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Objective-C and Swift URL encoding
...To escape the characters you want is a little more work.
Example code
iOS7 and above:
NSString *unescaped = @"http://www";
NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]];
NSLog(@"escapedString: %@", escapedS...
What are Unwind segues for and how do you use them?
iOS 6 and Xcode 4.5 has a new feature referred to as "Unwind Segue":
6 Answers
6
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Can I disable autolayout for a specific subview at runtime?
...nd then add it back may be decrease performance.Can we archive better solution?
– Nhat Dinh
Oct 22 '14 at 3:48
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Making the iPhone vibrate
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From "iPhone Tutorial: Better way to check capabilities of iOS devices":
There are two seemingly similar functions that take a parameter kSystemSoundID_Vibrate:
1) AudioServicesPlayAlertSound(kSystemSoundID_Vibrate);
2) AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
Bot...
Adding devices to team provisioning profile
I need to add a device to my team provisioning profile, however I do not physically have the device so I can't hook it up to my computer so Xcode can't add the UDID to my devices and to the team provisioning profile. Is there a way to add it manually to the team provisioning profile, I can't figure...
Xcode “The private key for is not installed on this mac - distributing”
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Try following these steps:
Revoke your existing iOS Distribution Certificate from the iOS developer website.
Generate a new iOS Distribution Certificate by going to XCode Preferences->Accounts->View Details and then clicking the + underneath the list of signing ident...
iOS: Compare two dates
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According to Apple documentation of NSDate compare:
Returns an NSComparisonResult value that indicates the temporal ordering of the receiver and another given date.
- (NSComparisonResult)compare:(NSDate *)anotherDate
Parameters anotherDate
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Embedding Python in an iPhone app
...something like libPython.a that can be statically linked into your application. Once you have a .a, that can be added to the Xcode project for your application(s) and, from there, it'll be linked and signed just like the rest of your app.
IIRC (it has been a while since I've built python by hand) ...
Serialize an object to XML
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You have to use XmlSerializer for XML serialization. Below is a sample snippet.
XmlSerializer xsSubmit = new XmlSerializer(typeof(MyObject));
var subReq = new MyObject();
var xml = "";
using(var sww = new StringWriter())
{
using(XmlWriter writer = XmlWriter.Cre...
What is WebKit and how is it related to CSS?
More recently, I have been seeing questions with the tag "webkit". Such questions usually tend to be web-based questions relating to CSS, jQuery, layouts, cross-browers compatibility issues, etc...
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