[[UIDevice currentDevice] systemVersion] returns a string, i.e. "7.1.2".
if ([[[UIDevice currentDevice] systemVersion] compare:@"8.0"
options:NSNumericSearch] == NSOrderedDescending)
// older than 8.0
else
// 8.0 and newer
-Original Message-
From: cocoa-dev-bounces+juliuso
> What does the code you're using look like? (Also, are you on 10.9?)
The following works for me from 10.6 to 10.9 (I've left out code that
creates an NSSearchField, NSPopUpButton and NSTextField controls - all look
the same):
- (NSToolbarItem *)toolbar:(NSToolbar *)toolbar
itemForItemIdentifier:
> CGPoint apoint=[[touches anyObject] locationInView:[self view]];
> [layer setPosition:apoint];
You need to disable implicit CALayer animation(s):
[CATransaction begin];
[CATransaction setDisableActions:YES];
[layer setPosition:apoint];
[CATransaction commit];
__
There could be two reasons:
> [self.view sendSubviewToBack:_menuView.view];
Is placing other UIViews in the view hierarchy on top of the menu view and
they could be eating touches.
> _menuView.view.frame=CGRectMake(-160,0,160,440);
> self.view.frame=CGRectMake(160, 20, 320, 548);
UIViews that a
> I'm looking for "something" OR some method that knows how to change (I
think) the position (I think) of the view containing a UITextField so the
TextField is visible after a keyboard comes up and covers it. Then the view
goes back to normal position once the keyboard is dismissed.
>
> Is there a
> When my app starts, I'd like to show a splash screen with a logo,
> etc, and animate it to the main screen after a short delay.
> [snip]
> Any suggestions what I could be doing wrong?
Do this in your root view controller's -viewWillAppear: method. You also
need to ensure that it only happens onc
> Ok, I agree that the selector is unknown, but we know from the
> previous line that the target responds to it. So I'd like to
> prevent this particular warning. I'm sure I ought to know how
> do do this, but how do I go about removing this warning message?
> Ideally, I'd like to do this on a file
> If anyone knows how to solve this problem, please show me your guidance.
>From some work I did earlier this year for a client, UIImagePickerController
needs to be presented modally or in a UIPopoverController. It also doesn't
handle being a root view controller very well (window.rootViewControll
FWIW: UIView sets the delegate of its CALayer to itself - one of the things
that it appears to do is to disable any implicit animations. If you add your
own CALayer to a UIView's CALayer, then you're in full control. As already
pointed out, it's easier using one of the UIView animation class method
Dave,
> I have a few questions about rendering PDFs and wondered if
> anyone here could help.
In my open source iOS PDF viewer (https://github.com/vfr/Reader) I employ
two techniques:
1) Show a low resolution image of the page below the CATiledLayer-based
zoom-able page view. These low resolutio
I would suspect that the UIImageView's autoresizingMask might be the culprit
- if it isn't UIViewAutoresizingNone, then the frame may be resizing itself
when rotated. Sometimes it is less trouble to create your own
UITableViewCell subclass and have full control over your subviews instead of
trying
Presuming that the firstgen iPod touch has iOS 3.x on it, it is probably
crashing here:
> self.window.rootViewController = self.tabBarController;
Since rootViewController was introduced to UIWindow in iOS 4.0. Pre-iOS 4.0
you need to use (from what I recall):
[self.window addSubview:self.tabBarC
Check self.thumbImageView.contentMode - it's probably the default
UIViewContentModeScaleToFill (should be UIViewContentModeCenter). Also
ensure that the UIImage that you provide really has square dimensions. I had
the exact same issue when rotating the UIImageView of a UIButton...
> I have a UIIma
o then this is an interesting example of using memory to simplify program
logic.
Julius
http://juliuspaintings.co.uk
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>> At the moment that the operations are queued, there are some operations
in the queue not yet run, and some running. The code that creates the
operations doesn't know which ones are needed more urgently (the latest
ones), so it can only assign a high priority to all of them, so they all end
up wi
> Normally I'd set up a timer to fire in a minute, set up an
NSBlockOperation,
> and let it go. When it finishes, I'd repeat the process. But I don't see
any
> way to adjust the priority of an NSOperationQueue.
