Yes indeed!
You can usually find an alternative approach to solving the problem than
using the singleton pattern, but it is distinctly different to using static
methods.
Glad to hear it works the way it does in other languages at least.
Spike
On 10/29/05, A.Cicak <[EMAIL PROTECTED]> wrote:
>
>
I learned programming in Flash and I use this everyday, almost
everyline ;)
because scope has always been one of the thoughest thing in Flash :-)
* cedric thanks ryanm
In my opinion (and in the opinion of many much more competent
developers than myself), it is always good to be explicit abou
ut the html mail)
Scott
-Original Message-
From: [EMAIL PROTECTED] on behalf of A.Cicak
Sent: Fri 28/10/2005 6:32 PM
To: flashcoders@chattyfig.figleaf.com
Cc:
Subject: [Flashcoders] Re: Newbie AS3 question
Well, I dont agree,
ryanm wrote:
> You do know that it (this.) is being added for you at compile time in
AS2, right?
Who cares? All that means is that there is no semantic difference
between the two.
Not quite. What it means is that the "this" is assumed, which is not
always what you want.
You can force cl
Of course there exists edge cases where that isnt feasible, but most
programs dont implement DES algorithms (to relate this to an earlier post)
and a lot of legacy code i have worked with has benefitted from being
re-factored.
I actually do have classes with methods so large that I had to m
All that to say, if your going to be putting "this" in front of every
class
member in AS2 and in AS3 you'll be missing the neat advantage of
simplicity.
As it were, the classes I write are rarely self-referential. Properties
such as position, visibility, etc, are usually handled elsewhere o
; everywhere would ruin the fun of writing AS2 and AS3.
And yes there are cases in AS2 where your class method might need "this" in
front of all methods and members it uses; this is mostly the case if you're
redirecting methods to other classes with their prototype, thus returning to
ryanm wrote:
The idea is to use it (this) when you have two variables with the same
name, usually to distinguish between the class member and a locally
declared variable. You must know that :) The compiler won't know to
use "this" or not in those cases, so it is important to use it in those
con
> You do know that it (this.) is being added for you at compile time in
AS2, right?
Who cares? All that means is that there is no semantic difference between
the two.
Not quite. What it means is that the "this" is assumed, which is not
always what you want. And if you need the reference some
The idea is to use it (this) when you have two variables with the same
name, usually to distinguish between the class member and a locally
declared variable. You must know that :) The compiler won't know to
use "this" or not in those cases, so it is important to use it in those
contexts.
Actua
useful to
know exactly what you are accessing.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of zwetan
Sent: October 29, 2005 9:03 AM
To: 'Flashcoders mailing list'
Subject: RE: [Flashcoders] Re: Newbie AS3 question
> >>No need to get
those contexts.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Muzak
Sent: October 28, 2005 7:53 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] Re: Newbie AS3 question
You do know that it (this.) is being added for you at compile time in AS2
(-: Tatactic :-) wrote:
In the book of C.Moock, he recommends the redundant use of [this]
No he doesn't. He says "some people prefer" but he also clearly states
that it is not used anywhere in the book, because it makes code overly
verbose and hence, less readable. If you want to check, it's
nc, 2004, ISBN 0-596-00652-7"
Greetings
N
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of zwetan
Sent: samedi 29 octobre 2005 15:03
To: 'Flashcoders mailing list'
Subject: RE: [Flashcoders] Re: Newbie AS3 question
> >>No need to
zwetan wrote:
Who cares? All that means is that there is no semantic difference
between the two.
There is a difference for AS3 ! (and this is the correct behaviour)
http://livedocs.macromedia.com/labs/1/flex/langref/statements.html#this
"To call a function defined in a dynamic class, you must
TECTED]>
To:
Sent: Saturday, October 29, 2005 6:59 AM
Subject: [Flashcoders] Re: Newbie AS3 question
Problem with JasterXL's class is initialization. For example if you had to
initialize something in that class you should make static method called
InitCurrencyFormatter(). But when to call it?
> >>No need to get hyper about "this".
> >>The matter stays that "this" used to be essential in AS1, thus probably
> why
> >>people still like to implicate him in their code. But I agree that
> putting
> >>"this" in an AS2 Class should be used only when necessary.
> >
> > You do know that it (thi
Muzak wrote: [fixed top posting]
No need to get hyper about "this".
The matter stays that "this" used to be essential in AS1, thus probably why
people still like to implicate him in their code. But I agree that putting
"this" in an AS2 Class should be used only when necessary.
>
> You do know th
Problem with JasterXL's class is initialization. For example if you had to
initialize something in that class you should make static method called
InitCurrencyFormatter(). But when to call it? If other classes are using
CurrencyFormatter than you should ensure to call InitCurrencyFormatter()
be
yes, this is true in ActionScript
referencing or instantiating a singleton class via a static getInstance method,
is a different matter to all methods of a class being static
> > > The former is calling an instance method and the latter is calling a
> > > static
> > > method.
> > >
> > > Inst
You do know that it (this.) is being added for you at compile time in AS2,
right?
Muzak
- Original Message -
From: "Frédéric v. Bochmann" <[EMAIL PROTECTED]>
To: "'Flashcoders mailing list'"
Sent: Saturday, October 29, 2005 12:53 AM
Subject: RE: [
In a perfect world all methods would be short and succinct.
Unfortunately we don't live in a perfect world and it's sometimes more
confusing to split things up than to just leave longer methods. I've seen
plenty of code where 200 lines was the realistic minimum without creating
methods that had 15
If you come along maintain someone's code 6 months from now and you find a
complex method of 200 lines of so, it's useful to have the this prefix to
distinguish between variables that are local to the function and those that
are available to the instance.
true, but i would also immediately re-fa
ge-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of A.Cicak
Sent: October 28, 2005 6:33 PM
To: flashcoders@chattyfig.figleaf.com
Subject: [Flashcoders] Re: Newbie AS3 question
Well, I dont agree, "this" keyword refers to current class, so its only more
typing to include
Forgot to mention, the other common place you'll see it is in constructors
or anywhere else you find yourself with method arguments that match the name
of an instance variable.
public function Person(fname:String,lname:String) {
this.fame = fname;
this.lname = lname;
}
Is it good practice? Probab
Passing a reference to the current object is not the only place where using
the this prefix is useful.
If you come along maintain someone's code 6 months from now and you find a
complex method of 200 lines of so, it's useful to have the this prefix to
distinguish between variables that are local t
Well, I dont agree, "this" keyword refers to current class, so its only more
typing to include it, and making code less
readable. Only reason keyword "this" exists is if you want to pass reference
to current object somewhere, in which case
you must use "this". To me using "this" in your code make
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