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OBJECTIVE-C QUESTIONS

CFOptionFlags in Swift 4
CFOptionFlags in Swift 4
this one helps. I'm trying to port Objective C code to Swift 4 for some reasons. , The streamEvents parameter would be:
TAG : objective-c
Date : November 21 2020, 03:00 PM , By : jay ni
One EAGLContext causes another EAGLContext not towork with iOS OpenGL
One EAGLContext causes another EAGLContext not towork with iOS OpenGL
like below fixes the issue after investigating and testing, two GLKViews can show video one by one with below code
TAG : objective-c
Date : November 18 2020, 03:01 PM , By : Yuval Kellner
Why does my UITableViewController not refresh when I use UIRefreshControl?
Why does my UITableViewController not refresh when I use UIRefreshControl?
this one helps. You are responsible for reloading your table view once you have the new data. The refresh control doesn't do anything other than tell you it's been triggered. I'd expect some sort of delegate method or completion block after fetchAllP
TAG : objective-c
Date : November 12 2020, 03:00 PM , By : David Draheim
Loop over an array of UIButtons in Objective-C
Loop over an array of UIButtons in Objective-C
fixed the issue. Will look into that further I have an array of buttons which I want to change some properties in all of them. , Try to set a borderWidth and a cornerRadius to all of them, i.e.:
TAG : objective-c
Date : November 10 2020, 03:01 PM , By : HaneMan
Locating an audio file to play in Objective C
Locating an audio file to play in Objective C
Hope that helps The answer is this:Remember kids, always make sure that your files are assigned to your proper target or things won't show up and won't work. That goes for fonts and audio files especially.
TAG : objective-c
Date : November 06 2020, 03:01 PM , By : wuok
What do you call doing assignment in a conditional?
What do you call doing assignment in a conditional?
it fixes the issue Assuming that an assignment is intentional, there is no special name for this. C language specification places a very weak requirement on the controlling expression of an if statement:
TAG : objective-c
Date : November 04 2020, 03:01 PM , By : Oscar
NSEvent addLocalMonitorForEventsMatchingMask Memory Leak
NSEvent addLocalMonitorForEventsMatchingMask Memory Leak
it helps some times The addLocalMonitorForEventsMatchingMask:handler: method returns the monitor object. You can pass the object to removeMonitor: when you no longer need it and want the system to stop sending events to it.The event monitor creates a
TAG : objective-c
Date : October 22 2020, 08:10 AM , By : eshlin
How to display multiple imported photos with objective c
How to display multiple imported photos with objective c
this will help If the idea is to build up several images in the PreviewVC, then have it launch the picker and have it keep an array of images as a property. That image array in turn becomes the datasource for a table view in the preview vc. In rough
TAG : objective-c
Date : October 21 2020, 08:10 AM , By : Dino Veer
How should I query the number of physical pixels in Retina hardware?
How should I query the number of physical pixels in Retina hardware?
it fixes the issue The scale factor is always integral. So far, it's always 1 or 2. Some day, Apple may introduce 3x display support for macOS.The backing store does not necessarily correspond to physical display pixels. For some "scaled" resolutions
TAG : objective-c
Date : October 21 2020, 08:10 AM , By : PedjaT
Better way to perform logic in one line
Better way to perform logic in one line
To fix this issue Is there a better way to perform this logic in one line? , You can do:
TAG : objective-c
Date : October 17 2020, 08:10 AM , By : user2174712
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