On Sep 1, 2008, at 22:25, Oleg Krupnov wrote:
What I do:
From within MyDocument's windowControllerDidLoadNib message:
[myController bind: @currMode toObject: self withKeyPath:@currMode
options:nil];
I do not override bind, unbind etc. of MyController relying on the
default implementation
Le 2 sept. 08 à 00:13, Steven Noyes a écrit :
On Sep 1, 2008, at 1:38 PM, Jean-Daniel Dupas wrote:
Unlike java, Obj-C does not have the concept of class variable.
Your static variable is a classic C variable, and C variable are
not automatically initialized to NULL.
The first time you
Hi,
Thanks for pointing that out. My application is 64 bit, though, as it
needs to handle fairly large datasets. Since the Carbon stuff is not
64 bit, I'm basically in trouble. Does anyone know of a way around
this? I guess an option would be to keep everything to the main
thread, but I'd like to
On Sep 2, 2008, at 12:55 AM, Roger Herikstad wrote:
Since the Carbon stuff is not 64 bit
Not correct: Some of it is, some of it isn't. Read the API reference
documentation and release notes to figure out which is what. Besides,
QTKit is a Cocoa framework.
j o a r
Hi,
But I do need the Carbon headers to use the functions
AttachMovieToCurrentThread, DetachMovieFromCurrentThread, etc, no? I
had to add the Quicktime framework to get access to these, after which
Xcode complained that QuickTime.h is not 64 bit...
~ Roger
On Tue, Sep 2, 2008 at 4:05 PM, j o a
I think I've fixed the the problem, thanks to an idea I had whilst reading
Oleg's Bindings - newbie question thread.
I've added a message within -init to bind my model's variable (theValue) to the
appropriate value (thevalue) within the standardUserDefaults dictionary
(myPrefs). Apologies for
Tommy Nordgren wrote:
On 31 aug 2008, at 03.12, Peter Stirling wrote:
I've been trying to do some python scripting of iTunes using pyobjc
and ScriptingBridge, and I've been having some problems (I reduced
everything to objective-c on its own in order work out if it was
caused by pyobjc).
My app needs to open NSOpenPanel from a document-modal sheet using
action-target model. However, after dismissing the NSOpenPanel and then
pressing a close button on the sheet, even though my callback gets an
event to close the sheet, orderOut: comes to do nothing but just cycling the
rainbow
I have read the following thread:
http://www.cocoabuilder.com/archive/message/cocoa/2008/6/27/211362
(the useful part of it) and mostly figured out the matter myself and
coped to make my code work. I will now briefly set forth my
understanding and appreciate if some more experienced colleague
David Orriss Jr wrote:
OK, it's not Cocoa, per se... but I thought someone here might know.
I want to create an AppleScript that is on the Context (Ctrl+Click/
Right Click) menu. I've seen ways to do it with Automator - but that
puts the script in the automator menu. I want it top-level.
'=' and '==' are equivalent in predicate format strings (predicates
are queries, so assignment isn't possible)
I should probably have made clear in the first post:
The program returns a list of all tracks that are marked as gapless
from my mp3 collection (and only those marked gapless), the
Works pretty well on the few apps I've run it on.
I'll second that; I used it for the first time yesterday and it's very
good.
Keith
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I can't seem to get my preference pane to register with Apple Help.
The bundle contains English.lproj/MyPrefHelp
This contains:
My Pref Help.helpindex (also tried with MyPrefHelp.helpindex)
MyPrefHelp.html
pages/
...
image/
...
style/
...
InfoPlist.strings (English) contains:
[my apologies if ever you receive the mail twice]
Hi,
I'm writing to the list, because I got a problem I can't solve, even
after reading a lot of archives about possible wrong thing we do, and
searching a lot on the web.
First, the code was initialy written in C++, and adding the
I have my program working at last. Thank you all for your answers,
particularly to you Quincey, who understood well my misconceptions and
took the time to provide me with a very detailed answer.
Thank you again !
