the root of the problem is in my
programmatic setup code. But where? I've been hunting for a -
setEditable:YES method somewhere that I need to call, but I haven't
found it...
Any ideas? Thanks!
Ben Haller
Stick Software
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On 1-Nov-09, at 12:42 PM, Ben Haller wrote:
Hi all. I've got an NSTableView that I'd like to be editable.
Even if I return YES from -tableView:shouldSelectRow: and YES from
tableView:shouldEditTableColumn:row:, however, editing does not
actually commence. The row selects, and I've
on my tableview. I double-click on a cell,
and nothing whatsoever happens.
Ben Haller
Stick Software
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On 1-Nov-09, at 6:01 PM, Graham Cox wrote:
On 02/11/2009, at 4:42 AM, Ben Haller wrote:
But where? I've been hunting for a -setEditable:YES method
somewhere that I need to call, but I haven't found it...
Hi Ben,
Have you tried -setEditable:YES on the textfield cell you're using
don't know if there's a good reason for that behavior or not. :-
Apart from that issue, it worked quite nicely.
Thanks for the tip, Sean.
Ben Haller
Stick Software
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to
construct the NSMigrationManager. That should work around the one known GC
issue here.
If you're not using GC, than try breaking out Instruments' ObjectAlloc with
NSZombie detection.
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around, and then ask them for their MOC.
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help narrow down the possibilities.
Thanks Melissa and Ben for your replies!
I have been working on this issue for days now and am getting
increasingly confused. :)
My coworker found a way to create a document (in 10.6.1) with almost the
same problem as originally described (it complains
couldn't
move things between documents without borking undo.
The behavior you describe is more commonly associated with non-document apps
like iCal or Address Book. They use a single undo manager for the user edits.
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, thank you for your help. Let's move on.
Ben Haller
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it has a high fixed cost (like ~2ms on a desktop). You'll
want to balance the two. You might start out with a threshold of 100
and tune from there.
Thanks in advance and sorry if this is a dumb question.
It's not.
- Ben
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deleted, or the object in a relationship has a
temporary objectID but is not marked inserted. Using
refreshObject:mergeChanges:NO on an object with pending changes can do some of
that, as can assigning a deleted object to new relationships after delete
propagation has run.
- Ben
On 21-Oct-09, at 12:57 AM, Graham Cox wrote:
On 21/10/2009, at 3:43 PM, Ben Haller wrote:
There must be a good, clean way to do this. Anyone?
Well, the expected way is to have different types for your
documents. You can still map them all to the same class, and
discriminate
On 21-Oct-09, at 6:55 PM, Ben Haller wrote:
OK, I've switched over to an NSDocumentController and using
different types for my different models. That turned out to be a
forced move, because NSApplication's delegate method -
applicationOpenUntitledFile: does not get called when the user
On 20-Oct-09, at 6:54 AM, Uli Kusterer wrote:
On 19.10.2009, at 23:58, Ben Haller wrote:
On 19-Oct-09, at 5:27 PM, Dave Keck wrote:
Would NSView's -getRectsBeingDrawn:count: help?
Well, I'm already using it in my own code where appropriate. (Or
actually I'm using -needsToDrawRect
On 20-Oct-09, at 6:59 AM, Uli Kusterer wrote:
On 20.10.2009, at 03:02, Ben Haller wrote:
As for NSTableView, it does appear to be doing minimal drawing. So
I guess all the string-drawing overhead I see in Sampler is just
from the single column that is updating, which is unfortunate since
On 20-Oct-09, at 8:15 AM, Graham Cox wrote:
On 20/10/2009, at 11:03 PM, Ben Haller wrote:
AFAIK even -[NSAttributedString drawWithRect:options:] doesn't let
you draw a string centered or right-aligned in the rect, which
seems like a big oversight. I've just logged 7318495
to do this. Anyone?
Ben Haller
Stick Software
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this is a Cocoa or a CG question really, but
since I'm using nothing but Cocoa calls at present, I figured I'd try
this list first...
Thanks!
Ben Haller
Stick Software
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areas for efficiency, for some reason;
but that seems unlikely...)
Ben Haller
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. Works great. Thanks to the posters, though; CALayer
and related concepts are quite new to me, so it is good to develop
some mental context surrounding them!
