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HTML5 dragleave fired when hovering a child element
...d');
}
}
});
Note: In the drop event, reset counter to zero, and clear the added class.
You can run it here
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How to enable file sharing for my app?
... editing info.plist directly, below should help you, don't key in "YES" as string below:
<key>UIFileSharingEnabled</key>
<string>YES</string>
You should use this:
<key>UIFileSharingEnabled</key>
<true/>
...
OnCreateOptionsMenu() not called in Fragment
... I made the change,but app crashes with 11-27 01:55:34.468: E/AndroidRuntime(12294): Caused by: java.lang.ClassCastException: com.android.internal.view.menu.MenuItemImpl cannot be cast to android.widget.SearchView
– Android_programmer_office
Nov 26...
How to grep a text file which contains some binary data?
...
You can use "strings" to extract strings from a binary file, for example
strings binary.file | grep foo
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How to run a JAR file
...ed two files:
Test.java:
public class Test
{
public static void main(String[] args)
{
System.out.println("Hello world");
}
}
manifest.mf:
Manifest-version: 1.0
Main-Class: Test
Note that the text file must end with a new line or carriage return.
The last line will not be p...
Blocks and yields in Ruby
...Or, we can also provide a custom sort algorithm, for instance based on the string size:
days.sort do |x,y|
x.size <=> y.size
end
=> ["monday", "friday", "tuesday", "thursday", "wednesday"]
I hope this helps you to understand it better.
BTW, if the block is optional you should cal...
Java: recommended solution for deep cloning/copying an instance
...ontrol over what to and what not to clone (for example using transient, or String[] ignoreProperties), so reinventing the wheel isn't preferred.
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angular.element vs document.getElementById or jQuery selector with spin (busy) control
...
working with Google Maps API, and this worked: var autocomplete = new google.maps.places.Autocomplete( $document[0].querySelector('#address'), { types: ['geocode'], componentRestrictions: {country: 'us'} } );. Thanks for the tip ...
How do you test to see if a double is equal to NaN?
... the following code.
public class Not_a_Number {
public static void main(String[] args) {
// TODO Auto-generated method stub
String message = "0.0/0.0 is NaN.\nsimilarly Math.sqrt(-1) is NaN.";
String dottedLine = "------------------------------------------------";
D...
What does !! mean in ruby?
...method to return a boolean. It will detect any kind of truthiness, such as string, integers and what not, and turn it into a boolean.
!"wtf"
# => false
!!"wtf"
# => true
A more real use case:
def title
"I return a string."
end
def title_exists?
!!title
end
This is useful when you w...