On Mar 19, 2010, at 1:36 PM, Charles Srstka wrote:
> On Mar 19, 2010, at 11:04 AM, Jens Alfke wrote:
>
>> On Mar 19, 2010, at 5:17 AM, Don Quixote de la Mancha wrote:
>>
>>> How long do you need to prevent its removal? Just holding the file
>>> open should prevent it from being deleted.
>>
>>
When moving a slider in a preference panel I sometimes get an error.
2010-03-19 01:46:49.860 MyApp[4249:10b] Error setting value for key
path values.ABRadius of object 0x169c00>[applies immediately: YES] (from bound object 0x6707de0> with object ID 59 in Nib named ABPreferencePanel.nib):
[ va
So I found out... :) After spending some time trying to figure out
how to (1) obtain the application's documents folder, and (2) use
NSFileNamaner to copy the read-only version into said documents folder.
On Mar 19, 2010, at 11:01 AM, Jens Alfke wrote:
On Mar 18, 2010, at 8:55 PM, William
After a bit of poking about, I managed to solve #1.
On Mar 18, 2010, at 10:59 PM, Dave Carrigan wrote:
On Mar 18, 2010, at 8:55 PM, William Squires wrote:
1) How does one save an XML back into its file? I've got a project
that loads an xml file via a UITableView's delegate methods - that
Thanks! Now, is it possible to make a UIButton look like a
UITextField whose caption is underlined (to look like a link)?
On Mar 18, 2010, at 11:00 PM, Dave Carrigan wrote:
On Mar 18, 2010, at 8:55 PM, William Squires wrote:
3) How do I get a UITextField that displays a telephone number to
You can also consider creating a singleton class that wraps the worker thread
so that you don't always bear the cost of creating the thread just to do some
work. This singleon class does need to be thread safe.
Once that's been done provide a way to set the data that needs to be shared and
the
On Mar 19, 2010, at 2:31 PM, Philippe Sismondi wrote:
Right - that's exactly my question - I don't know that I have to do
this while loop. Is starting the thread after the window pops up
enough? Is there anything about *not* waiting for NSApplication to
set this window as its modal window
On 2010 Mar 19, at 12:28, Eric Schlegel wrote:
> It looks to me that some other process on your system is using the
> Accessibility API to inspect your menu structure. That's the
> "_XCopyAttributeValue" and subsequent callstack in your first sampler output.
>
> Do you have Accessibility enabl
On 2010-03-19, at 4:56 PM, Jens Alfke wrote:
>
> On Mar 19, 2010, at 9:30 AM, Philippe Sismondi wrote:
>
>> while (![NSApp modalWindow]) // probably not thread-safe, but harmless??
>> NSLog(@"polling for modalWindow");
>
> That's a bad idea, I think. You're making an assumption about
On Mar 19, 2010, at 9:30 AM, Philippe Sismondi wrote:
while (![NSApp modalWindow]) // probably not thread-safe, but
harmless??
NSLog(@"polling for modalWindow");
That's a bad idea, I think. You're making an assumption about
NSApplication's implementation (I can think of severa
On Mar 19, 2010, at 3:21 PM, H. Miersch wrote:
> just had another surprise: i inserted NSLogs into the method that initializes
> the array and into -numberOfItemsInComboBox, trying to see the contents of my
> array and find out why -numberOfItemsInComboBox returns zero. the surprise
> was that
>
>
> This seems like a case where it might be good to know why you need to
> prevent a file from being trashed. There is probably a better way to
> accomplish what you need.
>
> _murat
>
> O
It's not even Cocoa.
What you are looking for is either file permissions (bad idea)
OR
keeping dat
This is related to an earlier post of mine, but I think it warrants a new
subject. I may be expecting others to sort out my potential race conditions,
but I don't think so. The essential point here is that I need to know the
relationship between a window becoming "key" and that same window being
That worked a treat - thanks. I was already aware of the threading issues as
have developed for the Mac before, but thanks for the heads up
On 19 Mar 2010, at 17:55, WT wrote:
> On Mar 19, 2010, at 6:40 PM, Michael Davey wrote:
>
>> OK, so I have changed the code to show a placeholder image, b
On Fri, Mar 19, 2010 at 12:21 PM, H. Miersch wrote:
> just had another surprise: i inserted NSLogs into the method that initializes
> the array and into -numberOfItemsInComboBox, trying to see the contents of my
> array and find out why -numberOfItemsInComboBox returns zero. the surprise
> was
Thank you for your help
On 19 Mar 2010, at 20:04, Don Quixote de la Mancha wrote:
> While Guard Malloc didn't find this particular problem, before you
> deliver to your client you would do well to test your entire
> application with Guard Malloc enabled. If it complains, then you've
> got a bug
It looks to me that some other process on your system is using the
Accessibility API to inspect your menu structure. That's the
"_XCopyAttributeValue" and subsequent callstack in your first sampler output.
