iences to share, etc etc, with manipulating very large data sets
in CoreData?
Yours, extremely grateful for any advice,
Ian
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LOL - CoreData, not CoteData, you knew what I meant I'm sure!
On 24 Jun 2008, at 01:11, Ian wrote:
Hi all,
I know this has been asked before... I've been searching and
searching and RTFMing so I've seen the paper-trail of askees over
the years...
Anyway, is there a
s obvious I'm sure but great thanks are due for your
suggestions and advice - I may not be a CoreData newbie but I
certainly am rank amateur!
Thanks again to all,
Ian
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bofhcam.org/co-larters/distributing-clue/index.html)
I've seen lots in the usual places (lists.apple.com, cocoabuilder.com
et al) about this but no actual solutions shout out at me. Perhaps I'm
not looking hard enough. (most likely).
Many TIA
Ian
On 1 Jul 2008, at 04:41, Andy Kim wrote:
Hi Ian,
I've got a CoreData object graph with an outline view showing
instances of an NSManagedObject subclass called "Group".
The Group class has the standard to-one relation 'parent' and to-
many 'children'.
Th
y you
have it working in a similar way - what does your
itemForPersistentObject method return?
Many thanks
Ian
Here's what I do:
- (id)outlineView:(NSOutlineView *)ov itemForPersistentObject:
(id)object
{
return [[gAppDelegate library] groupWithUID:object]; // This
fetches the grou
silence on Google and the list archives I'm not
expecting a flood of answers but if the people responsible for this
cool IKImageBrowserView behavior are listening then at least this post
will serve to let them know someone is using and appreciating t
On 10 Jul 2008, at 00:49, thomas goossens wrote:
Hi Ian,
On Jul 10, 2008, at 1:07 AM, Ian wrote:
The grouping feature of IKImageBrowserView seems to be one of the
least documented but most powerful features I've seen in a while.
It is possible to add one or more bezel groups ins
an empty sqlite store:
http://pastie.textmate.org/602152
Thanks for any help,
Ian
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n any cans of worms, a Core Data application
like this seems like a sensible place to use GC. Is that right?
Any illumination will be joyfully received.
Ian.
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way.
Thanks,
Ian.
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eld but I can't figure out what they are!
The Text View is simply used as a place for the user to put any rich
text and or images. Is there a way either to search or to get all of
the plain text out from such a Text View? It's probably a simplistic
question and I rathe
On 17 Oct 2009, at 00:46, Charles Srstka wrote:
On Oct 16, 2009, at 5:42 PM, Ian Piper wrote:
The Text View is simply used as a place for the user to put any
rich text and or images. Is there a way either to search or to get
all of the plain text out from such a Text View? It's proba
On 17 Oct 2009, at 05:18, Jens Alfke wrote:
On Oct 16, 2009, at 3:42 PM, Ian Piper wrote:
The Text View is simply used as a place for the user to put any
rich text and or images. Is there a way either to search or to get
all of the plain text out from such a Text View? It's proba
documentation?
Thanks,
Ian.
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On 18 Oct 2009, at 15:45, I. Savant wrote:
On Oct 17, 2009, at 7:40 PM, Ian Piper wrote:
I have a Core Data entity that has an attribute called charge
(stored as a float). So I am storing a number of records each of
which has a charge. I simply want to be able to show a running
total of
t have bashed my head
against it to the point where I have the phrase "Incompatible types"
in reverse burned onto my forehead. Google was not my friend on this
occasion.
Can anyone guide me out of this black hole?
Thanks,
Ian.
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On 25 Oct 2009, at 20:13, Dave DeLong wrote:
On Oct 25, 2009, at 2:08 PM, Ian Piper wrote:
It also has a method called convertCToF that ... returns the
converted temperature, also as a float.
NSNumber *newTemperatureInF = [testConverter convertCToF]; // This
is where I get the error
t ¿√Ωpˇ
So I am guessing that when I get a float displayed as "inf" this is
not the string it seems to be. Also, it looks like the string value of
whatever is coming back is not something that I can use. Can anyone
suggest how I might handle a test case like this?
