Hello,
I have a base object that needs to know when any of it's properties or
subclasses properties have changed and set a dirty flag on itself. Is
there a way to do this?
thx
AC
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12:27 PM, Jens Alfke wrote:
On Sep 3, 2009, at 8:24 AM, Alexander Cohen wrote:
I have a base object that needs to know when any of it's properties
or subclasses properties have changed and set a dirty flag on
itself. Is there a way to do this?
No, not in general. Key-value observin
to set.
thx
AC
On Sep 3, 2009, at 2:43 PM, Jens Alfke wrote:
On Sep 3, 2009, at 11:32 AM, Alexander Cohen wrote:
Ok, thats what i thought. But just for implementation ideas, how
does CoreData know when one of it's @dynamic properties is changed?
It must set some sort of flag somewhe
n Sep 3, 2009, at 8:24 AM, Alexander Cohen wrote:
I have a base object that needs to know when any of it's properties
or subclasses properties have changed and set a dirty flag on
itself. Is there a way to do this?
No, not in general. Key-value observing requires knowing the exact
property name(s)
On Sep 3, 2009, at 3:44 PM, Quincey Morris wrote:
On Sep 3, 2009, at 12:14, Alexander Cohen wrote:
Ah, ok, this is more like what i wanted to hear! :) I understand
how @dynamic works, but how to I get to funnel all calls to
@dynamic properties to the same call such as setValue:forKey: or
Hi,
I'm working with and SDK that lets me observe objects. When the state
of the object changes i receive a callback. The docs for the SDK say
that the main NSRunLoop needs to stay active and responsive for me to
receive the callbacks. Now, i would like to be able to wait for that
callbac
On Oct 27, 2009, at 2:04 PM, Jens Alfke wrote:
On Oct 27, 2009, at 10:40 AM, Alexander Cohen wrote:
Now, i would like to be able to wait for that callback on the main
thread like this:
[object addObserverForCallback]
... wait for callback ...
continue on processing with the state of the
On Oct 27, 2009, at 3:42 PM, Jens Alfke wrote:
On Oct 27, 2009, at 12:11 PM, Alexander Cohen wrote:
100% agree with you, and that's what i would normally do. But
unfortunately, this time i must wait in the mainthread for the
callback. I know it's wrong, but this time i'
Hello,
Has anyone created a grammar file for Ruby for use with TDParseKit.
Seems like thats pretty much the best option out there ( it rocks ),
but i'd rather check for a grammar file before i start a new one.
thx
AC
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How would one go about encoding a CGColorRef into a NSCoder?
thx
AC
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Hello,
I would like to use an NSAttributed string in order to render a type of
key/value 2 column display in a NSTextField. As of now, i'm using tabs between
key's and value's on each line but some values need to wrap to the next line
and i would like them to wrap to the start of value column a
Hello,
I have a view in an NSScrollView's document view that has a small child window
attached to it, meaning the window follows that view wherever it goes. But when
i scroll the scrollview, not much changes for that view. So i'm wondering if
there is anyway to get changes to a views "global" f
Wow, nice to know. Probably not a good idea to count on it though, right?
AC
On Jun 23, 2010, at 3:38 PM, Michael Ash wrote:
> On Wed, Jun 23, 2010 at 1:33 PM, Alexander Cohen
> wrote:
>> Hello,
>>
>> I have a view in an NSScrollView's document view that has a sm
Hello,
I need to find the system Application Support folder without using either
Carbon or Cocoa, i can use CoreFoundation though. Is there a way to do this?
thx
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Beautiful, thank you.
AC
On Jul 12, 2010, at 4:21 PM, Kevin Perry wrote:
> You can use the C API in /usr/include/NSSystemDirectories.h.
>
> On Jul 12, 2010, at 1:17 PM, Alexander Cohen wrote:
>
>> Hello,
>>
>> I need to find the system Application Suppo
Hello,
Is there a way for a subclass to override every method of its superclass?
thx
AC
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Hello,
Is there anyway to do interprocess locks using cocoa ( like a Mutex in Win32 )?
