F# Weekly #36, 2014

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• If you want to request new features for the F# addin in Xamarin studio please add them here.
• Mono v3.8  is out with shebang support for F# scripts.
• A new guide was added to fsharp.org – where to make suggestions, report issues and contribute fixes.
• *Wanted compiler hackers* to help work on adding value to F# Compiler services features.
• Latest TIOBE index just published, an F# firm at 14th place, best placed func language, been so for months already.
• Exciting discussions are taking place around Paket – a .NET dependency package manager.
• FSharp.Compiler.Service v0.0.60 is out.
• MBrace has a shiny new page with docs and tutorials.
• CloudSharper 0.9.17.1 is out with workspace-less F# interactive.
• FSharp.Data.SqlClient v1.3.3 is out.
• Akka.FSharp v0.6.4 is out.
• New F# testimonial is up (from Microsoft Research intern Dylan Hutchinson).
• List of FsCheck users was published.
• WebSharper v2.5.124.61 is released with bugfixes and WIG improvements.
• More Algebra was added to FsUno Journey Log.
• FSharp.Data.DbPedia v0.0.2 (an F# type provider for DBpedia, allowing you to browse and query Wikipedia knowledge in a strongly typed way) is out.
• MathNet.Numerics.FSharp v3.2.3 is out.
• FSharp.Core.4.3.0.0.Microsoft.Signed v3.0.0.1 and FSharp.Core.Microsoft.Signed v3.1.1.1 are out.
• Proportion of IT jobs mentioning F# has halved since last year.
• Mathias Brandewinder is working on F# Twitter Bot.
• Philip David Harvey is working on F# binding autocomplete for SublimeText 3.
• If you would like to propose adding F# support to Travis, see the PR that they used to add support for Rust.
• ServiceStackVS now includes F# VS .NET Templates!
• Try latest version of FSharpLint tools.

Core and Lang News

• Don Syme wishes we could weight fslang.uservoice.com features by estimated cost, so voting for an expensive/intrusive feature uses up more vote please.
• Still some functions are needed from “F# 4.0+ library additions”.
• Some nice performance improvements to the F# compiler by @Codecutterman, by changing the default GC settings.
• Please comment on this proposal to add “chunkBy” to the list of FSharp.Core Seq/List/Array functions in F# 4.0+.
• Please review and maybe vote for this proposal to make Widget(X=abc) initializers more powerful.
• Please comment/vote on proposal about explicitly referencing FSharp.Core modules by full path.
• Please review Don Syme’s PR “class names as functions“.
• Recently proposed PRs (Please review and comment):
  • “implement *find*back methods” by Patrick MacDonald.
  • “fix url of fsharp.org website” by esada.
  • “optimization for for-expression” by Marten Range.
  • “seq.tail and array.tail” by bogdangaliceanu.
  • “extension property initializers” by EdwardPaul.
  • “implement groupby (attempt 2)” by OkayX6.
  • “implement indexed” by PatrickMcDonald.
  • “implement mapfold and mapfoldback” by PatrickMcDonald.

Videos/Presentations/Courses

• “Happily together: F# and SQL” with Dmitry Morozov and Dmitry Sevastianov.
• Code & slides from Tomas Petricek’s F# case study at ML workshop.
• FunScript HTML Extensions by Alfonso Garcia-Caro.
• “Coeffects: A Calculus of Context-Dependent Computation” by Tomas Petricek.
• “CUFP 2014: Building data and time-series analytics tools for F#” by Tomas Petricek
• “CUFP 2014: MBrace: large-scale programming in F#” by Eirik Tsarpalis.

Blogs

• Yan Cui posted “F# – genetic algorithms to help you catch monsters“.
• Jamie Dixon blogged “Fun with Statistics and Charts“.
• Roopesh Shenoy presented “ASP.NET vNext: Custom Project Loaders and Language Support“.
• Simon J.K. Pedersen wrote about “Using SendGrid to Send Emails to Azure Queue“.
• Isaac Abraham posted “Lightweight websites with F#“.
• Andreas Willich blogged “F# Raw SQL Access“.
• Roopesh Shenoy wrote “Json.NET Updates: Merge, Dependency Injection, F# and JSONPath Support“.
• Ted Neward blogged “Fun with C#, Part 2“.
• Micah Smith posted “F# Azure Worker Role NLog Logging Setup“.
• Phil Trelford wrote about “TypeScript Mario“.
• 7shi wrote “F#のシーケンスでコルーチン(2)“.

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

Previous F# Weekly edition – #35