Renaud Pradenc
ceroce.com
___
If you want to preserve the state for other cells then you can
maintain an instance variable (flag) in the ImageAndTextCell, so in
outlineViewSelectionDidChange, you simply get the cell for the
selected row and set it's
flag to YES, and in willDisplayCell you simply check that flag of the
On Mon, Sep 1, 2008 at 6:18 PM, Chris Suter [EMAIL PROTECTED] wrote:
I believe there's a sample somewhere that illustrates the new procedure.
http://developer.apple.com/samplecode/BetterAuthorizationSample/listing4.html
-Shawn
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Hi there,
We're trying to compile our application so that it can run under 10.5
10.4 using weak linking (this is required for us other libraries). Our
software is based on wxWidget and so for the moment we're evaluating the
possibility of running the minimal sample from wxWidget using weak
On Tue, Sep 2, 2008 at 12:33 AM, Jean-Daniel Dupas
[EMAIL PROTECTED] wrote:
Le 2 sept. 08 à 00:13, Steven Noyes a écrit :
On Sep 1, 2008, at 1:38 PM, Jean-Daniel Dupas wrote:
Unlike java, Obj-C does not have the concept of class variable.
Your static variable is a classic C variable, and C
I think you'd be better off doing things programmatically, but leverage the
framework as much as possible. I'm developing on the iPhone, so if you're
not, I hope there are analogous built-in classes that you can leverage:
1. Since it looks like you want rows of objects, I'd leverage
Le 2 sept. 08 à 16:29, Clark Cox a écrit :
On Tue, Sep 2, 2008 at 12:33 AM, Jean-Daniel Dupas
[EMAIL PROTECTED] wrote:
Le 2 sept. 08 à 00:13, Steven Noyes a écrit :
On Sep 1, 2008, at 1:38 PM, Jean-Daniel Dupas wrote:
Unlike java, Obj-C does not have the concept of class variable.
Your
Works pretty well on the few apps I've run it on.
I'll second that; I used it for the first time yesterday and it's
very good.
Accidental cross posting, it is nonetheless very interesting, see http://tinyurl.com/69vnqv
for the rest of the thread.
Keith
Andrew White wrote:
I can't seem to get my preference pane to register with Apple Help.
...
Any guidance?
Ran into difficulties with this a few years ago, partly because it
was under-documented and partly because some of the documentation
that was there had a critical typo. When I
9/1/08 9:46 PM, also sprach [EMAIL PROTECTED]:
I have a label that I want to display the date range for which I am
displaying data. So, the label would say July 1, 2008 to September 1,
2008 for my QTD numbers. That is simple enough, but when I set the
display value binding to my startDate and
On Aug 30, 2008, at 6:33 PM, Kyle Sluder wrote:
On Sat, Aug 30, 2008 at 7:30 PM, marc hoffman [EMAIL PROTECTED] wrote:
right - but it wouldn't constantly requery for the row count,
right? so if i
tell it you got 3 rows and then later, when more rows get added,
the
reloadData call fails,
On Sep 2, 2008, at 1:14 AM, Roger Herikstad wrote:
But I do need the Carbon headers to use the functions
AttachMovieToCurrentThread, DetachMovieFromCurrentThread, etc, no?
It doesn't seem like that's the case:
With Mac OS X 10.5 and QuickTime 7.3 or later installed, QTKit
provides the
On Sep 2, 2008, at 5:06 AM, Pierre Guilluy wrote:
After recompiling the libraries and minimal example using
-isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.4
the example works fine under 10.5 but running it under a 10.4 system
comes with a dyld error
dyld: lazy symbol
On Aug 30, 2008, at 10:34 PM, Seth Willits wrote:
On Aug 30, 2008, at 9:35 PM, Justin Williams wrote:
I have an two-column NSOutlineView with the first column being an
checkbox cell. This works fine for any root level/parent items, but
any children underneath a given item will not display a
On Sep 1, 2008, at 4:25 PM, kiran Sanka wrote:
I am trying to figure out how I might be able to do something like
Finder does displaying disc Eject Image(When disc inserted)
indicator as part of an outline item.
I did by customizing NSTextField Cell as below
- (void)
First I do appreciate the help. The code suggested below does what I
need it to, but I don't understand something (probably the semantics
of 'static').
I know the constants are set only once as I traced the code but, it
sure seems like they should be set each time the method is called.