The best i've found is not cocoa and uses flock but the man pages say its
advisory only which is kindof scary.
any help appreciated.
thx
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Cocoa-dev mailing
M, Michael Babin wrote:
> On Feb 19, 2011, at 12:29 PM, Alexander Cohen wrote:
>
>> Is there anyway to do interprocess locks using cocoa ( like a Mutex in Win32
>> )? The best i've found is not cocoa and uses flock but the man pages say its
>> advisory only which
Hi,
I've come upon a problem i can't seem to get my head around. I have a view that
has a rotation transform on it and i need to be able to pull at one of it's
corners and scale the view based on the amount pulled. I also need to keep the
opposite corner of the pulled corner pinned to it's loca
Hello,
How should i go about creating a NSDate object from a julian date
NSTimeInterval.
thx
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Is there any way in cocoa to get some sort of notifications when any process
opens or closes any file? The reason i need this is because i need to watch the
system and do a certain task every time a particular dylib is loaded by an
application.
thx
AC___
> On Feb 3, 2010, at 1:50 PM, Alexander Cohen wrote:
>
>> Is there any way in cocoa to get some sort of notifications when any process
>> opens or closes any file?
>
> I'm pretty sure there isn't. The rate at which those notifications were sent
> would be pretty h
Unfortunately, the files i need to watch could be anywhere on the system. So i
would need something more like a filename only watch and not a complete path.
AC
On Feb 3, 2010, at 6:15 PM, Jerry Krinock wrote:
>
> On 2010 Feb 03, at 14:28, Jens Alfke wrote:
>
>> FSEvents notifies you when a pa
Hello,
I've got a very simple launch Agent that always shows up as not-responding in
the activity monitor on 10.4 and 10.5 This is issue does not happen on 10.6.
The app is very simple and does not do much. It has no UI but does link against
Carbon since it uses GetNextProcess. It has 2 threads
Hi,
I need to take an NSImage, scale it down a bit while drawing it into an new
NSImage and all along keep all the metadata associated with the original image
( such as the color profile, etc, ... ). Are there any example out there that
show how to do this.
I've tried creating a new NSImage of
Hi,
I've got a lot of code that depends on 10.6's use of NSView's animator and
setAlphaValue for showing and hiding animations. Now, i need to bring this to
10.5. On 10.5, to animate the alphaValue, i learnt that the NSView needs to be
backed by a layer. I tried doing that and it created mayhem
Hi,
I have a cocoa app that uses a library which uses CFSockets. Those sockets run
loop sources are added to all known run loop modes ( common, default, event
tracking and modal ). I would expect that the socket callbacks would fire
during menu tracking but they dont. Is this a know issues, by
Hello,
I'm about to make a change in the Major version of a framework ( new version
will be B ). I've read through the docs and all but i'm not sure i understand
how to set it up so i keep version A in my build but also build the new version
B.
Has anyone done this and what should i do? Should
to rev the major version.
AC
On Oct 18, 2010, at 8:12 PM, Nick Zitzmann wrote:
>
> On Oct 18, 2010, at 4:50 PM, Alexander Cohen wrote:
>
>> I'm about to make a change in the Major version of a framework ( new version
>> will be B ). I've read through the docs and
Hi,
I have a specific layout that has known font sizes for certain page dimensions.
I need to take that layout and resize it to fit it in multiple different places
in my app. I can't just apply that resize ratio to the fonts, it just does not
work. Is there a known way in cocoa to figure out th
Thats an interesting take, let me try that.
thx
AC
On Oct 26, 2010, at 11:07 AM, Ross Carter wrote:
> On Oct 26, 2010, at 10:29 AM, Alexander Cohen wrote:
>
>> I have a specific layout that has known font sizes for certain page
>> dimensions. I need to take that layout an
Has anyone tried getting the NSScrollView to bounce around when it hits the
content edges just like the UIScrollView does? Is there any open source code
out there that might do this or at least point me in the right direction?
