nvinced that Apple has no interest
> in fixing these problems.
This is the exact attitude that causes Apple to be perceived as not having
interest. Please file the bugs - the engineers reading this list can't give
high priority to things that developers don't report, as much as th
tingOnMyQueue
{
return dispatch_get_specific(kMYObjectIsOnItsOwnQueueKey) == (__bridge
void *)self;
}
-- Gwynne Raskind
On Feb 9, 2013, at 7:19 PM, Kyle Sluder wrote:
> On Feb 9, 2013, at 12:11 PM, Matt Neuburg wrote:
>
>> If dispatch_get_current_queue() is deprecated
>
>
patch_source_set_event_handler(timer, NULL);
dispatch_source_set_cancel_handler(timer, NULL); // kill the cycle
});
dispatch_resume(timer);
Boom, self-destructing timer. Warning: Written in Mail and totally untested.
Also, don't do this, just
s would be so wrong I don't think it's that
bad to break it).
@interface NSData (MutableImmutable)
- (void *)mutableBytes;
@end
@implementation NSData (MutableImmutable)
- (void *)mutableBytes {
#if __cplusplus
return const_cast(self.bytes);
#else
return (void *)self.b
sed block versus one
that's been copied to the heap will have different classes, which are probably
siblings (i.e. [[_NSConcreteStackBlock class] isKindOfClass:[_NSMallocBlock
class]] == NO).
My solution to this issue has been the "exclusion" case, i.e. if (![obj
isKindOfClass:[a
ests and responses; in this mode it presents a much
(IMO) friendlier wrapper around NSURLConnection and NSURLRequest.
As for server APIs, I've always just written my own very simple REST router in
PHP when needed; I've worked almost exclusively with servers implemented by
others, so I can&#
rmat, ...) GCLogObjCMethod(self, _cmd, __LINE__,
NSStringFromClass([self class]), format, ## __VA_ARGS__)
#else
#define GCLOGOC(format, ...)
#endif
-- Gwynne Raskind
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On Sat, Aug 11, 2012 at 1:38 PM, Jayson Adams wrote:
> I say again, Apple's official 64-bit porting document states, right now, that
> you may or may not want to move to 64 bit. If Apple is planning on removing
> 32-bit support in the near future, they will be partly to blame for any rude
> su
On Fri, Jul 29, 2011 at 21:48, wrote:
>> Granted that NSKeyedUnarchiver might have left some memory leaks or
>> partially uninitialized objects somewhere, but unarchiving an invalid object
>> should happen rarely if at all... and ordinarily my own code should never
>> get pointers to such obje
On Feb 24, 2011, at 3:58 AM, Andreas Grosam wrote:
>> You can't, but you can declare protocols for your ObjC++ classes in separate
>> headers then have the ObjC classes interact with "NSObject" instead of
>> Foo objects directly.
>>
>> FooProtocol.h
>>
>> @protocol Foo
>> // methods the pure Ob
On Oct 2, 2010, at 7:20 AM, Ken Thomases wrote:
>> Sorry to be obtuse, but it may be that I am overlooking something.
>> Presently, we have calls such as
>>
>> n = PyNumber_Float(obj)
>> s = PyString_AsString(obj)
>>
>> I understand that I would need to generate #defines for all those names,
>>
On May 7, 2010, at 3:40 PM, Jens Alfke wrote:
>> In OS 9, a particular string drawn in Geneva 9 with the old DrawString() API
>> was about 60 pixels wide. But when I draw that same string using the
>> NSStringDrawing methods and NSFont, I get much more "squished" text about 50
>> pixels wide
> O
I'm working on porting an old application from OS 9 to modern Cocoa (quite a
jump). Over and over I've run into an issue where the text just doesn't draw
the same way no matter what I do. Until now I've been able to ignore it because
the cosmetic change wasn't as obvious, but now it's causing di
On Mar 31, 2010, at 2:26 AM, Philip Mötteli wrote:
>> Another alternative would be to combine method_getNumberOfArguments() and
>> method_copyArgumentType() with ffi_prep_cif() and ffi_call(), which I think
>> is what libobjc itself does these days. libffi is available since at least
>> 10.5. Pa
On Mar 30, 2010, at 2:54 PM, Michael Ash wrote:
>> I see, I really wasn't enough clear. Lets say, I have a method
>>
>> - someMethodWithArgument:(struct *)anArgument
>> andSomeOtherArgument:(id)anotherArgument
>> {
>>// Here I want to create an NSInvocation, capturing the call of this
>>
On Mar 14, 2010, at 3:22 PM, gMail.com wrote:
> Hi,
> I can't find a way in Cocoa to mount a dmg disk.
