're jumping through all these hoops in the first place.
Just curious... Thx. m.
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thObject:nil
afterDelay:0.4];
}
- (void) userDidTouchUp: (id) sender event: (UIEvent*) e {
double diff = [e timestamp] - downtime;
if (diff < 0.3) {
[[self class] cancelPreviousPerformRequestsWithTarget:self];
NSLog(@"respond to tap");
}
}
The numbers ar
performance *is* effectively using a timer. I tested on 3.1.2
and it seems to do exactly what the OP asked for. m.
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AppleScript
the
row and catch the click from *that*. m.
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__
out whether to swipe
> or allow the table to scroll, then pass the events back down to the table if
> the user intended to scroll vertically.
Well, of course I could be wrong, but to me this sounds like a reason to
override sendEvent:. m.
--
matt neuburg, phd = m...@tidbits.com, http://www.t
ndex:, and -removeObjectFromItemsAtIndex:,
then every change in the mutable array through the proxy replaces the whole
array. Is this true? Thx - m.
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AppleScript: the Definitiv
ctionaries are added to and removed from
the array (though, as mmalc shows, it can be done).
My question is, does anyone have a *simple* approach to this common problem?
(Assume I'm on iPhone OS where NSArrayController is absent.) What advice
should one give a newbie on this topic? Just curio
On Thu, 17 Jun 2010 14:51:04 -0700, Jerry Krinock said:
>
>On 2010 Jun 17, at 12:21, Matt Neuburg wrote:
>
>> My question is, does anyone have a *simple* approach to this common problem?
>
>Not necessarily any simpler, but another technique which may be better than
observin
t
> and operates on the array variable directly.
>
> That's not such a rare case.
In fact it is exactly the case I had in mind. :) That's really just what I
wanted to hear. Someone asked "how do you think the proxy object works";
that *is* how I was thinking it
On Jun 17, 2010, at 7:02 PM, Ken Thomases wrote:
> you could probably abstract it out into a custom class to facilitate array
> observing, if you really wanted it. Maybe somebody already has, for all I
> know.
Yeah, that's kind of what I was wondering. Or I guess you could "just" roll
your o
anks,
I believe your complete repertory of options is covered in my book
(supplemented by the addenda at my Web site). m.
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AppleScript: the Definitive Guide - Second Edition!
lots
of properties of other objects.
But how is the user supposed to know this? Or is the user who discovers this
supposed to ignore it?
m.
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A fool + a tool + an autorelease pool = cool!
AppleScript: the Definitive
guage. That is where most
users will enounter the "suggested format".
http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/Object
iveC/Articles/ocAllocInit.html
Unless that code changes, there is no meaningful sense in which any other
format is "suggested".
On Mon, 21 Jun 2010 19:40:27 -0400, Scott Anguish said:
>If it isn't documented as being KVO compliant it is best not to assume it is
guaranteed to be in the future.
>
>
>On Jun 21, 2010, at 1:28 PM, Matt Neuburg wrote:
>
>> But how is the user supposed to know this? Or
;.
(1) Since it's just ad hoc, who cares? Only beta testers will see it this
way.
(2) The docs do say something about iTunesArtwork, do they not?
m.
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A fool + a tool + an autorelease pool = cool!
AppleScript: the
until "it slides into view". It isn't
"offscreen" if it's being drawn into the scroll view's content.
Also, although I have not checked this, the ScrollViewSuite example might be
useful here.
m.
--
matt neuburg, phd = m...@tidbits.com, <http://www.tidbits.c
n the program is run in the iPhone simulator (v3.2, not using 4.0 yet), it
just dies.
These are irreproducible results. If you just copy and paste your code into
the applicationDidFinishLaunching method of a completely new project, it
works fine. So clearly something else is going on - something you
to such an array inside a block, I get a
compile error, "cannot access __block variable of array type inside block."
Who's mistaken, the compiler or the docs? Thx - m.
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pantes anthropoi tou eidenai oregontai phus
r[1];} str;
^(){ str.arr[0]=1;};
I would suggest the docs be a bit more forthcoming about this, unless it's
documented and I just didn't spot it. Thx all - m.