On Sep 1, 2008, at 8:41 PM, Ron Wagner wrote:
I am trying to get an NSTableView to change it's selection when
clicking on one if it's cells when it's window is not active. I have
subclassed NSTableView, overridden acceptsFirstMouse: and return YES
unconditionally, and verified that it is
On Sep 2, 2008, at 2:20 AM, Bill Cheeseman wrote:
on 2008-09-01 11:41 PM, Ron Wagner at [EMAIL PROTECTED]
wrote:
I am trying to get an NSTableView to change it's selection when
clicking on one if it's cells when it's window is not active. I have
subclassed NSTableView, overridden
On Tue, Sep 2, 2008 at 8:45 AM, Richard Good [EMAIL PROTECTED] wrote:
Could someone please explain why? Thanks.
That is how static is _defined_ to behave. The initialization only
takes place once.
-Shawn
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On Tue, Sep 2, 2008 at 8:38 AM, Eric Schlegel [EMAIL PROTECTED] wrote:
I believe the problem was also fixed in Xcode 3.1, so you might also be able
to install 3.1 and associated SDKs and link against the 10.5 SDK in that
release.
It must be because our product isn't bitten by this issue and
Any suggestions and advices would be mush appreciated.
Pause in the debugger and see what your app is doing. Could be a
retain/release problem, where you're messaging an object that was released
and whose memory has been overwritten. (Can happen--I saw exactly this
behavior, locked up, from an
9/2/08 2:37 AM, also sprach [EMAIL PROTECTED]:
For what it's worth, the [sharedUserDefaultsController save:] message is still
returning before performing the save, so if I send any other messages within
my savePrefs method, userDefaults will still contain the old value - I'm
beginning to
Hi,
how can i prevent text highlighting (e.g. on enter key) in a
NSTextFieldCell?
-- eric
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Hello,
I am trying to make a grouped tree of my core data, to show in an
outlineview. I have been researching how to do it and the only thing I
have discovered is that inheriting NSTreeNode is useless.
I want group the root entities for his color. So, the root branches
are the colors,
Hello,
Is there an easy way to convert a decimal number to hexadecimal.
NSNumberFormatter does not have an api for that. Any advice.
Thanks,
R.
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On Tue, Sep 2, 2008 at 8:45 AM, Richard Good [EMAIL PROTECTED] wrote:
It appears that the line
static NSArray* constants = nil;
is only being executed on the first call to the method and being ignored on
all subsequent calls.
Could someone please explain why? Thanks.
That's the point of
On Tue, Sep 2, 2008 at 9:45 AM, Ronnie B [EMAIL PROTECTED] wrote:
Is there an easy way to convert a decimal number to hexadecimal.
NSNumberFormatter does not have an api for that. Any advice.
'man 3 printf' in terminal and look for the x and X conversion specifiers
You can use those with
For what it's worth, the [sharedUserDefaultsController save:]
message is still
returning before performing the save, so if I send any other messages within
my savePrefs method, userDefaults will still contain the old value - I'm
beginning to wonder if this is a bug within
On Sep 2, 2008, at 10:30 AM, Gordon Hughes wrote:
I guess I had gotten lucky with a previous path animation attempt (a
MoveToPoint and EllipseInRect) when I used the paced calculation
mode because it worked. According to the CAKeyframeAnimation Class
Reference, although it's available in OS X
I've got a situation in my application where, when it is placed in the
background, its windows disappear from view, although they continue to
show up in the application's Dock menu, so they're not closed. How do
I set a breakpoint to trigger when one of these windows disappears? I
already
Ronnie B wrote:
Hello,
Is there an easy way to convert a decimal number to hexadecimal.
NSNumberFormatter does not have an api for that. Any advice.
Depends on what you mean. The words decimal and hexadecimal don't
have any implications beyond the presentation of data. In memory,
9/2/08 11:04 AM, also sprach [EMAIL PROTECTED]:
Some other suggestions: storing the shared defaults and controller is really
just a waste of memory. They won't change across invocations.
With the overhead of Objective C messaging, isn't it more efficient
to obtain once and store the
On Sep 2, 2008, at 2:04 PM, Ronnie B wrote:
Ok. In my code I have this:
NSString *str = [NSString stringWithFormat:@%x, [NSNumber
numberWithInt:12345]];
NSLog(@ --- hex or not %@, str);
in a concole I see this:
--- hex or not 5c633d0
But, in Calculator.app I see this: 0x3039
On Sep 2, 2008, at 11:52 AM, Nick Zitzmann wrote:
I've got a situation in my application where, when it is placed in
the background, its windows disappear from view, although they
continue to show up in the application's Dock menu, so they're not
closed. How do I set a breakpoint to
That was it. Thanks Gregory.
