Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Check out new release of Visual F# PowerTools with FSharpLint integration, bug fixing and performance improvements!
• Lightweight FsUnit with Paket
• Workshop: Scale Up and Scale Out .NET Applications with GPUs and the Cloud
• WebSharper 3.5 with pluggable HTML support
• Visual Studio 2015 Update 1 CTP with C# REPL
• The {m}brace cloud programming framework docs have been updated. Docs are here.
• Cimfu.Suave.Healthcheck – a pluggable healthcheck endpoint for the Suave functional web server.
• Collectable assemblies on CoreCLR, brought to you by the community
• F# Day by Day

Videos/Presentations

• Tomas Petricek on F# for the Web with Type providers and FunScript
• Akka.NET with F#: Getting functional with Reactive systems – Russ Cam
• Writing Good C++14 – Bjarne Stroustrup
• Reversible circuit compilation with space constraints – Alex Parent, Martin Roetteler, and Krysta M. Svore

Blogs

• F# Friday – The Seq.chunkBySize Function – Brad Collins

F# vNext News

• Checkout latest preview Visual F# 4.0 Update 1
• Recently proposed ideas:
  • FSI execute without evaluation by pressing Enter

New releases

• Visual F# PowerTools 2.1
• WebSharper 3.5
• DiffSharp v0.7
• Suave v0.32 with OWIN support
• FAKE 4.5.3 with DotCover support for MSTest
• Cimfu.Suave.Healthcheck v.0.1.0

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

Previous F# Weekly edition – #40

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Interested in F# positions? Follow @fsharpJobs.
• `ionide-webview`is released! In-editor preview of FsReveal, FsLab or any other web projects.
• New Suave book “Suave Music Store” is released.
• XrmDefinitelyTyped is released on GitHub.
• FsLint integration in Visual F# PowerTools vNext is amazing
• WebSharper.Suave was announced.
• E-commerce challenger eyes the top spot, runs on the Microsoft cloud

Videos/Presentations

• The Gamma: Programming tools for data journalism with Tomas Petricek
• Tour of language landscape – Yan Cui
• Data science the functional way – Evelina Gabasova
• Delegate.Sandbox: I/O side-effects safe computations in F# – Ramón Soto Mathiesen

Blogs

• Ionide is a New Atom-based F# IDE Written in F# – Sergio De Simone
• The Gamma: Simple code behind interactive articles – Tomas Petricek
• C# and F# approaches to illegal states – Vladimir Khorikov
• Flag Design With F# And GDI+ – Mohammad Shuvo
• Using F# To Calculate Health Insurance Tax Subsidy Rates – Khalid Abuhakmeh
• Operator precedence: F# and Haskell – Kevin Cantù
• Exercises in Programming Style–Pipeline – Yan Cui
• Finally – GPUs are Coming to Azure! – Daniel Egloff
• What I Learned Reading the FSharp Source Part One – LogoAndre Dubli
• Finding The Second Lowest Item In A List Using C# and F# – Khalid Abuhakmeh
• F# Friday – The Seq.distinct Function – Brad Collins

F# vNext News

• F# Compiler Technical Overview
• Try out the coreclr version of the F# compiler on Windows.
• Recently proposed ideas:
  • implicit upcast of return values
  • Add anonymous modules
  • Add compiler-warning when using mutable or ref
  • Add blittable type constraints in order to support more robust native interop
  • Allow finer-grained control of “open”, like Haskell’s “import hiding”
  • Make F# quotations and FSharp.Reflection usable with mscorlib and FSharp.Core for other target profiles
  • Allow type providers to create and provide aliased types
  • Make type aliases enforceable at compile time

New releases

• AleaGPU v2.2 with support for curand
• FeldSpar Test Framework for F# 0.6.0.1
• Akka.NET .FSharp.API.Extensions 0.1.0.1
• Ionide-fsharp 1.3.0
• DiffSharp v0.7.0
• fsharp-mode (20151002.1124) — F# mode for Emacs
• FsUnit.xUnit 1.4.0-beta5 with xUnit 2.1 support

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

Previous F# Weekly edition – #39

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Preview of Visual F# Update 1 + fixed Express Sku support
• Progressive F# Tutorials 2015
• TheGamma
• An F# type provider for SAS is just happening here. FsLab + SAS is coming soon.
• The source browser engine behind referencesource.microsoft.com and source.roslyn.io is now open-source