Thanks,
Ian
On 26 Oct 2009, at 18:45, Greg Parker wrote:
On Oct 26, 2009, at 11:26 AM, Ian Piper wrote:
So I am guessing that when I get a float displayed as "inf" this is
not the string it seems to be. Also, it looks like the string value
of whatever is coming back is not something that I ca
On 26 Oct 2009, at 19:46, Ken Thomases wrote:
You want STAssertEqualObjects, here. You want to compare for equal
value, not identity, which is what STAssertEquals does.
Greg, Ken,
Thanks, that is what I was looking for. Great help, thank you.
Ian
first 50 or so decimal places. Is this a limitation of
long double that I am running into here?
Should I be using NSDecimal instead to do this kind of calculation? If
so, can anyone point me at a good example of its use as I am
struggling with how to use it?
Thanks,
Ian
On 3 Nov 2009, at 21:22, Greg Guerin wrote:
Ian Piper wrote:
I want to be able to display potentially a large number of decimal
places in the result (hundreds at least).
Explanation and many links to libs:
http://en.wikipedia.org/wiki/Arbitrary-precision_arithmetic
Any lib written in C
I'm clearly misunderstanding something - any guidance would be
appreciated.
Thanks,
Ian.
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Build results errors
Build DailyJournal of project DailyJournal with configuration Debug
CompileC build/DailyJournal.build/Debug/DailyJournal.build/Objects-
norma
On 8 Nov 2009, at 01:47, Ian Piper wrote:
Hi all,
I hope someone can illuminate me.
Erm, I just illuminated myself. First, I was typing AHGoToPage, not
AHGotoPage (though I think my version looks nicer). Second, I hadn't
added the Carbon Framework. Now that I have done both, it
s the best way to do this?
Ian.
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- no code or other changes.
It's a mystery and I wonder if anyone can advise how I can get to the
root cause.
Ian.
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To Jens and Ryan,
Thanks for the pointers - very helpful.
Ian.
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not looking for a complete solution, obviously, but some pointers
or examples to use as a starting point.
Thanks for any guidance you can offer.
Regards,
Ian.
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On 16 Nov 2009, at 01:09, Rob Keniger wrote:
>
> On 16/11/2009, at 4:38 AM, Ian Piper wrote:
>
>> I would appreciate it if someone could point me at an example that I could
>> use as the basis for building a categorized list similar to the mail folders
>> displa
mean that I have to explicitly put the real name of my app (IPNeatApp
in the bogus example above) into the bundle identifier rather than
${PRODUCT_NAME:rfc1034identifier}?
Any illumination gratefully received.
Ian.
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Matthew,
Thanks - that seems a bit clearer. I'm still not clear though what, if any, use
I need to make of the Application ID. From your reply it appears that I don't
use it as a prefix in the bundle identifier after all. Is that right?
Ian.
On 25 Nov 2009, at 04:18, Matthew Mas
nt environments.
Ian
On 3 Sep 2011, at 09:04, koko wrote:
> Just stay away from th e1986 Byte Magazine article describing OOP ... pretty
> funny actually.
>
> -koko
>
> On Sep 2, 2011, at 11:04 AM, Jens Alfke wrote:
>
>>
>> On Sep 1, 2011, at 9:26 PM, Julie
it looks like Windows! I'm sure Apple will come up with a better solution
and things they have done over the last few years with Objective-C (and tagged
pointers in Lion as we have just discussed in the Obj-C group) have been very
nice and simplifying (even for a language based on C). We should n
On 9 Nov 2011, at 22:44, Andreas Grosam wrote:
>
> On Nov 9, 2011, at 12:11 PM, Karl Goiser wrote:
>
>> Your first option looks better to me!
>> :-)
>>
>> All I’m saying is that Objective C is a very mature language now
> Depending on your perspective, you can say this for many languages. But o
On 10 Nov 2011, at 21:13, Karl Goiser wrote:
>
> On 10/11/2011, at 12:04 PM, Ian Joyner wrote:
>
>> It's the old I have a hammer so everything looks like a nail, but in C++'s
>> case it's I have a programming language, so everything gets put in that. We
On 10 Nov 2011, at 21:22, Andreas Grosam wrote:
>
> On Nov 10, 2011, at 2:04 AM, Ian Joyner wrote:
>
>
> So, in other words, you prefer "polymorphic runtime resolved" symbols over
> "compile-time resolved symbols" (like in C++).
