I am trying to set an object's boolean, everything works but I get a warning
of 'pointer from integer without a cast'.
*// Here is the Main Class:*
[theObject setActivated: YES];
*// Here is the Object Class:*
@property(readwrite, assign) BOOL *activated;
@synthesize activated;
-
BOOL isn't an object. you want BOOL not BOOL*
John Ku wrote:
I am trying to set an object's boolean, everything works but I get a warning
of 'pointer from integer without a cast'.
*// Here is the Main Class:*
[theObject setActivated: YES];
*// Here is the Object Class:*
Thank you all, a newb mistake. :PIm going crazy trying to put pointer on
everything.
Btw, BOOL is not, is Boolean a pointer type?
Thanks!
On Wed, May 27, 2009 at 11:46 PM, Roland King r...@rols.org wrote:
BOOL isn't an object. you want BOOL not BOOL*
John Ku wrote:
I am trying to set an
John,
I believe the problem is that you're treating the boolean as a pointer.
HTH,
Joel
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I have code that lays out text on a path. It essentially boils down to
the technique given in the Text Layout Programming Guide example code
(Circle text) of setting up a transform before letting the layout
manager get on with its normal work, done by calling -[NSLayoutManager
Hello,
I can not find any Bluetooth examples on the developer website. There
was a link but it was broken.
I have two problems that I am trying to solve:
1. The correct way to communicate with a Bluetooth serial port. The
documentation indicated that there is a new method that provides
Hello everyone,
I'm new to development on the iPhone. I have been reading for a while now
the official docs, and some tutorials and posts online explaining the use
of NSUserDefaults.
My questions:
1) It sounds to me as if this is the preferred class for storing the user
preferences for my
Hey all,
I am trying to open a NSPanel in the current virtual desktop, however,
it moves me to the virtual desktop where the main NSWindow resides.
How can I force a NSPanel to open in the current virtual desktop?
--
Ștefan BĂLU
Tel: +40726 252 799
Fixed.
[NSApp activateIgnoringOtherApps:YES];
[panel
setCollectionBehavior:NSWindowCollectionBehaviorDefault|NSWindowCollectionBehaviorMoveToActiveSpace];
[panel makeKeyAndOrderFront:self];
On Wed, May 27, 2009 at 3:16 PM, Stefan Balu baluste...@gmail.com wrote:
Hey
Actually it didn't fix everything. If I close (and not release) the
pannel, go to a different space, when the panel is to be displayed it
will move me to where it previously was.
So, the code below only unties the panel from the main window,
however, if my panel is to be closed, when i call
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Greetings:
I'm working within the Cocoa/iPhone environment using SQLite as my
persistent storage means (albeit, MySQL would be adequate as well).
I want to create a digital library that stores images as BLOBs to be
incorporated into an SQLite table.
So I need a simple OS X application
Hi,
I want to make my application as default for file of particular extension
programmatically.
Please reply as soon as possible.
Thanks,
Nikhil
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This e-mail may contain privileged and confidential information which is the
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On 28/05/2009, at 10:10 PM, McLaughlin, Michael P. wrote:
Yes. I looked at that but
1. My tree is quite small (about 3 pages) and Xpath seemed like
overkill.
2. Different objects will seek out information in different parts of
the
tree. That is, each will do a subtraversal once their
On 28/05/2009, at 5:19 PM, Graham Cox wrote:
I have code that lays out text on a path. It essentially boils down
to the technique given in the Text Layout Programming Guide example
code (Circle text) of setting up a transform before letting the
layout manager get on with its normal work,
On 5/27/09 6:42 PM, Greg Guerin glgue...@amug.org wrote:
In reviewing the NSXML documents, I found no really simple way to
traverse a
subtree of an NSXMLDocument. That is, traverse from the root until
you hit
the node with the right name then pretend that that node is the
root of a
Jerry Krinock (je...@ieee.org) on 2009-05-27 1:04 AM said:
At first I thought these FS functions were in Carbon, but the docs say
that they are in CoreServices, so I guess this is OK for the 64-bit
future.
It's another example of 'Carbon' being a term with many meanings. These
APIs have their
On 28/05/2009, at 10:45 PM, McLaughlin, Michael P. wrote:
I'm familiar with recursion; that is what prompted my query.
