Top "Objective-c" questions

This tag should be used only on questions that are about Objective-C features or depend on code in the language.

Differences between strong and weak in Objective-C

I'm new to Obj-C, so my first question is: What are the differences between strong and weak in @property declarations …

objective-c
modal View controllers - how to display and dismiss

I'm breaking my head for the last one week on how to solve the issue with showing and dismissing multiple …

ios objective-c uiviewcontroller presentviewcontroller dismissviewcontroller
UIView Hide/Show with animation

My simple goal is to fade animate hiding and showing functions. Button.hidden = YES; Simple enough. However, is it possible …

ios objective-c uiviewanimation
Global constants file in Swift

In my Objective-C projects I often use a global constants file to store things like notification names and keys for …

ios objective-c swift
Core Data: Quickest way to delete all instances of an entity

I'm using Core Data to locally persist results from a Web Services call. The web service returns the full object …

ios objective-c core-data
Converting NSString to NSDate (and back again)

How would I convert an NSString like "01/02/10" (meaning 1st February 2010) into an NSDate? And how could I turn the NSDate …

ios objective-c nsstring nsdate
How different is Objective-C from C++?

What are the main differences between Objective-C and C++ in terms of the syntax, features, paradigms, frameworks and libraries? *Important: …

c++ objective-c
Xcode 4: How do you view the console?

I can't seem to find a way to have the console run (to show NSLog comments) in XCode 4. The normal …

iphone objective-c xcode4
Change status bar text color to light in iOS 9 with Objective-C

In iOS 9, how do I change the color of the status bar text to white?

objective-c ios9 xcode7 statusbar
Creating an abstract class in Objective-C

I'm originally a Java programmer who now works with Objective-C. I'd like to create an abstract class, but that doesn't …

objective-c abstract-class