Ben Haller
Stick Software
On 19-Oct-09, at 6:24 PM, Dalmazio Brisinda wrote:
Kyle's explanation #1 was spot on for my application. I
On 19-Oct-09, at 5:58 PM, Greg Guerin wrote:
Ben Haller wrote:
1. Superview that does no drawing and is not opaque
A. Subview #1: a tableview that is opaque
B. Subview #2: a graph view that is opaque
C. Subview #3: another graph view that is opaque
Obvious
On 19-Oct-09, at 6:53 PM, Andy Lee wrote:
On Monday, October 19, 2009, at 05:58PM, Ben Haller bhcocoa...@sticksoftware.com
wrote:
I think the problem is deeper (based upon what flashes under Quartz
Debug): I think the dirty rects are actually getting consolidated
such
that NSTableView
that's what you're referring to. AppKiDo (which I
still love :-) doesn't find any APIs with coalesce in their name
that are drawing-related. Can you give me a pointer?
Thanks!
Ben Haller
Stick Software
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On Oct 17, 2009, at 7:46 PM, Ben Haller wrote:
Copied the TrueType font from Instruments into my project, added
the necessary key to my Info.plist, set the font using [NSFont
fontWithName:...], and hey presto, there the font is in my app.
Only... it doesn't look as nice. It's less
I'm surprised there's a difference. Anybody know what's going
on? I am now considering taking little screenshots of each digit and
rolling my own pseudo-font using image blits. Please save me from
that fate.
Ben Haller
Stick Software
the merciless http://llvm.org/img/DragonFull.png
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On 16-Oct-09, at 3:04 PM, Alastair Houghton wrote:
On 16 Oct 2009, at 03:54, Andrew Farmer wrote:
On 15 Oct 2009, at 13:34, Ben Haller wrote:
Hi all. I need a good Obj-C framework for sending email. I used
to use the Message.framework associated with Apple's Mail, but
they killed
to supply crash logs. :-
Thanks!
Ben Haller
Stick Software
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On 15-Oct-09, at 4:57 PM, Bryan Matteson wrote:
Perhaps EDMessage?
http://www.mulle-kybernetik.com/software/EDFrameworks/
EDMessage looks good, thanks!
Ben Haller
Stick Software
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Please do
?
Sorry for the long email. Comments?
Ben Haller
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repeated representation would use an
unacceptable amount of memory. So I don't think it applies to my
problem.
Thanks though!
Ben Haller
Stick Software
On 15-Oct-09, at 7:14 PM, Oftenwrong Soong wrote:
Hi Ben,
Have you considered the so-called Flyweight design pattern
of
something like NSMutableArray. Ought to be possible, right? So how
do I manage this write barrier business to make it work properly?
Ben Haller
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want; why is
auto_zone_root_write_barrier() getting into the middle of my
assignment loop in the first place?
Ben Haller
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On 15-Oct-09, at 8:10 PM, Oftenwrong Soong wrote:
Hi Ben,
You say the crash occurs in this line:
individuals[individualCount++] = individualsForPop[i];
The problem may be in the post-increment (individualCount++). IIRC,
there is no agreed-upon compiler standard as to whether the post
me to switch my
collection class over to strong references. That's progress. Thanks
to everybody for their help!
Ben Haller
Stick Software
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also return errors.
When you get an NSError, you'll want to also log its userInfo
dictionary.
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10.6.0 or 10.6.1, please
file a bug.
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in NSPersistentDocument.h
particularly configurePersistentStoreCoordinatorForURL and
readFromURL, and just call super. But look at the BOOL result and if
NO, the NSError.
You can also grab the error in the debugger as others have suggested.
- Ben
On 12-Oct-09, at 8:14 PM, Charles Srstka wrote:
On Oct 11, 2009, at 9:46 PM, Ben Haller wrote:
Most of the bugs I had to fix were related to either using long
instead of int, or needing a -finalize method.
You should actually probably be using NSInteger instead of either of
those
relationship in -awakeFromFetch
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, and have a rough idea on
how I might accomplish all of this, but I wanted to see if someone had
experience with this and could keep me from spending time going down
the wrong path if it isn't going to work.
So, do you think core data can handle this? What approach (roughly)
should I use?
- Ben
be in multiple destinations
for a specific relationship)
- Ben
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issues you have yet to measure ? I wouldn't add multiple
stores to work around a performance issue before actually trying it.
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, and tuning
your app performance fits within your schedule requirements, and
whether implementing, debugging, and tuning all this yourself will
really take any less time.
You might consider mocking up a Core Data version over a few days and
seeing how far you get.
- Ben
than a little inconvenient.
Thanks for any advice!
Ben Haller
Stick Software
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a flag specifically for GC I'd rather use that...
Thanks!