> So I would try to call the shell through a NSTask.
> I succeed on the Terminal when executing this command line:
>
> echo -n password | hdiutil mount /Users/john/Documents/MyDmgDisk.dmg
>
> Bu
On Mar 12, 2010, at 10:22 PM, Michael Ash wrote:
>> You're right; the specific call that's causing the worst speed issues is
>> returning a property typed with this structure:
>>
>> typedef struct { int32_t x, y; } IntegerPoint;
>>
>> It's not necessarily feasible to switch this to an NSPoint; i
On Mar 12, 2010, at 5:49 PM, Greg Parker wrote:
>> You're right; the specific call that's causing the worst speed issues is
>> returning a property typed with this structure:
>>
>> typedef struct { int32_t x, y; } IntegerPoint;
>>
>> It's not necessarily feasible to switch this to an NSPoint; it
On Mar 12, 2010, at 4:52 PM, Peter Ammon wrote:
>> While profiling a project I'm working on, I found that while most of my time
>> was being spent in glFlush() (which is completely expected for an
>> OpenGL-based game), a non-trivial amount of time is being spent in dozens of
>> KVO internal met
While profiling a project I'm working on, I found that while most of my time
was being spent in glFlush() (which is completely expected for an OpenGL-based
game), a non-trivial amount of time is being spent in dozens of KVO internal
methods and functions. Most especially, I noticed that KVO (or
On Mar 12, 2010, at 2:25 AM, Ken Ferry wrote:
>> Does Cocoa have sorted containers so that an object can be inserted in
> sorted order? If so it seems like this would be far less expensive.
>
> Probably the best thing to do if you want this is to maintain the sort
> yourself by inserting new obje
On Feb 5, 2010, at 1:56 PM, jonat...@mugginsoft.com wrote:
>> 2) Right now the file doesn't get built new every time I build my
>> application. So the number isn't increasing yet. How can this be achieved?
> I use the following in a script phase to get a perpetually increasing build
> number.
>
On Jan 25, 2010, at 1:47 AM, vincent habchi wrote:
>>> I want to allow my cocoa app to be only launched by root/admin users.
>>> How can i achieve this?
>> As I think has already been mentioned, the UNIX approach is to set the
>> application's owner as root and then make it only executable by the
On Jan 20, 2010, at 6:05 PM, Quincey Morris wrote:
>>> (Though it vaguely annoys me that I have to add a spurious
>>> retain/autorelease to the Player object.)
>> You don't technically have to. You could do:
>>
>> [self willChangeValueForKey:@"player"];
>> player = [[Player alloc] init];
>> [self
On Jan 20, 2010, at 5:00 PM, Quincey Morris wrote:
>> It didn't work. The UI did not update with the values in the Info object for
>> the given Track in the Player. I tried a couple dozen things, and finally
>> found that the UI updated correctly when I generated a fake KVO notification
>> for t
This is most likely a very basic question, but I seem to be stumped just the
same.
I have an application nib (MainMenu) set up such that it instantiates the
NSApplication delegate and the application's main window.
The application delegate class has a property "player". The player is an
instan
On Nov 28, 2009, at 4:25 AM, Greg Parker wrote:
> Here's a fun idiom for handling both C++ and Objective-C exceptions in the
> same place (on iPhone and 64-bit Mac).
>
>@try {
>// do stuff
>} @catch (NSException *e) {
>// NSException
>} @catch (id e) {
>// Othe
Before anything else, let me say thank you for a clear, concise, and
very helpful set of answers to my questions; I was expecting rather
more of a struggle for understanding :).
On Sep 10, 2009, at 5:04 PM, Ben Trumbull wrote:
support for such a thing; I would either have to write a custom
p
On Sep 10, 2009, at 3:21 PM, Erik Buck wrote:
Yes. Use Core Data. Your application is exactly what Core data is
intended to support.
Create a planet entity.
Create a one to many relationship so that each employee has one
planet, but each planet has an unlimited number of employees.
This
I have an application that manages two kinds of data: A singular file
that contains a large amount of rarely changed (but not invariant)
data, and documents that contain one root object's worth of
information that connects to the singular data set in a very large
number of places; the docum
On Jun 1, 2009, at 4:31 PM, Sean McBride wrote:
This is a nice trick, I wasn't aware of that function, thanks.
Perhaps a minor improvement (one call instead of two):
- (BOOL) isTrashedFileAtPath:(NSString*)path
{
Boolean inTrash = false;
const UInt8* utfPath = (UInt8*)[path UTF8S
On May 31, 2009, at 2:08 PM, Ammar Ibrahim wrote:
Can you give us so more details? For example: What will the app do?