Not saying that at all,
You are probably looking for something like Dahm locks (invented by Dave Dahm
on the Burroughs B5000 in the 1960s). Here is a long paper on locks including
this origin:
http://pages.cs.wisc.edu/~remzi/OSFEP/threads-locks.pdf
Here is an idea of the ALGOL define for acquire:
DEFINE
ACQUIRELOCK
On 11 Dec 2011, at 01:50, Scott Ribe wrote:
> On Dec 9, 2011, at 4:48 PM, Ian Joyner wrote:
>
>> You are probably looking for something like Dahm locks (invented by Dave
>> Dahm on the Burroughs B5000 in the 1960s). Here is a long paper on locks
>> including
good, but runs under X11, and does not generate the best OS X
applications.
It would be nice to target languages apart from Objective-C to Xcode, but it is
too much of a moving target.
Ian
On 2 Mar 2012, at 10:27, Gene Crucean wrote:
> Man I don't know why there is soo much hate toward
might be an example illustrating
best practice. Can anyone point me at some documentation or examples that might
help?
Thanks,
Ian.
--
Ian Piper
ianpi...@mac.com
--
If I'd asked people what they wanted, they would have said faster horses (H
rase "best practice" again) for my program to
authenticate the user that way?
Regards,
Ian.
--
On 13 Jan 2010, at 22:54, Marcel Weiher wrote:
> Hi Ian,
>
> well, in a sense the lack of examples *is* illustrating the best practices
> concerning setup wizards :-)
>
&
to write in
C++.
Should you write any high-level applications in C++ - probably not. If you are
just writing Cocoa apps - don't use it. Just stick to Objective-C.
The idea of Objective-C++ is really to port things from other platforms more
easily, or perhaps do cross-platform development.
ne point me to an example that describes how I am supposed to
tell my application that it should read and write rtf (or rtfd) files?
Ian.
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bump bump :-)
Ian.
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Begin forwarded message:
From: Ian Piper
Date: 1 July 2009 3:53:52 pmBST
To: Cocoa-dev@lists.apple.com
Subject: Reading and writing rtf(d) files
Hi all,
I have a question about reading and writing file types. I have been
Hi All,
I've just started to learn my way around Cocoa but I've come across an
error message that I don't understand and googling hasn't really shed
any light on the subject.
I have defined a simple polygon class with 3 int's, called
PolygonShape. When debugging I can see that I am setti
, backward, first and last buttons.
Thanks,
Ian.
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ntroller. and choose
canSelectNext as the Controller Key. Then control-drag from the button
to the controller in the main window and choose the selectNext:
action. The process for Previous is similar.
Anyway, I hope someone else finds this useful.
Regards,
Ian.
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0759
es up with
the question-mark-in-a-folder symbol. How do you get the SD card to
act as a bootable drive?
Ian.
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On 19 Jul 2009, at 6:46pm, Andy Lee wrote:
On Jul 19, 2009, at 7:45 AM, Ian Piper wrote:
How do you get the SD card to act as a bootable drive?
Did you try Google? A search for "boot sd card macbook" turned up
this as the first hit:
<http://arstechnica.com/apple/news/2009
On 11 Dec 2010, at 07:16, Murat Konar wrote:
> Maybe CourierNewPS-BoldMT is not a monospaced font?
It sounds like one of those rip-off fonts that have polluted the font space. Is
plain Courier not available on iOS?
I have some links about fonts from one of my pages (click the 'here' links):
ht
On 11 Dec 2010, at 11:02, Phillip Mills wrote:
> On 2010-12-10, at 5:38 PM, Ian Joyner wrote:
>
>> Is plain Courier not available on iOS?
>
> Courier is there but with the same problem.
How about other monospaced fonts? Monaco is the only other common one I can
think
ourier New comparison.
While font issues aren't exactly specific to Cocoa, this is an issue that
should be much more widely known about, especially among developers. But I also
have the question about which fonts are officially sanctioned by Apple to use?
Ian
On 11 Dec 2010, at 09:38, Ian Joyner
L later. Once you have a model, this might help you see potential
applications.
