IntelliFactory Blog - F#

An F# Web Server From Sockets and Up

Mon, 07 Nov 2011 15:34:43 GMT

I wrap asynchronous .NET socket methods in F# Async and benchmark a simple webserver clocking at 3500 requests/second. Read more.

A Faster and Leaner WebSharper 2.4 is Coming

Wed, 28 Sep 2011 06:17:53 GMT

We are currently finalizing the 2.4 release of WebSharper. This release is mainly concerned with bug fixes and quality-of-implementation improvements. The exciting part is that we are witnessing about 30%-35% generated code size reduction, and a 40% reduction in compilation time. The optimizer is also more capable, featuring local tail call optimization.

WebSharper 2.3 Q3 released

Sat, 24 Sep 2011 01:08:59 GMT

This release ships the preliminary support for mobile devices, a new WebSharper component we call WebSharper Mobile. [more...]

WebSharper at CUFP 2011

Thu, 15 Sep 2011 16:05:24 GMT

Back in 2004 when we founded IntelliFactory to do commercial F# development, there were just a few dozen people who have heard about F# worldwide. When pitching to various companies or talking informally about what we do I usually met with total utter disbelief - how could a company that specializes in something unknown ever succeed? [...]

Announcing Formlets for jQuery Mobile

Fri, 09 Sep 2011 11:30:44 GMT

The WebSharper Extensions for Formlets for jQuery Mobile give you the power of jQuery Mobile combined with the succinctness of formlets.

WebSharper Extensions for Bing Maps 7.0 updated

Thu, 04 Aug 2011 01:16:04 GMT

The WebSharper Extensions for Bing Maps has been updated to reflect the last changes in the 7.0 API. Among notable additions are Directions, a simplified interface to the Routes REST API, Traffic and VenueMaps, as well as the possibility to implement your own extension modules.

WebSharper Extensions for ExtJS 4

Sun, 24 Jul 2011 23:58:54 GMT

In this post I introduce our latest WebSharper Extensions for ExtJS 4.

TinyMCE Extension for WebSharper Released

Fri, 22 Jul 2011 01:54:29 GMT

We are happy to announce a new WebSharper extension, this time for TinyMCE. TinyMCE is one of the most popular Javascript WYSIWYG editors. [read more...]

WebSharper 2.3 - targeting enterprise applications

Fri, 15 Jul 2011 19:25:34 GMT

We have been pretty busy these past few months working on a number of enhancements to WebSharper for its 2011 Q2 milestone - and I am happy to announce that the new 2.3 release is now out for public consumption. [more...]

An asynchronous Slot machine

Fri, 15 Jul 2011 05:28:50 GMT

In this post I highlight the enhanced support for asynchronous programming in WebSharper. I show an example, modelling a slot machine as asynchronous computations run in parallel.

WebSharper 2.3

Wed, 13 Jul 2011 16:14:09 GMT

The WebSharper 2.3 release is out today.

Color the Wind - a 2D Canvas demo with WebSharper

Mon, 04 Jul 2011 05:56:11 GMT

At DemoJS, a demoparty dedicated to web technologies that took place this weekend in Paris, a demo coded with WebSharper was released.

Interfacing with dynamic JavaScript APIs in WebSharper

Tue, 21 Jun 2011 04:53:09 GMT

This article gives and example of how to interface with dynamically typed JavaScript APIs.

WebSharper / O3D sample: Snooker game

Thu, 16 Jun 2011 09:39:29 GMT

We translated the snooker game sample from the official O3D website to WebSharper. The result is on par with the original in terms of performance, with 25% shorter source code and extra code safety.

O3D Extension for WebSharper available

Mon, 06 Jun 2011 06:29:50 GMT

In our continuing effort to make the most powerful JavaScript tools available to WebSharper developers, we are releasing the extension for Google O3D. O3D is a 3D programming library built on top of WebGL, enabling high-level resource and rendering management for 3D scenes.

Building a Loading Icon Formlet Combinator

Wed, 18 May 2011 03:06:38 GMT

In this post I show how to implement a formlet combinator encapsulating the common AJAX pattern of displaying a loading icon while submitting values to the server and waiting for a response.

Creating Custom Formlet Controls

Mon, 16 May 2011 09:03:15 GMT

This post shows how to create custom formlet controls.

Expiring WebSharper Professional trials

Fri, 13 May 2011 04:33:55 GMT

Since we released WebSharper Professional last week, we received ~200 requests about extending prior trial versions that expired. As it turns out WebSharper Professional has been in beta for several months and the first users who opted in to try it were now unable to check out the final release due to expired trial licenses. [...]

