If these students have no experience programming, you just can't start
with OOP. They have no foundation to understand the concepts. You have
to walk before you can run, and OOP is definitely runners territory.
Students with no programming experience are barely crawling. Arrays,
Strings,
Steven Sacks wrote:
I think you should consider teaching programming basics, focusing on
clean code, best practices, naming conventions, etc. and touch on OOP
towards the end. The people who are most interested will seek out more
information, but I think you will lose people if you try to
i think teaching someone OOP from the begining is not a bad idea, you are
still teching them to code but around classes. you do not need to introduce
more advanced concepts until later. the best free book i think is thinking
in java by bruce eckel and should be easily adaptable for your needs.
i
Thanks Ron, I think you've found my wavelength (as fluctuating as it
might be). I agree on that patterns would be awesome to teach, as
early as they can conceive what an object is.
The book Objects First by Kolling is my inspiration for doing this,
it's aimed at the right level. Take a game
On 8/20/07, Steven Sacks [EMAIL PROTECTED] wrote:
If these students have no experience programming, you just can't start
with OOP.
Sure you can. Just look at what Alan Kay did with kids and Squeak
(essentially Smalltalk). Here's a good talk by him, btw, much about
learning and
I didn't see this book listed among the many suggestions in this thread.
Object-Oriented Actionscript for Flash 8 by Peter Elst and Todd Yard
ISBN-10: 1590596196
I have found it to be quite useful, well-written, and a good review of OO
design principles.
Cyrelle Gerson
eLearning Developer
I think you should use composition in this case, not inheritance.
--
Pedro Taranto
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Brought to
Hi Hans,
'super' refers to the instance, but your static _test isn't part of
the instance, it is part of the class (technically, of the constructor
function). Imagine it as this.prototype.prototype, although it
technically isn't the same (well, maybe it is, I haven't tested it).
It behaves like
Hi Pedro,
the question is not about what is the best approach :), but about 'why the
heck isnt this working?'.
From a programming point of view my example is bad practice anyway
greetz
JC
On 8/20/07, Pedro Taranto [EMAIL PROTECTED] wrote:
I think you should use composition in this case, not
Hi Mark,
why is it static? Its declared as private var not as private static var?
(if i remove super it works fine btw and for different instances with
different values).
greetz
JC
On 8/20/07, Mark Winterhalder [EMAIL PROTECTED] wrote:
Hi Hans,
'super' refers to the instance, but your
Looks like you forgot to actually extend the superclass, try
class SubClass extends superclass {
- Benny
-Oorspronkelijk bericht-
Van: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Namens Hans Wichman
Verzonden: maandag 20 augustus 2007 13:51
Aan: Flashcoders mailing list
Onderwerp:
Hi Benny,
Sorry, copy paste error, of course the subclass looks like: subclass
extends superclass etc
:)
Still no go :)
greetz
JC
On 8/20/07, Benny [EMAIL PROTECTED] wrote:
Looks like you forgot to actually extend the superclass, try
class SubClass extends superclass {
- Benny
I have read these articles
http://www.adobe.com/devnet/flash/articles/video_player_03.html
downloaded sample files and placed files as directed. I have also installed
flash media server 2 trial. Play list is showing all videos. videoplayer
component is visible but no video is displayed in video
Mike Reilly wrote:
Thanks Ron, I think you've found my wavelength (as fluctuating as it
might be). I agree on that patterns would be awesome to teach, as
early as they can conceive what an object is.
The book Objects First by Kolling is my inspiration for doing this,
it's aimed at the right
Interesting thread. Please let me get back to work ! ;)
In line with Steve Sacks' message, I can recommend Steve McConnell's Code
Complete 2nd ed.
It deals with best practices in general, and is well written. (http://cc2e.com/)
However, pedagogically (not that I'm an expert), I think it's ok
According to the AS3 documentation:
A BitmapData object can be drawn to the screen by a Bitmap object in one
of two ways: by using the vector renderer as a fill-bitmap shape, or by
using a faster pixel-copying routine. The pixel-copying routine is
substantially faster than the vector renderer,
What is a subroutine? Not used in this millennium. Seems to be a
concept from the distant past.
