URL is not a function. The reason why it's very often used with parentheses is
because of evaluation ordering being unhelpful. There used to be a little popup
in the old 1.1.1 documentation that explained operator order, and included
containers and keywords.
Consider these two statement:
put
On 4 Mar 2013, at 05:01, Mark Wieder mwie...@ahsoftware.net wrote:
It makes much more
sense to ignore the misleading documentation and think of it as a
function.
put url(file:xyz)
But does that make sense for the following:
delete url whatever
put x into url whatever
post x to url
Dave-
Monday, March 4, 2013, 6:21:06 AM, you wrote:
It's hard to think of it as a function in these cases.
I'm starting to see why it's classed as a keyword.
--
-Mark Wieder
mwie...@ahsoftware.net
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On 04.03.2013 at 14:21 Uhr + Dave Cragg apparently wrote:
But does that make sense for the following:
delete url whatever
put x into url whatever
post x to url whatever
It's hard to think of it as a function in these cases.
Dave
Unless you think of it as a pointer to a container.
I'm longing for the day when Google hangouts include the ability to share
Scotch!
On Sun, Mar 3, 2013 at 7:23 PM, Mark Wieder mwie...@ahsoftware.net wrote:
but that could be because I've
been working on a bottle of Laphroaig
Pete
lcSQL Software http://www.lcsql.com
On 4 Mar 2013, at 16:08, Robert Brenstein r...@robelko.com wrote:
On 04.03.2013 at 14:21 Uhr + Dave Cragg apparently wrote:
But does that make sense for the following:
delete url whatever
put x into url whatever
post x to url whatever
It's hard to think of it as a function in these
Peter Haworth wrote:
Richard,
I think your explanation of how arrays stored in cprops are translated back
and forth between internal and external storage explains the the
performance differences in Mark's tests.
I am curious though about your comment on storing multi-dimensional arrays
in
On 05/03/2013, at 7:47 AM, Richard Gaskin wrote:
If you want to store an array as the value of a custom property, I believe
that the array is stored in the same format you'd get if you ran the array
through arrayEncode.
This hasn't been confirmed by RunRev, or even rigorously tested
Monte Goulding wrote:
On 05/03/2013, at 7:47 AM, Richard Gaskin wrote:
If you want to store an array as the value of a custom property, I believe that
the array is stored in the same format you'd get if you ran the array through
arrayEncode.
This hasn't been confirmed by RunRev, or even
On 05/03/2013, at 9:49 AM, Richard Gaskin wrote:
Mark's notes there describe a future challenge for the parser, but don't
address the current storage format of arrays in custom props.
Try this:
Set the value of a custom property to an array, and save that stack.
Write out a binfile
Monte Goulding wrote:
I agree it makes total sense to use the same format when
reading/writing to disk. As all the data is loaded into memory anyway
I wonder how much extra time it would take to turn it into a pointer
that was just as fast to access as a regular array perhaps that
could
On 05/03/2013, at 10:56 AM, Richard Gaskin wrote:
I agree it makes total sense to use the same format when
reading/writing to disk. As all the data is loaded into memory anyway
I wonder how much extra time it would take to turn it into a pointer
that was just as fast to access as a
Monte Goulding wrote:
Hmm... I think your test methods might need to include loading the
stackfile into memory otherwise you are comparing data in memory
with reading data from disk...
Since it's not possible to access any part of a stack without loading it
into memory, I've only tested on
Monte-
Monday, March 4, 2013, 4:36:43 PM, you wrote:
encode array as JSON | XML | btree |
Where's that like button?
--
-Mark Wieder
mwie...@ahsoftware.net
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On 05/03/2013, at 11:40 AM, Richard Gaskin wrote:
encode array as JSON | XML | btree |
Gets my vote.
Will you be writing that this week? :)
Er... no, I'm busy until the refactoring is done...
--
M E R Goulding
Software development services
Bespoke application development for
get the customKeys[myCustomPropertySetName] of myObject
Jacqueline Gay asked:
If I store an array as a custom property, is there a way to get its
keys
without putting the whole thing into a variable first?
David Epstein
___
use-livecode
On 3/3/13 12:37 AM, Peter Haworth wrote:
Hi Jacque,
I just tried:
get the keys of (the uArray of button xyz)
... and got the keys of uArray.