Videos/Presentations

• Jet.com scales with Azure, F#, and more with Rachel Reese – Scott Hanselman
• TheGamma: Programming tools for data journalism – Tomas Petricek
• F# for Scala developers – Alfonso Garcia-Caro
• Some cool stuff I liked in F# while building a pet project in my spare time – Koen Metsu
• F# in the Real World – Yan Cui
• How machine learning helps cancer research – Evelina Gabasova
• CppCon 2015: Bjarne Stroustrup “Writing Good C++14”

Blogs

• Open Sourcing Surge – Alex Hardwicke
• Exercises in Programming Style–Cookbook – Yan Cui
• Sequential Logic Emulation with F# – Steven Pemberton
• Mobile Apps w/ F# – Jeremy Abbott
• Automating Xamarin Builds With FAKE – Part 1: Introduction And Setup – Jonathan Wood
• Web with F#: From Scripts to Azure with Tomas Petricek
• F# Friday – The Seq.skipWhile Function – Brad Collins

F# vNext News

• Visual Studio F# 4.0 Update 1 Preview 09-23-2015
• Don Syme is enabling F# type providers to more easily target portable profiles.
• Recently proposed ideas:
  • Allow “as” in match head

New releases

• WebSharper 3.4.19

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

Previous F# Weekly edition – #38

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Ionide – a suite of packages built on top of the Atom editor that allow cross platform F# development. (upcoming FsReveal integration)
• Microsoft Research is working on an open-source distributed analytics platform, codenamed Prajna, that is similar to Apache Spark, and meant for building distributed cloud services.
• Paket 2.0 + compatible VisualStudio and Atom addins (dependency groups were introduced)
• Please help to improve the Xamarin F# experience by answering this quick survey.
• edX F# course starts on Sept 28
• Some reasons to consider HOPAC.
• New Visual F# PowerTools small feature: go to referenced files from #load inside fsx scripts.
• NuGet packages from .NET world.

Videos/Presentations

• Little Introduction To Functional Programming & WCF Example in F# – Enrico Benini
• Microsoft Data Science Technologies: Architecture Edition – Mark Tabladillo
• Powering the Internet of Things – Roger Lipscombe
• Brave New OCaml World – Marek Kubica

Blogs

• Strengthening the building blocks of the digital world through research-industry collaboration – Don Syme
• Creating web sites with Suave: How to contribute to F# Snippets – Tomas Petricek
• Interview with Adam Granicz on WebSharper 3 – Pierre-Luc Maheu
• Drone Builder – A Story of Drones, React, and F# – Frank A. Krueger
• An Actor model example with Akka.NET – Claus Sørensen
• Functional error handling – parsing command line arguments in F# – Leif Battermann
• Exercises in Programming Style–Monolith – Yan Cui
• Try WebSharper: on-hover type info – István Gansperger
• F# Friday – The Seq.skip Function – Brad Collins
• Cross-platform C# and F# in 2015 – Tim Jones

F# vNext News

• Thank you Lincoln Atkinson for all that you have done for F#!
• Recently proposed ideas:
  • Consolidate F# expression trees (Expr) with System.Linq.Expressions
  • easier interop with FSharp.Core from other .net languages

New releases

• Paket 2.2.1
• FSharp.Azure .Storage 2.1.0
• FsPickler v.1.4.0
• EtoForms v2.1

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

Previous F# Weekly edition – #37

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F#’s ability to make Life Easier For Programmers is key to its popularity within industry.
• F* (FStar) reworked and released as v0.9.0.
• Community developed F# client for Event Store is listed on the site.
• Contribute to the new version of fssnip! It is now deployed to Azure: fssnip.azurewebsites.net. Just a few issues to go!
• MSBuild is going cross-platform with .NET Core!
• John Harrison’s “Handbook of Practical Logic and Automated Reasoning”, ported to F#
• F#unctional Londoners meetup just tipped over 1000 members!
• All OWIN features is implemented in Suave.IO now.
• F# Gotham – 17 Oct 2015
• .NET DeveloperDays – 19-20 October 2015
• Build Stuff 2015 Ukraine – 23-24 November 2015

Videos/Presentations

• F# Type Providers: The Current State – Sergey Tihon
• Tour of language landscape (katsconf) – Yan Cui

Blogs

• Improving the link between research and industry in the programming world – Don Syme
• In the age of the web: Typed functional-first programming revisited – Tomas Petricek
• FAKE + Paket with an interview from the creator – Mark Gray
• Word search puzzle in F# – Eric Lubisse
• EjectABed Version 2 – Now Using the Raspberry Pi (Part 1) – Jamie Dixon
• Know When to Fold’em – Adam Krieger
• Canopy : Automate your browser tests the F# way! – Richard Kerslake
• Exercises in Programming Style–Go Forth – Yan Cui
• F# Friday – The Seq.takeWhile Function – Brad Collins
• Series: Functional error handling in F# and C# – Leif Battermann
• Turnpike Problem (F#) – Boris Kogan
• Usando o “Project Euler” para aprender F# – Problemas 6, 7, 8, 9 e 10 – Elemar DEV

