Sergey Tihon's Blog

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

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing the RTM of Visual F# 4.0
• Announcing .NET Framework 4.6 (with an awesome F# section)
• Visual F# 4.0.0 change is really awesome.
• Nominate your F# community heroes for 2015! We’ll open voting in mid-August and announce in early September.
• MiniJson – Minimal conforming JSON parser for F#
• New Book: Learning F# Functional Data Structures & Algorithms
• The super fast FAKE 4.0 is live.
• Would anyone like to help add FTP Type Provider to Fsharp.Management?
• Please help to test the Visual F# PowerTools beta support for F# 4.0.
• Predictions League, made with F#. (source code)
• GitHub Extension for Visual Studio is open source
• SourceLink: Source Code On Demand

Videos

• Six Quick Picks from Visual F# 4.0 – Lincoln Atkinson

Blogs

• Language Safety Score Mark 2 – Steve Shogren
• Fun with Alea.CUDA, F# Interactive, Charts – Boris Kogan
• Reckoning day – Dave Thomas
• Creating a Web API service with F# and hosting it on Azure – Mark Allibone
• Beware of implicit boxing of value types – Yan Cui
• F# decompiled into C# – Scott Wlaschin
• On how Jet chose F# – Jet
• Jet’s Tech Talk Weekly Series – Jet
• HIGH PERFORMANCE REAL-TIME STOCKS COMPUTATION ENGINE – part 1 – Celso Axelrud
• Swapping type-safety for high performance using compiler directives – Scott Wlaschin
• How to implement a spreadsheet – Neelakantan Krishnaswami
• Creating Mock API Server in Fsharp Using Suave – Tamizh Vendan
• Securing APIs in Suave Using JSON Web Token – Tamizh Vendan
• F# Friday – Pattern Matching, Part 1 – Brad Collins
• The Counted Part 3: Law Enforcement Officers Killed In Line Of Duty – Jamie Dixon

F# vNext News

• Recently proposed ideas:
  • Make “do” optional in for and while loops
  • comment in supporting files
  • extend all collection types with one function.
  • Add namespace as a parameter to SqlDataConnection

New releases

• FSharp.Core for F# 4.0 v4.0.0.1
• FSharp.Compiler.Tools for F# 4.0 v4.0.0.1
• fszmq 12.1.0
• FSharp.Data.HList 0.1.3
• FAKE 4.0.2
• Paket 1.21.1
• FsUnit 1.3.1
• FSharp.Formatting 2.10.0
• Yaaf.FSharp.Scripting 1.1.11

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

Previous F# Weekly edition – #29

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Visual Studio 2015 Final Release Event
• Take part in discussion of the future of atom-fsharp
• Do you want support for function & type search in F#? Please vote for this idea.
• If you use VS Code, you probably would like to vote for “improve support of Fsharp (repl, intellisence) and msbuild “frontend” in VSCode for creating and compiling simple projects“
• Check out Sean Trelford ‘s submission for DDD East Anglia – Live coding music with Sonic Pi (don’t forget to vote)
• Know bug in F#, but do not know how to report it? Follow new “Report/Fix an Issue” guide.
• Chessie: A Tale of 3 Nightclubs
• If you are interested in F# and immutable data structures check out FSharpx.Collections (we need tutorials and better docs)
• “Awesome F# Course” just made the target.
• F# Syntax Highlighting for GitLab.

Blogs

• F# decompiled into C# – Scott Wlaschin
• Introvert and extrovert programming languages – Scott Wlaschin
• Securing APIs in Suave Using JSON Web Token – Tamizh Vendan
• HIGH PERFORMANCE REAL-TIME STOCKS COMPUTATION ENGINE – part 1 – Celso Axelrud
• From procedural to functional – an example in F# -Michal Franc
• Open Source .NET with AppVeyor NuGet Feeds – Cameron Taggart
• F#, ArcGIS Runtime and error “Cannot create unknown type ‘{http://schemas.esri.com/arcgis/runtime/2013}MapView’” – Marko Apfel
• Generate plain item list from a catalog in a web page – M Sheik Uduman Ali
• The Counted: Initial Analysis Using FSharp and R – Jamie Dixon
• How to: Example F# application with functional flow – Reid Evans
• F# Friday – The Set.difference Function – Brad Collins
• How to avoid boxing value types in F# equality comparisons – Zeckul
• Domain Modeling with Types – Ryan Riley

F# vNext News

• Recently proposed ideas:
  • Disable or add a warning to mutable use bindings (Planned)
  • F# compiler should support CallerLineNumber, CallerFilePath etc (Planned)

New releases

• FSharp.Core 3.1.2.5
• atom-fsharp 0.8
• FSharp.Data.SqlClient 1.7.5
• WebSharper 3.3 released with client-side JSON serialization
• FAKE 4.0.0-alpha002 (With automatic caching of FAKE build scripts)
• FSharp.RDF 1.0.60
• OpenNLP.NET 1.6.0
• MaltParser.NET 1.8.1