However, the
tree-traversal documentation at
http://devworld.apple.com/documentation/Cocoa/Conceptual/NSXML_Concepts/Arti
I have a core data (doc-based) app in which one of the entities
includes a custom object as a persistent attribute. The custom object
class implements NSCoding, and these objects are saved to the core
data store with no problem (they are read back correctly etc).
Instance variables of
On 28/05/2009, at 11:56 PM, McLaughlin, Michael P. wrote:
Hello,
I think you’re correct in what you show below. I was expecting
that, since an XML document is already a tree, it would already have
an equivalent to what you describe. I’ve reinvented the wheel too
many times and now try
On May 27, 2009, at 10:07 PM, Tomaž Kragelj wrote:
Thanks Keary, this works, however it requires that the same binding
is repeated in each nib where the same list should be handled (some
views may only need to show it while others can also modify it). I
was thinking of creating a master
On 29/05/2009, at 12:21 AM, Graham Cox wrote:
makeObjectPerformSelector
makeObjectsPerformSelector:
^
--G.
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Hi All,
I created NSDocument which has inbuilt SavePanel, what I want is the reference
of SavePanel in my class.
I tried NSSavePanel *panel = [NSDocument savePanel]
But the code crashes.
Any help will be appreciated.
-Sourabh
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On 28 May 2009, at 16:36, Nikhil Khandelwal wrote:
Hi all,
I want to find out which application is the default one for .x
extension file in my application and to make my application the
default one for that extension.
For finding out who is owning an extention you should use the Launch
Hi all,
I know this is off-topic, but I posted to the Spotlight list and got
no replies, and I thought someone here might know this.
Can anyone list the default set of mdimporter filters shipped with Mac
OS X 10.4? I can figure this out by doing a clean install, but I am
hoping to avoid
On 29/05/2009, at 12:47 AM, Sourabh Sahu wrote:
I created NSDocument which has inbuilt SavePanel, what I want is the
reference of SavePanel in my class.
What's an inbuilt save panel? Because there isn't one in a normal
NSDocument
I tried NSSavePanel *panel = [NSDocument savePanel]
But
On May 28, 2009, at 7:52 AM, Andy Lee wrote:
On Wednesday, May 27, 2009, at 11:23PM, Bill Bumgarner
b...@mac.com wrote:
If you find something that is causing a bundle with Objective-C code
to be unloaded, please file a bug via http://bugreport.apple.com/.
It isn't supported and the number of
Does your latest statement mean that the following (from http://developer.apple.com/documentation/CoreFoundation/Conceptual/CFBundles/Tasks/loading.html#/
/apple_ref/doc/uid/20001127-124675)
is incorrect/obsolete information:
You can unload the contents of a CFBundle object using
Mike McLaughlin. wrote:
I'm familiar with recursion; that is what prompted my query.
However, the
tree-traversal documentation at
http://devworld.apple.com/documentation/Cocoa/Conceptual/
NSXML_Concepts/Arti
cles/TraversingTree.html#//apple_ref/doc/uid/TP40001257
seems to indicate that
Does anyone know of any issue that would cause
performSelectorOnMainThread to not actually perform the selector but
not report any kind of error? I use threads very often and have never
had a problem like this, but when I call:
[aControllerObject
Hi
I have a situation where I need to create a new string as I go through
a loop.
What will be the most efficient way of doing this each time the call
goes through the loop.
1. To create an auto releasing string.
2. To create a non auto-releasing string at the start of the loop and
On May 28, 2009, at 9:20 AM, Reza Farhad wrote:
I have a situation where I need to create a new string as I go
through a loop.
What will be the most efficient way of doing this each time the call
goes through the loop.
1. To create an auto releasing string.
2. To create a non
On May 28, 2009, at 10:11 AM, Ben Einstein wrote:
Does anyone know of any issue that would cause
performSelectorOnMainThread to not actually perform the selector but
not report any kind of error?
Are you sure the main thread isn't busy and is running a run loop in
its default mode?
well .. it's hard to say until you actually try it and profile your
code however ..
I try to stick to something like 2. whenever it doesn't cause me to
bend the code around too much. I use alloc/init .. use variable ..
release whenever I can. Absolutely nothing guarantees that anything in
On 28-May-09, at 10:39 AM, Keary Suska wrote:
On May 28, 2009, at 7:03 AM, Rick Hoge wrote:
I have a core data (doc-based) app in which one of the entities
includes a custom object as a persistent attribute. The custom
object class implements NSCoding, and these objects are saved to
Three general possibilities:
(1) aControllerObject is nil.
