able to handle the extra observeValueForKeyPath:
(My guess is that when A receives observeValueForKeyPath:, it is
already too late to still remove B from the list of objects which will
be notified. Most likely some kind of copy is made of the list of
objects to notify internally by Cocoa.)
Kai
if
the max size of OpenGL textures. Besides being tiled,
CATiledLayer updates its contents lazily and in some background
thread, if I remember correctly. In any case, it is different.
Best
Kai
On 19.6.2008, at 19:54, Moray Taylor wrote:
Thanks for the reply...
I've tried
[[[self pageScrol
checked (Tiger, I think), but I would be surprised if
Quartz became perfect in this respect in the meantime.
Depending on your application, this may be between no problem and
inacceptable.
Greetings
Kai
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ween using NSData
and the direct copy. But since you potentially access non existing
bytes or data, that may be coincidence.
Best
Kai
Hi folks,I'm a newbie to Cocoa.
Recently, I'm working on a project relating to Resource Management.
In my project, there's a part that I'm read
On 25.6.2008, at 10:42, Tran Kim Bach wrote:
Thanks Ken and Kai for your very very quick responses
This is my first post in the list, I'm sorry for not clarifying my
problem.
Actually, the program stopped at the mentioned line.
In console, it said something like:
objc[2144]: FRE
D intValue]
is pretty unnecessary - unless you are going to use resID with some
Cocoa message which expects an NSNumber.
Another tip: Handle locking (HLockHi, HUnlock) is a no op under Mac OS
X and can be skipped.
Best
Kai
(I mean if I can use these C structs in Objective-C?, don't ha
Hi,
have you checked CGContextReplacePathWithStrokedPath (CGContextRef
c) ? This together with CGRect CGContextGetPathBoundingBox
(CGContextRef c) might do the trick for you.
Best,
Kai
On 8.7.2008, at 14:16, Graham Cox wrote:
I need to know a rect within which all pixels will be painted
no longer work. KVC knows about the _ivar convention
(because it is used by Apple ;-) ) and matches an _ivar to the key
"ivar". It won’t for ivar_. But than again it is better anyway to have
explicit accessors, I’d say.
Kai
PS and OT: _ivar is not (any more) considered portable
Yes, there is: IB 3.1 (coming with Xcode 3.1) lists all "Referencing
Bindings" pointing to an object under the "Connections" tab.
Hope this helps.
Kai
On 25.7.2008, at 18:06, Richard Gutierrez wrote:
Thanks for the response...
Ultimately what I am trying to do is det
se changes. Done consistently,
this works simply beautiful.
And I wouldn’t restrict Core Data to database+forms apps. You can
certainly use it for a drawing application. Whether it is the best
solution for this kind of application depends - as always - on many
details.
Hope this helps a
of the method). (Note that this
style may be only possible with certain C dialects. I use Objective C+
+, therefore I’m not sure).
Hope this helps.
Kai
On 5.9.2008, at 09:04, Steve Cronin wrote:
Folks;
OK this behavior has me a little spooked...
This behavior occurs the first time through
On 6.9.2008, at 02:10, Steve Cronin wrote:
Kai;
OK That seems reasonable but:
why do I not see this behavior anywhere else?
Yes, it surprised me a little, too, that I had never seen something
like this. Now if I am right, this occurs only if such a variable
happens to be at a location
ed to resolve all these character entities myself? And if
so, what should the NSData object returned by
parser:resolveExternalEntityName:systemID: contain? Unicode? Which
Unicode encoding?
But this can’t be, can it? I must be missing something simple.
Thanks for
On 14.9.2008, at 10:45, Nathan Kinsinger wrote:
On Sep 12, 2008, at 3:56 PM, Kai wrote:
When NSXMLParser hits a character entity like ä (-> German
umlaut 'ä'), it sends parser:resolveExternalEntityName:systemID: to
its delegate and if this is not implemented o
On 15.9.2008, at 22:24, Nathan Kinsinger wrote:
On Sep 15, 2008, at 1:45 PM, Kai wrote:
Of course if the content really is XHTML you should really be
using an HTML parser and not an XML one.
No, it isn’t. Just needs some way to encode all German characters.