Having said that, I believe we are at the beginning of rearranging many linear
texts into more immediately and easily useful forms, particularly teaching
texts.
Ian
___
with properties.
Ian
On 17 Mar 2012, at 08:56, Conrad Shultz wrote:
> On 3/16/12 2:00 PM, Brian Lambert wrote:
>> This means that my UILabel called labelMyLabel is publicly available.
>> Anyone who has access to an instance of MyViewController can do anything
>> they want to w
h messes (JS in particular),
language design, and subtly why C and C++ are poor languages. Oh, yeah, and why
the web is such a mess (just bad ideas done quickly and a great perspective on
the lasting effect of the browser wars). This series is well worth watching for
the insights it has into our professi
-complete-series/
>>
>> which is about far more than just Javascript. It is about why programmers
>> are resistant to new ideas, how we usually end up with messes (JS in
>> particular), language design, and subtly why C and C++ are poor languages.
>> Oh, yeah, and why
On 20 Mar 2012, at 02:43, Nick Zitzmann wrote:
> On Mar 19, 2012, at 5:51 AM, Ian Joyner wrote:
>
>> Actually NSArray. Note NSMutableArray inherits from NSArray because it adds
>> extra functionality in methods that can change the object. You can assign an
>> NSM
oa
community, even though not directly Cocoa related, but his thinking is relevant
to so many things and most of us have to be involved in the web in one way or
the other.
Thanks
Ian
P.S sounds like you still need to go and study up some material on the B5000 to
see how a really elegant design of 50 y
On 14 May 2013, at 04:37, Appa Rao Mulpuri wrote:
> Any specific reason not to use "Trebuchet MS"? I faced some issues with the
> few components (ilke Table Header cell, NS Button) text vertical center
> alignment except that Look and feel wise its equivalent to "Lucida Grande".
> And also bo
good resource sites making such
recommendations please pass them on. The many books on typography I have don't
actually make this very clear.
Ian
On 15 May 2013, at 05:46, Jens Alfke wrote:
>
> On May 13, 2013, at 6:43 PM, Ian Joyner wrote:
>
>> Yes there is now a confusi
On 29 May 2013, at 14:14, Oleg Krupnov wrote:
> While I generally agree that premature optimization is evil,
That seems to come out of a belief that well-structured code is code that runs
poorly (this belief came out of an IBM system of the 50s/60s that had really
poorly running subroutine cal
On 30 May 2013, at 12:33, Jens Alfke wrote:
>
> On May 29, 2013, at 6:30 PM, Ian Joyner wrote:
>
>> That seems to come out of a belief that well-structured code is code that
>> runs poorly
>
> No, it’s a paraphrase of a famous quote by Don Knuth ("We should fo
On 31 May 2013, at 01:43, Jens Alfke wrote:
>
> On May 30, 2013, at 3:52 AM, Ian Joyner wrote:
>
>> What I am trying to point out though is that there is a misapprehension that
>> premature optimization means writing structured code early on so don't
>> struct
On 23 Jun 2013, at 13:32, "Reaves, Timothy"
wrote:
> What the docs state that is meaningless (although inaccurate); the
> Objectice-C manual could very easily state that Objective-C is not a
> programing language; it is. CoreData is a database.
OK, what the Apple doc
http://developer.apple.co
Thanks for the reference to Codd's early paper. I'm researching the relational
model now since I'm giving a course in distributed systems soon. In fact, I'm
reading Codd's 1990 book "The Relational Model for Database Management Version
2". It is available as a pdf (although I have had the physic
very much envisaged databases to
be used by end users and not (just) by programmers. This was before Xerox PARC
and Apple, and this is where SQL is a 'psychological' failure.
On 24 Jun 2013, at 11:23, Ian Joyner wrote:
> On 23 Jun 2013, at 13:32, "Reaves, Timothy"
>
On 24 Jun 2013, at 02:11, Gordon Apple wrote:
> You mentioned MacApp. I was heavily involved in that for awhile and even
> got into the credits. I don¹t know if you remember Bob Krause. When I was
> running the developer sig at LA Mac Group, I had him down for a presentation
> on his object da
So I think, if I understand what Graham is suggesting, that in a relational DB
design you would model this with three relations 1) Parent 2) children (which
could be the same as parent) 3) active_children. If a child is active you
insert it in the active_children set (relation is a particular ki
On 23 Jun 2013, at 11:38, Michael Crawford wrote:
>> To me, it's not that you'd have to write all the code from scratch that
>> makes Core Data concerning, it's the fact that the format is undocumented.
