大约有 1,645 项符合查询结果（耗时：0.0091秒） [XML]
How to grey out a button?
...without having to create a state list, I would create a Kotlin extension.
fun View.disable() {
getBackground().setColorFilter(Color.GRAY, PorterDuff.Mode.MULTIPLY)
setClickable(false)
}
In Java you can do something is similar with a static util function and you would just have to pass in ...
Can I have onScrollListener for a ScrollView?
...ow the scroll position of a view, then you can use the following extension function on View class:
fun View?.onScroll(callback: (x: Int, y: Int) -> Unit) {
var oldX = 0
var oldY = 0
this?.viewTreeObserver?.addOnScrollChangedListener {
if (oldX != scrollX || oldY != scrollY) {...
What's the difference between lapply and do.call?
I'm learning R recently and confused by two function: lapply and do.call . It seems that they're just similar to map function in Lisp. But why are there two functions with such a different name? Why doesn't R just use a function called map ?
...
What is the best way to do GUIs in Clojure?
...
making Swing fun? They said it wasn't possible!
– Michael Bylstra
Jan 26 '13 at 4:15
9
...
How to make a copy of a file in android?
...
Kotlin extension for it
fun File.copyTo(file: File) {
inputStream().use { input ->
file.outputStream().use { output ->
input.copyTo(output)
}
}
}
...
How do 20 questions AI algorithms work?
...get there you can click on the code link to see it: openbookproject.net/py4fun/animal/animal.html
– Noctis Skytower
Jul 1 '10 at 22:49
...
pinterest api documentation [closed]
...
tijn.bo.lt is a dead link.
– funroll
Jun 5 '13 at 19:14
2
you can still g...
Multiple cases in switch statement
...e(11,20).Contains(c))
DoAnotherThing();
But I think we can have more fun: since you won't need the return values and this action doesn't take parameters, you can easily use actions!
public static void MySwitchWithEnumerable(int switchcase, int startNumber, int endNumber, Action action)
{
...
How can I create an object and add attributes to it?
...to make a "bunch class", a very simple one already exists in Python -- all functions can have arbitrary attributes (including lambda functions). So, the following works:
obj = someobject
obj.a = lambda: None
setattr(obj.a, 'somefield', 'somevalue')
Whether the loss of clarity compared to the ven...