(2) The main run loop is not running for some reason.
(3) The main run loop is not running in one of NSRunLoopCommonModes.
Assuming you've eliminated (1), I'd look at (3).
-Jeff
On May 28, 2009, at 11:11 AM, Ben Einstein wrote:
On May 28, 2009, at 12:36 PM, Jeff Johnson wrote:
Three general possibilities:
(1) aControllerObject is nil.
Definitely not the problem because it works when calling
performSelector: without the mainThread part.
(2) The main run loop is not running for some reason.
The main run loop
When the instance variable changes in your custom class, you can call
willChangeValueForKey: and didChangeValueForKey: for the entity that
contains your custom class.
I haven't ever had to do this, but it is the first thing I would try.
Dave
On May 28, 2009, at 12:34 PM, Rick Hoge wrote:
On May 28, 2009, at 9:46 AM, Ben Einstein wrote:
On May 28, 2009, at 12:36 PM, Jeff Johnson wrote:
Three general possibilities:
(1) aControllerObject is nil.
Definitely not the problem because it works when calling
performSelector: without the mainThread part.
(2) The main run loop
Thanks for the advice, I had actually tried that as well to no avail.
After playing around a bit, I'm fairly certain I've solved it,
although I'm not really sure why it was a problem. At the top of the
worker method, I was locking the NSManagedObjectContext and unlocking
it just before
So I need a simple OS X application (either an existing desktop
application, or a simple command-line application) that can serialize
a PNG image
into a BLOB (keeping all metadata, etc.) for access by a SQLite (or
any SQL-type DB) engine (used within a Cocoa/iPhone application).
AFAIK a SQLite3
On 28-May-09, at 12:56 PM, Dave Fernandes wrote:
When the instance variable changes in your custom class, you can
call willChangeValueForKey: and didChangeValueForKey: for the entity
that contains your custom class.
I haven't ever had to do this, but it is the first thing I would try.
On May 28, 2009, at 12:13 PM, Ben Einstein wrote:
Thanks for the advice, I had actually tried that as well to no avail.
After playing around a bit, I'm fairly certain I've solved it,
although I'm not really sure why it was a problem. At the top of the
worker method, I was locking the
I'm not sure the best way to do this, but suppose I have two
NSArrayControllers, tableView1Controller and tableView2Controller.
Now suppose I have an NSArrayController, table3Controller.
What I am trying to do is to have it so that table3Controller's
Content Array binding depend on both
On Thu, May 28, 2009 at 9:46 AM, Ben Einstein beinst...@me.com wrote:
(2) The main run loop is not running for some reason.
The main run loop is waiting to hear back from the completion of the worker
What do you mean by waiting? Is it blocked on something?
-Shawn
Well at the time I wrote that, I thought it was sitting completely
idle, but it seems the NSManagedObjectContext lock was blocking the
main thread, even my application is specifically designed to not do
that. It's working okay now...
Thanks,
Ben
On May 28, 2009, at 1:51 PM, Shawn Erickson
On May 28, 2009, at 8:39 AM, Jesper Storm Bache wrote:
Does your latest statement mean that the following (from http://developer.apple.com/documentation/CoreFoundation/Conceptual/CFBundles/Tasks/loading.html#//apple_ref/doc/uid/20001127-124675
)
is incorrect/obsolete information:
You can
I have a table of objects (core data) which are used to fill the
content of a NSPopupMenu. The user should be able to choose an abject.
Afterwards the user should click on a button and the selected object
should be added to another table.