NSBlockOperation inherits from NSOperation so you should be able to
-setQueuePriority:
Have a look at +attemptRotationToDeviceOrientation in iOS 5:
http://developer.apple.com/library/ios/documentation/uikit/reference/UIViewC
ontroller_Class/Reference/Reference.html#//apple_ref/occ/clm/UIViewControlle
r/attemptRotationToDeviceOrientation
> is the official or unofficial way to force
> leak:
> Malloc 48 bytes per incident
> libsystem_c.dylib
> studup
https://devforums.apple.com/message/630695#640345
Known bug in iOS 5.1
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Have you looked into using UIApplication's
-beginBackgroundTaskWithExpirationHandler: in the UIApplicationDelegate's
-applicationDidEnterBackground: to give you some background run time to
finish the loop?
> My biggest problem is this: My game runs in a tight loop. When I get
applicationWillRes
> On iOS, NSOperationQueue doesn't use GCD at all.
Actually, posts by Apple people in the Developer Forums and the
documentation differs on this:
http://developer.apple.com/library/ios/#documentation/Cocoa/Reference/NSOper
ationQueue_class/Reference/Reference.html
"Note: In iOS 4 and later, oper
You need to implement the -viewForZoomingInScrollView: UIScrollViewDelegate
method and return the image view.
Please have a look at Apple's ScrollViewSuite sample code:
http://developer.apple.com/library/ios/#samplecode/ScrollViewSuite/Introduct
ion/Intro.html
> I just added this:
> [scrollVi
ter
> suited.
I would use one of the application delegate methods such as the one suggested
by Lee Ann Rucker and display the pop-up window from inside it.
Best wishes
Julius
http://juliuspaintings.co.uk
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ww.cocoadev.com/index.pl?DocumentBasedAppOpenLastFileonStartup
and
http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/NSApplicationDelegate_Protocol/Reference/Reference.html
Hope this helps.
Julius
http://juliuspaintings.co.uk
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> I'm looking at popovers. I'm wondering if there is any way that I'm
overlooking to make popovers modal.
The UIViewController that you present in the popover has a property named
modalInPopover:
"The default value of this property is NO. Setting it to YES causes an
owning popover controller to d
d tried so far this layered and managed approach looks
>beautifully structured and versatile.
Best wishes
Julius
http://juliuspaintings.co.uk
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On 8 Aug 2011, at 13:23, Graham Cox wrote:
>
> On 08/08/2011, at 9:35 PM, julius wrote:
>
>> When I go and drag the resize handle to make the window as small as I can
>> make it, i.e. so the window's content rect has zero height then the view
>> misbehaves,
the title bar
to being 0 pixels below it!
Amazing.
Must have done something to my machine then: Mac Pro, OS X 10.6.8 XCode 3.2.6
thanks for your efforts
I was going to put a constraint on window size anyway but now that is essential.
best wishes
Julius
http://juliuspaintings.co.uk
__
On 8 Aug 2011, at 01:46, Graham Cox wrote:
>
> On 08/08/2011, at 5:52 AM, julius wrote:
>
>> - (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
>
>
> I didn't notice first time through that this is where your code resides
> (sometimes
On 7 Aug 2011, at 21:30, Kyle Sluder wrote:
> On Sun, Aug 7, 2011 at 1:05 PM, julius wrote:
>> It is not a problem with the layers.
>> I get exactly the same behaviour if I leave out all the layer stuff and
>> instead code the following in the view
>
> Meaning, yo
raham
It is not a problem with the layers.
I get exactly the same behaviour if I leave out all the layer stuff and instead
code the following in the view
- (void)drawRect:(NSRect)dirtyRect {
[[NSColor blackColor]set];
[NSBezierPath fillRect:[self bounds]]
:YES];
self.myViewObj.layer.backgroundColor =
CGColorCreateGenericRGB(0.0,0.0,0.0,1.0);
}
Julius
http://juliuspaintings.co.uk
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window is resized the right hand side of the view will have moved to
the right.
Again the left border is unaffected.
XCode 3.2.6 OSX 10.6.8
Julius
http://juliuspaintings.co.uk
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On 6 Aug 2011, at 13:23, Ron Fleckner wrote:
>
> On 06/08/2011, at 9:00 PM, julius wrote:
>
>> The need for the child window to have a minimum alpha of 0.05 in order for
>> it to receive mouse events has an acceptably small effect on the movie's
>> colour.
