that -didPresentAlertView: is getting called earlier than it used
to, maybe before the alert is actually fully presented. So try adding a
delayed-perform so the text field’s focus will get set slightly later.
This diagnosis seems likely, but I don't like the prescription, Doctor.
;-)
--Kyle Sluder
support.
But stop messing with the internals of UIAlertView!
--Kyle Sluder
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UIAlertController on platforms where it exists.
It already has the correct first responder you desire.
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On Mon, Apr 20, 2015, at 05:59 PM, Michael Crawford wrote:
The method for iOS 5 and later on this page looks good:
Please stop reaching in to the UIAlertView hierarchy. As has been
documented forever, this is not supported.
--Kyle Sluder
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on iOS.
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NSEventTrackingRunLoopMode). Either way, the
result is that code sets up a timer or delay-perform that never fires,
which might explain the symptoms you're seeing.
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it’s titled “Manual Segue” to emphasize that this is an
unwind segue which you must invoke yourself via
-performSegueWithIdentifier:sender:.
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, we appreciate bugs that explain why the current
design doesn't work for a particular use case.
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On Wed, Apr 15, 2015, at 12:00 AM, Kyle Sluder wrote:
Segues are transient objects that only exist
Er, I meant that only exist long enough to perform their action. In
other words, if you perform a popover segue, that UIStoryboardSegue
object ceases to exist once the popover is onscreen.
--Kyle
. On the Properties Inspector for that newly-created segue, give it an
identifier.
5. Wire up your bar button item to a method that uses
-performSegueWithIdentifier:sender to trigger the unwind.
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the ContentView. I thought the obvious place to do this was layout, but
it never seems to get called?
As documented, -layout is only called if Auto Layout is enabled or your
view is layer-backed.
How can I manually lay out the Content View?
I recommend you switch to Auto Layout.
--Kyle
, you shouldn't be setting frames with Auto Layout enabled.
They'll get stomped on the next layout passed.
You might want to watch the introductory videos available at
apple.com/wwdc.
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On Wed, Apr 15, 2015, at 03:02 PM, Kyle Sluder wrote:
You might want to watch the introductory videos available at
apple.com/wwdc.
Whoops, the video archive is actually located at
https://developer.apple.com/videos/wwdc.
You might start with the Cocoa Autolayout video from WWDC 2011:
https
.
But then: how to get the UIStoryboardPopoverSegue ?
Segues are transient objects that only exist, and there is no reason to
suspect that UISplitViewController uses them to present the popover.
--Kyle Sluder
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?
--Kyle Sluder
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https
/CarbonCore.framework/Versions/A/Headers/TextCommon.h
.
How to make Swift recognise this file?
Are you importing CoreServices?
Did you try referring to the symbol as
`CoreServices.kUCHighSurrogateRangeStart`?
--Kyle Sluder
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:)
forControlEvents:UIControlEventTouchDownInside];
What is the Equivalent for Mac/Cocoa?
The Mac does not support multiple targets for a single control.
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On Sat, Apr 4, 2015, at 03:13 AM, edward m taffel wrote:
I meant the ColorSync api (what did you think I meant?) but was not aware
iOS did not rely on ColorSync,
The ColorSync API has been deprecated on OS X since 10.6, and has never
existed on iOS.
--Kyle Sluder
enclosing all your controls in an NSBox or other
opaque-enough superview.
Hello, radar://20346986.
Thanks for filing.
--Kyle Sluder
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interface.
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在 2015/3/29 15:40, Kyle Sluder 写道:
On Sun, Mar 29, 2015, at 01:26 AM, GongHao [龚浩] wrote:
Thanks,
Eventually I got it work by doing it in
navigationController:didShowViewController:animated:
UINavigationController will set the content view controller's view size
into a
UINavigationController, setFrame doesn't work any more. Anyone knows how
I can get it work well?
As per the above, the navigation controller owns this frame. It is not
yours to change.
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is not in charge of its view's frame. If
you need the content of a view controller's view to be positioned
differently from where the parent view controller decides the view
should be positioned, you need to add that content as a _subview_ of
your VC's view.
What are you actually trying to achieve?
--Kyle
app via the Home button. If they toggle a setting
and leave, then re-enter your app via a link or other means, they expect
their change to have been persisted.
