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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
...
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 ...
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
...foo/bar)
Note: this used to be different in some older PHP versions (<= 5.0 ?).
Example 2.
REQUEST_URI is different from SCRIPT_NAME when a non-empty query string is entered:
http://example.com/test.php?foo=bar
[SCRIPT_NAME] => /test.php
[REQUEST_URI] => /test.php?foo=bar
Example 3.
REQ...