F# vNext News

• Performance issue when calling Async.RunSynchronously inside Async.Parallel
• Recently proposed ideas:
  • Support custom scheduler in Async
  • DefaultValue attribute should require ‘mutable’ when used in classes and records

New releases

• WebSharper UI.Next 3.4.19

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

Previous F# Weekly edition – #34#35#36

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• List of F# community heroes for 2015
• Jet. Realtime Pricing, Realtime Advertising
• New MOOC: Programming in F#.
• F# Gotham is coming…
• Visual F# PowerTools now support lightweight interface implementation
• Argu – a declarative CLI argument/XML configuration parser for F# applications
• Suave.IO‏ : Hello World OWIN & Hello World, Nancy!
• FsLab Visual Studio template now supports VS 2015.
• “Machine Learning Projects for .NET Developers” is finally available on Amazon
• Paket 2.0 will introduce “Groups” and “Analyzers“
• Announcing Availability of ASP.NET 5 Beta7
• Mono 4.2.0 is released

Videos/Presentations

• Suave from Scratch with Henrik Feldt
• Fake+Paket With Steffen Forkmann
• 10 Ways of Getting Started with F# – Tomas Petricek
• 5th Anniversary – Manipulating Data Trees in Fungible with Rick Minerich
• Fsharp – Kolja Dummann
• Обзор F# 4.0 – Дмитрий Власов (slides)
• Introdução ao F# – Fabiano Arruda
• FSharp On The Desktop – Birmingham FP 2015 – Phillip Trelford
• Datatype Generic Programming in F# – Ernesto Rodriguez ,Wouter Swierstra

Blogs

• Recursive types, catamorphisms and folds – Scott Wlaschin
• Real-time analytics with Apache Storm – now in F# – Eugene Tolmachev
• F# – Flexera FNOC WCF with Basic Auth – Ramón Soto Mathiesen
• F# Card Game Part 2 – Dealing Cards – Reid Evans
• Error: Successive arguments should be separated by spaces or tupled – Reid Evans
• YC.PrettyPrinter vs Microsoft.Text.StructuredFormat
• When x, y, and z are great variable names – Mark Seemann
• Try WebSharper: snippet versioning, gist import, and other enhancements now available – Adam Granicz
• Computation expression approach for calling REST API – Kimserey Lam
• New tools allow Microsoft’s functional language to work better with Visual Studio – Paul Krill
• F# Friday – The List.append Function – Brad Collins
• _____101 |> F# Coding Ecosystem: Paket && Atom w/ Paket – Λdrøn
• Wake County Voter Analysis Using FSharp, AzureML, and R – Jamie Dixon
• Single page application in F# with WebSharper UI.Next – Kimserey Lam
• F# Light Changes and Features – Heather
• Hackatron Prime – Mark Gray
• FSharpArm – part 2 – Frank Joppe
• Code Reuse with the SqlProgrammabilityProvider – Reid Evans
• F# Friday – The Seq.take and Seq.truncate Functions – Brad Collins
• Canopy : Automate your browser tests the F# way! – Antoine Sauvinet
• Facebook Api Using F# – Jamie Dixon
• Live F# coding and snippets with dependencies in Try WebSharper – Adam Granicz
• F# – Monty Hall problem – Yan Cui
• Best game programming books – Laurent Lepinay
• Exercises in Programming Style–Style 1 – Yan Cui
• Where did the Functional Languages come from? – FunctionalWorks
• “Getting” Functional Programming – Steve Gilham
• Decomposition Problem with F#, Dynamic Programming – Boris
• Stateless services on Azure Service Fabric in F# – Isaac Abraham
• Wake County Voter Analysis Using FSharp, AzureML, and R – Jamie Dixon
• Swagger for F# Web Apps – Sergey Tihon
• Important Languages You’ve Never Heard Of – Jeff Cogswell
• Random Art – Phillip Trelford

F# vNext News

• List of issues that Visual F# Team would love to have fixed for F# 4.0 update 1 (Great way to start contributing!)
• Don Syme has been working on aligning VisualFsharp with the FSharp Compiler Service
• Visual F# PowerTools hit 50000 downloads
• Check out ongoing integration of Visual F# PowerTools with FSharpLint
• Microsoft retools F# for Visual Studio 2015
• Recently proposed ideas:
  • Structural, extensible records like Elm (concrete proposal)
  • Nonconstant arguments for type providers
  • Give ‘A+B+…’ as a type shorthand for Choice<a,b,…>
  • Relax inference for array/list/seq literals with #subtypes
  • Discriminated union type in order to be able to write exception free code in F#
  • Enable compression of FSharp.Core.dll with –standalone
  • Compiler Plugins like Rust
  • Allow type abbreviation extensions

