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 TJ Downes on Flex RSLs

Amcom Technology's TJ Downes posted an in-depth article on RSLs, what they are, and tips to troubleshooting problems.

In this post we are going to examine the ins and outs of Runtime Shared Libraries. Runtime Shared Libraries (RSLs) are compiled libraries of code that allow you to cache functionality into the browser or Flash Player. One of the most common uses of RSLs are the Framework RSLs included in the Flex Framework, used to cache the Flex Framework. This can potentially speed load times. These Framework RSLs are the topic of today's post.

Read the full article...

 Flex 3 to Flex 4 migration tidbit: Enhanced Constraints

Flex 4 of course introduces the new line of Spark components that replace the Flex 3 based Halo ones - although you can use Halo and Spark containers/components together.

One interesting tidbit is that both Halo and Spark support the notion of constraints, which is an option you can use for visual layout, by being able to anchor visual components from the edges or center of containers. E.g.

<s:Button label="Hello!" bottom="5" right="5"/>

That above example would anchor the button to the bottom right, regardless if the user resizes the browser.

However, as far as I know there's no Spark container that supports enhanced constraints. You would still use the mx:Canvas Halo container. E.g.:

<mx:Canvas width="100%" height="100%">
<mx:ConstraintColumn id="col1" width="200"/>
<mx:ConstraintColumn id="col2" width="50" />
<s:Button label="Button 1" left="col1:0"/>
<s:Button label="Button 2" left="col2:0"/>

 Hello Swiz...

Well apparently I'm one of the only people around that really doesn't mind Cairngorm. In fact I'd say I quite like it. It has served me well for the last couple years, and when you add first class IOC like Prana you have a well documented, flexible, lightweight and battle tested MVC.


 Amcom's Tariq Ahmed begins work on Flex 3 In Action

SAN RAMON, January 14th -- Amcom Technology's Manager of Product Development is set to write Flex 3 In Action, a beginners guide for those who are serious about Flex and need to get ramped up to a proficient level in a short period of time. Adobe Flex In Action

Flex 3 In Action (FiA) is a book for programmers who come from traditional web technologies, and progressively takes them on a journey of understanding. Flex can easily be frustrating to newcomers who are used to the ease of their current language, so FiA takes an approach of leveraging your existing skills by using examples that you can relate to in your current tech vs how it's done in Flex. It gradually introduces topics on an as needed basis so that you only need to worry about learning one thing at a time. Plus various ways of doing the same thing are explained in depth so that you understand your options... and lastly, FiA makes learning Flex fun.

Amcom Technology is a member of the Amcom companies located in the San Francisco Bay Area (San Ramon). The company provides premium end-to-end technology services from Web 2.0/RIA software development, to network infrastructure and business intelligence.

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