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find this confusing, please file a Radar.
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use
exceptions for flow control. A higher stack frame might catch this
exception as a normal part of execution.
Change your Exception breakpoint type from All to Objective-C to
avoid breaking into the debugger when these exceptions are thrown.
--Kyle Sluder
SPICE. In my undergrad, I used a Windows program
that was built on top of XSPICE. I just looked, and XSPICE is in the
public domain: http://users.ece.gatech.edu/mrichard/Xspice/
--Kyle Sluder
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trying to create a magic mirror to the one
living in your document window.
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On Sat, Mar 21, 2015, at 10:27 PM, Graham Cox wrote:
I have a requirement that runs my code exactly once per run loop, and I'm
wondering what the modern preferred way to do this is.
Use a run loop observer?
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really a good idea).
Then what would be the best way, given a String, to pass it to a C API
that wants a char*?
String has a .utf8 property that returns a UTF8View. UTF8View is a
Collection of UInt8, and therefore a SequenceType.
Array has an initializer that takes a SequenceType.
--Kyle
while still maintaining the old one.
Just so you know, you can link against the 10.8 SDK and set your minimum
deployment target to 10.7.
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On Mon, Mar 16, 2015, at 04:57 PM, Rick Mann wrote:
Seriously? There's no existing tool to examine the loader information to
see where the call sites are for a given symbol?
Sure there is. http://hopperapp.com
--Kyle Sluder
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region.
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resolution.
Have you filed a Radar about that?
Thanks,
--Kyle Sluder
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category
methods with some unique-to-you prefix.
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, but it doesn’t do anything related to drawing, it
just defines and implements some convenient methods for finding subviews
and superviews of a certain class.
Please post the code for this category. Maybe it's colliding with an
internal implementation detail of the focus ring mechanism.
--Kyle
On Thu, Mar 5, 2015, at 11:30 AM, Jon Baumgartner wrote:
That bug has gotten no response whatsoever from Apple. Any advice on how
to proceed?
Patience. :) Internal activity on a bug is rarely reflected to the
external developer, unless they need to verify the fix or provide
additional
be toggled in System Preferences General Show
Scroll Bars…
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it. Or else there should be an additional
setting in NSScrollView,
-setAutohidesScrollersAndThisTimeIReallyMeanIt:NO
Subclass NSScroller and override +isCompatibleWithOverlayScrollers to
return NO. Then assign an instance of this subclass via
-setHorizontalScroller:.
--Kyle Sluder
be
greatly appreciated.
The modern way to do this would be to have an XPC service exclusively
own the database, and have all other applications talk to the XPC
service to request data.
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it in -applicationDidFinishLaunching:. Usually you create your app's
main window controller here.
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controller is inside the main nib, and again because it's acting
as File's Owner of the window's nib.
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Objective-C Exceptions”.
Yes, “All Objective-C Exceptions” will catch it.
--Kyle Sluder
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at objc_exception_throw. You can select frame 0 and print
the first argument (`po $rdi` on x86-64).
--Kyle Sluder
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descriptive,
but this is most likely not going to be the most helpful place to ask
terminal emulation questions.
--Kyle Sluder
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On Tue, Feb 24, 2015, at 04:57 AM, Charles Jenkins wrote:
My latest fruitless attempt has involved trying to simply cast the value
into something for which NSNumber has a corresponding init():
let size:Float = font.pointSize as Float
let points = NSNumber( float: size )
You need to
}
}]; // end beginSheetModalForWindow
}]; // end performActivityWithSynchronousWaiting
}
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-C Exceptions because of some problem with NSOpenPanel
in C++. As soon as I did that, all NSOpenPanel crashes stopped.
Does this mean you were misinterpreting being stopped in the debugger
for actually having crashed?
--Kyle Sluder
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On Mon, Feb 23, 2015, at 01:48 PM, Marco S Hyman wrote:
lowerCaseString is a non optional property. Therefore it makes no sense
to
write someString.lowercaseString? or someString.lowercaseString!
It's chained through an optional access though. So the type of
foo?.lowercaseString is String?.