On Tue, Sep 2, 2008 at 2:08 PM, Gregory Weston [EMAIL PROTECTED] wrote:
On Sep 2, 2008, at 2:04 PM, Ronnie B wrote:
Ok. In my code I have this:
NSString *str = [NSString stringWithFormat:@%x, [NSNumber
numberWithInt:12345]];
NSLog(@ --- hex or not %@,
On Sep 2, 2008, at 12:10 PM, Randall Meadows wrote:
I'm sure you checked this (!), but the Hide On Deactivate is not
checked for those windows in your [xn]ib, right?
It wasn't turned on in the main window, but that was turned on in one
of the children of the main window, and apparently
On Sep 2, 2008, at 11:17 AM, Nick Zitzmann wrote:
Why is Hide On Deactivate circumventing all of the different order
out methods?
Hide on Deactivate windows are hidden by the window server
automatically when your process deactivates, and the window server
(being a separate process from
On Sep 2, 2008, at 11:45 AM, Corbin Dunn wrote:
On Sep 1, 2008, at 8:41 PM, Ron Wagner wrote:
I am trying to get an NSTableView to change it's selection when
clicking on one if it's cells when it's window is not active. I
have subclassed NSTableView, overridden acceptsFirstMouse: and
Okay, after a bunch of struggles, I got my code to work. What I
wanted was to make a multi-page pdf document from a bunch of text. I
wanted a method that would take an array of strings and make a pdf
page from each string, then join them all together into a single pdf
document.
My
Hi Paul,
The structure of your code is very similar to some I wrote, which
works well for me.
A couple comments:
PDFDocument *tempDoc = [[PDFDocument alloc] initWithData:[v
dataWithPDFInsideRect:r]];
PDFPage *page = [[PDFPage alloc] initWithDocument:tempDoc];
John,
Thanks for your reply. I'll submit the radar later today.
I'm still curious about elliptical paths and 360 degree arcs. Do they
always start/end on horizontals, or is there something that I'm overlooking
to have the path start at an arbitrary point?
Gordon
On 9/2/08, John Harper
In running Shark on my app recently I noticed that by far, my app
spent most
of its time in: CGSConvertBGR888toRGBA.
I'm having trouble understanding what this means. It appears that
CoreGraphics is having to convert some of my non-alpha channel
images to
have an alpha, and perhaps
On Sep 2, 2008, at 12:41 PM, Gordon Hughes wrote:
Thanks for your reply. I'll submit the radar later today.
I'm still curious about elliptical paths and 360 degree arcs. Do
they always start/end on horizontals, or is there something that I'm
overlooking to have the path start at an
Yes you can skip the page variable altogether if you want.
[outputDoc insertPage:[tempDoc pageAtIndex:0] atIndex:[outputDoc
pageCount]];
Should work fine.
On Sep 2, 2008, at 3:47 PM, Paul Archibald wrote:
Thanks for the comments Andy.
I see what you mean about reassigning that page
On Sep 1, 2008, at 3:48 PM, Godfrey Van Der Linden wrote:
On 02/09/2008, at 8:26, Ben Trumbull [EMAIL PROTECTED] wrote:
- (void) awakeFromInsert
{
[super awakeFromInsert];
_rect = [NSEntityDescription
insertNewObjectForEntityForName:@Rect
inManagedObjectContext:[self
Hi all,
I'm still getting comfortable with NSURLConnection and the related
classes as well as the CFStream classes for reading and writing files
via FTP. I think I've got it down, now, but I have one hiccup I'd like
to solve. What's the best way to see if a file already exists on the
Hello,
I do not understand what I am doing wrong ; running the following
snippet:
NSMutableData * d = [NSMutableData dataWithCapacity:10] ;
const unsigned char data = 0xC0 ; // U+00CO is À
[d appendBytes: data length:1] ;
NSLog (@d: %@, d) ;
NSString *
Hello all,
I'm having a devil of a time trying to figure out what seems to be a
pretty basic scenario: declaring a multidimensional array in the
interface section of a class when the array dimensions are unknown
until runtime. Can anyone point me in the right direction with this one?