I’ll have to investigate
this? What I want is to have
the cache at screen resolution to keep memory usage controlled.
Thanks for any hints
Kai
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Contact
ich may be introduced by bridiging
to other languages.
Have fun!
Kai
On 31.12.2008, at 09:22, Achim Domma wrote:
Hi,
I develop software for a living and want to get started with cocoa
development just for fun. I'm good at python, C, C++ and C# and have
some Ruby knowledge. Now I'm
use a low level event tap to catch those mouse events you
are interested in.
Best luck!
Kai
Time to come up with an entirely different solution then.
--
Markus Amalthea Magnuson
http://konstochvanligasaker.se
http://nattlek.se
"Life... is like a grapefruit. It's orange and squi
once when it is started, thus avoiding any shared data.
NSOperation and NSOperationQueue might be of help here. You would
create a sub class of NSOperation which knows all the info your worker
thread needs and off you go.
Best luck
Kai
On 19.11.2008, at 22:37, Jean-Nicolas Jolivet wrote
might work.
Kai
On 23.11.2008, at 17:03, Tim Andersson wrote:
Hi guys.
I'm currently working on my own custom color picker, and it's all
going well. However, I need to replicate the magnifying function
found in a NSColorPanel. I think I've figured out how to capture
e case of a single association.
Especially if the OP is right with his observation that this memory is
scanned by the collector, which adds time overhead to the space
overhead.
Kai
On Sep 11, 2009, at 2:25 PM, Ken Ferry wrote:
Hi Torsten,
Please file as a bug if you haven't alrea
are your model. If
this is correct, the changes do go through your code: when they arrive
at the phase object (typically in a setter). And this is the place to
record the information needed for undoing the change.
Hope this makes any sense
Kai
On 9.10.2009, at 19:53, David Hirsch wrote
place NSPointerFunctionsIntegerPersonality by
NSPointerFunctionsIntegerPersonality | NSPointerFunctionsOpaqueMemory.
Best
Kai
+ (void)load
{
RKAtomicMemoryBarrier(); // Extra cautious
if(RKCacheLoadInitialized== 1) { return; }
if(RKAtomicCompareAndSwapInt(0, 1, &RKCacheLoadInitialized)
that GC has support for this: weak references. Simply
declare the connection ivar as weak: __weak MyClass* connection. GC
does the rest. No dealloc, no finalizer, no dangling pointer. And it’s
even thread safe.
Best
Kai
On 12.10.2009, at 04:44, Karolis Ramanauskas wrote:
If you want to do
On 12.10.2009, at 13:42, Roland King wrote:
On 12-Oct-2009, at 7:26 PM, Karolis Ramanauskas wrote:
Thanks, Kai, Greg, Jens,
It's generally a bad idea to have two objects each retain the
other. It
produces a reference loop, which means neither object can be
deallocated
without man
s thread safety feature of GC is another big reason to
use GC over managed memory besides the automatic memory management.
Kai
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application faceless.
Good luck
Kai
On 20.10.2009, at 11:58, XiaoGang Li wrote:
Greetings,
I have created an document-based cocoa application, now I
need to
provide a command line interface for my users.
for example, users input this into the terminal:
./myApplication.app/Contents
nless
you must support Tiger or iPhone.
Kai
XiaoGang Li wrote:
The piece of code I want to discuss is followed:
#import
int main (int argc, const char * argv[]) {
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
for(int i=0;i<5000;i++)
{
NSURL *inAbs
u use Core Data or not.
Good luck!
Kai
On 4.11.2009, at 05:22, David Hirsch wrote:
So, I'm hearing folks sing the praises of CoreData, which I have not
yet learned. It seems like a long uphill climb, but if life will be
spectacular afterwards, I'll do it. I am a semi-casual pro
our data set fits in memory and you don't mind loading it all at
once, stay away from core data.
my two cents
Ruotger
On 04.11.2009, at 08:54, Kai Brüning wrote:
Hi David,
this question is most definitely on topic :-)
So, lets see, what would Core Data give you:
- Scalabilit
r German
locale. This is completely wrong, expected would be "EE, d.M.".
I filed a bug under rdar://7803429.
Does anybody have similar experiences with this method? Any work around to make
it work?
