There’s just a week to go until the Progressive F# Tutorials returns to Skills Matter in London, on Nov 6-7, and it’s never too late to book.
The tutorials are a 2 day / 2 track event community event made up of 3 hour long hands on sessions with industry experts, suitable for beginners and experts alike.
The first day will start with a keynote from Don Syme, F# community contributor and a Principal Researcher at Micrsoft Research, on the F# way to reconciliation.
On the beginners track we have:
And on the advanced track:
- Jérémie Chassaing, Hypnotizer founder, on CQRS with F#
- Mathias Brandewinder, F# MVP, on Treasures, Traps & F#
- Michael Newton, of 15below, on Metaprogramming in F#
- Tomas Petricek, Real World FP author, on the F# compiler
There’ll also be a Park Bench panel on the Thursday with experts including Pluralsight author Kit Eason and SQL Provider contributor Ross McKinlay.
Read this review of this year’s Progressive F# in New York.
Check out what happened at the last 3 tutorials in London: 2013, 2012 and 2011.
Plus a free F# Hackathon on the Saturday!
Richard Paul Lohse was a Swiss born painter and graphic artist who typically produced pieces that had “interacting colour elements in various logical/mathematical relations visible to the eye”
Out of curiosity I’ve taken a small number of Lohse’s work, generated them procedurally and added simple animations.
Here I imagined the centre blocks bleeding out and filling the adjacent blocks a line at a time.
15 systematische Farbreihen mit 5 gleichen horizontalen Rythmen
This picture is composed of lines with a 15 row colour progression with each column having an offset. To animate it I rotate each column’s colours in an opposing direction.
This Lohse inspired spiral consists of alternating block patterns animated anti-clockwise.
The same pattern with alternating block patterns rotating clockwise and anti-clockwise.
Four Similar Groups
Here I imagined the red blocks shooting up and down and from side-to-side.
Each piece was generated procedurally using an F# script. A parameterized function is used to generate a frame as a bitmap, with a series of frames created to form an animated gif.
For example to draw the 15 lines
// Column widths
let xs = [3;2;1;4;2;1;4;2;1;4;2;1;4;2;1]
// Column color offsets
let ys = [0;10;14;8;11;6;9;4;7;2;5;12;4;13;1]
// Image width and height
// Block width and height
let w,h = 14,30
// Returns image using specified color offset
let draw n =
let image = new Bitmap(width,height)
use graphics = Graphics.FromImage(image)
for y = 0 to 14 do
List.zip xs ys
|> List.mapi (fun i xy -> i,xy)
|> List.scan (fun x (i,(dx,dy)) ->
let n = if i%2 = 0 then -n else n
let brush = brushes.[(15 + y + dy + n) % 15]
graphics.FillRectangle(brush, x*w, y*h, w*dx,h)
x + dx
) 0 |> ignore
let encoder = AnimatedGifEncoder()
if encoder.Start(@"c:\temp\15lines.gif") then
for i = 0 to 15 do
encoder.AddFrame(draw i) |> ignore
encoder.Finish() |> ignore
The easiest place to see what’s going on in the F# community is to follow the #fsharp hash tag on Twitter. The last 24hrs have been as busy as ever, to the point where it can be hard to keep up these days.
Here’s some of the highlights
Build Stuff conference to feature 8 F# speakers:
and workshops including:
FP Days programme is now live, and features key notes from Don Syme & Christophe Grand, and presentations from:
New Madrid F# meetup group announced:
F# MVP Rodrigo Vidal announces DNA Rio de Janeiro:
Try out the new features in FunScript at MF#K Copenhagen:
Mathias Brandewinder will be presenting some of his work on F# & Azure in the Bay Area
Let’s get hands on session in Portland announced:
Riccardo Terrell will be presenting Why FP? in Washington DC
Sessions featuring FsCheck, Paket & SpecFlow scheduled in Vinnitsa (Ukraine)
Get Doctor Who stats with F# Data HTML Type Provider:
Major update to FSharp.Data.SqlClient:
ProjectScaffold now uses Paket:
Microsoft Research presentation on new DBpedia Type Provider:
More F#, Xamarin.Forms and MVVM by Brad Pillow
Cross-platform MSBuild API by Robin Neatherway
Hacking the Dream Cheeky Thunder Missle Launcher by Jamie Dixon:
Check out Sergey Tihon’s F# Weekly!