Are you an F# user on Mac OS or Linux, looking for the easiest way to develop multi-project F# solutions with full code assistance and type checking? Would you like to use F# Interactive for developing and testing parts of your web applications interacti[...]

This is a brain dump from a Twitter/IRC discussion with @panesofglass and @bryanedds. So there is this brand-new thing called Facebook React and hype wave about Virtual DOM. I only skimmed this library, but here are some reasons why I remain sceptical: [...]

If you’ve ever tried to create an HttpMessageHandler in F#, you’ll have been bitten by the problem of not being able to call base.SendAsync from a callback. The solution is actually quite simple. Just wrap the HttpMessageHandler and expose the protected S[...]

Most discussions about monads, even in F#, start by looking at the well-known standard monads for handling state from Haskell. The reader monad gives us a way to propagate some read-only state, the writer monad makes it possible to (imperatively) prod[...]

Listen here what the great Luciano Pavarotti has to say about F# ;) (Starts at 3m18s. Some non-desktop browsers will take you to the beginning instead, so you might have to wind forward manually.)

One of the more hotly debated topics among software developers these days is adopting functional programming. Those people who ponder these questions have presented good arguments regarding adopting (or avoiding) functional programming.  But the term “fun[...]

At the moment we are porting one of our products from Dynamics NAV 2009 R2 (Classic Client) to NAV 2013 R2. We have thousands of unit tests and most of them work out of the box. But now my colleague Matthias Schäfer found a very strange issue. Consider th[...]

Welcome to F# Weekly, A roundup of F# content from this past week: News Visual F# PowerTools: 3 months, 15 contributors, 700 commits and 5.6k downloads. It has been an amazing journey! NET Framework 4.5.2 was announced. Steffen Forkmann’s pull requests to[...]