Start with OOP. We did not get here by accident.
It is easier. It is less prone to errors. It makes your coding examples
much smaller and much easier to grasp.
Their code exists in a small
bassam mohaisen wrote:
Hi all
I'm trying to do e-tshirt design where the user can desgin his shirt and add
text or images so I need to know how can I save the design as image or swf for
the design how can I take screenshot , if somebody know the concept and the
code .
all the text and photos
On a second look: first you don't need the super statement because
SuperClass' _test is already inherited by the SubClass and second super is
only supported with method members, see LiveDocs:
http://livedocs.adobe.com/flash/9.0/main/wwhelp/wwhimpl/common/html/wwhelp.h
Hans Wichman wrote:
lets say i have a superclass:
class SuperClass {
private var _test:String = null;
}
and a subclass:
class SubClass {
private function _testFunction () {
super._test = foo;
trace (super._test);
}
}
this traces undefined.
If I remove the super.
Does anyone know where I can find a nice-looking charting component that
can not only draw a line graph, but *also* allow me to scroll left or
right ... In a perfect world this will download a dynamically generated
XML file that matches up with the position of the scroll bar.
I'm open to
They do claim that men never pass the emotional age of 12 and I have
with guys who were 5 with 30 years of experience.. So 4 and 14 are not
so far apart (on the male side at least).
T. Michael Keesey wrote:
On 8/19/07, Ron Wheeler [EMAIL PROTECTED] wrote:
Some of the Heads Up Design
Hello,
i've noticed that when a flash movie loads some external content
(images, texts, videos, etc), in the navigator the status text is
very often set to loading content from.. and stays like that
even when the content has been totally loaded.
The status never gets to Done.
Is there
Hi,
okay thanks that comes as closest to an explanation as I'd like I
guess, but.
If I declare a method test() in superclass, i can call it from the subclass
using super.test().
Whether I have overwritten it or not.
So why doesnt the same go for fields.
I think its a bug to be honest.
As
You should definitely read the docs, but here it is quick. You don't
need Apache or IIS - it's a standalone media server.
You make an application - say call it - myApp in the applications
folder. Then your flvs go into applications/myapp/streams/video/myFlv.flv
The URL will be:
As Benny said, you dont need to, no i know! But appearantly it works
different for fields than for methods.
It actually doesn't work *different* but it doesn't work *per design* for
fields.
The docs (see the link I provided) clearly state that it is only supported
with methods. There is no
I have added a lot of new links for general graphic design.
Some new links to programming books have been added as well.
Please check out the Links section and let me know of new links that
should be added.
I would like to hear from people who are using components that should
be included.
sorry i missed that part, thanks benny:)
On 8/20/07, Benny [EMAIL PROTECTED] wrote:
As Benny said, you dont need to, no i know! But appearantly it works
different for fields than for methods.
It actually doesn't work *different* but it doesn't work *per design* for
fields.
The docs (see
On 8/20/07, Hans Wichman [EMAIL PROTECTED] wrote:
Hi Mark,
why is it static?
Uhm... because I didn't read properly, sorry. :/
Its declared as private var not as private static var?
I could swear it read 'static var' when I first read the mail. Now you
made Gmail change it some how. :)
Hans Wichman wrote:
okay thanks that comes as closest to an explanation as I'd like I
guess, but.
If I declare a method test() in superclass, i can call it from the
subclass
using super.test().
Whether I have overwritten it or not.
So why doesnt the same go for fields.
I think
You can learn the basics while using OOP.
It is just easier. You can start with simple objects and still write a
complete piece of code that has a set of well-defined behaviours and can
be stuck into a test program without having to deal with the whole nasty
story at once.
I am not sure how
Just as a heads-up, when you BCC Flashcoders your messages will not be sent
to the list automatically.