Now I have created a NSArrayController object and
On May 28, 2009, at 06:03, Rick Hoge wrote:
I have a core data (doc-based) app in which one of the entities
includes a custom object as a persistent attribute. The custom
object class implements NSCoding, and these objects are saved to the
core data store with no problem (they are read
Specifically my entity has a 'transformable' attribute for which the
values are a custom object class, and this object class has an ivar
that is an NSMutableDictionary. The user can modify entries in this
dictionary, and I would like this to cause the context to be flagged
as dirty and to have
I'm working on a Finder CM plugin that needs a more complex UI for
some menu item commands than CFUserNotificationCreate provides. All
menu item commands for this CM perform work via an NSObject derived
class on a thread so as not to block the Finder. Is it possible from
that thread to
I had to do this recently. I needed to convert an NSXMLDocument to an
NSDictionary. If you're interested, you can find the code on GitHub:
http://github.com/Caged/aixmlserialize/blob/5322baec2f075d6f4f3bf9cab53b6a606c48ad76/src/AIXMLElementSerialize.m
Justin Palmer
http://alternateidea.com |
Hi all,
I'm running into a CPU usage problem with my Cocoa application. Basically
once the app has been running for a few hours it starts, all of a sudden, to
steadily consume an increasing amount of CPU.
On further investigation with Instruments, it seems that object allocations
seem to be the
Hello everyone,
I'm porting an Application from 10.4 to 10.5 at 64 bit, and I have a
problem with resource files,
in the Tiger app I have this code to read some resource files:
FSSpec spec;
FSRef ref;
CFURLRef url = (CFURLRef)[NSURL fileURLWithPath: myPathString];
if (CFURLGetFSRef(url,
How do I open a specific window in a nib file? I tried to use the following
code, but it displays ALL the windows in that nib file.
DialogController
-[id]init
{
self = [super initWithWindowNibName:@MyNibName];
}
DialogController *dialogController = [[DialogController alloc] init];
[NSApp
On 5/28/09 11:25 AM, Ben Trumbull said:
Specifically my entity has a 'transformable' attribute for which the
values are a custom object class, and this object class has an ivar
that is an NSMutableDictionary. The user can modify entries in this
dictionary, and I would like this to cause the
On Thu, May 28, 2009 at 11:36 AM, John Yeh john...@adobe.com wrote:
How do I open a specific window in a nib file? I tried to use the following
code, but it displays ALL the windows in that nib file.
Typically, you only have one window per nib file. There's usually a
one-to-one correspondence
On Thu, May 28, 2009 at 11:16 AM, Michael Süssner
michael.suess...@utanet.at wrote:
Now I have the problem how I can read the index of the currently selected
object of the popupmenu.
This is typically indicative of a flawed design. You shouldn't be
asking the UI for this; bind one of the
On 26 May 2009, at 6:34 PM, Diego Rey Mendez wrote:
I'm new to development on the iPhone. I have been reading for a
while now
the official docs, and some tutorials and posts online explaining
the use
of NSUserDefaults.
My questions:
1) It sounds to me as if this is the preferred class for
Ben, Quincey, Sean, thanks for the comments. Maybe there are some
lower level design issues to rethink.
This pattern is usually a flawed model design. If the properties
are to be this independently mutable, then there should be a
relationship, and/or the complex attribute should be
On May 28, 2009, at 7:37 AM, Aaron London wrote:
Is it possible from that thread to load a NSWindow from a nib and be
able to have that window respond to UI events?
No; it is a bad idea to load nibs in threads other than the main
thread. You can't count on both the AppKit and
Hi lists
Thanks in advance for those who can help me..:)I have subclass of
textview. I want to add find and replace menu items.How can i do that?
--
With Regards,
-
Archiez...:0)
On Thu, May 28, 2009 at 11:59 AM, Rick Hoge rickho...@mac.com wrote:
The user can change the input parameters in the object's dictionary of
inputs, and this should be reflected in the persistent store of
corresponding to the custom attribute on disk. I realize this is ugly, but
I can't think
Thanks for the hint
Am 28.05.2009 um 01:23 schrieb Shlok Datye:
The reason why IB complains is that the dot accessor only returns a
regular set. You should therefore use IBOutlet NSSet
*selParticipants instead.
For the same reason, you cannot add a participant to
selection.participants
I have a master-detail view, where the detail contains another table
with a one-to-many relationship.
I have added a Remove Button which I have linked to the corresponding
controller object.
Although the list is not empty, I cannot remove any relationship. Then
I have bound the canRemove
On Thu, May 28, 2009 at 12:36 PM, Michael Süssner
michael.suess...@utanet.at wrote:
I think that this implementation is according to the MCV-pattern, isn't it.
Yes, that's correct.
--Kyle Sluder
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On Thu, May 28, 2009 at 12:11 PM, archana udupa udupachu...@gmail.com wrote:
Thanks in advance for those who can help me..:)I have subclass of
textview. I want to add find and replace menu items.How can i do that?