&g
On 5 Aug 2011, at 16:04, douglas welton wrote:
> Julius,
>
> QTMovieLayer is your friend. If you haven't already, check out the Core
> Animation QuickTime Layer sample code. I think you'll find it very helpful.
>
> regards,
>
> douglas
>
>
Dou
nt window
>
Hi Mike
thanks.
I'll take a good look at both of these.
Best wishes
Julius
http://juliuspaintings.co.uk
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e *)image
Some discussions on various forums circa 2008, suggest the method had been used
successfully in the past but it's not worked for me.
XCode seems not to recognise it.
Is the method no longer extant?
Should I look to try another approach e.g. Core Video?
I use XCode
On 31 May 2011, at 10:00, Alejandro Rodríguez wrote:
> Hey Julius,
>
> The reason for using NSUInteger on such a high level framework as Cocoa may
> not seem relevant but for the sake of completeness let me go down a road less
> explored by many of the other answers. I think u
On 30 May 2011, at 22:34, Quincey Morris wrote:
> On May 30, 2011, at 13:45, julius wrote:
>
>> Hilarity and riot.
>
> Glad to have been of service.
>
>> Here is a nice instance that I think quite germane.
>>
>> The input parameter to NSArray's ob
On 30 May 2011, at 21:56, Dave Zarzycki wrote:
> On May 30, 2011, at 1:45 PM, julius wrote:
>
>>
>> On 30 May 2011, at 20:03,Quincey Morris wrote
>>>
>>> On May 30, 2011, at 08:27, julius wrote:
>>>
>>>> All I had hoped was that someon
On 30 May 2011, at 20:03,Quincey Morris wrote
>
> On May 30, 2011, at 08:27, julius wrote:
>
>> All I had hoped was that someone on this list might illuminate the issue
>> more than has happened so far.
>
> The problem isn't really lack of illumination, bu
On 30 May 2011, at 16:40, Roland King wrote:
>
> On 30-May-2011, at 11:05 PM, julius wrote:
>
>>
>> On 30 May 2011, at 15:52, Roland King wrote
>>>
>>> On 30-May-2011, at 9:18 PM, julius wrote:
>>>
>>>>
>>>&g
On 30 May 2011, at 16:02, Graham Cox wrote:
>
> On 31/05/2011, at 12:03 AM, julius wrote:
>
>> has the potential to create problems if it skips one's mind
>
> Well, so does almost anything in life. Coding's no different.
>
>> Of course I find decision
On 30 May 2011, Graham Cox wrote
>
> On 30/05/2011, at 9:03 PM, julius wrote:
>
>> Why did Cocoa developers make the count method return NSUInteger?
>
>
> Because you can't have negative numbers of elements in an array.
>
> It's that simple.
Yes bu
On 30 May 2011, Graham Cox wrote
>
> On 30/05/2011, at 9:03 PM, julius wrote:
>
>> Why did Cocoa developers make the count method return NSUInteger?
>
>
> Because you can't have negative numbers of elements in an array.
>
> It's that simple.
Yes bu
intuitive result.
> They used the datatype which maps onto the thing they are describing, array
> elements are non-negative integers, so they used NSUInteger.
>
So are you saying that the designers made this decision solely because of a
particular interpretation of dogma?
Julius
f(x < ([ary count] - 3)) does not.
So was it really just because the number of array elements is never -3 that the
Cocoa developers decided to make NSArray count return type NSUInteger?
Julius
http://juliuspaintings.co.uk
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have chosen to do this?
Julius
==
Here to satisfy possible curiosity is my test code snippet and results
NSMutableArray * zAry = [[NSMutableArray alloc]init];
for(NSInteger i = 0; i < 7; i++) {
[zAry addObject:@"obj"];
}
nning. The main thread has a running
> runloop; use the main thread.
