node v1.0.1: Cluster + Trace Events
• Juniper 0.11.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #28, 2019