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Prevent form submission on Enter key press
...op down and one radio button . When the enter key is pressed, I want to call my JavaScript function, but when I press it, the form is submitted.
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Struct constructor: “fields must be fully assigned before control is returned to the caller.”
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@RogerWillcocks, just call the default constructor then: public YourStruct(some params) : this() (see vittore's answer)
– Thomas Levesque
Nov 27 '12 at 2:25
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What's the best way to share data between activities?
...onContext();
String data = app.getData();
Static fields
The idea is basically the same as the singleton, but in this case you provide static access to the data:
public class DataHolder {
private static String data;
public static String getData() {return data;}
public static void setData(St...
AI2 Media Notification
...-08-15 Since Android 12 (even earlier?), the app no longer opens automatically when you click on the notification. Fabio told me what needed to be changed. 1.6 (2023-11-23) Adapted to Android 14 Download Usage About notification channels Configuration Foreground service / ...
Maintain/Save/Restore scroll position when returning to a ListView
...e top of the ListView. Then, to restore the ListView's scroll position, we call ListView.setSelectionFromTop() with the index of the item we want and an offset to position its top edge from the top of the ListView.
share
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No route matches “/users/sign_out” devise rails 3
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The ability to make the Logout link a DELETE RESTful call requires an html attribute data-method = "delete" by using the rails code = link_to('Logout', destroy_user_session_path, :method => :delete).
However, if you do not have the gem jquery-ujs installed or are not calli...
Node.js Best Practice Exception Handling
... // no error occured, continue on
console.log('4/0='+result)
}
For callback-based (ie. asynchronous) code, the first argument of the callback is err, if an error happens err is the error, if an error doesn't happen then err is null. Any other arguments follow the err argument:
var divide = ...
React ignores 'for' attribute of the label element
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The for attribute is called htmlFor for consistency with the DOM property API. If you're using the development build of React, you should have seen a warning in your console about this.
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Exception thrown in NSOrderedSet generated accessors
... before passing back to the NSManagedObject, which should if any reason be calling isEqualToOrderedSet to determine if the set needs to even change or be left as is.
– InitJason
Jan 19 '12 at 17:42
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Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
...rst of all you have to find an image of the back button. I used a nice app called Extractor that extracts all the graphics from iPhone.
In iOS7 I managed to retrieve the image called UINavigationBarBackIndicatorDefault and it was in black colour, since I needed a red tint I change the colour to red ...