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Sending a message to nil in Objective-C
...nd it's the recommended programming idiom in Objective-C (see the Stanford iPhone programming lectures).
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Jenkins on OS X: xcodebuild gives Code Sign error
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With that knowledge, I then opened the Keychain Access app and copied my "iPhone Developer: xxxx" certificate into the System keychain (Right-click, copy from the "login" keychain).
This got me passed the certificate/private key pair code sign error but opened up another one with the provisioning ...
Swift - Convert to absolute value
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How do I make and use a Queue in Objective-C?
...ection and fast enumeration (both present in 10.5+, but only the latter on iPhone) and you don't have to worry about what is an Objective-C object and what is a C++ object.
Lastly, although NSMutableArray is better than a standard C array when adding and removing from either end, it's also not the ...
How can I put a ListView into a ScrollView without it collapsing?
...le response. If I could share some feedback, I have much more significant iPhone experience, and I can tell you that Apple's documentation is far better written with regard to performance characteristics and use cases (or anti-patterns) like this. Overall, the Android documentation is far more dis...
How does one generate a random number in Apple's Swift language?
...t the base functions are limited to 32-bit integer types (Int is 64-bit on iPhone 5S and modern Macs). Here's a generic function for a random number of a type expressible by an integer literal:
public func arc4random<T: ExpressibleByIntegerLiteral>(_ type: T.Type) -> T {
var r: T = 0
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What does this gdb output mean?
...l)
NSLog(@"audio player not initialized");
else if(TARGET_IPHONE_SIMULATOR)
{
NSLog(@"beep play");
}
else
{
[beep play];
}
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Creating .pem file for APNS?
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Here is what I did, From:blog.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pezzillo.
With the aps_developer_identity.cer in the keychain:
Launch Keychain Access from your local Mac and from the login keychain, filter by the Certificates category. You wil...
How to intercept click on link in UITextView?
... from within a UIWebView here: github.com/nbuggia/Browser-View-Controller--iPhone-.
– Nathan Buggia
Nov 5 '11 at 2:53
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How to manually create icns files using iconutil?
...ill make your app icon look beautiful on every single screen, from a cheap iPhone SE to some high-end Retina display of the latest iMac. You can use Photoshop, GIMP or any other tool of your choice to generate these PNGs.
From the latest Apple's Human Interface Guidelines as of 2020, you should prep...