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Android: How can I get the current foreground activity (from a service)?
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Update: this no longer works with other apps' activities as of Android 5.0
Here's a good way to do it using the activity manager.
You basically get the runningTasks from the activity manager. It will always return the currently active task first. From there you can get the topActivity.
Examp...
Why are arrays covariant but generics are invariant?
... Object[] num = new Number[4]; num[1]= 5; num[2] = 5.0f; num[3]=43.4; System.out.println(Arrays.toString(num)); num[0]="hello";
– eagertoLearn
Sep 6 '13 at 22:07
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Add missing dates to pandas dataframe
... results:
val
date
2013-09-02 2.0
2013-09-03 15.0 <- mean of original values for 2013-09-03
2013-09-04 NaN <- NaN b/c date not present in orig
2013-09-05 NaN <- NaN b/c date not present in orig
2013-09-06 5.0
2013-09-07 1.0
I left the missing ...
How to avoid explicit 'self' in Python?
... * (1+s*(x-x0)**2) + y0 )
g = MyFunkyGaussian(2.0, 1.5, 3.0, 5.0, 0.0)
print(g.calc1(0.5))
print(g.calc2(0.5))
print(g.calc3(0.5))
The third example - i.e. using for k in self.__dict__ : exec(k+'= self.'+k) is basically what the question is actually asking for, but let me be clear th...
Java 7 language features with Android
...or by the Android compiler:
Android requires compiler compliance level 5.0 or 6.0. Found '1.7' instead. Please use Android Tools > Fix Project Properties.
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Is it possible to set a custom font for entire of application?
...ospace</item>
</style>
</resources>
API 21 Android 5.0
I've investigated the reports in the comments that it doesn't work and it appears to be incompatible with the theme android:Theme.Material.Light.
If that theme is not important to you, use an older theme, e.g.:
<sty...
What's the UIScrollView contentInset property for?
...
Obj-C
aScrollView.contentInset = UIEdgeInsetsMake(0, 0, 0, 7.0);
Swift 5.0
aScrollView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 7.0)
Here's a good iOS Reference Library article on scroll views that has an informative screenshot (fig 1-3) - I'll replicate it via text here...
Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
..._nullability option is available here: http://docs.jboss.org/hibernate/orm/5.0/userguide/html_single/Hibernate_User_Guide.html#configurations-mapping.
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How do I apply a perspective transform to a UIView?
...rspectiveTransform = CATransform3DRotate(rotationAndPerspectiveTransform, 45.0f * M_PI / 180.0f, 0.0f, 1.0f, 0.0f);
layer.transform = rotationAndPerspectiveTransform;
Swift 5.0
if let myView = self.subviews.first {
let layer = myView.layer
var rotationAndPerspectiveTransform = CATransform...
Default function arguments in Rust
...as f64)
}
fn main() {
println!("{}", foo(()));
println!("{}", foo(5.0));
println!("{}", foo(-3));
println!("{}", foo((2.0, 6)));
}
This choice is obviously a lot more code, but unlike the macro design it uses the type system which means the compiler errors will be more helpful to ...