Announcing WebSharper Professional 2.2

Fri, 06 May 2011 16:03:49 GMT

Today we are very excited to announce the availability of the final release of WebSharper Professional (version 2.2.x), the premiere web development framework for F# developers, combining the strengths of functional programming with robust and composable web programming abstractions such as formlets and sitelets that unrival the capabilities of any other web framework. This release follows many long months of hard work and sleepless nights and overall signifies a major new addition to the WebSharper family.

Announcing ApiStack.net

Fri, 22 Apr 2011 17:39:32 GMT

Have you ever wanted to give your F# library users a nice and clean API documentation but didn't have the right tools to create it? Or you have tried all kinds of API documentation tools and none of them worked for your F# assemblies? Well, now you have to look no further - we have the perfect tool for you: ApiStack.net.

DHTMLX Touch for WebSharper available

Tue, 12 Apr 2011 08:52:51 GMT

Today we are happy to announce the release of a new extension for WebSharper: DHTMLX Touch. This library provides a complete set of UI widgets, alongside a number of tools to seamlessly connect them to application data, resulting in web applications with an impressive native feel.

WebSharper RC2 Extension updates

Mon, 04 Apr 2011 07:06:50 GMT

Today we released a comprehensive set of updates for all extensions targeting WebSharper 2 RC2. If you are using any WebSharper 2 extensions and WebSharper 2 RC2, we recommend that you update your extensions by installing the updates from the Extensions page. [...]

WebGL and glMatrix Extensions for WebSharper Released

Fri, 01 Apr 2011 10:23:55 GMT

Today we are happy to announce the release of not one, but two new WebSharper extensions: WebGL and glMatrix. Together, they bring the power of hardware-accelerated 3D into WebSharper.

WebSharper 2.1 Professional RC2 released

Sat, 26 Mar 2011 15:37:27 GMT

We are happy to announce that WebSharper 2.1 Professional RC2 is now available for Visual Studio 2008/2010 developers. You can find and download the latest version from [...]

Bing Maps 7.0 Extension for WebSharper

Thu, 24 Mar 2011 02:47:29 GMT

The Bing Maps extension for WebSharper has been updated to version 7.0 of the library. It allows developers to use the latest features of Bing Maps, including info boxes and keyboard events. It also provides a convenient interface to the REST API for searches, routes and static map images.

Introducing formlets for jQueryUI

Fri, 11 Mar 2011 00:38:05 GMT

In this post I introduce our latest WebSharper extension - Formlets for jQueryUI.

Formlets for jQuery UI available

Thu, 10 Mar 2011 18:27:02 GMT

Today we are happy to announce the availability of the jQuery UI extension for WebSharper formlets. This brings a number of new formlet primitives to the standard WebSharper formlet library that are rendered using jQuery UI controls. These include tabs, sliders, drag and drop panels, orderable lists, among others. [...]

WebSharper 2 Professional RC1

Fri, 04 Mar 2011 05:15:16 GMT

The first release candidate for WebSharper 2 Professional is out today, with a few bug fixes and better support for 64-bit machines. [...]

More WebSharper talks in February

Thu, 24 Feb 2011 16:47:44 GMT

It's almost March, but don't rush time - there are still two upcoming WebSharper talks before the end of February: ...

Sencha Touch for WebSharper available

Tue, 22 Feb 2011 04:59:26 GMT

Mobile application developers can now enjoy, in addition to jQuery Mobile, the latest addition to the WebSharper Extensions Gallery - Sencha Touch.

WebSharper at Kiev ALT.NET

Sun, 20 Feb 2011 09:12:45 GMT

Creating a user sign-up form using WebSharper Formlets

Fri, 11 Feb 2011 02:06:33 GMT

In this post I'll highlight some of the features of WebSharper formlets by implementing a user sign-up form.

The Sad State of fshtmldoc – Can We Do Better?

Thu, 10 Feb 2011 08:28:47 GMT

An F# documentation generator based on Mono.Cecil can be much faster and more reliable than fshtmldoc. I have almost completed this tool which is coming up soon.

Home-made Regular Expressions in F#

Wed, 09 Feb 2011 02:53:10 GMT

F# fits nicely the task of implementing a regex engine. I give it a go with the Thompson NFA algorithm, as explained in a lucid article by Russ Cox.

