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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...tp://cocoaheads.tumblr.com/post/17757846453/objective-c-literals-for-nsdictionary-nsarray-and:
Objective-C literals: one can now create literals for NSArray, NSDictionary, and NSNumber (just like one can create literals for NSString)
NSArray Literals
Previously:
array = [NSArray arrayWithObjects...
Delete directories recursively in Java
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You should check out Apache's commons-io. It has a FileUtils class that will do what you want.
FileUtils.deleteDirectory(new File("directory"));
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impro...
Close iOS Keyboard by touching anywhere using Swift
... let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: "dismissKeyboard")
//Uncomment the line below if you want the tap not not interfere and cancel other interactions.
//tap.cancelsTouchesInView = false
view.addGestureRecognizer(tap)
}
//Calls this function...
BLE（四）嗅探工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...，8KB RAM和其他功能强大的配套特征及外设。CC2540有两种版本：CC2540F128 / F256，分别为128和256 KB的闪存，结合TI的低功耗蓝牙协议栈，CC2540F128 / F256形成了市场上最灵活，性价比也最高的单模式蓝牙BLE解决方案。
CC2540 USB Dongle的实...
What values should I use for CFBundleVersion and CFBundleShortVersionString?
This is my first iOS app submission and I don't want my app rejected.
7 Answers
7
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“Application tried to present modally an active controller”?
I just came across a crash showing a NSInvalidArgumentException with this message on an app which wasn't doing this before.
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Verify if a point is Land or Water in Google Maps
..._feature. See more at this link http://code.google.com/apis/maps/documentation/geocoding/#Types.
Also you need to check the names of features, if they contain Sea, Lake, Ocean and some other words related to waters for more accuracy. For example the deserts also are natural_features.
Pros - All de...
How to make a transparent UIWebView
... for each row, but the image remains the same). The easiest way, in my opinion, is to put the text in an .rtf file and display it in a UIWebView . Then just put a UIImageView behind the UIWebView .
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Detecting when the 'back' button is pressed on a navbar
I need to perform some actions when the back button(return to previous screen, return to parent-view) button is pressed on a Navbar.
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Get an OutputStream into a String
What's the best way to pipe the output from an java.io.OutputStream to a String in Java?
5 Answers
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