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Among the 200
bug against the docs for failing to
tell me about the syntax in the second example? m.
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Among the 2007 MacTech Top 25, http://tinyurl.com/2rh4pf
AppleScript: the Definitive Guide, 2n
list", skipping merrily past the return type and indeed apparently
telling you NOT to use one.
>I've filed asking for the documentation to treat the
block literal syntax in detail
Thanks a bunch for filing that. On an important technical matter like this,
the failure to just state
, all class objects have access to the
instance methods defined in the root class."
m.
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AppleScript: the Definitive G
On Thu, 1 Jul 2010 08:26:00 -0700, Rainer Standke said:
>Hello all,
>
>is it possible to determine if one object is observing another?
observationInfo doesn't do this?
m.
--
matt neuburg, phd = m...@tidbits.com, <http://www.tidbits.com/matt/>
A fool + a tool + an aut
/Desktop/S&S%20material/hidden/' to some like:
'MacHD/Users/rainer/Desktop/S&S material/hidden'.
The first one is not a path; it's a file URL. The second one is a path.
NSURL converts between them. m.
--
matt neuburg, phd = m...@tidbits.com, <http://www.tidbits.c
n now do Core Text (which lets you draw
text in multiple styles). UITextView and UITextField still display text is a
single font and size. m.
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A fool + a tool + an autorelease pool = cool!
AppleScript: the Definitive
defined".
How about passing an NSValue? Surely valueWithPoint: must be good for
something... :) m.
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A fool + a tool + an autorelease pool = cool!
AppleScript: the Definitive Guide - Second Edition!
http://ww
Phone instead. m.
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pantes anthropoi tou eidenai oregontai phusei
Among the 2007 MacTech Top 25, http://tinyurl.com/2rh4pf
AppleScript: the Definitive Guide, 2nd edition
http://www.tidbits.com/matt/default.html#applescriptthings
t as a list of suggested things to maybe think about; it
isn't a definitive list of bugs or anything like that. m.
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A fool + a tool + an autorelease pool = cool!
AppleScript: the Definitive Guide - Second Edition!
ht
right out
of Apple's own examples here.) I know how NSURLConnections work; the static
analyzer doesn't. But I would hardly call that a bug.
m.
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pantes anthropoi tou eidenai oregontai phusei
Among the 2007 MacTech Top
ginner might not realize that - and, as I say, my code is
copied and pasted right out of Apple's example; it's up to Apple to change
the example if it's dangerous...
http://developer.apple.com/iphone/library/documentation/Cocoa/Conceptual/URL
LoadingSystem/Tasks/UsingNSURLConnection.html
ne in an init. Set instance variables and that's all. And set them
directly; don't pass through a setter. Remember, the instance (self) is not
ready until you have *returned* from the init. m.
--
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A fool + a
presentMoviePlayerViewControllerAnimated:mpvc];
m.
--
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A fool + a tool + an autorelease pool = cool!
AppleScript: the Definitive Guide - Second Edition!
http://www.tidbits.com/matt/default.html#applescript
There's no warning if you do this:
NSArray* arr = [NSArray arrayWithObjects: @"howdy"];
GCC's parser is smart enough to know that the missing nil terminator is just
asking for trouble.
m.
--
matt neuburg, phd = m...@tidbits.com, <http://www.tidbits.com/matt/>
A fool
MainWindow nib
loading. It is a top-level nib object. So it should be autoreleased.
Yet the UIApplication object does NOT retain its delegate. So why doesn't
the app delegate vanish in a puff of smoke? Is the MainWindow nib subject to
different memory management rules?
Thx -
m.
--
m
rnings that remain in
the docs are outdated incorrect. m.
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AppleScript: the Definitive Guide - Second Edition!
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;t beat real printing if what you want is control over
what's printed. The machinery with which you are familiar gives you that
control. m.
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A fool + a tool + an autorelease pool = cool!
AppleScript: the Definitive Gu
pieces of the view
effectively print themselves. m.