Ben Haller
Stick Software
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On 11-Oct-09, at 3:52 PM, Kyle Sluder wrote:
On Oct 11, 2009, at 12:44 PM, Ben Haller
bhcocoa...@sticksoftware.com wrote:
OK, makes sense. My only question: what's the best way to switch
at compile time based on whether GC is enabled for the build? I.e.
what do I #if or #ifdef? I
On 11-Oct-09, at 4:11 PM, Kyle Sluder wrote:
On Oct 11, 2009, at 1:06 PM, Ben Haller
bhcocoa...@sticksoftware.com wrote:
Yes, but my code also needs to compile as GC-unsupported against
the 10.4 SDK, where any GC-specific calls that I might need to make
will not compile. Am I missing
On 11-Oct-09, at 5:28 PM, Clark Cox wrote:
On Sun, Oct 11, 2009 at 1:55 PM, Ben Haller
bhcocoa...@sticksoftware.com wrote:
Well, I imagine I'm going to need to use *something* GC-specific --
strong/weak declarations,
Not likely.
finalize methods, whatever.
Implementing finalize methods
might try searching them, or looking at https://devforums.apple.com/message/100783#100783
- Ben
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than using SQLite directly?
Doing this in SQLite directly will also be 100x faster than what
you're doing now. Regardless of whether or not you decide to use Core
Data, this would be better.
- Ben
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object.
- Ben
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. There are other possible issues in
play, but you said the result set is small, so they seem unlikely.
- Ben
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an excellent feature request. Please file it with
bugreport.apple.com
But if you take my advice and make the query run in 1.8s instead of
180s, how important is this to you ?
- Ben
On Oct 6, 2009, at 4:08 AM, Ben Trumbull wrote:
On Oct 5, 2009, at 7:00 PM, enki1...@gmail.com wrote:
I am
the
same, or be stuck with ASCII.
Regardless, you'll need to make your searches eligible for an index.
The DerivedProperty example shows how to do that.
- Ben
Thanks
On Oct 5, 2009 7:14pm, Ben Trumbull trumb...@apple.com wrote:
Is there a way to do an asynchronous fetch request
the ruler based on editing mode.
Hope this helps,
-Ben
On Oct 1, 2009, at 1:21 PM, Brad Gibbs wrote:
Hi,
I'm trying to re-create Address Book's editing style - if a user
pushes a button labeled Edit, subsequent clicks on a label bring up
what looks like a separate view for the new information
, and -
setIncludesPropertyValues: to NO to effectively create your own
cursors if you prefer.
- Ben
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experiment with Core
Data.
- Ben
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a MOC ? Because threads with their own MOCs can make their
own changes and own saves simultaneously.
- Ben
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Contact
time on this or, judging by complaints, something
more important ?
cocoa-dev is not a bug reporting forum.
- Ben
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?
- Ben
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On Sep 29, 2009, at 8:22 PM, Luke Evans wrote:
Hello Ben.
What happens if you add a call to -processPendingChanges in between
#2 and #3 ?
... well then everything works wonderfully (oh joy!!) :-)
OK. I need to get a proper mental picture of why this is needed in
this case.
I guess I
-
threading.
You sure you're not saving a MOC ?
- Ben
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the stack is not
pretty.
- Ben
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for this relationship ?
2) can someone point me to relevant documentation?
You sure it's not NSValidationNumberTooLargeError for one of the
numbers being outside the range you specified acceptable in the model ?
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On Sep 22, 2009, at 8:54 AM, Sean McBride wrote:
On 9/21/09 4:21 PM, Ben Trumbull said:
If you're using an NSArrayController in Entity mode, you can turn on
Use Lazy Fetching. You'll want to disable auto-rearrange content.
Ben,
May I ask, why turn off 'auto-rearrange content
~16MB of RAM.
- Ben
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.
- Ben
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model. State may change, but only
because you did something to ask us to do that. Like refetch the
objects, use a staleness interval, or call -mergeChanges...
- Ben
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Objective-C class.
If the Truck entity is a subentity of Auto, then it may reuse the
AutoClass, or a TruckClass which must be a subclass of the AutoClass.
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a *persistent* store to query or sort on *transient*
data.
- Ben
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to include custom fonts in the application bundle and
then access them for use in a UIWebView.
Best,
-Ben
--
Ben Lachman
Acacia Tree Software
http://acaciatreesoftware.com
email: blach...@mac.com
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mobile: 740.590.0009
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definitions. Even if you need to do all this programmatically, I'd
recommend to play with the modeling tools more to see what things are
supposed to look like.