Cool. Thanks. I'd been through all the permutations that Craig posted,
and I also had tried parentheses, but those were included in a nested
Jacque-
Sunday, March 3, 2013, 10:24:35 AM, you wrote:
On 3/3/13 12:37 AM, Peter Haworth wrote:
Hi Jacque,
I just tried:
get the keys of (the uArray of button xyz)
... and got the keys of uArray.
Cool. Thanks. I'd been through all the permutations that Craig posted,
and I also had
On 3/3/13 1:02 PM, Mark Wieder wrote:
Is your goal to save the time/resources of putting the array into a
variable and then extracting the keys, or is it to save a couple of
extra lines of code? Are you sure that the engine doesn't make a copy
of the array under the hood and then extract the
Jacque-
Sunday, March 3, 2013, 11:20:38 AM, you wrote:
Assuming speed isn't an issue either way, any idea which would be more
memory-efficient?
No idea. We'd have to know how and when the engine handles garbage
collection. If you see significant speed differences in the different
methods,
On 3/3/13 1:44 PM, Mark Wieder wrote:
Jacque-
Sunday, March 3, 2013, 11:20:38 AM, you wrote:
Assuming speed isn't an issue either way, any idea which would be more
memory-efficient?
No idea. We'd have to know how and when the engine handles garbage
collection. If you see significant speed
Mark, Jacque.
I am a big fan of forced evaluation.
So why doesn't:
do get the keys of the testArray of me
or
do get the keys of the testArray of me
work?
Craig
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Please visit
Craig-
Sunday, March 3, 2013, 4:25:29 PM, you wrote:
do get the keys of the testArray of me
What's me?
--
-Mark Wieder
mwie...@ahsoftware.net
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, just because.
Craig
-Original Message-
From: Mark Wieder mwie...@ahsoftware.net
To: How to use LiveCode use-livecode@lists.runrev.com
Sent: Sun, Mar 3, 2013 8:41 pm
Subject: Re: Keys of a custom property array
Craig-
Sunday, March 3, 2013, 4:25:29 PM, you wrote:
do get the keys
On 3/3/13 6:25 PM, dunb...@aol.com wrote:
I am a big fan of forced evaluation.
So why doesn't:
do get the keys of the testArray of me
or
do get the keys of the testArray of me
work?
It works if you add the parentheses:
do get the keys of (the testArray of me)
But it's weird. The
On 3/3/13 8:08 PM, dunb...@aol.com wrote:
Jacque. It just occurred to me that placing the custom property
identifier in parentheses does not force an evaluation, it just helps
the parser, well, parse.
I remember when I had trouble getting URL content and was told it had to
be in parentheses
Jacque-
Sunday, March 3, 2013, 6:30:38 PM, you wrote:
On 3/3/13 8:08 PM, dunb...@aol.com wrote:
Jacque. It just occurred to me that placing the custom property
identifier in parentheses does not force an evaluation, it just helps
the parser, well, parse.
I remember when I had trouble
On 04/03/2013, at 1:44 PM, Mark Wieder wrote:
Actually, that needs to be in parentheses because url is a function.
As in
put url(file:it) into tDataStream
If you're in the right folder you can:
put url file:index.html into tHTML
--
M E R Goulding
Software development services
Bespoke
I've run into other circumstances where using parens makes an expression
yield the correct results. I can't think of them off the top of my head
but the resukt has been that I probably use an overabundance of parens in
my code so I don't have to worry about things working correctly. That's
how I
Monte-
Sunday, March 3, 2013, 7:08:10 PM, you wrote:
On 04/03/2013, at 1:44 PM, Mark Wieder wrote:
Actually, that needs to be in parentheses because url is a function.
As in
put url(file:it) into tDataStream
If you're in the right folder you can:
put url file:index.html into tHTML
It seems there are two types of arrays storable in LC props, what I like
to call Natural and Unnatural:
Natural arrays are one-dimensional, and fit into the traditional view
of custom props as having one or more property sets, each of which is
comprised of properties, each of which has a key
On 04/03/2013, at 2:21 PM, Mark Wieder wrote:
If you're in the right folder you can:
put url file:index.html into tHTML
Yes, but that's one of those cases where LC helps you along even
though you're doing wrong.
I don't think so... It's documented as a keyword not a function.