Do you have Accessibility enabled? What happens if you disable it?
-eric
On Mar 19, 2010
While Guard Malloc didn't find this particular problem, before you
deliver to your client you would do well to test your entire
application with Guard Malloc enabled. If it complains, then you've
got a bug and a potentially serious one.
What it does is manipulate the virtual memory manager so tha
I will, but for now I just need to get this out of the door for a client -
however, it certainly looked like a very powerful tool.
On 19 Mar 2010, at 19:43, Greg Parker wrote:
> On Mar 19, 2010, at 11:55 AM, Michael Davey wrote:
>> Thanks, I have managed to find and fix my error, just by using Z
On Mar 19, 2010, at 11:55 AM, Michael Davey wrote:
> Thanks, I have managed to find and fix my error, just by using Zombies - I
> turned on Guard Malloc and it didn't do anything, and I tried instruments and
> found myself in a whole new world of things I have no idea how to use :o)
Learn it! Th
I need to come back to this as something's not right and I can't find out
what.
I am now initialising a new instance of NSUndoManager when I create my model
object. When I type I can see undoManagerForTextView being called and a
valid undo manager returned to the text view.
My problem is, when I
if i have an NSTextView in a sheet and open the find panel, the
buttons remain disabled. however, the find commands from the menu
work fine. is the find panel not supposed to work if the key window
is a sheet? or is this a known bug? any suggestions as to how to get
the buttons to be properly e
just had another surprise: i inserted NSLogs into the method that initializes
the array and into -numberOfItemsInComboBox, trying to see the contents of my
array and find out why -numberOfItemsInComboBox returns zero. the surprise was
that -numberOfItemsInComboBox is called BEFORE the method tha
I just realized I should have included the Sampler output. Here it is. You
see after the 1643 samples of MenuData::GetNamedAccessibleAttributeSelf, it
breaks into two branches, both of which end up in -validateMenuItem:
Analysis of sampling pid 25997 every 1 millisecond
1691 Thread_798599 Di
Thanks, I have managed to find and fix my error, just by using Zombies - I
turned on Guard Malloc and it didn't do anything, and I tried instruments and
found myself in a whole new world of things I have no idea how to use :o)
On 19 Mar 2010, at 18:09, Don Quixote de la Mancha wrote:
> On Fri,
Somewhere I read that printing is always a pain, but with Cocoa it's
somewhat less of a pain.
Not that I've done a lot of printing, but that was my impression. (Some
years ago I tried printing with Microsoft Visual C++ and that was really
bad -- maybe MSVC is better by now, but haven't touched MS
This seems like a case where it might be good to know why you need to
prevent a file from being trashed. There is probably a better way to
accomplish what you need.
_murat
On Mar 19, 2010, at 11:36 AM, Charles Srstka wrote:
On Mar 19, 2010, at 11:04 AM, Jens Alfke wrote:
On Mar 19, 2010,
On Mar 19, 2010, at 11:04 AM, Jens Alfke wrote:
> On Mar 19, 2010, at 5:17 AM, Don Quixote de la Mancha wrote:
>
>> How long do you need to prevent its removal? Just holding the file
>> open should prevent it from being deleted.
>
> Yes, but not from being moved to the trash, which was the OP’s
This morning I was noticing that text fields could not keep up with my typing
into them. But this only occurs during the first minute or so after my app is
launched, and sampling shows that the main thread is spending most of its time
in my app delegate's -validateMenuItem:.
I do have a couple
Thank you both for your suggestions, I will give them a go later :o)
On 19 Mar 2010, at 18:09, Don Quixote de la Mancha wrote:
> On Fri, Mar 19, 2010 at 11:00 AM, Nick Zitzmann wrote:
>> Run your app with Instruments with the object alloc tool, and turn on
>> reference counting and zombies. And
On Fri, Mar 19, 2010 at 11:00 AM, Nick Zitzmann wrote:
> Run your app with Instruments with the object alloc tool, and turn on
> reference counting and zombies. And hope your app doesn't run out of memory
> before catching the double-free.