New releases

• fszmq 12.1.1
• FAKE v4.3.6 (“soft dependencies”, TFS and VisualStudioOnline support, FluentMigrator)
• F# Azure Storage Type Provider 1.3.0
• SourceLink.Fake 1.1.0
• Logary 3.4.1
• WebSharper 3.4.14
• FSharp.RDF 1.1.4
• FSharp.Qualia 0.1.4
• CoreTweet.FSharp 0.5.3
• F# mode for Emacs 20150902.732
• atom-fsharp 0.13.0

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

Previous F# Weekly edition – #33

Welcome to F# Weekly,

Note that F# Weekly goes to summer holidays under the gentle Spanish sun. The next edition of F# Weekly will be published on the first of September.

A roundup of F# content from this past week:

News

• .NET Team released fixes for RyuJIT.
• F# 4.0 Signals A Culture Change
• Akka.NET Goes to Wall Street
• Neo4j Type Provider was presented by Peter Bayne.
• Lots of F# courses now available on Pluralsight: take your pick!
• Delegate.Sandbox (IO side-effect free) library was presented.
• Machine Learning in Action – in F#
• FAKE 4.1 is released and allows using F# 4.0 in build scripts. Also support for Squirrel installer
• Multi-stage Programming in F#
• F# is back to the Tiobe language index, above Swift and R.
• Using Deedle from C#
• Changes in atom-fsharp. New syntax highlighting and formatting document
• Tomas Petricek is the Teacher of the Year 2015 Finalist 
• Awesome F# Course made it to the Azure stretch goal
• WebSharper.Charting – a simple radar chart
• FsAutoComplete 0.23 is released. Update for VS2015/F# 4.0 support
• saTrilogy.Etw – F# ETW EventSource

Videos/Presentations

• F# Type Providers: The Current State – Sergey Tihon
• JVMLS 2015 – Compilers are Databases – Martin Odersky

Blogs

• Algebraic type sizes and domain modelling – Scott Wlaschin
• Choosing between collection functions: A guide for the perplexed – Scott Wlaschin
• F#, REPL Driven Development, and Scrum – Jamie Dixon
• Building Azure Service Fabric Actors with F# – Part 2 – Isaac Abraham
• Type Driven Development: composition – Mark Seemann
• Generating emoji art using F# –  Alex Humphrey
• Going Functional : Merge and Quicksort in F# – Pawan Mishra
• Bulk Updating S3 Files in F# with AWS .NET SDK – Cody Sand
• Functional Programming vs OOP – Mike Mogosanu
• Introducing FunSharp – Phillip Trelford
• Unit Testing Your Xamarin Forms Applications With F# And FsUnit – Jon Wood
• F# Card Game Part 2 – Dealing Cards – Reid Evans
• Evaluating mathematical expressions by hand with F# – Ronnie Holm
• F# Friday – Pattern Matching, Part 4: Active Patterns – Brad Collins

F# vNext News

• The last 11 commits to the Visual F# repo were from 11 different contributors living in 9 different countries.
• RyuJIT Bug Advisory in the .NET Framework 4.6
• Recently proposed ideas:
  • Have String.ofSeq in the standard library
  • Have String.ofList in the standard library

New releases

• FSharp.Azure.Storage 2.0.0
• FSharp.Azure (deprecated) 1.0.3
• FSharp.QueryProvider 1.0.3
• FSharp.RDF 1.0.71
• FSharp.Qualia 0.1.3

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

Previous F# Weekly edition – #32

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Nominate your F# community heroes for 2015.
• Visual F# Power Tools: community-led tooling for F# in Visual Studio
• Vote for Lenses an F# first class language construct.
• Atom-fsharp: New FSI panel
• Introducing Try WebSharper
• Feature-by-feature comparison of ML dialects
• Follow @trywebsharper for a daily dose of F#+WebSharper snippets

Videos

• Paulmichael Blasucci on Practical Property-Based Testing with FsCheck and F#
• Fixxup(2015,5): Introduction to F# – Fanie Reynders
• Currying in a Hurry – Jeremy Abbott
• A Gentle Introduction to Multi-stage Programming? – Walid Taha
• Datatype Generic Programming in F# -Ernesto Rodriguez & Wouter Swierstra

