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Convert an NSURL to an NSString
...e user can choose an image either from the built-in app images or from the iphone photo library. I use an object Occasion that has an NSString property to save the imagePath .
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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...这里是单字节0x01，表示高电平）
signed - 表示values数据是否是有符号的数值（假表示无符号）
serviceUuid - 服务UUID，通俗来讲它就是硬件的唯一身份ID
characteristicUuid - 特性UUID，通俗来讲它是硬件中某一功能的唯一身份ID
UUID...
How to load local html file into UIWebView
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without inDirectory i got: iPhone Simulator/4.3.2/Applications/49351078-9423-4A24-8E58-B2A059961097/WebviewTest.app/sample.html but the html didn't show up in the screen it was still empty. I'm i missing something else? Here's the sample project: http:...
Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?
...NSLog(@"User has rotated to portrait");
}
}
@end
I was testing on an iPhone in the simulator, but my print statements won't get run if I test using the iPad since the traitsCollection won't change.
This is strange because this is exactly what Apple recommends:
- (void) traitCollectionDidChan...
How to inspect Javascript Objects
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That piece of code totally wrecked Safari Mobile on iPhone. I'd go for the JSON.stringify solution below for a safer alternative.
– Daniel
Aug 29 '12 at 9:35
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UIActionSheet cancel button strange behaviour
...rController's view, then the UIActionSheet acts as expected.
NOTE: in iPhone OS 2.1 and earlier, the UIActionSheet came up from the top of the tab bar when you pass the child view, but in 2.2, it comes up from the bottom of the tab bar, and thus covers the tab view.
http://openradar.appspot.c...
How to take a screenshot programmatically on iOS
... remember to multiple by the scale factor when running on an iPhone 4 :-)
– MrDatabase
Feb 5 '11 at 19:51
1
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技术人员如何创业《一》—— 产品及想法 - 资讯 - 清泛网 - 专注C/C++及内核技术
...的学生交友、如何通过熟人关系网络邮件营销、添加用户是否单身的标示（最后这个功能大获成功）。
看到这里其实大家会想到，其实facebook的成功并不是因为他本身产品的技术多么牛，而是他把握好了产品用户的心理、选择...
Delete keychain items when an app is uninstalled
I am using idandersen's scifihifi-iphone code for keychain and save password using
8 Answers
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How to push both value and key into PHP array
...asn't been posted yet:
$arr = ['company' => 'Apple', 'product' => 'iPhone'];
$arr += ['version' => 8];
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