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pantes anthropoi tou eidenai oregontai phusei
Among the 2007 MacTech Top 25, http://tinyurl.com/2rh4pf
AppleScript: the Definitive Guide, 2nd edition
http://www.tidbits.com/
"User touch interactions are disabled during the animation, by default [i.e.,
when using what you call the block style]. This is not the case with an
animation block [i.e. when using what you call the traditional way]. The
optionUIViewAnimationOptionAllowUserInteraction lets you reverse this sett
class]])
r = [r nextResponder];
m.
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A fool + a tool + an autorelease pool = cool!
Programming iOS 4!
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Cocoa-dev mailing lis
e the table view fill the
screen between the navigation bar and the tab bar (if either are present)."
However, use of a UITableViewController doesn't really net you any
functionality you can't implement yourself, so this should not be a big issue.
m.
--
matt neuburg
> Date: Mon, 15 Aug 2011 19:45:03 -0700
> From: Laurent Daudelin
> Subject: Problems with UIAlertView
> [loginAlertView addSubview:emailAddressTextField];
> [loginAlertView addSubview:passwordTextField];
> [loginAlertView addSubview:iPadNumberTextField];
Not that it necessaril
On Aug 15, 2011, at 9:49 PM, Laurent Daudelin wrote:
> On Aug 15, 2011, at 21:39, Matt Neuburg wrote:
>
>>>
>>> Date: Mon, 15 Aug 2011 19:45:03 -0700
>>> From: Laurent Daudelin
>>> Subject: Problems with UIAlertView
>>
>>
github, demonstrates
one approach. m.
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Programming iOS 4!
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Cocoa-dev mailing list (Co
w off-list if you'd like a copy). There's also a fun OOP explanation in my
Ruby intro, but it's rather tightly tied to Ruby:
http://www.apeth.com/rbappscript/02justenoughruby.html
m.
--
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you're not providing any specific information about what
you're doing. m.
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A fool + a tool + an autorelease pool = cool!
Programming iOS 4!
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ly, as I discovered the very first
(and, not coincidentally, the last) time I tried using it:
http://lists.apple.com/archives/applescript-implementors/2007/Nov/msg00034.html
But it isn't getting *this* Apple event wrong.
m.
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hen the corresponding methods do not work correctly. To add to the
>mystery, the documentation for -setSeparatesColumns: says its value "is
>ignored if -isTitled: does not return no." The double negative must have
>confused the author of that sentence, because the value of YES does
his repeated loading situation to use UINib
instead of NSBundle to load the nib:
UINib* theCellNib = [UINib nibWithNibName:@"ComplexTableViewCell" bundle:nil];
[theCellNib instantiateWithOwner:self options:nil];
m.
--
matt neuburg, phd = m...@tidbits.c
On Wed, 07 Sep 2011 14:12:26 -0700, Quincey Morris
said:
> There's something code-smelly about putting a view controller ... in a nib
> file at all.
I don't see why. On iOS this is so common that it is in fact built into many of
Apple's own included project templates
with menus. I've been doing this for years and nothing
bad has happened. m.
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Programming iOS 4!
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ake assumptions about "never"; the
window delegate can indeed be in the responder chain, but it might not be in
the responder chain you're talking about. :) m.
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A fool + a tool + an autoreleas
what does it do if the device does not have a
>gyroscope
If the device lacks a gyroscope, the question doesn't arise -
isDeviceMotionAvailable returns NO, device-motion services will be unavailable,
and you're back to dealing directly with the accelerometer and interpreting it
you
emory management behavior.
I don't remember whether there are similar memory management considerations on
OS X, but presumably not. m.
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Programming iOS 4
the same as the discussion we had here?
<http://www.cocoabuilder.com/archive/cocoa/304465-synthesised-properties-and-additional-actions.html>
If so, let's pretend I just repeat my answer. :) m.
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A fool + a too
p557p571automaticSearchPopover>
(But, as my book says, I find that second arrangement very unpleasant, because
you're not given access to the stuff you need access to, like the popover
controller.)
m.