>
>> If Apple published a complete specification for the format, I'd be willing
>> to use C
Was there ever a satisfactory answer to this? I'm not sure what the CD
modelling answer is, but this seems to be related to relational modelling
referential integrity or in plainer language - no dangling pointers - in db
language a foreign key must have a primary key in another relation.
For ex
When is it published? Ian
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Soapbox - <http://www.canicula.com/wp>
On 3 Jun 2008, at 00:05, Erik Buck <[EMAIL PROTECTED]> wrote:
In answering some private email about the forthcoming "Cocoa Design
Patterns" book, I made the following ob
On 13/06/2008, at 2:09 PM, Rick Langschultz wrote:
Am I aloud to ask where I can submit my iPhone programming questions
to?
Yes, much to loud!
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On 19/07/2008, at 11:36 PM, Michael Ash wrote:
On Sat, Jul 19, 2008 at 1:14 AM, Rick Mann <[EMAIL PROTECTED]>
wrote:
On Jul 18, 2008, at 21:51:57, Jerry Krinock wrote:
setEp1: should work. The colon is significant and is a part of
the method
name.
In fact, I do have the colon in the ac
simultaneously? i.e. how do
I search for the characters without momentarily ignoring the strings
or vice versa? This seems to be quite straightforward with fscanf, but
it seems a bit odd going to C, when I'm trying to do this in Objective-
C.
Any help with either question would be mu
Thanks for your responses.
Looks like stringWithContentsOfFile:encoding:error: does what I need.
Jens, at least I know not to pursue the NSScanner thing any further in
this case.
Thanks,
Ian.
On 23/07/2008, at 3:39 AM, Jens Alfke wrote:
On 22 Jul '08, at 2:09 AM, Ian Jackson
whether this
takes care of everything or not. I think it does.
Ian.
P.S. if anyone recognises this code as theirs, then I apologise.
SEDrawingClipView.m
Description: Binary data
On 25/07/2008, at 1:43 PM, Graham Cox wrote:
I have a view embedded in a NSScrollView. When the view is sma
draw
shadows.
Ian.
On 26/07/2008, at 7:36 AM, Jonathan Dann wrote:
How odd I came across this yesterday on my travels! The site for
this source is
http://www.bergdesign.com/missing_cocoa_docs/nsclipview.html
Jonathan
www.espresso-served-here.com
On 25 Jul 2008, at 11:13, Ian Jackson wrote:
es of attributes.
Putting things on the stack is only an optimization which some OO
languages let you do, if you know certain conditions will be met.
Ian
On 08/08/2008, at 3:08 AM, Lee, Frederick wrote:
Greetings:
I just came across a NSObject subclass written by someone, that
contains a coup
On 22/08/2008, at 12:59 PM, Thomas Engelmeier wrote:
Am 22.08.2008 um 00:59 schrieb Dave MacLachlan:
Also, are the _ in front of member variables for Apple only (so we
don't stomp on each other with member var names) or are they using
them for the readability reason mentioned above? There i
uld be read from the Employee class?
Thanks in advance,
Ian.
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Help/Uns
I assumed that fullNameAndID would be available among the choices
presented in the bindings pane. That not being the case, I tried
typing it in, and it worked. Yay!
Ian.
On 13/03/2008, at 1:20 AM, Adam P Jenkins wrote:
On Mar 12, 2008, at 5:15 AM, Ian Jackson wrote:
I was happily
thods I
should add to map the children
Any help would be much appreciated, I've been struggling with this for
days.
Thanks in advance,
Ian Kennedy
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ions:NSXMLNodePrettyPrint];
Thanks in advance,
Ian Kennedy
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ng RTF output with
bigger bolder text corresponding to etc.
Ian.
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dead end. I can't see how
to make the combobox choose the entry. The combo box doesn't have the
same binding options as a popup menu.