thx
AC___
Cocoa-dev mai
On Nov 6, 2010, at 7:02 PM, Kyle Sluder wrote:
> On Nov 6, 2010, at 3:41 PM, Alexander Cohen wrote:
>
>> Has anyone tried getting the NSScrollView to bounce around when it hits the
>> content edges just like the UIScrollView does? Is there any open source code
>> out
Does anyone have any pointers on localizing a cmd line app? Like how can i have
different Localizable.strings for different languages in the cmd line app? I
know i could use a bundle specifically for this but that seems like a bit too
much.
thx
AC___
On May 28, 2008, at 11:08 AM, Jens Alfke wrote:
On 28 May '08, at 1:04 AM, Steve Harrison wrote:
On another thread on the Apple Mailing Lists, Alexander Cohen said
that there is an API in Leopard for CoverFlow (see archived post
here: "http://www.cocoabuilder.com/archive/mes
Is there a way to change the locale from cocoa as if i was to go into
System Preferences and change the language then the format?
thx
AC
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2008, at 8:05 AM, Alexander Cohen wrote:
Is there a way to change the locale from cocoa as if i was to go
into System Preferences and change the language then the format?
thx
AC
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On Jun 10, 2008, at 8:50 PM, Douglas Davidson wrote:
On Jun 10, 2008, at 5:42 PM, Alexander Cohen wrote:
Thats what i though but here is my problem, and i'm sure im not the
only who has it. I am currently working on localizing apps for
mulitple languages. I would like to have an eas
Is there an API that can be used to transfer files to a MobileMe iDisk?
thx
AC
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Does it support WebDAV?
AC
On Jul 16, 2008, at 5:21 PM, glenn andreas wrote:
On Jul 16, 2008, at 4:16 PM, Alexander Cohen wrote:
Is there an API that can be used to transfer files to a MobileMe
iDisk?
thx
There use to be - the "dot Mac" SDK provided that sort of thing.
On Jul 16, 2008, at 6:08 PM, Nick Zitzmann wrote:
On Jul 16, 2008, at 3:16 PM, Alexander Cohen wrote:
Is there an API that can be used to transfer files to a MobileMe
iDisk?
Yes, but as others have mentioned, the DotMacKit framework hasn't
been updated in years, is obsolete,
Is there a way to use a url request to open mail with all its fields
completed but most importantly, contain an image attachement?
thx
AC
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Hi,
Whats the best way to get an NSString from a wstring?
thanks
AC
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thx, works like a charm.
AC
On 4-Mar-08, at 12:49 PM, [EMAIL PROTECTED] wrote:
On 4 Mar 2008, at 18:43, Alexander Cohen wrote:
Hi,
Whats the best way to get an NSString from a wstring?
This is what I do:
@interface NSString (wstring_additions)
+(NSString*) stringWithwstring:(const std
Is there any way to be notified when my app is running low on memory?
My app is very memory intensive and needs to have a lot of images in
memory at the same time, id like to be able to clear some cache if
memory gets too low.
thx
AC
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th experimenting
with. It might be telling you about physical RAM, not process
address space, which are both interesting but have different failure
modes (VM thrashing, failures in malloc).
Nick Zitzmann wrote:
On Mar 12, 2008, at 11:40 AM, Alexander Cohen wrote:
Is there any way to be
Hi, i have a server and client communication through DO. Connections
are all set up then the client send a message to the server with
itself as the first argument. The server should then just reply right
away to the client using the first argument as the proxy. Problem is,
im getting the er
Sorry for the off-topic post but this is the best place to get info
( lots of smart people ).