Look at the default Edit:Find:Find… menu item. It's wired up to First
Just a follow-up. It's not perfect, and I'll revisit the design, but
it does what I need for now.
Specifically my entity has a 'transformable' attribute for which the
values are a custom object class, and this object class has an ivar
that is an NSMutableDictionary. The user can modify
Check out CGPostKeyboardEvent.
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From the docs:
This function is not recommended for general use because of undocumented
special cases and undesirable side effects. The recommended replacement for
this function is CGEventCreateKeyboardEvent, which allows you to create a
keyboard event and customize the event before posting it
Is there a way to hide a GUI app's icon in the process/switch list as can be
done for faceless background apps?
I've tried several of the Info.plist settings but nothing seems to do this.
Thanks,
Erg
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Hi all,
I have some animation code that looks like this:
CABasicAnimation *theAnimation = [CABasicAnimation
animationWithKeyPath:@position.x] ;
NSLog( @ANIMATION: started %x , theAnimation ) ;
theAnimation.removedOnCompletion = YES ;
theAnimation.duration = 0.125f ;
I have an object which I initialize like this:
gReg = [ [ Registry alloc ] init ];
Problem is, my init method never receives any message.
Does anyone know what can cause this?
Thanks,
Erg
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what is the result of [ Registry alloc ] ?
On May 28, 2009, at 5:34 PM, Erg Consultant wrote:
I have an object which I initialize like this:
gReg = [ [ Registry alloc ] init ];
Problem is, my init method never receives any message.
Does anyone know what can cause this?
Thanks,
Erg
Oddly, the object returned is non-nil.
I should mention that the pointer being returned is a hack global declared at
the top of the file like this:
static Registry *gReg = nil;
but that shouldn't matter. And I've checked that that global is never set to
nil or created twice anywhere else in
Either your main thread doesn't implement the selector requested, or else it's
an issue with the runloop never processing the request. If you have code that
alters the runloop or modifies its input sources, check that code first.
Erg
From: Ben Einstein
I have this original class with the following method:
- (void) update {
NSString *title = [[NSString alloc] init];
title = @TEST;
NSPoint drawAtOrigin;
drawAtOrigin.x = 0;
drawAtOrigin.y = 10;
[title drawAtPoint: drawAtOrigin withAttributes: nil];
}
Here, I updated it trying to be efficient:
what does the declaration of init look like?
On May 28, 2009, at 5:46 PM, Erg Consultant wrote:
Oddly, the object returned is non-nil.
I should mention that the pointer being returned is a hack global
declared at the top of the file like this:
static Registry *gReg = nil;
but that
On 29/05/2009, at 9:57 AM, John Ku wrote:
I have this original class with the following method:
- (void) update {
NSString *title = [[NSString alloc] init];
title = @TEST;
This is incorrect for a start. You are leaking an empty string. You
allocate and initialise it, then reassign its
On 28 May 2009, at 16:57, John Ku wrote:
snip
Is this a more efficient way to code? Which coding practice is
better in
terms of efficiency, memory, performance?
The update method will get called often. So Im thinking there is no
need to
create 'NSPoint drawAtOrigin' everytime.
Your
On Thu, May 28, 2009 at 4:53 PM, Erg Consultant
erg_consult...@yahoo.com wrote:
Either your main thread doesn't implement the selector requested, or else
it's an issue with the runloop never processing the request. If you have code
that alters the runloop or modifies its input sources, check
How is your init defined?
Mike Manzano
Sent while mobile
On May 28, 2009, at 4:34 PM, Erg Consultant erg_consult...@yahoo.com
wrote:
I have an object which I initialize like this:
gReg = [ [ Registry alloc ] init ];
Problem is, my init method never receives any message.
Does anyone
Thank you all for the explanation. After reading over and experiment, I kind
of get what you all are saying.I've probably confused myself too much with
the dot syntax to use title = @fdsfd.
So if i have:
NSMutableString *title = [[NSString alloc] init];
[title setString: @test];
That would be
On Thu, May 28, 2009 at 4:57 PM, John Ku john.c...@gmail.com wrote:
I have this original class with the following method:
- (void) update {
NSString *title = [[NSString alloc] init];
You create an empty string instance in the above and make title point at it.
title = @TEST;
You then make
On 29/05/2009, at 10:42 AM, John Ku wrote:
NSMutableString *title = [[NSString alloc] init];
[title setString: @test];
That would be correct and safe?