9/2/08 2:25 PM, also sprach [EMAIL PROTECTED]:
I'm having a devil of a time trying to figure out what seems to be a
pretty basic scenario: declaring a multidimensional array in the
interface section of a class when the array dimensions are unknown
until runtime. Can anyone point me in the
It's not exactly a direct answer to your question, but have you
considered looking into using ConnectionKit instead for FTP access?
It's Objective-C and fuller-featured than CoreFoundation's FTP code.
Mike.
On 2 Sep 2008, at 21:21, Wyatt Webb wrote:
Hi all,
I'm still getting comfortable
You want to use either an NSFormatter subclass, or possibly, if using
bindings, key-value validation.
On 2 Sep 2008, at 20:29, Joeles Baker wrote:
hi,
is there any easy way to validate a textfield?
my app has a textfield, which should only accept emailaddresses.
before I start reinventing
On Sep 2, 2008, at 1:49 PM, Keary Suska wrote:
9/2/08 2:25 PM, also sprach [EMAIL PROTECTED]:
I'm having a devil of a time trying to figure out what seems to be a
pretty basic scenario: declaring a multidimensional array in the
interface section of a class when the array dimensions are unknown
I don't see the problem...
Just use a pointer to a pointer to a pointer to a ...
Every array in C is just a hidden pointer and if you try to
dynamically allocate an array in C then you are left only with one
option: malloc, calloc, realloc
On 02 Sep 2008, at 22:49, Keary Suska wrote:
Hello all,
I'm having a devil of a time trying to figure out what seems to be a
pretty basic scenario: declaring a multidimensional array in the
interface section of a class when the array dimensions are unknown
until runtime. Can anyone point me in the right direction with this
one?
Hi Don,
In Apple Remote Desktop, when you are in observe mode, the cursor is
set to a white arrow. This is pretty nice to show that you can't
click somewhere you're usually able to.
As far as I can tell, this cursor is not set from a picture.
Is the white arrow cursor a system cursor not documented
9/2/08 2:57 PM, also sprach [EMAIL PROTECTED]:
I don't see the problem...
Just use a pointer to a pointer to a pointer to a ...
Every array in C is just a hidden pointer and if you try to
dynamically allocate an array in C then you are left only with one
option: malloc, calloc, realloc
No
Thanks, everyone. I guess I'm going the pointer/malloc way.
On Sep 2, 2008, at 5:27 PM, Keary Suska wrote:
9/2/08 2:57 PM, also sprach [EMAIL PROTECTED]:
I don't see the problem...
Just use a pointer to a pointer to a pointer to a ...
Every array in C is just a hidden pointer and if you try
On Tue, Sep 2, 2008 at 4:25 PM, Pierre Molinaro [EMAIL PROTECTED] wrote:
Could someone tell me why initWithData:encoding succeeds?
Because Cocoa might be letting you slide?
--Kyle Sluder
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On Tue, Sep 2, 2008 at 3:28 PM, Andy Mroczkowski [EMAIL PROTECTED] wrote:
The other two autoreleases are correct, though in general I suggest using
regular release when you can. The overhead on autorelease isn't much but it
is non-zero. Plus it makes over-release bugs a little harder to track
I have some code that works OK on Tiger but does not on Leopard.
I have a NSTableView with a column whose data cell is a NSButtonCell
subclass.
The NSButtonCell is set to be a checkbox/switchbox.
The subclass implements the following method:
- (BOOL) trackMouse:(NSEvent *)theEvent
On Sep 2, 2008, at 5:26 PM, Stéphane Sudre wrote:
In Apple Remote Desktop, when you are in observe mode, the cursor is
set to a white arrow. This is pretty nice to show that you can't
click somewhere you're usually able to.
As far as I can tell, this cursor is not set from a picture.
Is
Thanks Gregory, that did the trick.
I actually didn't need your step 2 (putting the anchors in the
Info.plist); using a helpindex worked fine on 10.4. But I did need to
explicitly register the help book.
Incidentally, I was able to shortcut the Apple example code slightly using
Thank you very much for your hot experience.
I'm not sure where to place breakpoints yet, but will carefully look
at the retain/release places.
Let me thank you again.
Nor
On 2008/09/03, at 1:18, Scott Ribe wrote:
Any suggestions and advices would be mush appreciated.
