ExpressionFlow

Enhanced user experience with contextual error messages

Tomi Maila — Sun, 02 Nov 2008 11:15:48 +0000

How many times you have seen an error message window to pop-up in an application giving you a meaningless error message and all you can do is to press “Ok” or “Cancel” without any idea where the error message was related to. At best the error message gives you some hint what was wrong and [...]

Subversion hosting - a simple path to LabVIEW source code control

Tomi Maila — Wed, 17 Sep 2008 09:49:57 +0000

Have you been thinking of moving to subversion to manage your source code but don’t want to set up your own subversion server. Subversion has become a de facto standard among LabVIEW developers around the world as a source code control solution. Weather you are a lonely developer or leading a large group of developers, [...]

Objects and Classes

Tomi Maila — Mon, 07 Jul 2008 07:10:53 +0000

I’m very excited to announce a new ExpressionFlow Studio video series that will concentrate on LabVIEW software development. The first episode starts an ExpressionFlow Studio series introducing to LabVIEW object-oriented programming. The topic of the day is introducing the concepts of objects and classes. Download Drawing Tool example presented in the video

Extending LabVIEW-built applications with LVOOP plugins

Tomi Maila — Mon, 02 Jun 2008 08:27:29 +0000

There are numerous reasons why you would like to allow your LabVIEW application to be extended with plugins. First you may want to allow your customer or a third party to add some new functionality to your application. LVOOP plugins provide a way for you to allow third parties to extend your application. Second you [...]

Fighting Corruption: Using Source Code Control Systems (SCC) with LabVIEW Class Files

Omar Mussa — Fri, 16 May 2008 15:22:02 +0000

I started to write this article in June 2007 and a recent post on LAVA made me realize that it may still be of use National Instruments (NI) has provided LabVIEW developers native OOP support (LVOOP) since LabVIEW 8.2. Users of LVOOP can quickly build single inheritance ByValue object hierarchies that are very [...]

Tomi’s NIDays 2008 Presentation

Tomi Maila — Wed, 07 May 2008 00:01:26 +0000

I’m giving a presentation on LabVIEW Object-Oriented Programming at NIDays 2008 in Helsinki today. The presentation is titled Software Development with LabVIEW Object-Oriented Programming. The slides for the presentation as well as the presentation related example application can be downloaded below. Download NIDays 2008 Presentation Slides Drawing Tool 1.0 604.7 KB Learn more You must be logged in to download [...]

ExpressionFlow opens discussion forums in affiliation with LAVA

Tomi Maila — Tue, 18 Mar 2008 12:45:48 +0000

I’m very excited to announce, that to celebrate its first anniversary, ExpressionFlow opens discussion forums in affiliation with the world’s number one independent LabVIEW community LAVA (LabVIEW Advanced Virtual Architects). The new forums will provide ExpressionFlow readers a rich environment for lively discussions and a convenient channel for ExpressionFlow product related support requests. All our readers [...]

ExpressionFlow celebrates its first anniversary

Tomi Maila — Tue, 18 Mar 2008 11:56:17 +0000

Exactly one year has passed since my first post to ExpressionFlow on March 18th, 2007. The first year has been very exciting. My first initial intention was to found a blog as a channel to publish my LabVIEW and visual programming related concepts and ideas. I started by introductory posts on then recently released [...]

Active VI Toolkit public alpha - Erlang style message passing concurrency toolkit for LabVIEW

Tomi Maila — Fri, 29 Feb 2008 16:54:34 +0000

ExpressionFlow today announced a public alpha release of Active VI Toolkit, an Erlang style message passing library for development of concurrent LabVIEW applications. The toolkit provides easy-to-use LabVIEW language abstractions for writing concurrent applications based on message passing between parallelly executing VIs. ExpressionFlow Active VI Toolkit greatly simplifies the authoring of highly concurrenct LabVIEW [...]

Will Microsoft’s bid for Yahoo! have an affect on visual programming

Tomi Maila — Fri, 01 Feb 2008 22:53:36 +0000

Today’s big news is that Microsoft made a $44.6bn takeover bid for Yahoo! And I thought Yahoo! was so 90’s. If the deal goes ahead, will it have implications related the visual programming? We all know that NI is the leading developer of visual programming languages with its LabVIEW integrated programming language and development environment. [...]