You can also try turning on Guard Malloc. That is a me
On Mar 19, 2010, at 10:58 AM, Michael Davey wrote:
> I have just encountered the following error at (seemingly) random intervals
> when trying to debug my iPhone application, and I was wondering what causes
> it and how I might go about hunting it down so that I can try and fix it?
>
> objc[22
On Mar 19, 2010, at 6:40 PM, Michael Davey wrote:
> OK, so I have changed the code to show a placeholder image, but I am a little
> uncertain as to how to fetch the images asynchronously. I could start a
> background thread with performSelectorInBackground, but am concerned that
> this would s
OK, so I have changed the code to show a placeholder image, but I am a little
uncertain as to how to fetch the images asynchronously. I could start a
background thread with performSelectorInBackground, but am concerned that this
would spawn far too many threads - does anyone have any suggestion
On 2010 Mar 18, at 21:04, Lynn Barton wrote:
> That was just the help I needed. Console messages showed that I needed to
> explicitly set the value of one of the string attributes, which was defined
> with a minimum length of zero
After I had something like this happen a couple times, I decide
On Fri, Mar 19, 2010 at 12:24 PM, jon wrote:
> and when an UIAlertView is "instanced" if that is proper, then afterward,
> the string instance is "out of scope"
>
> I had made the assumption before that this is normal, but it maybe not
> normal, I'm looking for a bug in my code, but i don
sorry, I have not spoken in objective C in an email much as you can tell,
(tried to translate) my terms of course are all incorrect..
the NSStrings are not instanced in the header, only declared, if that is the
proper word...
the are given values in the methods.
and when an UIAlertView is
You should display a place-holder image in the tableView cells so that your
app doesn't hang. You can then fetch the images asynchronously and replace the
placeholder images with the real images as they become available. You should
not do anything to interrupt smooth scrolling.
Luke
On Mar 19
Another question...
In my application, I have several connected UITable views, and on the last
level, I am displaying images that may or may not already be cached, what I
would like to know is whether there is some way I can display some sort of
notification to the user that this is what is hap
If only I could target 10.6... we just barely convinced management to
let us drop 10.4.
Someday... someday.
-BJ
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> dispatch_sync(dispatch_get_main_queue(), ^{
>...
> });
An important reminder to anybody using this technique: be careful doing
dispatch_sync to the main queue under GC. There’s a bug
(rdar://problem/7455071) that can cause objects to not be kept alive by the
block across that thread switc
I am stymied by imprecision in your questions.
On 18 Mar 2010, at 11:53 PM, Jon wrote:
> I have a class set up, and in the header file, I have instances of
> NSString that i want to hang around for all the methods of the class to be
> able to use...(why they are declared in the header file)
On Mar 18, 2010, at 9:48 AM, Keary Suska wrote:
> On Mar 18, 2010, at 8:40 AM, Corbin Dunn wrote:
>
>> Aj -- I believe this was a bug fixed in 10.6; maybe 10.5. What OS are you on?
>>
>> The work around is to set it up in awakeFromNib.
>
> Is there any way to tab into an NSBrowser in 10.4? It
Hi,
I have just encountered the following error at (seemingly) random intervals
when trying to debug my iPhone application, and I was wondering what causes it
and how I might go about hunting it down so that I can try and fix it?
objc[22029]: FREED(id): message release sent to freed object=0x3b
You are right, I forgot to check the delegate methods.
On 17 March 2010 14:41, Keith Blount wrote:
> I might be missing something, but can you not just use the NSTextView
> delegate message, -undoManagerForTextView:? This is what I do in my app. I
> have a single text view that can have various
On Mar 19, 2010, at 8:45 AM, H. Miersch wrote:
> My theory is that there's something wrong with the array. Either it isn't
> initialized properly or the methods can't access it or something. Gonna try
> self.symbols instead of symbols, see if that changes anything...
Another thing I forgot to
On Mar 19, 2010, at 5:17 AM, Don Quixote de la Mancha wrote:
> How long do you need to prevent its removal? Just holding the file
> open should prevent it from being deleted.
Yes, but not from being moved to the trash, which was the OP’s request.
Actually I’m not sure the immutable bit prevent
On Mar 18, 2010, at 8:55 PM, William Squires wrote:
> How does one save an XML back into its file?