New WebSharper extensions available

Sat, 05 Feb 2011 18:21:02 GMT

Today we are happy to announce that we released the first batch of WebSharper extensions to match WebSharper 2.1 Beta 5 - you can download them from the WebSharper downloads page. These are bringing the following libraries to F#: Google Maps, Google Visualization, jQuery UI, jQuery Mobile, Bing Maps, Modernizr, InfoVis, Protovis.

WebSharper 2.1 Beta 5 available

Thu, 03 Feb 2011 14:24:04 GMT

Today we are happy to announce WebSharper 2.1 Beta 5, with substantial new features and a major redesign of WebSharper sitelets, among others. Now with all major features in place and available, we are ramping up to ship the final WebSharper 2.x Professional in the coming weeks.

WebSharper Sitelets Continued: Developing a Blog Service

Fri, 28 Jan 2011 04:12:58 GMT

In this article we take WebSharper sitelets even further and develop a tiny engine for blogging, demonstrating the use of compositional routers and parameterized actions.

WebSharper sitelets: building a two-page website

Fri, 28 Jan 2011 02:36:03 GMT

WebSharper sitelets allow to construct websites as first-class F# values. In this article we build a simple, two-page website with sitelets.

WebSharper proposal for MIX 2011

Tue, 25 Jan 2011 15:50:50 GMT

MIX is probably the most well-known and one of, if not the most challenging conferences to present at. It usually features prominent community and Microsoft technology leaders and evangelists and aims to bring together web professionals from all around the world. [...]

WebSharper Beta 4 released

Wed, 05 Jan 2011 10:04:18 GMT

Happy new year folks, we just rolled out the WebSharper 2.0 Beta4 release - with an enhanced installer and better support for sitelet-based development with some significant performance improvements. The new installer also became smarter and for new users obtains a 90-day trial license automatically so you no longer have to manually activate.

Talk: Introducing WebSharper Sitelets

Tue, 21 Dec 2010 04:54:06 GMT

WebSharper sitelets provide the essential mechanism to encapsulate entire websites as F# values. In this talk, I will present how you can use sitelets to develop dynamic, template-based, markup-less web applications with WebSharper that seamlessly combine client and server-side functionality, and briefly discuss the tooling around this automation.

Visual Studio book with F# chapter

Mon, 20 Dec 2010 08:43:22 GMT

I am proud to announce the availability of the third F# book that I coauthored, Visual Studio 2010 and .NET 4 Six-in-One by Wrox.

WebSharper 2.0 Beta Bundle

Fri, 17 Dec 2010 18:04:08 GMT

It's never been easier to get started with WebSharper 2.0 - now with a single installer that contains six WebSharper project templates for Visual Studio, including integration with ASP.NET, MVC, and Sitelets. Go and grab your installer (renumbered as a bundle, current latest 2.0.21) at the WebSharper Downloads page.

WebSharper 2.0 Beta2 released

Wed, 15 Dec 2010 19:32:42 GMT

We just released a new WebSharper 2.0 Beta (2.0.63) and a matching WebSharper Manager (2.0.10) - please go to the WebSharper Download Page to grab the new binaries.

Generalizing formlets

Thu, 02 Dec 2010 05:14:56 GMT

This post highlights some of the new features of our redesigned formlet library.

WebSharper: integration with ASP.NET MVC

Sun, 28 Nov 2010 04:15:01 GMT

ASP.NET MVC framework is lightweight web framework with strong emphasis on loose coupling and testability of involved components. This post will be dedicated to the major subject: how to create WebSharper web application based on ASP.NET MVC so it can take the best from both counterparties.

Introducing WebSharper 2.0 at LWSUG

Fri, 26 Nov 2010 18:08:48 GMT

Earlier this week I gave a talk at the first London WebSharper User Group meetup about WebSharper 2.0 and some of its new features such as sitelets and the new Visual Studio templates. This was a longer, class-like talk with many technical points discussed - a great source of information for anyone interested in WebSharper.

WebSharper 2.0 Beta available

Fri, 26 Nov 2010 11:22:41 GMT

We are making excellent progress on releasing WebSharper 2.0 in the coming weeks, and have just put out the first beta version of WebSharper 2.0, ready for some public testing and community feedback. Here are the links:

WebSharper talk at Sinergija 2010

Mon, 15 Nov 2010 23:06:59 GMT

WebSharper talk at Sinergija 2010, Community Track.