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On Sep 14, 2009, at 6:08 PM, Jens Alfke wrote:
On Sep 14, 2009, at 2:43 PM, Ben Lachman wrote:
I was looking at the NYTimes iPhone app today and noticing that it
looks like they're using a UIWebView with a custom font (not sure
what font though, anyone know?). I did some digging on how
deprecated on MobileSafari. I saw a lot of references to using Cufón
(or similar), however that doesn't allow for copying or selection and
the NYTimes app does. anyone know of a way to use a real custom font
face in a UIWebView?
Thanks,
-Ben
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Acacia Tree Software
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saved MO with -
objectWithID: on your MOC.
If you have a very large number of messages, you may not wish to
model the to-many on Parent at all.
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this in a new sample project ?
- Ben
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;
}
There should be more in the userInfo dictionary explaining what's
going on. If you can reproduce it in a new test project with your
models mapping models, then please file a bug with the project
source zipped up at bugreport.apple.com and we'll look at it.
- Ben
is a database is like saying your compiler is an
assembler. Well, the compiler suite uses an assembler, sure, and they
both output object code in the end, but that does not mean the best
way to use your compiler is to write in assembly.
- Ben
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care ? No.
App developers get paid for novel functionality that addresses a real
customer need with good UI.
- Ben
Here's a more traditional reply:
- Full KVC, KVO support out of box
- Relationship maintenance (inverses, delete propagation)
- Change tracking
- Sophisticated SQL compilation
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 :).
my pleasure.
On Sep 10, 2009, at 5:04 PM, Ben Trumbull wrote:
The inverse
relationship from Planet to Employee
has a bunch of others, but
that's irrelevant to whether or not it matches the predicate. You
seem to be thinking of this predicate
@ALL books.name like 'myPrefix*'
for which we don't currently generate SQL.
- Ben
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assumptions. This
falls under the hack category, and is not a pattern you want to
replicate widely.
- Ben
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zero and I have to set up a way for the
windowcontroller to tell the app delegate that it's no longer needed.
There must be a better pattern; I imagine I'm just not used to
thinking in garbage-collection terms yet. So what's the right way to
do this?
Thanks...
Ben Haller
Stick Software
- Ben
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 somewhere in order to know what to write out
when it needs to save. How does it handle that?
thx
AC
On Sep 3, 2009, at 12:27 PM
of the predicate in the fetch request itself.
Walking through the predicate and gathering up the keypaths used is
very tedious, but not especially difficult, if you find yourself
wanting a complete solution.
- Ben
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to create a
bunch of managed objects to hold some properties.
- Ben
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. */
- (void)setHasUndoManager:(BOOL)hasUndoManager;
- (BOOL)hasUndoManager;
- Ben
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predicateWithFormat:@dateModified dateCreated]
- Ben
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disallowed, or a bug, or just developer-error somehow?
What your code look like for the substitution variables dictionary ?
- Ben
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.
Encoding your data this way is pushing the boundaries of violating MVC
patterns by archiving UI information (NSTextView drawing information)
into your model (database). That obviously doesn't work if the
platform doesn't support NSTextView.
- Ben
Bindings bug. If you could create a new sample project with your NIB
and your model and reproduce this, and then attach it to a bug report,
that would be extremely helpful.
Thanks,
- Ben
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Please
?
You'll need to use a SUBQUERY predicate instead of an ANY/operator.
Probably easiest to do SUBQUERY(..)@count 0
Please file a bug.
- Ben
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-
textView:completionsForPartialWordRange:indexOfSelectedItem:. I
thought to override keyDown: but the problem is that the field editor
is eating keystrokes.
Thanks,
-Ben
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mobile
On Aug 25, 2009, at 7:19 AM, Ruotger Skupin wrote:
Am 24.08.2009 um 23:13 schrieb Ben Trumbull:
When I use setRelationshipKeyPathsForPrefetching the fetch throws:
-[NSSQLAttribute inverseRelationship]: unrecognized selector sent
to instance 0x10ee150
Can you provide the entire stack
On Aug 24, 2009, at 3:20 AM, Ruotger Skupin wrote:
Am 20.08.2009 um 22:28 schrieb Ben Trumbull:
setRelationshipKeyPathsForPrefetching
When I use setRelationshipKeyPathsForPrefetching the fetch throws:
-[NSSQLAttribute inverseRelationship]: unrecognized selector sent to
instance
' objects from that
without
having to persist every story I fetch.
Regardless of approach, you'll need to copy the transient objects into
new persistent objects to individually change their nature from
transient to normal managed objects.
- Ben
expecting, and there's no future-proof way you can cut corners.
There really isn't any point in cutting corners here. If you need to
do something unusual, you can use a CFDictionary with custom callbacks.
- Ben
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