fairly quick on 10.9).
I was just wondering if some of you, in their applications using SQLite/Core
Data, had noticed such a severe loss of performance.
Thanks,
Vincent
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this correctly. But I wanted also to warn every possible user of Core
Data that they might experience regression without any evident reason.
Cheers!
Vincent
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var ans : String?
if b {
if b! {
ans = True
} else {
ans = False
}
} else {
ans = Nil
}
The first test sifts nil from everything else, and the second one 'true' from
'false'.
Vincent
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an implicitly unwrapped optional bool in an if?
Good riddle. Did you try in a playground?
Vincent
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some .SQL files, namely the PostGIS geospatial
extension to PostgreSQL, that have nothing to do with any MacOS app, and that I
don’t want to open with Coda, but rather TextWrangler, for example.
These “famous” extensions should maybe be excluded from any type of association.
Vincent
in the tiniest
space…
Vincent
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.
Cheers!
Vincent
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of usable space, and then see their
code crippled by low memory warnings.
Aside from this, I concur it might be handier for Apple to converge all its
platforms to 64-bits.
Vincent
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Hi list,
I experience some strange behavior with NSSplitView.
Let me explain what I'm trying to do :
The split view contains 3 subviews (2 dividers), and has a delegate that
controls it. It is an horizontal split view.
Let number those 3 views from top to bottom 0, 1 and 2.
The upper divider
Folks,
I apologize if this question looks stupid or contrived. Here it is: is it
permissible to use [@“” mutableCopy] to initialize (or reset) a NSMutableString
instead of the more classical [[NSMutableString alloc] init]?
Thanks a lot!
Vincent
]?
Yes.
Thanks! (No side effect?)
Vincent
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the constant empty NSString.
BTW, what’s the difference between [[NSMutableString alloc] init] and
[[NSMutableString alloc] initWithString:@“”]?
Vincent
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: with a range covering the
whole string.
Thanks again so much to everybody for your enlightening advice.
Vincent
—
“Common sense is the collection of prejudices acquired by age eighteen.” A.
Einstein.
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.
But that possibility depends on precise implementation details of
NSMutableString.
So I guess profiling is once more everybody’s friend.
Thanks anyhow once more for taking the time to answer my very minor inquiry.
Vincent
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Hi everybody,
I have a very simple question: if I embed a C-function (more precisely, a
callback from an external C-library) in an Obj-C object, can I expect this
function to behave like a regular method? I.e. can it freely access ‘self’ and
other attributes?
Thanks a lot!
Vincent
are legal, aren’t they?
Thanks a lot!
Vincent
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Hi and thanks a lot to anybody!
I posted some answer before, but since it included a screenshot I’m afraid it
didn’t make it through. I was just trying to show that when I access an iVar of
‘self’ in the C-function (e.g. self - _egg), Xcode autocompletion pop-up shows
the iVars list, but each
, this list is one of the few
remaining open media…
Cheers!
Vincent
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ID, profiles… let’s hope it is not!
Vincent
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into
the buffer rather than needing decoding, and partitioning it into several
chunks in order to optimize the number of triangles displayed. I think I’ll use
NSData to store these chunks.
Thanks to all for the precious help!
Vincent
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would not do that. Alternatively, I could have
allocated NSData as memory chunks.
Or alternatively use NSPointerValue to wrap a pointer to a malloc’ed C array
as an object.
This one I wasn’t aware of.
Vincent
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? But they are consistent and
do not cause any further warning…
This is not a real snag, but I’m rather curious to know what’s the culprit…
Vincent
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[0], t [1], t [2])) and this
time, the memory usage didn’t top 21 MB, which seems reasonable.
How come I get such a large discrepancy in memory usage between the two
solutions? Is the overhead of Cocoa object so huge?
Thanks!
Vincent
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objects, but I was really struck by the figures I got. Is
there any hope in the future to be able to store simple types like int or
floats in NSArrays?
Thanks again to all for your enlightening comments and kindness!
Vincent
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better optimizing speed, too!
Cheers and thanks a lot once again!
Vincent
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that with Xcode (I suppose it’s not a hard task, it’s just that I hadn’t time
to slog on that).
Have a nice Sunday,
Vincent
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David,
BTW, is it possible to add subviews to a CAEAGLLayer backed view? I have been
fighting all day to show a progress indicator atop this backed view, in vain.
Thanks!
Vincent
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David,
Yes, […]
Thanks for your quick answer and your kindness, as usual! Then something is
wrong with my setup, I’ll investigate further.
Have a great day!
Vincent
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!
Vincent
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Uh, I just realized I had overlooked the call to EAGLContext
presentRenderbuffer. It should work better when I add it.
Sorry for the noise, but this is a bit confusing at start!