Announcing the London WebSharper User Group

Wed, 03 Nov 2010 19:02:36 GMT

We are thrilled to announce the London WebSharper User Group - a forum for WebSharper professionals and enthusiasts based in London, UK to exchange ideas and experiences, and to serve as a major hub for furthering the interest in functional web programing. We sincerely hope that it will add significant value to our WebSharper user community.

WebScheme

Tue, 02 Nov 2010 17:11:06 GMT

Scheme is remarkable language; it combines syntactic simplicity and elegance with exceptional expressiveness and power. Implementations of Scheme exist in many languages, and though I’m not the first who used F# for this solving task (shame on me) I still can be the first man who have made it with WebSharper.

Introducing WIG Patterns

Fri, 22 Oct 2010 16:08:47 GMT

This post complements my previous post by introducing the Patterns module. WIG defines some helping functions for creating Enumerations and configuration objects. We will show how to use these and also how is possible to create your own.

Starting with WebSharper Interface Generator

Thu, 07 Oct 2010 17:36:37 GMT

This is a small walk-through about how to use the WebSharper Interface Generator. You'll learn: * Common operators for defining members and types. * Creating an Assembly and Namespace to populate it with types. * Calling the compiler to generate the code.

F# MVP Award - 2010

Wed, 06 Oct 2010 18:08:47 GMT

I am very excited about my recent Microsoft MVP 2010 award for my work in F#, and I would like to thank everyone who has recommended me for receiving this award. Foremost, I would like to thank ...

Solving Zebra Puzzle

Tue, 05 Oct 2010 23:18:51 GMT

Tutorial: Implementing a shopping cart with WebSharper

Thu, 30 Sep 2010 07:50:11 GMT

Last week I had a Community for F# talk on WebSharper where I presented a small WebSharper application to implement a client-based, persistent shopping cart, and I received numerous emails asking for the source code for that talk. So in this post I am going to show you the full source code and walk you through what I did to implement the shopping cart functionality. The code provided here should work on any existing 1.0.X installation, preferably on the latest 1.0.28 release.

CUFP 2010 - Call for Participation

Thu, 09 Sep 2010 06:35:54 GMT

Functional programming languages have been a hot topic of academic research for over 35 years, and have seen an ever larger practical impact in settings ranging from tech startups to financial firms to biomedical research labs. At the same time, a vigorous community of practically-minding functional programmers has come into existence. CUFP is designed to serve this community. The annual CUFP workshop is a place where people can see how others are using functional programming to solve real world problems; where practitioners meet and collaborate; where language designers and users can share ideas about the future of their favorite language; and where one can learn practical techniques and approaches for putting functional programming to work. CUFP 2010 will feature three hour Functional Programming tutorials given by language experts on the first day and Experience and Technical Talks on day two. Attendees may attend either or both days.

WebSharper available in Visual Studio Gallery

Fri, 06 Aug 2010 19:02:51 GMT

You can now install WebSharper through Visual Studio 2010's Extension Manager with a single click.

Expert F# 2.0 - what's new?

Thu, 05 Aug 2010 17:07:28 GMT

A short list of changes in Expert F# 2.0, and a bit of celebration...

Optimizing JavaScript with F#

Tue, 29 Jun 2010 19:22:13 GMT

These days WebSharper™ trenches are teeming with activity as we are busy preparing the next major release

ML 2010 Workshop - Final Call for Presentations

Fri, 25 Jun 2010 01:42:07 GMT

There is still time to submit your F# talk/presentation/report/demo proposal to ML 2010, co-located with ICFP in Baltimore, MD, USA!

Fun with dependent formlets

Fri, 18 Jun 2010 18:02:14 GMT

In this post I'm implementing a simple spread-sheet grid widget with dynamic summation of rows and columns, using dependent formlets.

More of Ext JS and WebSharper

Thu, 17 Jun 2010 20:08:59 GMT

Following up on the previous post on the upcoming WebSharper Ext JS (Native) extension with an example of how to construct a sortable tree widget and reacting to changes of the ordering of tree nodes.

Reactive programming with WebSharper

Thu, 17 Jun 2010 13:55:21 GMT

A small example highlighting F# (and WebSharper) support for asynchronous and reactive programming.

WebSharper™: Towards Automated JavaScript Bindings

Mon, 14 Jun 2010 13:59:52 GMT

Writing Ext JS applications with WebSharper

Fri, 11 Jun 2010 10:42:31 GMT

Some examples of how to use the upcoming WebSharper binding for Ext JS.

