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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 ?
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What is the best way to do GUIs in Clojure?
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making Swing fun? They said it wasn't possible!
– Michael Bylstra
Jan 26 '13 at 4:15
9
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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
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pinterest api documentation [closed]
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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...
Are fluid websites worth making anymore? [closed]
...I've designed both, and I don't prefer one over the other.
Although, it's fun to watch the boxes move around as I play with the browser size with a fluid layout, but I can be easily amused.
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How to use glob() to find files recursively?
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because 1-liners are fun: reduce(lambda x, y: x+y, map(lambda (r,_,x):map(lambda f: r+'/'+f, filter(lambda f: fnmatch.fnmatch(f, pattern), x)), os.walk('src/webapp/test_scripts')))
– njzk2
Aug 1 '16 at 18:07...
Why shouldn't I use mysql_* functions in PHP?
What are the technical reasons for why one shouldn't use mysql_* functions? (e.g. mysql_query() , mysql_connect() or mysql_real_escape_string() )?
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