Your description is very strange, lol.
But indeed, you should create a normal cocoa app that do the stuff
you
want to do (UI + the real stuff),
and a little daemon that checks
On May 30, 2009, at 9:11 PM, Alex Curylo wrote:
You also have the "unused" attribute:
http://gcc.gnu.org/onlinedocs/gcc-3.1.1/gcc/Variable-Attributes.html
That's out because I commonly have to share code with Windows
compilers.
... although much less commonly now that I'm about 80% focused on
On May 29, 2009, at 11:22 PM, Graham Cox wrote:
Is there a way to tune xCode so that it warns you of these types of
potential problems (and more)? The Java development environment
I've been using for the past several years (Jetbrains IDEA) has
unbelievably fantastic code-editing and compile
On May 25, 2009, at 6:52 PM, Michael Ash wrote:
The authentication stuff is pertinent, because the AEWP is an example
of an API which works by having an unprivileged user process
communicate with a privileged process that does the work. A technique
which allows you to compromise a process which u
I have a UIView inside a UIScrollView. The UIView has a bunch of
CALayers with custom drawing code which render vector images. A nice
thing about vector images is that when you zoom in on them, they still
look good. But using UIScrollView's zooming support, I still get nasty
bitmap zooming
On May 24, 2009, at 6:00 PM, Marc Liyanage wrote:
I was playing around a bit with the Obj-C 2.0 dot notation to
clarify some things for me. In my own classes getters and setters
are called as expected, but I noticed several times already that
library classes sometimes don’t allow the dot not
On May 21, 2009, at 1:09 PM, David Duncan wrote:
I have a UIView that contains a number of CALayers. Nothing unusual
here. The CALayers are subclassed to do their drawing, because that
was easier than separating the delegate logic from my UIView
subclass (since the view can't be the delegate
On May 21, 2009, at 12:33 PM, Sean McBride wrote:
NSLog(@"Is Member of NSURL: %@", [[step class] isMemberOfClass:
[NSURL class]]);
The %@ placeholder is for arguments that are objects.
isMemberOfClass: and isKindOfClass: return a BOOL, which is not an
object.
Jeff,
And if you'r
I have a UIView that contains a number of CALayers. Nothing unusual
here. The CALayers are subclassed to do their drawing, because that
was easier than separating the delegate logic from my UIView subclass
(since the view can't be the delegate of a sublayer - it causes an
infinite recursion
On May 20, 2009, at 8:56 AM, Jonathan del Strother wrote:
I believe a short version of your question is: "How can I get
multiple
inheritance?" The short answer is that Objective-C does not support
multiple inheritance.
Yep. I know that, which is why I'm trying to find an elegant
workaround.
On May 19, 2009, at 10:35 PM, Dong Feng wrote:
Thanks Michael and Gideon's reply. [NSTextInput markedRange] works.
A minor question is that [NSWindow fieldEditor] returns an NSText*,
rather than an NSTextView*. I think that's because of historical
reason and it should be safe to always cast a re
On May 19, 2009, at 2:15 PM, Jesper Storm Bache wrote:
In the obj-c world we then have to implement classes to be able to
handle a dealloc call before the initializer has completely executed.
My 2 cents...
If we aren't implementing our classes this way to begin with, then
we're not programm
On May 18, 2009, at 4:03 AM, Shraddha Karwan wrote:
I have a buffer containing JPEG image data. I need to display this
buffer in
form of images. I copied this buffer to a file and then used the
following:
CGDataProviderRef ref = CGDataProviderCreateWithFilename([appFile
UTF8String]);
CGImage
On May 11, 2009, at 7:42 PM, Dragan Milić wrote:
So, I assume creating attributed strings is not thread safe, but I
don't
remember anything like that stated in the documentation. In my
opinion, that
looks like a bug.
It is thread safe... if you stick to the Foundation methods. The
method you
On May 9, 2009, at 10:20 PM, Greg Guerin wrote:
Yeah, but since that was only done as part of a benchmark, it
didn't much matter. It may have skewed the numbers upwards
unnecessarily, but wouldn't have changed their relation to each
other since the same sequence was calculated for all three
On May 9, 2009, at 9:19 PM, Greg Guerin wrote:
char hexCharToNibbleL(char nibble)
Is safer as:
char hexCharToNibbleL(unsigned char nibble)
Otherwise consider what happens if 'char' is signed by default and
the incoming value is 0xB0.
const char lt[255] =
Should be:
const char lt[256]
or:
On May 9, 2009, at 5:20 PM, Marcel Weiher wrote:
int hexDigitToInt(char d)
{
int result;
switch (d) {
case '0': result = 0; break;
case '1': result = 1; break;
[snip]
case 'E': result = 14; break;
case 'F': result = 15; break;
default:
result = 0xFF;
On May 8, 2009, at 11:34 PM, Mr. Gecko wrote:
And how could that make @"68656c6c6f" into @"hello"?