--
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A fool +
can't hear you! :)
Sorry, you can't speak of iOS 5 (or Xcode 4.2) on this list until they are out
of golden master and into the public. You'd do better to ask this question on
Apple's discussion board (yecch, but that's the only legal venue)... m.
--
matt neuburg, phd =
;
see, for instance, this note:
http://www.cocoabuilder.com/archive/cocoa/298320-inherited-implicitly-created-member-is-no-member.html
m.
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Programming iOS 4!
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pleScript list.
m.
PS But the answer to your first question is obvious: a closed window doesn't
exist - you can't refer to it, so of course you can't change its size.
--
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A fool + a tool + an autorel
a really great idea - an idea so great, in fact, that I'm thinking
of stealing it... :) I can think of a *lot* of places in the book that would
benefit from this kind of visual summary. m.
--
matt neuburg, phd = m...@tidbits.com, <http://www.apeth.net/matt/>
A fool + a tool + an a
code, not in
the nib at all? How about giving the label, if created in the nib, a tag number
(how much trouble can that be, since you had to go into the nib in order to
make the label in the first place) so that no ivar is needed in order to find
it? I could probably go on and on... m.
what good this would accomplish,
but there's no harm in it.
However, it does seem to me that the real key to happiness for you is probably
using the numeric tags. :)
m.
--
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A fool +
doesn't really cut it.
So, maybe call this something like MyCGColorCreateWithCalibratedSpace (or
something - I'm not entirely clear on the purpose of the method).
m.
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A fool + a tool + an autorelease pool = c
On Oct 20, 2011, at 1:20 PM, Greg Parker wrote:
> On Oct 20, 2011, at 10:11 AM, Matt Neuburg wrote:
>> You know there's a rule that Create means a retained ref is returned
>
> There is no such rule in the Cocoa memory management conventions.
>
> http://devel
On Thu, 20 Oct 2011 15:39:54 -0400, Gabriel Roth said:
>if ( [theWindow isKindOfClass:[iTunes
>classForScriptingClass:@"iTunesBrowserWindow"]] )
I think iTunesBrowserWindow *is* the classForScriptingClass and that you want
to ask for classForScriptingClass:@"browser
;I think" I was just being polite. :)
Feel free to file a bug on the docs, which do not do a very good job of
explaining what the parameter needs to be here. m.
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A fool + a tool + an autorelease pool = cool!
Programming i
ame project in exactly the same Xcode; all I did was
switch destination between simulators.
m.
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pantes anthropoi tou eidenai oregontai phusei
Among the 2007 MacTech Top 25, http://tinyurl.com/2rh4pf
Programming iOS 4! http:
On Sun, 30 Oct 2011 08:46:02 -0700, Kyle Sluder said:
>On Oct 30, 2011, at 8:15 AM, Matt Neuburg wrote:
>
>> And this is legal:
>>
>>id ref = (id)[[UIImage imageNamed:@"boat.gif"] CGImage];
>>self.view.layer.contents = ref;
>
>It's my
On Mon, 24 Oct 2011 16:01:30 -0700, Ben Kennedy said:
>On 24 Oct 2011, at 3:53 pm, Matt Neuburg wrote:
>
>> That's all! Dude, where's my reason? And without a printing of the reason,
>> what's the good of the assert? (And hey, I wouldn't mind
On Mon, 24 Oct 2011 16:01:30 -0700, Ben Kennedy said:
>On 24 Oct 2011, at 3:53 pm, Matt Neuburg wrote:
>
>> That's all! Dude, where's my reason? And without a printing of the reason,
>> what's the good of the assert? (And hey, I wouldn't mind
On Sun, 30 Oct 2011 09:45:25 -0700, Matt Neuburg said:
>On Mon, 24 Oct 2011 16:01:30 -0700, Ben Kennedy said:
>>On 24 Oct 2011, at 3:53 pm, Matt Neuburg wrote:
>>
>>> That's all! Dude, where's my reason? And without a printing of the reason,
>>>
On Sun, 30 Oct 2011 15:55:39 +, Igor Mozolevsky
said:
>On 30 October 2011 15:15, Matt Neuburg wrote:
>> In ARC, this is legal:
>>
>> self.view.layer.contents = (id)[[UIImage imageNamed:@"boat.gif"] CGImage];
>>
>> And this is legal:
>>
On Nov 1, 2011, at 5:25 PM, Kyle Sluder wrote:
> On Nov 1, 2011, at 7:38 PM, Matt Neuburg wrote:
>
>>
>> Sorry to keep harping on this, but this is a serious bug. As Ben Kennedy
>> says, it isn't just NSAssert. iOS often throws a fatal exception with an
>>
ective-c
>
Yes, that's the part that isn't appearing on Snow Leopard. It *still* isn't as
good as it used to be; on Xcode 4.0, instead of hex addresses, I got an actual
call stack in English. m.