Vincent
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On 2 juil. 2013, at 17:54, Vincent Habchi vi...@macports.org wrote:
Uh, I just realized I had overlooked the call to EAGLContext
presentRenderbuffer. It should work better when I add it.
It doesn’t work even with that call added. I don’t really grasp when the
CAEAGLLayer gets somehow hooked
higher abstractions!
Just a further question: on a CAEAGLLayer backed view, [view setNeedDisplay]
does nothing, doesn’t it?
Thanks for your answer!
Vincent
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Hi Rick,
Where to go for questions about the Accelerate Framework?
I have a fairly good knowledge of the Accelerate framework and its opensource
counterpart, Atlas. If I might be of any help, don’t hesitate.
Vincent
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Hi Kyle,
2013/5/14 Kyle Sluder k...@ksluder.com
On May 14, 2013, at 1:33 AM, Vincent CARLIER vince.carl...@gmail.com
wrote:
No matter what I do, only the first window (that is the window managed by
the first WC created for the document) gets the menu.
What does the secondary window
Re Quincey,
2013/5/14 Quincey Morris quinceymor...@rivergatesoftware.com
On May 14, 2013, at 04:30 , Vincent CARLIER vince.carl...@gmail.com
wrote:
As you will see, the menu item opens a second (and any number) of windows
for the document, but only the first has got the menu.
Yes, now
Hi all,
I'm writing a document based app. Each document is displayed in a window,
and can have several other windows too.
The primary window and the others are the same (same NIB, same window
controller), each window is able to display a different part of the
document data.
At the beginning,
if subsequent WC aren't the same
class, and windows are totally different.
I don't know if it makes any difference, I'm running Mac OS X Mountain Lion
10.8.3, Xcode 4.6.2.
Vince.
2013/5/14 Quincey Morris quinceymor...@rivergatesoftware.com
On May 14, 2013, at 00:07 , Vincent CARLIER vince.carl
Vincent CARLIER vince.carl...@gmail.com
Hi Quincey,
thank you for the quick answer.
Unfortunately, no, I didn't forget to add the window controllers using the
method you mention.
At document creation/opening, a first WC is created (I mean alloc/init),
added to the document, and released
Date: Tue, 14 May 2013 12:07:02 +0200
From: Giacomo Tufano g...@iltofa.com
To: cocoa-dev@lists.apple.com
Subject: Sandboxed app record-level indexing of Core Data in
Spotlight (not working)
Message-ID: 127dc0cb-c922-435c-adba-e873e8593...@iltofa.com
Content-Type: text/plain;
To illustrate the issue, I created a simple test project that you can clone
from Bitbucket : https://bitbucket.org/vincedev/tesdocapp.git
As you will see, the menu item opens a second (and any number) of windows
for the document, but only the first has got the menu.
Vince.
2013/5/14 Vincent
Re gt,
2013/5/14 Giacomo Tufano g...@iltofa.com
Il giorno 14/mag/2013, alle ore 13:00, Vincent CARLIER
vince.carl...@gmail.com ha scritto:
I have a working .mdimporter that works correctly if I copy the importer
in /Library/Spotlight (it will index and spotlight find the documents
Hello everybody,
I've written a Spotlight Importer for my custom document format. The
document has an UTI, used by the Spotlight Importer.
Everything is fine, I can see my Metadata Fields correctly indexed by
Spotlight, I can see the right importer loaded (it is bundled into the
.app) when I run
!
Si diverta ! ;)
Vincent
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assumed the original poster had a knowledge of both rounding error and
stability theory in algorithms, including use of ad-hoc band-aids like
preconditioning. Writing a simulation code w/out such knowledge would anyhow be
somewhat vain.
Cheers!
Vincent
-2. So, if you need a 1e-10
precision, a Taylor expansion in O(x^5) is enough. That means three terms for
either cos and sin, that you can perform in parallel using NEON. I am not sure
crlibm is optimized for SIMD…
Vincent
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steps of an iterative algorithm (using
trigonometric identities, you can bring back your angle to, say, [0, pi/4] and
perform a Taylor series approximation or something equivalent to get the final
result).
Vincent
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over the maps), isn’t it?
Cheers and thanks!
Vincent
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/afternoon/evening/night, depending where you are on the planet
Vincent
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the MKMapView as a subview and manually
relate gestures to coordinate change?
Thanks,
Vincent
PS: I apologize if this question looks stupid. Albeit I have a reasonable
experience with MacOS, I am a complete newbie with iOS.
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? / Are you sure you
set bufferingType to NSBackingStoreBuffered?
Vincent
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cases, should not make any difference except for
debugging purposes.
Vincent
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, …).
Vincent
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thereof should probably take place on that list, not here.)
Try Eero.
http://www.eerolanguage.org. I maintain the package on MacPorts, if you want to
have a try.