On Mon, Feb 23, 2015, at 03:45 PM, Kyle Sluder wrote:
On Mon, Feb 23, 2015, at 03:22 PM, BareFeetWare wrote:
@interface NSObject (Private)
- (NSString *) _shortMethodDescription;
@end
NSString *fullMethodList = [[self class] _shortMethodDescription];
which gives the full header
with uncaught exception of type NSException
zsh: abort /tmp/foo
--Kyle Sluder
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On Mon, Feb 23, 2015, at 04:08 PM, Bill Cheeseman wrote:
On Feb 23, 2015, at 5:02 PM, Charles Srstka cocoa...@charlessoft.com
wrote:
That’s not a crash. That’s just some C++ code deep down in the system
somewhere using exceptions as flow control.
It sure wasted a lot of my
On Sun, Feb 22, 2015, at 12:11 PM, Jens Alfke wrote:
On Feb 22, 2015, at 9:30 AM, Kyle Sluder k...@ksluder.com wrote:
The compiler does keep type info for properties, but that’s not actually
documented.
It’s documented in the “Declared Properties” section of the “Objective-C
of method arguments.
The compiler does keep type info for properties, but that’s not actually
documented.
--Kyle Sluder
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) sets the label color based on the outlet name. Aaahhhrrrgg.
This is on Yosemite, Xcode 6.1.1. Purely informational in case someone else
encounters this.
Seems like addressLabel is another magic IBOutlet name that triggers the
color-setting behavior.
Have you filed a Radar?
--Kyle
of object a method is declared to return. And that information
simply is not available.
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On Fri, Feb 20, 2015, at 12:54 PM, Raglan T. Tiger wrote:
My App has one window which is displayed. I want to display a sheet when
a button is clicked.
In the action for the button click I do:
ETAboutWindowController *windowController = [[ETAboutWindowController
alloc]
-initWithCoder: method is being called?
This depends on whether the prefer coder checkbox was checked when the
XIB was authored. If that checkbox is checked, instantiation behaves
like iOS, where custom views get -initWithCoder: instead of
-initWithFrame:.
--Kyle Sluder
be concerned with memory
management.
Removing observers, unbinding, unregistering notifications, and timer
invalidation all happens in -viewWillMoveToWindow: or another similar
place.
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Please do
On Thu, Feb 5, 2015, at 05:54 PM, Graham Cox wrote:
On 6 Feb 2015, at 6:48 am, Greg Parker gpar...@apple.com wrote:
You can use getrlimit(RLIMIT_NOFILE, …) to query the limit in your process,
and setrlimit(RLIMIT_NOFILE, …) to attempt to raise it. The default limit
may be as low as
to get a process on 10.10 to do by default yet
barring making launchd launch it.
Have you installed Server.app (or upgraded from OS X Server)?
--Kyle Sluder
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to add a
UIView as a subview, pin its sides to its superview, and constrain
_that_ view's height.
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bounced.
The address for moderators is cocoa-dev-adm...@lists.apple.com, which is
mentioned at the bottom of this page:
https://lists.apple.com/mailman/listinfo/cocoa-dev
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Please do
, but that may be
preferable to devoting a chunk of time to a wholesale conversion.
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window. Especially since you probably want any of these
actions to dismiss the screensaver.
You’ll want to be careful to restrict this only to the window that draws your
screensaver, and only to keyboard/mouse/other input events.
--Kyle Sluder
the source implement the required method -[NSDraggingSource
draggingSession:sourceOperationMaskForDraggingContext:]? This is the new
replacement for -draggingSourceOperationMaskForLocal:.
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and replace occurrences of that
with a tilde, but then you have to worry about encodings and all that muck.
Since there’s no security risk here, it’s reasonable to ask that the existing
API work in a sandbox too.
--Kyle Sluder
On Jan 29, 2015, at 7:45 AM, Jon Baumgartner j
like a good enhancement request to file here might be: When
converting a table view from cell-based to view-based, Interface Builder
should automatically add constraints that fill the cell views.
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using AVPlayer.
I'd appreciate a solution as well.
Please file a Radar.
--Kyle Sluder
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On Tue, Jan 27, 2015, at 01:06 PM, Richard Charles wrote:
On Jan 27, 2015, at 11:28 AM, Kyle Sluder k...@ksluder.com wrote:
Historically, I've not been a big Core Data user, but does
-[NSManagedObject setPrimitiveValue:forKey:] not do what you want?