--
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pantes anthropoi to
e?
No. I was not saying anything about validity of anything. I was asking about
the specific cases I'm asking about. You're the one who keeps elevating it to
some sort of global warfare. Rather unhelpfully, I might add. m.
--
matt neuburg, phd = m...@tidbits.com, http://www.apeth
On Nov 2, 2011, at 9:55 AM, Ben Kennedy wrote:
> On 02 Nov 2011, at 8:22 am, Matt Neuburg wrote:
>
>> On Nov 2, 2011, at 3:39 AM, Kyle Sluder wrote:
>>
>>> I have to ask why you're printing $eax
>>
>> You tell me. I'm doing it because Ben Ken
w controller. So go
nuts. Roll your own variant on a split view controller, and now none of Apple's
rules apply to you. m.
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A fool + a tool + an autorelease pool = c
y, there's nothing wrong with some or all of your segues
turning out to be custom segues where you end up writing just as much code as
before - perhaps more - but in different places.
m.
--
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A fool + a tool + an autorel
ng to disrupt that.
I recommend you show a menu item instead, which the user can tap to show the
list. Or some other alternate interface. *Use* the framework (by letting the
framework use you) - don't fight it. m.
--
matt neuburg, phd = m...@tidbits.com, <http://www.apeth.net/matt/>
A
On Tue, 08 Nov 2011 21:59:59 +0530, Sasikumar JP said:
>Is it possible to set the iPad minimum deployment target as iOS 5 and iPhone
>deployment target as ios 4.2
I don't think so. Most apps that I'm familiar with, if they have issues like
this, simply have two different a
does what the documentation says it's supposed to do, for the first
time ever.) m.
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A fool + a tool + an autorelease pool = cool!
Programming iOS 4!
http://www.apeth.net/matt/default.html#iosbook
le, as Apple's own apps show
(like Mobile Safari). But it eliminates the delay from the user's point of view.
This is all *very* well covered in my book, by the way.
m.
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A fool + a tool + an autorelease pool
doesn't pop back down.
It's non-deterministic programming! Trust me, you will wear out your mouse hand
just dealing with the fact that there's no universal console window any more. m.
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A fool + a tool
On Nov 10, 2011, at 9:13 AM, Kyle Sluder wrote:
> On Thu, Nov 10, 2011 at 8:44 AM, Richard Somers
> wrote:
>> I think they will eventually get it right. No way am I going back to Xcode 3.
>
> Xcode brought with it some massive improvements (workspaces with
> multiple projects!) at some serious
On Thu, 10 Nov 2011 07:43:01 -0800, Matt Neuburg said:
>On Tue, 08 Nov 2011 21:59:59 +0530, Sasikumar JP said:
>>Is it possible to set the iPad minimum deployment target as iOS 5 and iPhone
>>deployment target as ios 4.2
>
>I don't think so. Most apps that I'm fam
utput);
NSDate* date = [dateFormatter dateFromString: output];
NSLog(@"%@", date);
It can on my machine (PST). If it can't on your machine, that sounds like a bug.