Vincent
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On 30 oct. 2012, at 07:25, Vincent Habchi vi...@macports.org wrote:
http://www.eerolanguage.org. I maintain the package on MacPorts, if you want
to have a try.
Should be http://eerolanguage.org. There is no leading www.
V.
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correctly with ARC? Is it not
going to leak each intermediate version of ‘convertedString’?
Thanks a lot!
Vincent
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.
UserInfo=0x10011e700
{NSURL=/var/folders/m9/5p__qm3967qchc9_26tl85kmgn/T/RelaxTest/input1000.txt}
Shouldn’t your URL (the one in the the error message just above) look like
‘file://var/folders…’ rather than a mere ‘/var/folders…’?
Viel Spaß,
Vincent
, and so on until the end of the HTML string. That would
mean one single pass instead of as many as the number of pairs in the
dictionary.
Vincent
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for % in URLs (e.g: “ ” ↔ “%20”) but does not handle HTML-ampersand escapes
(e.g: nbsp; ↔ “ ”). I did a shallow Google search and found nothing except
statements that no NSString or other Cocoa object could provide such a service.
Vincent
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Le 29 oct. 2012 à 13:23, Andreas Grosam agro...@onlinehome.de a écrit :
T$ ls -al
total 816
drwx-- 10 me staff 340 29 Okt 13:15 .
Did you try with your . directory having permissions drwxr-xr-x?
V.
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of '' and see if that makes up a valid escape sequence. Much of
the problem if dealing with HTML rather than XML is that there are a vast
range of special sequences. e.g. micro;
Yeah, that’s what I thought of. I will add a note in the body of the article
about this.
Thanks for all!
Vincent
Le 29 oct. 2012 à 15:00, Kyle Sluder k...@ksluder.com a écrit :
On Oct 29, 2012, at 6:55 AM, Vincent Habchi vi...@macports.org wrote:
Actually, it's not. From the docs:
Note: Currently, only the standard predefined entities are supported;
passing NULL for entitiesDictionary is sufficient
everything then fill the inside of your path with the background color, which
will give you the same result. Of course, if you are dealing with a stack of
CALayers, it might be more difficult to find a workaround like this.
Vincent
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Le 29 oct. 2012 à 15:30, glenn andreas gandr...@me.com a écrit :
Given that there are also decimal (#DD;) and hexadecimal escape sequences
(#x;) in HTML, trying to support those through the use of a dictionary
of sequence - replacement is going to be impractical.
Hopefully, I have only
That’s blatant. […]
I meant obvious. I just read the use of “blatant” for “obvious” was incorrect.
My bad.
Vincent
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. If you pass a clip mask, that goes directly into
the auxiliary buffer.
Is there any pundit out here to confirm this?
Vincent
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contents
before.
Anyhow, thanks again for your help.
Vincent
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occasional bombing ;)
Vincent
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was released, and suddenly all the code relying on that trick broke on the
TT and later machines…
Vincent
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changing almost all our habits of thought, but once it is done, it is
fairly rewarding.
Vincent
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into universal Intel binaries (and even PPC, since they are
still people out there with legacy hardware, myself included). But that’s more
a moral endeavor than a real need.
Vincent
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Le 5 juil. 2012 à 20:23, Greg Parker gpar...@apple.com a écrit :
Note that C++ allows overloading of almost everything, including binary ^,
but it doesn't allow creation of new operators like unary ^.
Thanks Greg for that precision.
Vincent
++ overloading. ^ is not
overloadable in C++, that was the unique such operator left.
Vincent
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(SSE, AVX).
This is somehow reflected in C code through the use of special macros to
instruct the compiler to respect these alignments.
Vincent
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On 9 juil. 2012, at 20:40, Greg Parker gpar...@apple.com wrote:
On Jul 9, 2012, at 5:44 AM, Vincent Habchi vi...@macports.org wrote:
Modern CPU do not enforce strict alignment for integer access. You can
perfectly access a Dword (64 bits) at any address, even or odd. It is just
more
succeeded in programming a totally
transparent NSTextField, or shall I recourse to a CATextLayer instead?
Thanks,
Vincent
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to make it look like
an underscore _ (the whole point is to make the input field look like a vintage
console editing field).
I guess I'll not escape writing a custom NSTextView to serve as the window
field editor.
Thanks for the hint!
Vincent
a background – but I suspect this is caused by highlighting. So I will try
to override the standard highlighting behavior to get just some text coloring
while letting the background clear.
Vincent
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. Is that normal?
Thanks a lot!
Vincent
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•••—•—
On 25 avr. 2012, at 19:19, Rick Mann rm...@latencyzero.com wrote:
Is WWDC really sold out already?
That was faster than the eye can wink. I wonder how many tickets are actually
offered.
Vincent
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, those
provide great opportunities to network and stay in touch, I am sure.