>
Thanks
Julius
http://juliuspaintings.co.uk
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tion:
1. Why do they not get called?
2. How does one create a situation where they do get called?
Thanks in advance
Julius
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t were 1st responder and in the key window. Whether that was the "correct"
answer I have no way of knowing but it seemed to work in this instance.
all the best
Julius
--
http://juliuspaintings.co.uk
I'm looking for comments re: h
On 21 Jun 2010, at 15:47, Michael Babin wrote:
>
> On Jun 21, 2010, at 7:06 AM, julius wrote:
>
>> Inside MyControl define three pointers of type CGFloat , e.g CGFloat *
>> mem1, mem2, mem3;
>> and declare them as @property GFloat * mem1; etc with corresponding
ollectable that is
causing the problem.
Que passa?
What am I doing wrong ?
Julius
--
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d error, add
it all together and that must make for thousands of hours lost repeating the
same thing over and over again. Reminds me of Einstein's definition of
insanity.
thanks
Julius
--
http://juliuspaintings.co.uk
I'm looking fo
On 31 May 2010, at 10:23, Ken Thomases wrote:
> On May 31, 2010, at 4:06 AM, Jean-Daniel Dupas wrote:
>
>> Le 31 mai 2010 à 10:53, julius a écrit :
>>
>>> and which onto NSMacSimpleTextDocumentType ?
>>
>> In 3 major releases Apple didn't manage
ources are in /Developer/Examples/
>
> -- Jean-Daniel
That's where I got my copy from.
Can you perhaps tell me which UTI maps onto NSPlainTextDocumentType
and which onto NSMacSimpleTextDocumentType ?
Thanks
Julius
--
http://ju
On 31 May 2010, at 01:42, John Joyce wrote:
>
> On May 30, 2010, at 5:15 PM, julius wrote:
>
>> John hi
>> On 30 May 2010, at 19:47, John Joyce wrote:
>>
>>> That's not how these constants work.
>>> These are intended to be constants that ret
Ken hi,
thanks for responding.
On 30 May 2010, at 20:21, Ken Thomases wrote:
> On May 30, 2010, at 1:04 PM, julius wrote:
>
>> unless of course there's a way of specifying the constants for
>> NSAttributedString using the kUTTypes that I've not found yet
>
&g
mentTypeDocumentAttribute?
Thanks
Julius
http://juliuspaintings.co.uk
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cumentType
NSDocFormatTextDocumentType
NSWordMLTextDocumentType
NSOfficeOpenXMLTextDocumentType
NSOpenDocumentTextDocumentType
unless of course there's a way of specifying the constants for
NSAttributedString using the kUTTypes that I've not found yet
Thanks again
Julius
On 30 May
romRange:zRange
documentAttributes:zDict
error:outError];
Julius
On 30 May 2010, at 17:29, Kyle Sluder wrote:
> On Sun, May 30, 2010 at 9:22 AM, julius wrote:
>> I'm ha
reference tells me the system defined UTI strings and i can use the
mdls command in the terminal to find the UTI of a given file but so far I have
found nothing to tell me which of these UTI strings maps onto which of the
Document Type strings I'm looking for.
On 19 Jan 2009, at 16:17, mmalc Crawford wrote:
On Jan 19, 2009, at 6:10 AM, julius wrote:
I too followed up on the example link which took me to the top of
the NSDecimalNumber Class reference document. Scrolling down the
first thing I came accross under Tasks was "Creating a De
ttp://cocoawithlove.com/2008/05/square-root-numerical-fun-with.html
says "Sadly, NSDecimalNumber does not appear to be written for the
mathematically or scientifically inclined. Its operators are mostly
limited to basic arithmetic".
One of those imponderable mysteries I guess. But s
pointer arithmetic.
Finally I was advised to avoid premature optimisation and bit packing.
So my thanks to you all.
I return to the fray with mind much eased.
Thanks again
Julius
http://juliuspaintings.co.uk
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Keit hi,
On 12 Jan 2009, at 22:51, Schultz Keith J. wrote:
Hi Julius,
If I understand your problem correctly you are:
1) processing a very large amount of intergers
2) using highly optimized code that is:
a) you are manipulating the data directly via pointers
bers into
NSArray etc. Would not using it as the main representation seriously
affect computation speed ? What are other people doing?
If you have any good links or advice they'd be much appreciated.