--
M E R
Monte Goulding wrote:
It's documented as a keyword not a function.
Keyword is the Miscellaneous of programming languages, the box
things wind up in when they don't fit into a language's equivalent of
The Seven Parts of Speech. ;)
--
Richard Gaskin
Fourth World Systems
Software Design
Monte-
Sunday, March 3, 2013, 7:37:10 PM, you wrote:
On 04/03/2013, at 2:21 PM, Mark Wieder wrote:
If you're in the right folder you can:
put url file:index.html into tHTML
Yes, but that's one of those cases where LC helps you along even
though you're doing wrong.
I don't think so...
Richard,
I think your explanation of how arrays stored in cprops are translated back
and forth between internal and external storage explains the the
performance differences in Mark's tests.
I am curious though about your comment on storing multi-dimensional arrays
in cProps. Are you saying it's
On 04/03/2013, at 2:36 PM, Richard Gaskin wrote:
It's documented as a keyword not a function.
Keyword is the Miscellaneous of programming languages, the box things
wind up in when they don't fit into a language's equivalent of The Seven
Parts of Speech. ;)
Isn't it an adjective
Monte-
Sunday, March 3, 2013, 8:47:42 PM, you wrote:
On 04/03/2013, at 2:36 PM, Richard Gaskin wrote:
It's documented as a keyword not a function.
Keyword is the Miscellaneous of programming languages, the
box things wind up in when they don't fit into a language's
equivalent of The
On 04/03/2013, at 2:55 PM, Mark Wieder wrote:
I don't think so... It's documented as a keyword not a function.
OK. That stopped me in my tracks. In that case, the syntax is weirder
than I previously thought. It *should* IMO be documented as a
function, but I see all the way back to the 2.0
Pete-
Sunday, March 3, 2013, 7:56:53 PM, you wrote:
Richard,
I think your explanation of how arrays stored in cprops are translated back
and forth between internal and external storage explains the the
performance differences in Mark's tests.
Jacque's tests actually, not mine. I just
On 04/03/2013, at 4:01 PM, Mark Wieder wrote:
Hmmm... no.
If we're not going to treat url as a function, then in the statement
put url file:xyz
url is a container, as in
put the contents of the url whose reference is file:xyz
and in that case, file:xyz is the qualifier of url.
On 3/3/13 9:37 PM, Monte Goulding wrote:
On 04/03/2013, at 2:21 PM, Mark Wieder wrote:
If you're in the right folder you can:
put url file:index.html into tHTML
Yes, but that's one of those cases where LC helps you along even
though you're doing wrong.
I don't think so... It's documented
If I store an array as a custom property, is there a way to get its keys
without putting the whole thing into a variable first?
--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software | http://www.hyperactivesw.com
Jacque-
Saturday, March 2, 2013, 10:06:01 PM, you wrote:
If I store an array as a custom property, is there a way to get its keys
without putting the whole thing into a variable first?
Sure, but it's roundabout and I can't guarantee that the engine
doesn't end up doing that anyway.
set the
use-livecode@lists.runrev.com
Sent: Sun, Mar 3, 2013 1:06 am
Subject: Keys of a custom property array
If I store an array as a custom property, is there a way to get its keys
without putting the whole thing into a variable first?
--
Jacqueline Landman Gay | jac...@hyperactivesw.com
On 3/3/13 12:26 AM, Mark Wieder wrote:
Jacque-
Saturday, March 2, 2013, 10:06:01 PM, you wrote:
If I store an array as a custom property, is there a way to get its keys
without putting the whole thing into a variable first?
Sure, but it's roundabout and I can't guarantee that the engine
Hi Jacque,
I just tried:
get the keys of (the uArray of button xyz)
... and got the keys of uArray.
Pete
lcSQL Software http://www.lcsql.com
On Sat, Mar 2, 2013 at 8:06 PM, J. Landman Gay jac...@hyperactivesw.comwrote:
If I store an array as a custom property, is there a way to get its keys
helping the parser do its thing comes to nought
here. Each seems perfectly and unambiguously formed...
Craig
-Original Message-
From: Peter Haworth p...@lcsql.com
To: How to use LiveCode use-livecode@lists.runrev.com
Sent: Sun, Mar 3, 2013 1:38 am
Subject: Re: Keys of a custom property array
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