Uh? There was a iOS 5 tour in Europe I heard of, but nothing concerning OS X
this year or the year before AFAIK.
Vincent
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, but I think it is a
syllabic script. I don’t think anybody use it anymore: it has been superseded
by Siri :)
Steganography comes from Greek steganos, roof, wherefore it’s use for
obfuscated communications.
Vincent
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I bought it for future reference and put it
in my shelf). The first chapter describes the per-platform IDE suitable to use
OpenGL. XCode was mentioned, but, obviously, the co-author was using
Code::Blocks instead.
Vincent
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outlet of a text
field or similar, to it.
I won’t dare (A), because it seems quite complex (I can’t figure out a way to
output ° ’ ” instead of , or ., for example).
I always overlook the (B) solution, which seems to be less involved.
Thanks so much, cheers!
Vincent
exists, I will also file an upgrade request for 10.8.
Thanks!
Vincent
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, would it?
Salut !
Vincent
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method of NSView to return YES instead of NO; Is that
intended behavior (I can’t find any documentation about it)?
Cheers!
Vincent
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, that was not the right snippet, but the question still remains ;)
Vincent
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Corbin,
Yes, NSOpenGLView has:
- (BOOL)isOpaque {
return YES;
}
Thanks for your answer!
Could the documentation then mention than when an NSOpenGLView occupies the
whole frame of its parent window, and when its context is set to draw under,
one should override -isOpaque to return NO,
Le 22 déc. 2011 à 09:13, Alexander Reichstadt l...@mac.com a écrit :
Yes, you are right, but it does not make a difference, I tried all encodings.
Did you try UTF-8 encoding?
Besides, if you open your file with an external application, e.g. OpenOffice or
TextWrangler, what happens?
Vincent
Yes, tried NSUTF8StringEncoding, I really tried all the ones I found in the
NSString encoding documentation.
When I import this file as DBF into FileMaker Pro it looks just as bad. But
when I import it into a MySql it works fine.
Here an example of what NSLog says:
R\U0094h.,
OK, I found a way to import it into FileMaker. It looks good when I use DOS
Encoding. But when I use kCFStringEncoding derivates I had no luck. I know CF
and NSString is toll free bridged, but does this apply to the encodings as
well? There is some post from 2000 by Ali Ozer that would
And then, I do not have much space on the window to put this
coverflow (while a strip can be small and still look good), plus a
strip can display more than 1 item at once, and the user can click on
any of these items without too much of scrolling).
Why don’t you use CALayers (more
Nick,
I cannot elaborate much on this and give you code (not because it is somehow
confidential, but just because it is a general idea I don’t have implemented,
though I’m familiar with CAScrollLayers). The idea is thus:
1. Draw a normal NSView that you back with a CAScrollLayer. Give it the
Hi there,
I’m trying to draw a flipped NSImageBitmapRep object (data comes out of an
OpenGL depth buffer) in a NSView. I thought I could set up an appropriate
affine transform (x’ = x, y’ = height - y), embed it in a dictionary and put
that in the hints parameter of a
PS : Of course, a workaround is to flip the view coordinates thus:
[myView translateOriginToPoint:NSMakePoint(0, [self frame].size.height)];
[myView scaleUnitSquareToSize:NSMakeSize(1, -1)];
but it still does not explain why -drawInRect:fromRect:…hints: seems to ignore
the hints.
Vincent
respectFlipped:YES or NO, it does not change anything. Besides,
NSImageBitmapRep has no ‘flipped’ property, because it does not inherit from
NSImage, but from NSImageRep!
Vincent
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Le 18 nov. 2011 à 19:45, Kyle Sluder a écrit :
Yes, that would indeed be true. I just assumed you were adding the
image rep to an NSImage and using -[NSImage drawInRect::].
I considered that for a while, but since -drawInRect exists for
NSBitmapImageRep, I thought it was useless.
The Advanced Text Processing session from WWDC '11 should be of help.
https://developer.apple.com/videos/wwdc/2011/
On Nov 13, 2011, at 4:31 PM, Luca Ciciriello wrote:
Hi All.
Any one knows how to use the class NSLinguisticTagger in order to decompose a
phrase in its grammar components
On Sep 27, 2011, at 1:41 AM, Gerriet M. Denkmann wrote:
The following code produces an empty string:
calender = [ [ NSCalendar autoupdatingCurrentCalendar ] retain ];
NSString *dateTemplate = @eeeddHHmmss;
NSLocale *locale = [calender locale]; // en_IE
Some apps, including iTunes, using /Users/Shared/ for DRM. It may still be
world-writable in Lion [which I can't confirm as I haven't switched
yet...come on 10.7.2...].
I can confirm /Users/Shared is world writable on 10.7; besides, it has the
sticky (8) bit set, just like /tmp.
Vincent
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