- Kai
-
Test code:
The following code:
NSLocale* u
ondering wether there's a sophisticated
library/framework for this. Any help would be appreciated. Thanks in advance.
Best regards,
Kai
nonamel...@me.com
sent from Mobile Me
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; e) {
> // C++ failed dynamic cast to reference type
> } @catch (...) {
> // Other C++ exception
> // or non-ObjC non-C++ foreign exception
> }
No - there’s a syntactically subtle but important difference above between
@try/@catch and try/catch, the fur
main thread was paused
> since my worker thread had the lock on the context. And blamo.
> Deadlock.
>
> Solution? Disturbingly easy to see now 12 hours into trying to fix it.
> Just do the rearrangeObjects on the main thread as before, but set
> waitUntilDone
Great you found this issue.
But according to the log output, it seems that you do have a serious
threading-related problem. I wouldn’t ignore this, it may raise its head any
time in the future and bite you badly.
Good luck
Kai
On 18.12.2009, at 03:26, PCWiz wrote:
> Thanks, will do.
>
ried to break on [NSRecursiveLock alloc]? Or on one of the init
methods?
Kai
>
> Independent Cocoa Developer, Macatomy Software
> http://macatomy.com
>
>
> On 2009-12-18, at 12:07 AM, Kai Brüning wrote:
>
>> Great you found this issue.
>>
>> But accord
gt; 2. It never showed up under Leopard by pure luck.
Since you switched computers together with the OS, there’s another possibility:
is your old computer by chance single-core? And do you have any threading in
your code? If so, threading bugs tend to be much worse under multi-core because
On 4.1.2010, at 13:44, Charles Jenkins wrote:
> Thank you to all who offered your expertise!
>
> Whatta dumb mistake! I thought all objects were retained once when created,
> not auto-released. Gah!
>
> I've been programming for 20+ years--mostly with C++ and C#. Cocoa-ObjC has
> the steepest
that happen, I immediately
> save, close, and reopen the window, and everything is fine.
Sounds scary, i’ve never seen this.
>
> Mac software is usually first class, stable, and beautiful. How do folks
> write such great software when they're stuck with such a sub-par IDE? :-)
heir own right
or whether the "save onto the disk as text for further usage" is an export. In
the later case you would have a single document which is able to export tables
as text files (or Excel or Numbers or HTML, you name it).
Hope this helps a little
Kai
>
> Thanks!
>
user's language
preferences".
Could somebody with insight confirm whether this is a documentation bug?
(Sure, I could check the actual order. But if the documentation is correct, the
result would be meaningless for the future.)
Thanks
Kai
__
Done: rdar://7637393
Kai
>
> On Feb 10, 2010, at 5:52 AM, Kai Brüning wrote:
>
>> Could somebody with insight confirm whether this is a documentation bug?
>
> This is indeed an error in the documentation. Please file a bug against the
> documentation with the infor
A tip for the next time you have problems with macros: use Xcode’s Preprocess
command (in the Build menu) to see your macros resolved. Helps a lot in such
cases.
Kai
On 27.2.2010, at 07:37, Adam Gerson wrote:
> Thanks! I can't believe I missed that. Its 1:35am here and its been a lon
[baz quux];
return a || b;
Or, different style:
BOOL a = NO;
if ([foo bar])
a = YES;
if ([baz quux])
a = YES;
return a;
Kai
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ource trees in Xcode
preferences (that is, per machine), and then use these definitions to
set paths in projects relative to a defined source tree. This frees
you from the need to have the exact same directory setup on each
computer which uses the project.
Kai
__
layer even works just fine.
Is this a feature of Snow Leopard we can dependent upon? We were not able to
find it documented, not even in the AppKit release notes for 10.6.
Thanks
Kai
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Please d
Apple might break
your code with any update etc.
Best success
Kai
On 23.4.2009, at 13:23, rajesh wrote:
Hi All,
I am working on dragging table row (not for re-ordering or deleting)
onto a NSView
I am returning an processed image (for dragImage) in
- (NSImage
coordinates first,
to the correct rounding, convert the result back and then draw.
The 10.5-only NSView methods convertPointToBase: and friends are quite
helpful for this.
For more details see Apples "Resolution Independence Guidelines".
Kai
--Graham
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