Entries in the ‘tips’ Category:

Does an EventDispatcher have subscribed listeners ?

Lately I’ve been reading several discussions around the internals of EventListener, how easy is to create memory leaks, the dependencies between IEventListener and EventListener and onther fancy things. Robert Penner has lots of details around these topics in his 2 part articles:

Critique of as3 events part 1
Critique of as3 events part 2
My new as3 event [...]

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Logging and catching (async) exceptions during invalidation

Sometimes, due to many different reasons, there’re exceptions that happen during the invalidation/validation cycle of the flex SDK. Most times these exceptions end up being unveiled in the very core of the SDK, being not possible to catch them up because their async nature and the place where they happen.
The stacktrace of these exceptiosn, normally, [...]

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Code hinting filtering… a little gem

Flash Builder now includes the ability to filter code hints depending on whether the the hint is a property, an style, an event or an effect. Simply press ctrl+space to cycle through them all.

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