That is a key-value coding method
/current_user portion of the path with a tilde.
So how do I get /Users/current_user/file.txt to output as ~/file.txt
when my app is sandboxed?
Could you please file a Radar describing your use case and share the
number here?
--Kyle Sluder
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to mimic the
behavior you get with auto layout disabled. This makes it possible to
compile, debug, and test your app before you've set up all your
constraints. Without this feature, all your underspecified views get
resized to (0,0,0,0).
--Kyle Sluder
. The custom primitive accessor can’t use Apple’s
backing store because the private internal store used by Core Data for
managed objects is not exposed.
Historically, I've not been a big Core Data user, but does
-[NSManagedObject setPrimitiveValue:forKey:] not do what you want?
--Kyle Sluder
]
context:observationContext];
}
--Kyle Sluder
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On Thu, Jan 22, 2015, at 01:03 AM, Rick C. wrote:
Thanks for the reply. But how can I have multiple icon files in the
bundle and then choose the one I want?
You can't.
--Kyle Sluder
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Please do
, select
the file, and choose Put Back.
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you trash
a file in Finder, or if you trash it via AppleScript.
Ah. You should certainly file a bug on Put Back.
--Kyle Sluder
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DTS and inquiring about
the status of your bug.
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. If NSPathControl needs to read the resource to determine,
say, what icon to provide in a path segment, it will call
-startAccesingSecurityScopedResource on its own.
--Kyle Sluder
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be Spotlight trying to do its best
to fulfill your request.
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componentsToDisplayForPath:]. Then you don’t even need to
canonicalize anything yourself.
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to keep track of it
myself.
Use -rowForItem: and -viewAtColumn:row:makeIfNecessary:.
But you might also want to file a Radar on -reloadItem: not actually requesting
a new view.
--Kyle Sluder
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not a lawyer, nor am I making statements on behalf of Apple
Legal.
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that?
No. There is a hard limit of how long a background task will keep an app alive.
(It’s on the order of a few minutes.)
--Kyle Sluder
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code.
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, can you just use NSReadPixel? That function has existed for a
couple of decades. :)
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/library/mac/samplecode/SonOfGrab/Listings/Controller_m.html#//apple_ref/doc/uid/DTS10004490-Controller_m-DontLinkElementID_4
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malfunction of the app).
WOA. This is NOT the way to solve this problem! NSView and NSScrollView
(may) do important work in -setWindow:! You just haven't noticed what you’ve
broken yet.
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with the
drawing pass.
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that, which would give you the opportunity to use the existing GPU cache
of your drawing.
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aggressive caching
in 10.10).
What are you actually trying to do? That is, why and to what degree does
it matter when and how often -showPackedGlyphs: is called?
Also, have you tried disabling discontiguous layout?
--Kyle Sluder
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/languages/swift
--Kyle Sluder
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they’ll be in a nib or not, but it’s the only way the
language can back up its safety guarantees.
--Kyle Sluder
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are initialized to zero.
What I'm saying is, it's really handy and you should look it up.
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, since
without O_CREAT, open() returns -1 (an invalid file descriptor).
You need to pass O_RDONLY | O_CREAT to open() to ensure that the file
exists before you start trying to monitor it for changes.
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-sendEvent:. May
I suggest you let background window clicks go through to certain key
buttons, like mute playback?
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On Wed, Oct 29, 2014, at 11:57 AM, Quincey Morris wrote:
However, this is the wrong solution. A button that doesn’t click through
should *look* different when the app is in the background (and shouldn’t
do rollover highlighting). So a better solution is to disable buttons you
don’t want
the disassembly for the C++ throw
statement.
Can you please log the actual stack trace along with the exception that is
logged to the console?
--Kyle Sluder
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On Sat, Oct 25, 2014, at 10:15 AM, Jaikanth CK wrote:
Hi All,
I need to extend a class for NSCoding protocol conformance.
You can't do this yet. Required initializers must be implemented in the
main class body, and NSCoding has a required init(coder:) initializer.
--Kyle Sluder
a malformed “this is when I’m relevant” query.
What apps do you have installed that provide extensions?
--Kyle Sluder
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that allowed this. What would it evaluate to if
the caller *didn’t* pass in a method, but rather a pure closure?
--Kyle Sluder
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