Blogs

• Understanding map and apply – Scott Wlaschin
• Reinventing the Reader monad – Scott Wlaschin
• Language Safety Score, revisited – Mathias Brandewinder
• FSharpArm – part 1 – Frank Joppe
• Retro: The Weekly Source Code 34 – The Rise of F# – Scott Hanselman
• Partial Lenses in F# – Daniel Fabian
• Building Azure Service Fabric Actors with F# – Part 1 – Isaac Abraham
• WebSharper UI.Next 3.4: the new HTML syntax – Loïc Denuzière.
• F# 4.0 Released for All Platforms – Jeff Martin
• Why would anyone choose F# – Mark Gray
• .NET Cloud Computing with Alea GPU -Daniel Egloff
• Comparing Hash Times – Steve Hawley
• F# deep dives preliminary thoughts – rahul garg
• IIS Administration using Microsoft.Web.Administration using F# – Dominic Finn
• New WebSharper templates – Adam Granicz
• Parsing mathematical expressions by hand with F# – Ronnie Holm
• F# Card Game Part 1 – Modeling the Domain – Reid Evans
• F# Friday – Pattern Matching, Part 3: Discriminated Unions -Brad Collins
• How to create an Akka.NET cluster in F# -Bartosz Sypytkowski

F# vNext News

• Visual F# Power Tools: community-led tooling for F# in Visual Studio
• David Stephens is joining the F# team as a PM.
• A substantial file rename and cosmetic code cleanup has been applied to the F# compiler
• Recently proposed ideas:
  • Add System.Collections.ICollection implementations to F# list/set/map
  • Add “complement” and “logicalNot” operators to resolve the confusion with “~~~”
  • Weight code translation complexity
  • Relax some of the indentation rules

New releases

• FSharp.TypeProviders.StarterPack 1.1.3.72
• Akka.FSharp 1.0.4
• F# Data Toolbox (Twitter) 0.9.0
• YC.PrettyPrinter 0.0.2
• FSharp.RDF 1.0.68
• FSharp.QueryProvider 1.0.2
• FSharp.Qualia 0.1.1 & FSharp.Qualia.WPF 0.1.1

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

Previous F# Weekly edition – #31

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• RyuJIT Bug Advisory in the .NET Framework 4.6
• Released Visual F# PowerTools v2.0.0 with full support for F# 4.0 and a number of improvements from F# community.
• New “Getting started” tutorial for Paket.
• WebSharper 3.4 released
• FsEye and Unquote finally move to GitHub! Rejoice!
• Is it important for you to have F# support for .NET Native and Universal Apps? Lucian Wischik wants to hear from you.
• Vote for F# support in .Net native for UWP
• SharpBgfx – managed bindings for the bgfx graphics library.

Videos

• Less is More in Languages with Mark Seemann
• Reactive web applications in F# with WebSharper UI.Next – Loïc Denuzière
• Event Sourcing in practice – Benjamin Reitzammer & Johannes Seitz

Blogs

• F# for the backend. – Louie Bacaj
• Exciting New Things In F# 4.0 – Jon Wood
• Two More Major Bugs Revealed in .NET 4.6’s RyuJIT Compiler – Jeff Martin
• Why you should wait on upgrading to .Net 4.6 – Nick Craver
• Scala’s Either sum type equivalent – M Sheik Uduman Ali
• F# unit testing with xUnit – Mark Allibone
• A little tribute to FSharp.Data.SqlClient – Bjørn Einar Bjartnes
• Slides for “F# at Gamesys” – Yan Cui
• Functional Programming vs OOP – Mike Mogosanu
• F# Friday – Pattern Matching, Part 2: Record Types – Brad Collins
• The Apply pattern – David Tchepak
• Pride and Prejudice – Richard Dalton
• Check if a given integer is Even or Odd – Anubhav Saini
• Automated reasoning in F#, Scala, Haskell, C++, and Julia – Philippe Desjardins Proulx

F# vNext News

• Visual F# Short-term roadmap.
• Recently proposed ideas:
  • Add a way to prevent async execution at compiletime

New releases

• FSharp.Compiler.Service 1.4.0.1
• FSharp.Management 0.3.0 (Added SystemTimeZonesProvider)
• FSharp.TypeProviders.StarterPack 1.1.3.71
• Orleankka.Fsharp 0.9.0
• EventStore.Client F# API 4.2.0
• FSharp.RDF 1.0.64
• R.NET F# Utility 1.6.5
• FsUnit.xUnit 1.4.0-beta2

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

Previous F# Weekly edition – #30