-[NSData writeToFile:atomically:]
> I've got a project that loads an xml file via a UITableView's delegate
> methods - that all works; I can see all the items in the NSMutableArray which
> was l
H. Miersch wrote,
>> uncaught exception 'NSRangeException', reason: '*** -[NSCFArray
>> objectAtIndex:]: index (-1 (or possibly larger)) beyond bounds (5)'
I was running into something similar this morning, and I traced it back to the
fact that I had set the type of a variable to NSUInteger, an
On Thu, Mar 18, 2010 at 8:14 AM, Jeremy Pereira wrote:
>
> On 18 Mar 2010, at 11:48, Peter Hudson wrote:
>
>> Technical Q&A QA1361
>> Detecting the Debugger
>>
>> Does this code report on my app being debugged by any third party, even when
>> the app has been stripped of symbols ?
>> Would it wor
On Mar 19, 2010, at 7:31 AM, Jim Correia wrote:
>> uncaught exception 'NSRangeException', reason: '*** -[NSCFArray
>> objectAtIndex:]: index (-1 (or possibly larger)) beyond bounds (5)'
I was running into something similar this morning, and I traced it back to the
fact that I had set the type
I'm now trying to print a PDFDocument that I am constructing from a series of
images. In case it matters, I'm doing all of this from within a Mozilla plugin.
I create the PDFDocument, and put it into a PDFView, then I call
[printView printWithInfo: [NSPrintInfo sharedPrintInfo] autoRotate: YES];
On Mar 19, 2010, at 2:26 AM, Scott Anguish wrote:
>
> On Mar 18, 2010, at 7:17 PM, Jenny M wrote:
>
>> Sorry, no answer, I'm just having a similar issue. I need to print
>> columns of text, and all the examples I see indicate a manual creation
>> and placement of EACH line of text in an NSRect
Did you try sending -reloadData to the combo box after setting up
the data source and before trying to access items in the combo box?
No, because I set up the data source in IB.
My theory is that there's something wrong with the array. Either it
isn't initialized properly or the methods can't
On 19 Mar 2010, at 12:45, H. Miersch wrote:
>>
>> It appears you are sending -selectItemAtIndex: to the combo box,
>
> Correct. I tell it to select the first item (index 0). And when I put the
> list if items in the nib file (no data source) it works.
>
> But this morning I quickly inserted a
It appears you are sending -selectItemAtIndex: to the combo box,
Correct. I tell it to select the first item (index 0). And when I put
the list if items in the nib file (no data source) it works.
But this morning I quickly inserted an nslog to find out how big the
symbols array is, and it
On Mar 18, 2010, at 3:38 PM, H. Miersch wrote:
> when i try to launch the app from within xcode, the console shows the
> following:
>
> 2010-03-18 19:26:28.515 StoX[63999:a0f] An uncaught exception was raised
> 2010-03-18 19:26:28.534 StoX[63999:a0f] *** -[NSCFArray objectAtIndex:]:
> index (-1
Nikhil,
On Fri, Mar 19, 2010 at 2:59 AM, Nikhil Khandelwal
wrote:
> Is there any way to lock a file in cocoa? I want to lock a file on desktop
> programmatically so that I can't move that file to trash until I unlock the
> file.
How long do you need to prevent its removal? Just holding the fi
On Mar 19, 2010, at 4:59 AM, Nikhil Khandelwal wrote:
> Is there any way to lock a file in cocoa? I want to lock a file on desktop
> programmatically so that I can't move that file to trash until I unlock the
> file.
I recommend against doing that. Locking the file in this sense should probabl
On 19/03/2010, at 8:59 PM, Nikhil Khandelwal wrote:
Hi,
Is there any way to lock a file in cocoa? I want to lock a file on
desktop programmatically so that I can't move that file to trash
until I unlock the file.
Thanks,
Nikhil
Hi Nikhil,
here's how I do it:
NSFileManager *f
Hi,
Is there any way to lock a file in cocoa? I want to lock a file on desktop
programmatically so that I can't move that file to trash until I unlock the
file.
Thanks,
Nikhil
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On Mar 18, 2010, at 6:15 PM, Sam Krishna wrote:
> I have two arrays of NSDictionaries that I'm trying to "uniquely merge" by
> making sure that no two dictionaries have duplicate contents. I came up with
> one solution, but I wanted to see if the community had an answer that
> involved using on
On Mar 19, 2010, at 3:03 AM, Jenny M wrote:
> Yes, for the most part the columns will line up, but I'll need some
> headers, footers, and some dividers. So if I have two sets of data,
> I'd want a header, then one set, then another, then a footer. I do
> understand the need to keep track of data
Yes, for the most part the columns will line up, but I'll need some
headers, footers, and some dividers. So if I have two sets of data,
I'd want a header, then one set, then another, then a footer. I do
understand the need to keep track of data for pagination.
I was thinking of trying WebKit, I ha
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