News by Douglas Knudsen

Eclipse, FlexBuilder, Fast View, and perspectives…duh!

19 Sep 00:06
The other day a co-worker Andy Powell, no not this Andy Powell hehe, sent out a twit asking the question on what perspective do Flex developers use most, Development or Debug? Several folks answered Debug, but not I. Why? I like more space, enter Debug perspective only when needed. That and [...

What is SpatialKey?

7 Aug 09:37
First there was Flex: we were amazed, astounded, and large amounts of drool followed shortly over such beautiful UIs full of wonderful eye candy, drag and drop, the all-powerful examples of DataGrid, and of course the wondrous graphing components. Further we were introduced with new concepts like UX and Rich Experiences. These first [...

Lifehacker: AIR Apps You Should Check Out

20 Jun 23:55
Good to see that AIR ‘gets around’. Lifehacker recently listed out 10 apps you should check out.

Lists, ItemRenderers, and Styles….oh, and Garbage Collections

20 Jun 14:46
So, as I continue my trek in Flex Builder Profiler land I discovered a interesting one. Say you have a List used in some component and this List uses a custom itemRenderer and this fancy custom itemRenderer you cooked up uses a inline Style. You crank your application up and with that silly [...

BindingUtils.bindProperty use and Garbage Collection

12 Jun 13:35
I am currently working with a client doing performance profiling and adjustments for a medium sized application. After using the profiler in Flex Builder, a painful experience for me not having worked with such a animal, I found a area that was exhibiting a major memory leak. Well, maybe memory leak is not [...

Cairngorm and Flex Builder’s magical WSDL tool

2 May 23:43
So, I’m working with a client doing some development and mentoring. A piece of this is implementing the Cairngorm micro-architecture and mentoring duties surrounding this. The client’s developers made full use of the new WSDL import tool in Flex Builder 3 and are really sold on using it. Now, for those not [...

On using a invalidation approach in Flex

11 Apr 00:54
When creating custom components it is better to defer any processing in your mutators(read setters) to the validation phase(s) of the Flex framework. This can be beneficial for many reasons such as performance, timing, etc. Consider the possibility that x gets set before y but that x needs y when x is set [...

Universal Mind’s Cairngorm Extensions

10 Apr 06:04
We’ve let loose our extensions to the Cairngorm micro-architecture. Have a look and enjoy! http://code.google.com/p/flexcairngorm/ Jeffry Houser has invited Thomas Burleson to his show to discuss them.

Flex Drawing API excursions

25 Mar 00:17
Andrew Trice has a really nice sample and write up of using the Drawing API. The sample allows you to write your own code and try it out live. The sample comes with several code examples to choose from that you can also edit and try out live. Check it out over [...

Presenting on Flex Debugging tonight at AFFUG

20 Mar 07:00
Tonight I will be presenting on Flex Debugging at the Atlanta Flex and Flash User Group. I will be covering topics like using the debugger in Flex Builder, using a man-in-the-middle tool like Service Capture, using trace(), mx.logging, and more. Did you know Aptanta has a tail view? neat. If [...
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