Also, do try -[dateFormatter getObjectValue:forString:errorDescription:]; It is
definitely throwing a
On Thu, 10 Nov 2011 07:48:56 -0800, Matt Neuburg said:
>On Tue, 08 Nov 2011 12:05:55 -0500, David Hoerl said:
>>when I set "contentInset" that contentOffset was getting set to
>>0,0.
>>
>>Is this known behavior (or desired behavior?)
>
>Don't beat
ing the
framework. This means that your approach is fragile and highly
implementation-dependent. I would suggest that you should go with things that
are documented. m.
--
matt neuburg, phd = m...@tidbits.com, <http://www.apeth.net/matt/>
A fool + a tool + an autorelease pool = cool!
Pr
>
>It can on my machine (PST). If it can't on your machine, that sounds like a
>bug.
>
>Also, do try -[dateFormatter getObjectValue:forString:errorDescription:]; It
>is definitely throwing an error (not very helpful, "The operation couldn't be
&
present an alert sheet
> }
> else
> {
> // onCancel is also the callback from the 'cancel'
> button and dismissed this modally presented viewcontroller
> [ self onCancel:nil ]; // <-- ARC not t
ut once in a while I need it to show up in the debugger
or to be available in a subclass, and then I must declare it explicitly. m.
--
matt neuburg, phd = m...@tidbits.com, <http://www.apeth.net/matt/>
A fool + a tool + an autorelease pool = cool!
Programming
ations that the system itself gives you:
NSDictionary* d = (NSDictionary*)CFTimeZoneCopyAbbreviationDictionary();
for (NSString* aZone in d.keyEnumerator)
NSLog(@"%@ %@", aZone, [dateFormatter dateFromString:
[NSString stringWithFormat:@"2011-11
On Thu, 17 Nov 2011 12:40:32 +1100, Graham Cox said:
>
>So which were you, Kon or Bal?
>
>(Those of use with extremely long memories might get the reference ;-)
I get the reference, and I resent the implication! :) m.
--
matt neuburg, phd = m...@tidbits.com, <http://www.apeth.ne
iew" outlet - have "fixed" autoresizing masks, and while I can set or
>unset the four outter attachments, I cannot set the inner two lines.
The rule is that when you create a View nib, the view is not resizable, because
it is assumed to be a root view. If that isn't what you want, delet
d could be executed in the operation queue we're using to load the
>data.
And not just in the operation queue itself. You are probably communicating back
from the operation to some controller, to let it know when the operation is
completed. That communic
On Sun, 20 Nov 2011 23:54:45 -0800, Peter Edberg said:
>
>On Nov 17, 2011, at 10:14 AM, Matt Neuburg wrote:
>
>> On Wed, 16 Nov 2011 14:43:55 -0800, Peter Edberg said:
>>> ...
>>>
>>> The issue is this: With the *short* timezone formats as specified by
e of a view controller on iOS, I usually register in viewDidAppear
and unregister in viewWillDisappear. But you still have to use one of these
solutions to make sure the observer isn't also retained by self, or you'll leak.
--
matt neuburg, phd = m...@tidbits.com,
a happy camper. I'm not saying it isn't possible, I'm not saying you
shouldn't do it, I'm just saying. :) m.
--
matt neuburg, phd = m...@tidbits.com, <http://www.apeth.net/matt/>
A fool + a tool + an autorelease pool
On Sun, 11 Dec 2011 12:34:57 -0600, Charles Srstka
said:
>On Dec 11, 2011, at 10:58 AM, Matt Neuburg wrote:
>
>> There seems to be a small hole in my understanding of Objective-C. I sort of
>> understand why alloc-init returns an id, but why do so many class method
>> c
e values. The documentation is about as coy and
opaque as it gets (and that's pretty darned coy and opaque). My policy is to
disbelieve everything everybody says on this topic and supply the same value
for both fields and pray we get past the Guardians. m.
--
matt neuburg, phd = m...@ti
efore launching the new version. m.
PS I've also quite often seen it happen that I'll update my code for an iOS app
I'm developing and run it and an older version of the app will run, but this is
for a different reason, I think.
--
matt neuburg, phd = m...@tidbits.com, <htt
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