# F# Weekly #20, 2019 – dotnet/fsharp & 2019 Board of Trustees Campaign

**URL:** <https://forums.fsharp.org/t/f-weekly-20-2019-dotnet-fsharp-2019-board-of-trustees-campaign/806>\
**Category:** General\
**Tags:** news\
**Created:** [May 19, 2019, 5:32pm UTC](https://forums.fsharp.org/t/f-weekly-20-2019-dotnet-fsharp-2019-board-of-trustees-campaign/806 "2019-05-19T17:32:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![sergey\_tihon](https://yyz2.discourse-cdn.com/flex030/user_avatar/forums.fsharp.org/sergey_tihon/32/25_2.png) [@sergey\_tihon](https://forums.fsharp.org/u/sergey_tihon)\
**Post date:** [May 19, 2019, 5:32pm UTC](https://forums.fsharp.org/t/f-weekly-20-2019-dotnet-fsharp-2019-board-of-trustees-campaign/806/1 "2019-05-19T17:32:42Z")

</div>

Welcome to F# Weekly,

A roundup of F# content from this past week:

**News**

- [2019 Board of Trustees Campaign](http://foundation.fsharp.org/2019_board_of_trustees_campaign)
- [The "Applied F# Challenge" submission deadline is soon. Don't forget to submit a blog post or some other nice work you did.](https://twitter.com/sforkmann/status/1128187202142445569)
- [Default implementations in interfaces](https://devblogs.microsoft.com/dotnet/default-implementations-in-interfaces/)
- [Performance Improvements in .NET Core 3.0](https://devblogs.microsoft.com/dotnet/performance-improvements-in-net-core-3-0/)
- [Create Interactive .NET Documentation with Try .NET](https://devblogs.microsoft.com/dotnet/creating-interactive-net-documentation/)
- [New Azure Search docs with F# samples](https://twitter.com/bitsforthought/status/1129254872728006656)
- [eiriktsarpalis/dotnet-sdk-mono](https://hub.docker.com/r/eiriktsarpalis/dotnet-sdk-mono)
- New book: [Design Patterns in .NET (Reusable Approaches in C# and F# for Object-Oriented Software Design)](https://www.apress.com/gp/book/9781484243657) by Nesteruk, Dmitri
- [.NET Core Diagnostics Overview](https://github.com/dotnet/diagnostics/tree/master/documentation/tutorial)
  - [Installing the diagnostics tools](https://github.com/dotnet/diagnostics/blob/master/documentation/tutorial/installing_the_diagnostics_tools.md)
  - [App is leaking memory (eventual crash/hang)](https://github.com/dotnet/diagnostics/blob/master/documentation/tutorial/app_is_leaking_memory_eventual_crash.md#app-is-leaking-memory-eventual-crashhang)
  - [App is running slow (due to high CPU)](https://github.com/dotnet/diagnostics/blob/master/documentation/tutorial/app_running_slow_highcpu.md)
  - [App is experiencing intermittent memory spikes](https://github.com/dotnet/diagnostics/blob/master/documentation/tutorial/intermittent_memory_spike.md)
  - [App is hanging](https://github.com/dotnet/diagnostics/blob/master/documentation/tutorial/hung_app.md)

**Videos & Papers**
- [#fsharp #monogame F# Platform Game Series TEA and animated sprites](https://www.youtube.com/watch?v=80JVTCcZW1g&feature=youtu.be) - Dave Thomas
- [Episode 25 - Blazor - You Want To Run .NET Where?!](https://dotnetcore.show/episode-25-blazor-you-want-to-run-net-where/) - Jamie Taylor
- [Episode 12 - Function declarations](https://www.youtube.com/watch?v=psTZi6xpTlM&frags=pl%2Cwn) - Immo Landwerth
- [Machine Learning at Microsoft with ML .NET](https://arxiv.org/abs/1905.05715)

**Blogs**
- [Digital Signal Processing with F#](http://binarygears.de/AppliedFSharpChallenge/Digital_Signal_Processing_with_FSharp.html) - Ronald Schlenker
- [F# infinite sequence to read console input](https://www.log4code.com/f-infinite-sequence-to-read-console-input/) - Jonathan
- [ASP.NET Core: Saturating 10GbE at 7+ million request/s](https://www.ageofascent.com/2019/02/04/asp-net-core-saturating-10gbe-at-7-million-requests-per-second/) - Ben Adams
- [Fsion - 0. Introduction](http://anthonylloyd.github.io/blog/2019/05/17/fsion-00-introduction) - Anthony Lloyd
- [Fsion - 1. Size](http://anthonylloyd.github.io/blog/2019/05/17/fsion-01-size) - Anthony Lloyd
- [Creating Strings with No Allocation Overhead Using String.Create](https://www.stevejgordon.co.uk/creating-strings-with-no-allocation-overhead-using-string-create-csharp) - Steve Gordon
- [Build your own WebAssembly Compiler](https://blog.scottlogic.com/2019/05/17/webassembly-compiler.html) - Colin Eberhardt

**F# vNext:**
- [`dotnet fsi` can't be started on Windows](https://github.com/ionide/ionide-vscode-fsharp/issues/1087)
- [Remove concept of AppDomains from the GC](https://github.com/dotnet/coreclr/pull/24536)

> <https://twitter.com/isaac_abraham/status/1127520656323678209>

**GitHub projects**

- [dotnet/fsharp](https://github.com/dotnet/fsharp) - The F# compiler, FSharp.Core library, and tools for F#
- [Zaid-Ajaj/ThrowawayDb](https://github.com/Zaid-Ajaj/ThrowawayDb) - Dead simple integration tests with SQL Server or Postgres throwaway databases that are created on the fly, used briefly then disposed of automagically.
- [hodzanassredin/FsForth](https://github.com/hodzanassredin/FsForth) - Implementation of forth programming language in fsharp for learning purposes.
- [TheAngryByrd/Marten.FSharp](https://github.com/TheAngryByrd/Marten.FSharp) - A set of FSharp wrappers around Marten
- [Zaid-Ajaj/ThrowawayDb](https://github.com/Zaid-Ajaj/ThrowawayDb) - Dead simple integration tests with SQL Server or Postgres throwaway databases that are created on the fly, used briefly then disposed of automagically.

**New Releases**
- [Fabulous 0.34](https://twitter.com/dksergej/status/1129449261932929024)
- [Hedgehog 1.0](https://twitter.com/hedgehogqa/status/1127880156591349760)
- [XamarinForms.Reactive.FSharp 1.0.1.69](https://www.nuget.org/packages/XamarinForms.Reactive.FSharp/1.0.1.69)
- [FSharpx.Collections 2.0.0](https://www.nuget.org/packages/FSharpx.Collections/)
- [FSharpx.Collections.Experimental 2.0.0](https://www.nuget.org/packages/FSharpx.Collections.Experimental/)
- [MiniScaffold 0.16.2](https://twitter.com/Jimmy_Byrd/status/1129484902288764928)

> <https://twitter.com/ashmind/status/1127430933924143109>

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

Previous F# Weekly edition – [#19, 2019](http://sergeytihon.com/2019/05/11/f-weekly-19-2019-ionide-info-panel-open-f-cfp-net-5/)