F# Training Courses in CA Announced

Tue, 08 Jun 2010 02:37:19 GMT

We are pleased to announce the availability of our standard training courses, now enhanced to follow the latest F# release, in California! The first in our three-part series, F# Programming I, is scheduled to start from July 6 in San Francisco and Los Angeles, with Part II and III following.

WebSharper 2010 Standard is available

Sat, 22 May 2010 04:00:29 GMT

This is an exciting time for the F# world. Monday, April 12, witnessed the launch of VisualStudio 2010 and the release of the official F#, 2.0. Great job, F# team! On our part, today we are pleased to announce the availability of WebSharper™ Platform 1.0.

F# Development and Sales Jobs in London, California, and Budapest

Mon, 08 Mar 2010 00:55:59 GMT

IntelliFactory is inviting applications for a range of F# positions - we are seeking F# developers, architects, interns, WebSharper developers, agile development/project managers, and seasoned sales/KAM professionals. To be considered, please send your resume and short introduction to hr [at] intellifactory.com.

Call for Presentations - CUFP 2010

Fri, 05 Mar 2010 19:16:36 GMT

Functional programming languages have been a hot topic of academic research for over 35 years, and are rapidly being adopted in diverse real-world settings ranging from from tech startups to financial and biomedical firms. A vigorous community of practically-minding functional programmers has come into existence, using them as tools to build reliable and fast systems. CUFP is designed to serve this community. The aim is for CUFP to be a place where people can see how others are using functional programming to solve real world problems; where practitioners meet and collaborate; where language designers and users can share ideas about the future of their favorite language; and where one can learn practical techniques and approaches for putting functional programming to work.

Call for Presentations - ML 2010

Fri, 05 Mar 2010 19:04:19 GMT

ML is a family of programming languages that includes dialects known as Standard ML, Objective Caml, and F#. The development of these languages has inspired a large amount of computer science research, both practical and theoretical. This workshop aims to provide a forum to encourage discussion and research on ML and related technology (higher-order, typed, or strict languages).

Data Visualization with Websharper

Mon, 25 Jan 2010 18:59:10 GMT

This post shows how to use the Google's visualization API to create astounding visualizations.

WebSharper 0.4.74

Mon, 25 Jan 2010 18:29:30 GMT

Default Constructors and the Singleton Pattern

Thu, 07 Jan 2010 14:33:14 GMT

Creating web forms using WebSharper Formlets

Wed, 30 Dec 2009 11:35:26 GMT

In this post I give a short introduction to the WebSharper formlet library.

WebSharper 0.4.62 is available - with dependent formlets-flowlets-third-party extensions-and more!

Wed, 23 Dec 2009 20:37:00 GMT

We are happy to announce the availability of WebSharper 0.4.62 - the latest version of the WebSharper Platform that aims to equip professional F# developers with the right platform to rapidly develop rich, scalable, client-based web applications. This is the first release candidate of WebSharper Platform 2010 - our commercial offering for client-based reactive web development with F#. In this release there are a number of new features, including: ...

Foldr or FoldBack on Infinite F# Sequences

Fri, 11 Dec 2009 17:05:39 GMT

Generic Workflow Builders (Monads) in F#

Thu, 10 Dec 2009 19:10:02 GMT

WGET in F#

Wed, 09 Dec 2009 10:20:27 GMT

WebSharper - Write F# and Run JavaScript

Tue, 08 Dec 2009 14:10:56 GMT

Rapid prototyping of DSLs in F# - Part III

Fri, 10 Jul 2009 01:31:40 GMT

The third part of "Rapid prototyping of DSLs in F#" presents the semantic checker for Simply, a small programming language with functions and expressions.

Rapid prototyping of DSLs in F# - Part II

Mon, 22 Jun 2009 04:50:06 GMT

The second part of "Rapid prototyping of DSLs in F#" presents the parser for Simply, a small programming language with functions and expressions.

Parsing with active patterns

Sat, 23 May 2009 12:39:45 GMT

Active patterns provide the perfect mechanism to implement recursive-descent parsers - allowing you to quickly prototype even complex grammars using a statically typed approach and without the need to resort to lexer and parser generators.

F# May 2009 CTP and VS 2010 Beta1

Fri, 22 May 2009 06:14:18 GMT

A few comments on the May 2009 CTP and the adoption of F#.

FP-BUD May Meetup

Wed, 20 May 2009 15:00:00 GMT

FP-BUD is the primary place for discussing functional programming in an easy-going, social setting.

Welcome to the IntelliFactory corporate blogs!

Wed, 20 May 2009 14:00:00 GMT

Welcome to the IntelliFactory corporate blogs!