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What is simplest way to read a file into String? [duplicate]
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Yes, you can do this in one line (though for robust IOException handling you wouldn't want to).
String content = new Scanner(new File("filename")).useDelimiter("\\Z").next();
System.out.println(content);
This uses a java.util.Scanner, telling it to delimit the input with \Z...
Design for Facebook authentication in an iOS app that also accesses a secured web service
Goal:
Allow a user to authentication with Facebook into an iOS application which requires access to a protected web service that I'm running.
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How to get client's IP address using JavaScript?
...ow are all the free active IP lookup services I could find and the information they return. If you know of any more, then please add a comment and I'll update this answer.
Cloudflare
Try it: https://www.cloudflare.com/cdn-cgi/trace
// If your site is on Cloudflare, then you can use '/cdn-cgi/trace'...
Unicode (UTF-8) reading and writing to files in Python
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In the notation
u'Capit\xe1n\n'
the "\xe1" represents just one byte. "\x" tells you that "e1" is in hexadecimal.
When you write
Capit\xc3\xa1n
into your file you have "\xc3" in it. Those are 4 bytes and in your code you read them a...
Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?
I'm trying to implement the new viewWillTransitionToSize method which has been introduced in iOS 8 (all other rotation methods have been deprecated). I'd like to know what the equivalent of didRotateFromInterfaceOrientation is now as there are a number of clean up tasks we need to perform and I ...
Is it possible to force ignore the :hover pseudoclass for iPhone/iPad users?
...on't think the "one tap to hover and two to click" approach is a good solution. Since there is in fact no actual hover on a touch device (until they come with screens that sense your finger hovering over it), I think it's better to not simulate hovering at all. For effects, like those common on butt...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
...设备（以上的数据透传演示BLE硬件就是作为从机的）
IO口控制可以使用厂商提供的App进行IO口控制，也可以使用App Inventor 2 编程实现控制IO口电平的高/低，对应LED的开/关。3、App Inventor 2 开发自己的蓝牙App主要用到 BlueToothLE 拓...
How to disable/enable the sleep mode programmatically in iOS?
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You can disable the idle timer as follows;
In Objective-C:
[UIApplication sharedApplication].idleTimerDisabled = YES;
In Swift:
UIApplication.sharedApplication().idleTimerDisabled = true
In Swift 3.0 & Swift 4.0:
UIApplication.shared.isIdleTimerDisabled = true
Set it back to NO or f...
Xcode Simulator: how to remove older unneeded devices?
I'm running Xcode 4.3.1 iOS-Simulator which originally only supports iOS 5.1.
18 Answers
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Get file name from URI string in C#
...ri uri = new Uri(hreflink);
if (uri.IsFile) {
string filename = System.IO.Path.GetFileName(uri.LocalPath);
}
This does all of the error checking for you, and is platform-neutral. All of the special cases get handled for you quickly and easily.
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