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How do I associate file types with an iPhone application?
...an the already-existing custom URL schemes. You can register your application to handle particular document types, and any application that uses a document controller can hand off processing of these documents to your own application.
For example, my application Molecules (for which the source cod...
How to get HTTP response code for a URL in Java?
...
HttpURLConnection:
URL url = new URL("http://example.com");
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
connection.setRequestMethod("GET");
connection.connect();
int code = connection.getResponseCode();
This...
How do I move the turtle in LOGO? [closed]
...current sprite's shape
SHOWTURTLE [ST] - Make turtle visible
SPLITSCREEN - Mixed graphics and text screen (same as pressing F3)
STAMPCHAR - Make the turtle stamp a character at the current location, e.g. STAMPCHAR "A
TELL - Tell designated sprite to receive commands, e.g. TELL 2
TEXTSCREEN - Use who...
PowerShell Script to Find and Replace for all Files with a Specific Extension
I have several configuration files on Windows Server 2008 nested like such:
8 Answers
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Prevent segue in prepareForSegue method?
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It's possible in iOS 6 and later:
You have to implement the method
- (BOOL)shouldPerformSegueWithIdentifier:(NSString *)identifier sender:(id)sender
In your view controller. You do your validation there, and if it's OK then return YES; i...
How to convert OutputStream to InputStream?
...ere you write data to. If some module exposes an OutputStream, the expectation is that there is something reading at the other end.
Something that exposes an InputStream, on the other hand, is indicating that you will need to listen to this stream, and there will be data that you can read.
So it ...
How to determine if an NSDate is today?
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In macOS 10.9+ & iOS 8+, there's a method on NSCalendar/Calendar that does exactly this!
- (BOOL)isDateInToday:(NSDate *)date
So you'd simply do
Objective-C:
BOOL today = [[NSCalendar currentCalendar] isDateInToday:date];
Swift 3:
le...
Color Tint UIButton Image
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As of iOS 7, there is a new method on UIImage to specify the rendering mode. Using the rendering mode UIImageRenderingModeAlwaysTemplate will allow the image color to be controlled by the button's tint color.
Objective-C
UIButton...
How to pretty print XML from Java?
I have a Java String that contains XML, with no line feeds or indentations. I would like to turn it into a String with nicely formatted XML. How do I do this?
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JavaScript displaying a float to 2 decimal places
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You could try mixing Number() and toFixed().
Have your target number converted to a nice string with X digits then convert the formated string to a number.
Number( (myVar).toFixed(2) )
See example below:
var myNumber = 5.01;
var...