I have a string that is composed unicode characters. I want to be able
to transform that string into all ascii characters by transforming all
non-ascii characters into their ascii equivalent.
ex:
Whats the best way in cocoa to get a list of users on a machine for
10.4 and up?
thx
AC
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I have an NSString that contains this Unicode character: '\u00e9'. I
have another app that represents the same character as 'e\u0301'. Is
there any way to transform one to the other so that isEqualToString
returns YES?
thx
AC
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Just noticed that by using the NOrmalize functions i can get what i
need.
thx
AC
On Apr 16, 2008, at 11:43 AM, Alexander Cohen wrote:
I have an NSString that contains this Unicode character: '\u00e9'. I
have another app that represents the same character as 'e\u0301'
Hi, i have a class that contains an NSDictionary. That dictionary is
encoded in encodeWithCoder:. Once in a while, a user might put in
something liek a CGColorSpaceRef or something similar and everything
stops working. Is there a way to find out if bjects in the dictionary
can actually be e
Hi, i have a class that contains an NSDictionary. That dictionary is
encoded in encodeWithCoder:. Once in a while, a user might put in
something liek a CGColorSpaceRef or something similar and everything
stops working. Is there a way to find out if bjects in the dictionary
can actually be e
Hi,
Is there a way to get notified of when a scrollView begins and ends a
scrolling session?
thx
AC
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Hi,
Not sure if this is the right place to ask since my question is about
CFRunLoop, not Cocoa but CoreFoundation. If not, please direct me to
the right list.
I'm looking for a way to get the main CFRunLoop on tiger. On leopard,
there is a simple call for it but i'm stuck with tiger for n
Le 13 févr. 09 à 21:54, Alexander Cohen a écrit :
Hi,
Not sure if this is the right place to ask since my question is
about CFRunLoop, not Cocoa but CoreFoundation. If not, please
direct me to the right list.
I'm looking for a way to get the main CFRunLoop on tiger. On
le
Hi,
I have a window controller that i'm creating dynamically in the
applicationDidFinishLaunching: app delegate notification. In this
window controllers windowDidLoad:, i'm adding subviews to it's content
view. When i create it then call showWindow: on it, the window shows
up on screen wi
Hi,
I have a window controller that i'm creating dynamically in the
applicationDidFinishLaunching: app delegate notification. In this
window controllers windowDidLoad:, i'm adding subviews to it's content
view. When i create it then call showWindow: on it, the window shows
up on screen wi
You are absolutely right. thank you.
AC
On Nov 18, 2008, at 6:33 PM, Michael Ash wrote:
On Tue, Nov 18, 2008 at 4:15 PM, Alexander Cohen <[EMAIL PROTECTED]
> wrote:
Hi,
I have a window controller that i'm creating dynamically in the
applicationDidFinishLaunching: app delegate n
Hi,
Is there a callback available when the display profile is changed by
the user or programmatically? Also, is there a calllabck available
when the user drags a window between different screens?
thx
AC
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Excellent. I did read the docs but i guess i stopped reading before
the end of the page.
thx
AC
On Nov 19, 2008, at 10:24 AM, Etienne Guérard wrote:
Did you read the documentation reference for NSWindow?
NSWindowDidChangeScreenNotification
Posted whenever a portion of an NSWindow object's
Hi, Im getting the following line in the console when sending the
'removeObjectsAtArrangedObjectIndexes:' message to an
NSArrayController instance.
-[NSCFArray removeObjectAtIndex:]: mutating method sent to immutable
object
I understand what it means but i'm not sure why it's happening. I
Hi,
I've got a list of objects in an NSArray and i'm currently managing
them with an NSArrayController and a view that is binded to it. Now i
need to be able to show that same view in a new window with the same
content but with possibly different selections and sort descriptors. I
also ne
I have a custom view that pretty much shows an ordered list of items
in a grid ( kindof like iPhoto ). This custom view exposes a content
binding. Items in this grid can be reordered by drag n drop. Then this
occurs, i have an NSIndexSet of selected indexes and a drop index
where i need to
Does anyone know of any libraries that can read microsoft formats
( xls, ppt, doc, etc, ... )? I'd rther not reinent the wheel if
something is already out there.
thx
AC
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rs/footers, comments and lots of other things.
I've tried to find a library that would do that, but failed.
If you do find anything like that (or reinvent it for that
matter ;) ), please, let me know as well.
Timofey
On May 17, 2009, at 10:37 AM, Thomas Davie wrote:
Op 17 May 2009,
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