Pause in the
I read through the thread about getting the guid used for the key when
attempting to add an item into the doc from an installer and have a couple
of questions.
I am working on a utility that creates users with managed preferences set
for Parental Controls. While I can see not wanting an app to
Thanks for the comments Andy.
I see what you mean about reassigning that page pointer. As I recall,
I had trouble fully allocating a page without the pdf document. Just
using [[PDFPage alloc] init] did not seem to create a real pdf
page, and trying to do anything with such an object
I have a situation where it would make a lot of sense to have a
nibless application. I think this situation is unique and would
suspect that very few people would need to do this. There is some
information on how to do this. Lap Cat Software has some good
information on this
I'm not sure where to place breakpoints yet
Launch under the debugger, do what you do to lock it up, then in the
debugger click the pause button and look at the stack to see where it is.
This will often give you a clue; you'll often see it locked up trying to
send a message to a particular
I am converting UTF8 string Rø to NSString using
stringWithUTF8String: I get nil as a return value:
(gdb) p utf8_str
$1 = R\303, '\000' repeats 253 times
(gdb) po theString
Cannot access memory at address 0x0
Is there a canonical way to convert wchat_t to NSString?
Thanks
Are there limitations on what kind of text can be drawn using
CTLineDraw in a Quartz context? I'm finding it impossible to set the
font color.
Here is some code I've been experimenting with:
...
NSFontDescriptor *fontDesc
= [NSFontDescriptor fontDescriptorWithFontAttributes:
Hi Kevin,
On Tue, Sep 2, 2008 at 3:58 AM, Kevin Meaney [EMAIL PROTECTED] wrote:
I feel like I am missing something that should be obvious. Pointers would be
helpful or a suggestion for something else to try.
Here's some code I wrote a while back that we use. It works back to 10.3.7
(possibly
Comrades,
going off topic here
I am getting interested in iPhone development, but I can't tell if
dropping a C-note to Apple is really worth it. Anyone know of other
fora where I can tune in to see what its all about, or is Apple's the
only game in town?
now returning to our regularly
I really like that rule of thumb. Very clean, very cool. Thanks. (I
am not too worried about overhead in this case.)
Paul
On Sep 2, 2008, at 7:00 PM, [EMAIL PROTECTED] wrote:
And if you do use autorelease, then put it right where you allocate
the object. For example:
NSTextView* view
Thanks Ben. This was all great information.
The doc link was the key - after I posted, and kept sampling my app, I
figured out a number of these myself, but the doc made me more
confident that I wasn't missing something in Core Data.
On a tangential note, how can I get Instruments to
Greetings,
CocoaHeads is an international Mac programmer's group. We specialize
in Cocoa, but everything Mac programming related is welcome.
Why Should I Attend?
Meeting other Mac OS X developers in person is both fun and immensely
useful. There's no better way to learn Cocoa or get help with
On Sep 2, 2008, at 7:43 PM, Mike Rossetti wrote:
[attrString addAttribute:NSForegroundColorAttributeName
value:[NSColor lightGrayColor] // No effect.
range:NSMakeRange(0, [attrString length])];
Rendering a font with an NSColor attribute requires a
On Sep 2, 2008, at 8:00 PM, Paul Archibald wrote:
I am getting interested in iPhone development, but I can't tell if
dropping a C-note to Apple is really worth it. Anyone know of other
fora where I can tune in to see what its all about, or is Apple's
the only game in town?
You can
On Sep 2, 2008, at 9:42 PM, Clark Cox wrote:
On Tue, Sep 2, 2008 at 7:29 PM, Waqar Malik [EMAIL PROTECTED] wrote:
I am converting UTF8 string Rø to NSString using
stringWithUTF8String: I
get nil as a return value:
(gdb) p utf8_str
$1 = R\303, '\000' repeats 253 times
That is not a valid
Help.
I was about to send my client a new version of the app, and the main
thing I just thought I fixed has completely stopped working. Sheesh.
What the app does is launch a memory and cpu intensive command line
program and monitor its progress. It I run the CLP separately, I see
it
On Sep 3, 2008, at 12:03 AM, Paul Archibald wrote:
Okay, this has me stumped. Does Xcode somehow pipe the output of
the CLP to my app when it is present, and when its not there that
pipe is never hooked up?
It is your responsibility to establish the pipe between the
subprocess and your
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