Where are ${EXECUTABLE_NAME} and ${PRODUCT_NAME} defined?

Where can I find information on how to modify these ${EXECUTABLE_NAME} ${PRODUCT_NAME} These are only displayed...

Line width in other angle?

I draw line like this: - (void)drawRect:(CGRect)rect { _lineColor = [UIColor blackColor]; [_lineColor set...

Difference between 'YYYY' and 'yyyy' in NSDateFormatter?

What is exact difference between 'YYYY' and 'yyyy'. I read in this link, it states that A common mistake is to ...

How to open Xcode from terminal??

I noticed my current bash file has export PATH=$PATH:/Applications/MAMP/library/bin which i put there to set up ter...

iTunes software service authentication error domain error 434?

I am uploading iPhone application using latest xCode 8. I have good internet connection and all the relevant setting...

IOS-Facebook Blank white screen after app is authorized?

I am upgrading from Parse v1.6.4 to the latest version and also i am upgrading facebook ios sdk to v4.7. The problem...

DestinationViewController Segue and UINavigationController swift?

So I have a prepareForSegue method like this: override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyOb...

Declaring floats in objective c?

I'm new to Objective-C and I'm having trouble with the whole nonatomic, strong, weak, etc. I'm wondering if I will h...

@property retain, assign, copy, nonatomic in Objective-C?

As someone that's new to Objective-C can someone give me an overview of the retain, assign, copy and any others I'm ...

How to Wait in Objective-C and Swift?

I want to change my UILabel's text after 2 seconds. I tried setting my UILabel's text to "A text", and use sleep(2)...

What is the meaning of “Localization native development region” entry in info.plist??

I don't know if I really understood the function of the "Localization native development region" entry in info.plist...

HTML Email Signature on iOS - Images are not displaying.?

I have created an HTML email signature using the usual tables and inline styling. There is also one image attachmen...

Handling try and throws in Swift 3?

Before Swift 3 I was using: guard let data = Data(contentsOf: url) else { print("There was an error...