Thanks
Julius
http://juliuspaintings.co.uk
perimentation is the only way.
best wishes
Julius
http://juliuspaintings.co.uk
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2 x 8-bit byte integers to save to
disk, should I now think that this will be saved as 100MB by 64 bit
(i.e. 8 x 8-bit byte) integers?
If it is 100MB by 64 bit integers then should I think of compressing
the data so as to reduce bandwidth requirements?
Thanks
Jul
nt/005-NSTextView.pl
is a highly pared down NSTextView example I adapted from
http://hayne.net/MacDev/TestKeyDownEvent/
Hope it helps
Julius
http://juliuspaintings.co.uk
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ssume that knowing how to do this would help me do the same thing
if I substituted a Custom NSView for the button, i.e. that I would be
able to get the associated view's id when a MyElemObject gets created.
Thanking you in advance
Julius
http://julius
On 29 Jul 2008, at 03:35, julius <[EMAIL PROTECTED]> wrote
Subject: Re: [Newbie] Communication between two Views?
To: "Thomas Wickl" <[EMAIL PROTECTED]>
Cc: cocoa-dev@lists.apple.com
On 28 Jul 2008, at 16:39, "Thomas Wickl" <[EMAIL PROTECTED]> wrote
S
fications can be
found here. (this part of the site is still under construction so
kindly excuse glitches)
http://juliuspaintings.co.uk/cgi-bin/paint_css/animatedPaint/017-Comunicate-Two-Views.pl
Julius
http://juliuspaintings.co.uk
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uk/cgi-bin/paint_css/animatedPaint/animatedPaint.pl
best wishes
Julius
http://juliuspaintings.co.uk
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Kyle Hi
On 25 Jul 2008, at 18:49, Kyle Sluder wrote:
On Fri, Jul 25, 2008 at 1:38 PM, julius
<[EMAIL PROTECTED]> wrote:
I want to defer loading a window/panel plus controller and related
code by
using bundles.
Do you really not want to include the code inside your executable?
Bundl
ode 3 specific documentation I should be
looking at?
Any help or advice would be invaluable as I'm on the point of
abandoning the attempt.
Thanks
Julius
http://juliuspaintings.co.uk
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Ple
elp menu in Xcode. The former does a text search
the later a definition/api search without you having to change search
type.
What a fantastic, out of the blue piece of information!
How could we ever hope to index our documentation in a way that gave
results such as this?
I must stop following t
On 23 May 2008, at 14:14, Steve Weller wrote:
On May 23, 2008, at 5:56 AM, Julius Guzy wrote:
I have done no analysis of what my learning problems were because
I failed to keep a log. All I have to go on so far are vague
memories of frustration with Interface Builder primarily but that
On 22 May 2008, at 23:19, Scott Anguish wrote:
On May 22, 2008, at 10:39 AM, Julius Guzy wrote:
On 22 May 2008, at 4:55, David Casseres wrote:
That's a really good idea, your wiki-that's-more-than-a-wiki.
You're in charge!
8^{)
Ha Ha
But just as a matter of interest
emonstrate some kind of a
consensus
and then thrash out a suitable format and mechanism within the group?
Julius
On May 19, 2008, at 5:31 AM, Julius Guzy wrote:
Well I never thought I would cause this much discussion.
I have tried but do not have the time needed to reply to all.
I might stil
On 22 May 2008, at 1:52, Jack Repenning wrote:
On May 21, 2008, at 5:38 PM, Julius Guzy wrote:
Actually the idea was to include a text box at the end of each
section where people could post queries regarding that section,
e.g. questions about something they did not understand or
On 22 May 2008, at 1:43, Shawn Erickson wrote:
On Wed, May 21, 2008 at 5:38 PM, Julius Guzy
<[EMAIL PROTECTED]> wrote:
I suggested some time back (A documetation suggestion 19 May 2008
13:31:30)
but no one took me up on it, the idea of seeing if Apple would so
to speak
"donate
this list
6. The context of the question and the reply is that much more clear
7. It could result in a pretty good piece of documentation.
I thought i would just throw the idea into the ring again
all the best
Julius
http://juliuspaintings.co.uk
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self help community.
9. It could result in a pretty good piece of documentation.
It is just a thought
must rush
Julius
http://juliuspaintings.co.uk
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To be absolutely clear: I think anyone able to navigate the
intricacies of Cocoa et al must be a pretty savvy programmer.