Yes, but pointless.
If the string is a constant, use a constant.
NSString* string = @whatever;
--Graham
On Thu, May 28, 2009 at 5:42 PM, John Ku john.c...@gmail.com wrote:
Thank you all for the explanation. After reading over and experiment, I kind
of get what you all are saying.I've probably confused myself too much with
the dot syntax to use title = @fdsfd.
So if i have:
NSMutableString
Yeah sorry everyone, in the original example i am using a constant.My
working app is actually using a mutable string. So I've got both mixed up.
And yeah, NSMutableString will be initialized else where and released later.
*hits myself in the head* Im not processing correctly today..
Thanks,
So if i have:
NSMutableString *title = [[NSString alloc] init];
[title setString: @test];
That would be correct and safe?
Thank!!
John
No. I hope it would emit warnings on compilation too. That would set
title to an NSString instance, then you go calling setString: on it and
that's an
On 29/05/2009, at 10:56 AM, Andrew Farmer wrote:
Nope, that'd be assigning a NSString instance to a NSMutableString
variable
oops, missed that ;-)
--Graham
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Erg Consultant wrote:
Oddly, the object returned is non-nil.
I should mention that the pointer being returned is a hack global
declared at the top of the file like this:
static Registry *gReg = nil;
but that shouldn't matter.
Post your code for alloc and -init.
Your question can only
Better than making mistake one after another.
But good lesson for me.
Cheers,
John
On Thu, May 28, 2009 at 6:01 PM, Graham Cox graham@bigpond.com wrote:
On 29/05/2009, at 10:56 AM, Andrew Farmer wrote:
Nope, that'd be assigning a NSString instance to a NSMutableString
variable
The object's -init looks like this:
- (id)init
{
if( !gReg )
{
if( ( self = [ super init ] ) )
{
// Zero out members...
keys = nil;
lastFlushTime = nil;
}
}
return self;
}
Oddly, I just ran
On May 28, 2009, at 1:57 PM, Erg Consultant wrote:
Is there a way to hide a GUI app's icon in the process/switch list
as can be done for faceless background apps?
I've tried several of the Info.plist settings but nothing seems to
do this.
Thanks,
Erg
Hi Erg,
The LSUIElement key
On 29/05/2009, at 11:19 AM, Erg Consultant wrote:
- (id)init
{
if( !gReg )
{
if( ( self = [ super init ] ) )
{
// Zero out members...
keys = nil;
lastFlushTime = nil;
}
}
return self;
}
This is a little broken.
-init must
That is exactly what I want - my app is a standard Cocoa app with a few windows
and a menu bar but it's used to launch other apps - so I don't want it showing
up in the Command-Tab switch list, the Dock, or the Force Quit window. Mainly,
I need my windows and menubar to still be visible.
On May 28, 2009, at 2:16 PM, Quincey Morris wrote:
Well, yeah. The problem is that you're using something with the
behavior of an entity (your custom object) as an attribute. That is,
you want your object graph to include your custom objects (for the
purpose of monitoring their changes),
On May 28, 2009, at 11:08 AM, Graham Cox wrote:
On 29/05/2009, at 12:47 AM, Sourabh Sahu wrote:
I created NSDocument which has inbuilt SavePanel, what I want is
the reference of SavePanel in my class.
What's an inbuilt save panel? Because there isn't one in a normal
NSDocument
I tried
On 29/05/2009, at 1:10 PM, Andy Lee wrote:
In what way? Show the stack trace. Show your code. Show something.
Yes. Don't expect people to guess what you're doing. SHOW US what
you're doing and tell us what happened.
And to that list I could have added show some initiative!
--Graham
Seems to be what I needed.
Thanks,
Mr. Gecko
On May 28, 2009, at 3:27 PM, Dave Keck wrote:
Check out CGPostKeyboardEvent.
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On May 28, 2009, at 9:51 AM, Mike Crowe wrote:
I'm running into a CPU usage problem with my Cocoa application.
Basically
once the app has been running for a few hours it starts, all of a
sudden, to
steadily consume an increasing amount of CPU.
On further investigation with Instruments, it
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