Dave Watts, CTO, Fig Leaf Software
http://www.figleaf.com/
Fig Leaf Software provides the highest caliber vendor-authorized
instruction at our training centers in Washington DC, Atlanta,
Mutimedia authoring tools have been object oriented for a long time
because interactive multimedia requires a reasonable way to handle
user-driven events. So there is no way to avoid working with objects.
But what does it mean to start with OOP? or not start with OOP? I
have a lot of sympathy
Hans Wichman wrote:
Hi,
okay thanks that comes as closest to an explanation as I'd like I
guess, but.
If I declare a method test() in superclass, i can call it from the subclass
using super.test().
Whether I have overwritten it or not.
So why doesnt the same go for fields.
Think
At 11:43 PM -0700 8/19/07, Steven Sacks wrote:
If these students have no experience programming, you just can't start
with OOP. They have no foundation to understand the concepts. You have
to walk before you can run, and OOP is definitely runners territory.
Students with no programming
At 9:54 PM -0400 8/19/07, Mike Reilly wrote:
I think we're on the same path Roy. While I have some future coders,
this is Intro for 9th-11th grade kids, so my task is to teach but also
whet their appetite for more. My deeper desire is to do it as OO as
possible, to better prepare them for AP
In as3, variables (properties and methods) that are private are not visible
to subclasses, protected are accessible with this and super (as should be),
and public are accessible with this and super too (kind of obvious). as3
definitely rocks when it comes to variable scoping.
On 8/20/07, Mark
On 8/20/07, Dave Watts [EMAIL PROTECTED] wrote:
Just as a heads-up, when you BCC Flashcoders your messages will not be sent
to the list automatically.
Also, my filter won't catch it and it ends up in my inbox instead of
in FlashCoders.
Mark
___
This should get you started. They have a free and a licensed version. Pretty
slick!
http://www.maani.us/xml_charts/
Regards,
Mike
On 8/20/07, Mankowski, Chris [EMAIL PROTECTED] wrote:
Does anyone know where I can find a nice-looking charting component that
can not only draw a line graph, but
What is a subroutine? Not used in this millennium. Seems to be a
concept from the distant past.
Distant past? Subroutines are the foundation of DRY and OOP.
http://en.wikipedia.org/wiki/Subroutine
This is exactly what I mean by developers taking for granted what it
took to get them where
yep they should have copied that from java years ago :))
On 8/20/07, elibol [EMAIL PROTECTED] wrote:
In as3, variables (properties and methods) that are private are not
visible
to subclasses, protected are accessible with this and super (as should
be),
and public are accessible with this
well just to be clear, i wasnt planning on overriding _test :) the example
was bad enough practice in itself.
It was more about a readability issues, like some like to do this. etc for
every variable.
On 8/20/07, Ron Wheeler [EMAIL PROTECTED] wrote:
Hans Wichman wrote:
Hi,
okay thanks
Seems to perfect sense in as3...
On 8/20/07, Ron Wheeler [EMAIL PROTECTED] wrote:
Hans Wichman wrote:
Hi,
okay thanks that comes as closest to an explanation as I'd like I
guess, but.
If I declare a method test() in superclass, i can call it from the
subclass
using
make*...
On 8/20/07, elibol [EMAIL PROTECTED] wrote:
Seems to perfect sense in as3...
On 8/20/07, Ron Wheeler [EMAIL PROTECTED] wrote:
Hans Wichman wrote:
Hi,
okay thanks that comes as closest to an explanation as I'd like I
guess, but.
If I declare a method
I'm with Steven on this one. I, too, started way back in the days of
procedural programming (Turbo Pascal, anyone?) and all of that taught me to
understand the basic how's and why's of programming. I see a lot of new
developers today who take what they read verbatim and apply it only because
Check to make sure the windows firewall isn't blocking connections to
FMS. I had that problem when I first installed it on my machine.
-Andy
On 8/20/07, Jeff Harrington [EMAIL PROTECTED] wrote:
You should definitely read the docs, but here it is quick. You don't
need Apache or IIS - it's a
Steven Sacks wrote:
A subroutine is one of the foundational concepts of programming,
especially OOP
Right on, Steven. We call them functions or methods now. Subroutine is
simply an older name for a very current concept.