Julius
http://juliuspaintings.co.uk
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On 19 May 2008, at 2:34, Jens Alfke wrote:
On 18 May '08, at 6:15 PM, Julius Guzy wrote:
I do not think it naive of me to raise serious questions regarding
usability given that i have made huge and increasingly successful
efforts to get into this system so I can do some heavy
On 19 May 2008, at 1:56, David Wilson wrote:
On Sun, May 18, 2008 at 8:41 PM, Julius Guzy
<[EMAIL PROTECTED]> wrote:
Well, there is a problems with the documentation and if it does
not get
resolved then people will end up unable to write the code. I mean
what is
the point in l
On 18 May 2008, at 17:41, Jens Alfke wrote:
On 18 May '08, at 4:33 AM, Julius Guzy wrote:
Apple has been less celebrated for the humanity of its programming
interface having, in my experience of Macs from the Lisa onwards,
seemingly taken the attitude that its programmers were hobb
n people will end up unable to write the code. I mean
what is the point in loosing people who actually want to program this
machine and are willing to put oodles of effort into doing it?
Julius
http://juliuspaintings.co.uk
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use there are limits to the complexity we can handle.
It is expensive because the design of good HCI is primarily an
empirical activity centered on user testing.
The question is then whether we and possibly apple should do anything
about it.
Julius
http://juliuspaintings.co.uk
_
tion
through coercion viz:
int tempVar = (int)[idValue methodIdentifier:(float)param];
This does not work but what is wrong with this line of reasoning and/
or why could the system not make use of coercion as part of a dynamic
typing mechanism?
Thanks again
Julius
http://juliuspaintings.co.u
CallingClass* callingObj= [[CallingClass
alloc]init];
[callingObj callPrintConstFloat:atcObj];
[atcObj printFloat:88.88];
}
[Session started at 2008-05-17 00:33:01 +0100.]
2008-05-17 00:33:01.988 testDynamicBinding[2436:10b] 99.990
2008-05
are passing object ids these will eventually need to be resolved so
that brings us back to square one..
Help!!!
P.S.
Does this problem of mine qualify as an example of the difficulties
in learning cocoa recently discussed on this list?
Julius
http://juliuspaintings.co.uk
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BLE = YES
Under Configurations
Debug
Release
Is this information sufficient?
Thanks
Julius
http://juliuspaintings.co.uk
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Co
ointer to a method that tries to printout the pointer as an int
rather than the intended uchar value.
On May 14, 2008, at 7:19 PM, Julius Guzy wrote:
- (void) callPrintConstUnsignedCharRef:(id)pId;
{
unsigned char * tvarUnsignedChar= 123;
[pId printUnsignedCharRef:&t
n Programming in Objective-C, that's clear and
nice and easy to grasp, at least for me.
That book saved my life. Also the Scott Anguish et al Cocoa
Programming, and the Programming with Quartz book that's pretty good
stuff too. So there might be stylistic things at work here.
The q
st the "tearing one's hair out by the roots"
rage and frustration
Julius
http://juliuspaintings.co.uk
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:10:16.672 testDynamicBinding[1311:10b] AnonTargetClass
printUnsignedCharRef =123
2008-05-15 02:10:16.672 testDynamicBinding[1311:10b] AnonTargetClass
printUnsignedCharRef =255
2008-05-15 02:10:16.673 testDynamicBinding[1311:10b] End calling the
methods dynamically
Thanks
Julius
http://juliu
send you right back to square one.
All this said, cocoa and Objective-C is beautiful. I just wish it
were easier to learn.
Julius
http://juliuspaintings.co.uk
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to make this more clear:
http://www.mygnu.com/julius/temp/SFBug.mov
Has anyone an idea , why this is happening and how I can fix it?
BTW: its a quicksilver interface called "silverflow", already available as
beta on my website www.jeckert.net.tc , freeware
Thanks in advan
Hi,
my application pops up and becomes keywindow when a hotkey is pressed.
when the hotkey is pressed i do:
[NSApp activateIgnoringOtherApps:true];
and
[[self window] makeKeyAndOrderFront:self];
this works fine but the behaviour is that the current applications window
looses its focus. i wa
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