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Determine if Android app is being used for the first time
...he beginning if it is the first start in a new version. You can use this information to display a "Whats new" dialog, for example.
The following code should work from any android class that "is a context" (activities, services, ...). If you prefer to have it in a separate (POJO) class, you could co...
Sorting related items in a Django template
...for cleaner access from the application code, although there is a small performance penalty involved (< 30 ns on my laptop). This is of course a matter of style and highly subjective.
– tawmas
Jan 22 '14 at 23:57
...
How can I get sin, cos, and tan to use degrees instead of radians?
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
How do I view events fired on an element in Chrome DevTools?
I have a customizable form element on a page from a library. I want to see what javascript events are fired when I interact with it because I am trying to find out which event handler to use.
...
Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
How to draw a line in android
...
This one draws 2 lines which form a cross on the top left of the screen:
DrawView.java
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
public clas...
Remove a folder from git tracking
... me (although I tried many times).
The only way I could actually stop git form tracking the folder was to do the following:
Make a backup of the local folder and put in a safe place.
Delete the folder from your local repo
Make sure cache is cleared git rm -r --cached your_folder/
Add your_folder/...
What is the purpose of the '@' symbol in CSS?
...'s computer had the font.
@media rules, in conjunction with media queries (formerly only media types), control which styles are applied and which aren't based on what media the page is being displayed in. In my code example, only when printing a document should all text be set in black against a whi...
How to return multiple objects from a Java method?
... b) {
this.a = a;
this.b = b;
}
};
Edit A more fully formed implementation of the above:
package util;
public class Pair<A,B> {
public static <P, Q> Pair<P, Q> makePair(P p, Q q) {
return new Pair<P, Q>(p, q);
}
public final A a;...
How to check if variable's type matches Type stored in a variable
...imal).IsAssignableFrom(x.GetType()); (and Resharper will suggest using the former if you use the latter).
– Mark Amery
May 26 '17 at 10:19
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