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

Previous F# Weekly edition – #28

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• A Complete List of .NET Open Source Developer Projects
• Become a beta-tester of PrivateEye.
• FSharp.Data.SqlClient. Dealing with transactions & Data modification
• “Thank you for your contributions” – .NET Team.
• A Look At Akka.NET
• Awesome F# Course

Videos/Presentations/Courses

• New book: Machine Learning Projects for .NET Developers Paperback – Mathias Brandewinder
• Machine learning the F# way – Evelina Gabasova
• Visual Studio & .NET on OS-X, Linux, and Windows – Adron Hall
• Troll Hunting on the Internet – Gary Short
• PrivateEye – Greg Young
• Lightning Talks – Sean Trelford, Ronald Mavarez, Martin Gravråk, Michał Śliwoń and Stian Veum Møllersen
• F# at GameSys – Yan Cui
• Магия F# для обработки данных: монады, провайдеры типов и немножко теории категорий – Дмитрий Сошников

Blogs

• Parallelizing Async Tasks with Dependencies – Riccardo Terrell
• How “Functional” F# Really Is? – Ivan Krivyakov
• Nifty things in F# – Robin Ridderholt
• The Counted: Initial Analysis Using FSharp and R – Jamie Dixon
• How To: Example application with data access in F# – Reid Evans
• F# Friday – The Option Type, Part 3 – Brad Collins
• Refactoring the Monadster – Scott Wlaschin
  • Dr Frankenfunctor and the Monadster
  • Completing the body of the Monadster
  • Refactoring the Monadster
• F# – Fibonacci with CSP and F# Agents – Ramón Soto Mathiesen
• Meta-Matic – Dave Thomas

F# vNext News

• Recently proposed ideas:
  • F# interactive could support saving and loading its state to/from a file
  • Revert back to an accepted feature the delayed implementation of interfaces

New releases

• FsCheck 2.0.3
• FSharp.Compiler.Service 1.3.1 & 1.4.0-beta
• FSharp.Data.SqlClient 1.7.3
• FSharp.Charting 0.90.12
• FsPickler 1.2.13
• F# Data 2.2.5
• FSharp.Management 0.2.1
• FSharp.QueryProvider 1.0.1
• Nameless Interactive FSharp MongoDB 0.0.3

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

Previous F# Weekly edition – #27

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Microsoft researcher Don Syme honored with Silver Medal from Royal Academy of Engineering.
• Thank you for your contributions
• Dave Thomas finally got the F# MVP!
• F# is the best-paying .NET language in which to program. Also, the most loved!
• Save the Date: Visual Studio 2015 RTM on July 20th
• iOS 9 support for C# and F# users!
• F# kernel for Jupyter
• CommandLine 2.0.19 to parse against an F# record (Immutable Target)
• EvReact a functional way to (WinForms) events in F#. Read tutorial.

Videos/Presentations/Courses

• New course: F# Jumpstart –  Kit Eason
• TYPE-DRIVEN DEVELOPMENT – Mark Seeman
• ENTERPRISE TIC-TAC-TOE – Scott Whalsch
• FUNCTIONAL LIBRARY DESIGN – Thomas Petricek
• IF YOU’RE NOT LIVE CODING, YOU’RE DEAD CODING! – Jeremy Chassain
• THE T IN TDD : TESTS, TYPES, TALES – Mathias Brandewinder
• Reactive-interactive approaches to visualization of F# jobs – Alena Dzenisenka
• The Joy of REPL – Richard Dalton
• F# as our day job by 2016 – Tomas Jansson
• Lazy v. Yield: Incremental, Linear Pretty-printing – Oleg Kiselyov, Simon Peyton-Jones, and Amr Sabry

Blogs

• Visualizing interesting world facts with FsLab – Tomas Petricek
• We don’t need no stinking UML diagrams – Scott Wlaschin
• Creating a Generative Type Provider – Dave Fancher
• Don’t Get Lost in the Forest I – The Algorithm – QuantAlea
• Don’t get Lost in the Forest II – The CPU Implementation – QuantAlea
• Sandcastle Help File Builder and FSharp – Jamie Dixon
• An FSharp monad TIL experience – Reid Evans
• Updated: GPU accelerated Random Forest example – Alea GPU
• Flappy – Phillip Trelford
• Fun with F# unit testing – Piotr Benetkiewicz
• Boolean Logic and Arithmetic with F# – Steven Pemberton
• Visual Studio & .NET on OS-X, Linux, and Windows – Composite Code
• F# Friday – The Option Type, Part 2 – Brad Collins
• On the bleeding edge – Akka.Net + Suave.io + DNX in F# – Andreas Willich
• Convert WAV to GSM in NAudio with F# – Mark Heath
• Nifty things in F# – Robin Ridderholt

F# vNext News

• Recently proposed ideas:
  • Modify Option.map return None in case of null
  • Make records extensible a la Elm

New releases

• Paket 1.18.5
• fszmq 12.0.1
• atom-fsharp 0.7.0
• CoreTweet.FSharp 0.5.1.191

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

Previous F# Weekly edition – #26