Thinking this will help you understand what I'm trying to do...
On May 8, 2009, at 10:23 PM, Jerry Krinock wrote:
On 2009 May 08, at 20:16, Mr. Gecko wrote:
Hello, I have a string with hex and I
Apologies for the random e-mail from nowhere; I replied to the wrong
list.
On May 8, 2009, at 1:17 PM, Gwynne Raskind wrote:
On May 8, 2009, at 1:03 PM, Luke the Hiesterman wrote:
On May 8, 2009, at 10:00 AM, wrote:
If you feel strongly (like I do) that this functionality should be
made
On May 8, 2009, at 1:03 PM, Luke the Hiesterman wrote:
On May 8, 2009, at 10:00 AM, wrote:
If you feel strongly (like I do) that this functionality should be
made available, file a bug. I'm thinking there is a legal reason
this feature is not enabled, but I am unable to confirm my
suspici
On May 8, 2009, at 7:35 AM, Shraddha Karwan wrote:
Hi,
I am writing an application which is in landscape mode. It dials a
phone
number using the "tel" protocol. While dialing the standard iPhone
dialer
screen pops up. Is there any means by which this screen can be
suppressed?
Or how can I
Disclaimer: As far as my understanding goes, the iPhone SDK NDA has
been lifted and I'm free to ask this question here. If for some crazy
reason this isn't true, please just delete this e-mail.
My iPhone application has one UIViewController for each piece of its
interface. Each such control
On May 6, 2009, at 9:43 PM, Marcel Weiher wrote:
Nick, thanks for the tip, you set me on the right track. Here is my
new understanding of the problem. In my framework target settings,
the Dynamic Library Install Name is set to:
$(DYLIB_INSTALL_NAME_BASE:standardizepath)/$(EXECUTABLE_PATH)
T
On May 3, 2009, at 8:17 PM, johnmadst...@yahoo.it wrote:
I am confused.
I was discussing with a developer about my desire to translate our C+
+ code (really simple and few methods and classes) to Objective-C,
for a Cocoa/Cocoa Touch software.
His answer has been: « I do not understand the r
On Apr 28, 2009, at 5:15 PM, Kyle Sluder wrote:
Except in the case where one line of code creates the temp file and
then another immediately uses it and deletes is - as in my case.
There is zero chance the user could FUS faster than my 2 lines of
code create and delete the file.
By virtue o
On Apr 22, 2009, at 12:00 AM, Jeremy W. Sherman wrote:
How about just nice(1)-ing the process doing the intense processing
to be
lower-priority, and letting the scheduler sort it all out?
It's my understanding that nice() prioritization is effectively
meaningless on Darwin, at least accordi
On Apr 20, 2009, at 8:01 PM, Steve Christensen wrote:
personName = @"New name";
personAddr = @"New addrress";
personPhoto = [[NSImage alloc] initWithContentsOfFile:
@"/Volumes/Working/cocoa/Play-NSTableView/Linea.jpg"];
if (personPhoto == nil)
{
You need a call to [self dealloc] here, otherwise y
On Apr 14, 2009, at 4:03 AM, Uli Kusterer wrote:
FWIW, I was having some strange issues with NSTask and setuid child
processes (...) My eventual solution was to roll my own version of
NSTask which gave me full control over the way the child process
was set up, (...) I was able to track down
On Apr 13, 2009, at 8:36 PM, Michael Ash wrote:
You can put every (unsigned) value you want in there, though in
general it's used passing (unsigned)time(NULL) as parameter. This
way
you'll always get a different int.
No you won't. It's a *random* number generator. The seed simply
means you
On Apr 11, 2009, at 2:29 PM, Michael Domino wrote:
I ended up throwing out NSTask in favor of popen for running
hdiutil, and my code seems much more stable now. Did I shoot myself
in the foot some other way? I'm executing this in a pthread of its
own. I also kept getting exceptions thrown fo
I'm developing a Cocoa application with bindings, as should be
obvious. I do apologize if this is a newbie question, but my searches
of the documentation haven't made any of this clearer to me.
I'm trying to make use of the MVC pattern, properly isolating UI code
from my model objects using
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