Any advice as to how to approach this would be great.
Ian.
On 27/03/2008, at 7:34 PM, Adam Gerson wrote:
I think that internally when you create
o be in the mountain biking club.
However, I leapt into the mailing list too quickly, seeing a similar
topic popup, so I need to go and give it more thought, and if I'm
still stuck, I'll send another message.
Thank you
Ian.
On 28/03/2008, at 5:11 AM, Adam Gerson wrote:
Is what
Have you done the tutorial?
http://developer.apple.com/documentation/Cocoa/Conceptual/NSPersistentDocumentTutorial/NSPersistentDocumentTutorial.pdf
You can add in the data as you like, and save when you've finished.
Ian.
On 2/04/2008, at 9:42 PM, Quincey Morris wrote:
It appears that
have to become a kind of property of the entity which is
choosing from the relationship.
The point of this is to have a store of objects in the second entity,
which can be picked from by objects of the second entity as needed.
I'd appreciate any advice, thank
Ah OK, I see. But I can't help.
However the business of saving before you start happens with
Garageband and iMovie. So on the plus side, it's not unheard of. On
the downside, I agree it's a bit odd.
Ian.
On 2/04/2008, at 10:26 PM, Quincey Morris wrote:
On Apr 2, 2008
Does this mean that you want to create a new object and add it to the
array, by typing a new string into the combo box (and pressing enter)?
My feeling is you'd need to write a bit of code yourself for that.
Ian.
On 1/04/2008, at 9:44 AM, David Springer wrote:
All,
I'm havi
ow it.
Ian.
On 11/04/2008, at 10:28 PM, Valentin Dan wrote:
The number of columns is dynamic as are the columns I need to
hide ... it all depends on the settings & access rights of the user.
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Valentin Dan, Software
Perhaps you have a good reason, but from your description, and being
used to using Mail, I'd expect the lower part to display the content
with a single click.
Have you used setTarget: and setAction: to coordinate this double
click event?
Ian.
On 23/04/2008, at 8:33 PM, Ewan Delanoy
th a space instead of the \n?
Ian.
On 23/04/2008, at 12:16 AM, Brad Peterson wrote:
Hi,
Have there been any recent changes to NSXMLParser with
respect to carriage returns?
I haven't noticed it previously, but I'm suddenly
seeing a lot of cases where carriage returns embedded
in
I've found that trashing the build folder is often a worthwhile step,
and one other thing someone pointed out to me, is that you should do
it when Xcode is not running. Otherwise it can still mysteriously
remember some things that it's cached.
Ian.
On 27/04/2008, at 9:47 PM,
On 18/01/2009, at 1:51 PM, Erik Buck wrote:
Both Objective-C message sending and C++ virtual function calls
commonly prevent in-lining because the _compiler_ can not determine
which code will actually be called. If you use Objective-C message
sending or C++ virtual member functions, you f
nce a plus
- Experience with business logic
- Knowledge of x86 assembly
Remuneration based on experience.
All interested applications are invited to submit their C.V. and code
samples to care...@xsilva.com
Thanks!
Ian Marsh
Xsilva Systems
ian.ma...@xsilv
On 11/10/2008, at 9:33 AM, Seth Willits wrote:
On Oct 10, 2008, at 3:20 PM, DKJ wrote:
I've made an NSDictionary where the values are strings. Is there a
difference between setting a value as [NSNull null] and setting it
as @""? (I've been using the former.)
Is there a difference? Definit
On 11/10/2008, at 11:58 AM, Seth Willits wrote:
On Oct 10, 2008, at 5:40 PM, Ian Joyner wrote:
I'm just trying to work out what NSNull really is in the Cocoa
context. Is it an object in Cocoa?
As I said, yes. It's truly an object. (A singleton, as well.)
Since NSNull may b
On 11/10/2008, at 12:31 PM, Kyle Sluder wrote:
On Fri, Oct 10, 2008 at 8:40 PM, Ian Joyner <[EMAIL PROTECTED]> wrote:
I'm just trying to work out what NSNull really is in the Cocoa
context. Is
it an object in Cocoa? I think (from other environments) that it is
a type
signifying
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