There are some advantages to having been a programmer since 1980.
Hans Wichman wrote:
yep they should have copied that [private and protected] from java years
ago :))
Or from C++ years before Java was born ^_^
Cordially,
Kerry Thompson
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To change your subscription options or
OOP might seem easy to understand to people who understand it, but how
can you expect anyone to think abstractly about concepts they don't even
understand at a concrete level? If this was a class of people who
understood basic programming but had no OOP experience, then I'd say
sure give it a
You can simplify it by saying A subroutine is a function that is called
by another function. But, how can you explain the concept of a
subroutine to somebody who doesn't even know what a function is?
While the term subroutine has fallen out of popular use, I know what
it is and what it means
For those who don't know, Real Player 11 (in beta right now) added a
feature that lets users download videos embedded in flash applications
(like youtube, google video, etc). It does this by adding an entry to
Flash's rightclick menu and by having a mini-toolbar appear at the top
left of the
I came at software from the electronics upwards, and maybe because of that I
sometimes don't see the woods for the trees. If these kids get to handle
objects in a more natural way without being concerned about what they are
made of they might get a better feel for OOP.
Also, in today's world it's
I started in the industry as a t.a. for a graduate course in
programming...the research as well as my own personal experience suggests
that younger people tend to learn the semantics and nuance of object
oriented programming much easier than older adults...with that said..AS1 or
even JavaScript
[p e r c e p t i c o n] wrote:
AS1 or even JavaScript for that matter actually provides a suitable
introduction to
OOP on some level
Oof. I agree with most of what you said except for AS1 being a suitable
introduction to OOP. I consider AS1's OOP model an abomination. You can
write OOP in AS1
Andy Herrman wrote:
For those who don't know, Real Player 11 (in beta right now) added a
feature that lets users download videos embedded in flash applications
(like youtube, google video, etc). It does this by adding an entry to
Flash's rightclick menu and by having a mini-toolbar appear at
hi Kerry,
i understand your point, but i found that when teach students how to use an
object and what's contained in an object first, then the more conceptual
ideas come easier...of course every class and every student is different...
p
On 8/20/07, Kerry Thompson [EMAIL PROTECTED] wrote:
[p e
http://www.debreuil.com/docs/ch01_Intro.htm
http://www.kirupa.com/developer/oop2/AS2OOPindex.htm
---
http://proto.layer51.com
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I think both sides of this debate have some valid points, although I'd
lean a lot more strongly toward the teach OOP later approach. But
it's still possible to create OOP code from the start in AS2 or AS3.
The fundamentals of programming are variables, expressions, control
structures, and
[p e r c e p t i c o n] wrote:
i understand your point, but i found that when teach students how to use
an
object and what's contained in an object first, then the more conceptual
ideas come easier
Ok, I'll buy that.
Not to be argumentative--just curious--how do you find the AS1 prototype
On Aug 20, 2007, at 2:58 PM, Andy Herrman wrote:
I haven't been
able to find any documentation about how they're detecting it. Anyone
played around with this yet? Are there any known methods to prevent
that toolbar from appearing?
This is hideously bad news. Adobe should fire up the legal
i guess it depends on where you begin...i think special attention has to be
paid to as1's ability to add variables and function dynamically because it's
at once very powerful and in the hands of someone looking to expand their
knowledge of programming and programming languages very misleading
[p e r c e p t i c o n] wrote:
i guess it depends on where you begin...i think special attention has to
be
paid to as1's ability to add variables and function dynamically
I agree with most everything you say, but that's where we'll have to agree
to disagree. I think the ability to add
I feel the same way. C gives you a feeling for the nitty-gritty of the
computer. I use C++ now, but I did a lot of C first (and Assembler before
that). Can you imagine writing a C library to display Chinese characters
on
English Windows 3.1? I would have died if it hadn't been for Paetzold.
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