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How can I check whether a radio button is selected with JavaScript?
...attribute values, since for some other attribute values, (such as a[href^="http://"]) they would be required, and consistency is more maintainable. Besides, this lets the attribute declaration match the corresponding HTML.
– Manngo
Jul 22 '16 at 4:07
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Prevent automatic browser scroll on refresh
... anchor location in the url. An example would be if you clicked on a link http://example.com/post/244#comment5 and refreshed the page after looking around you would not be at the anchor and the page jumps around. Is there any way to prevent this with javascript? So that no-matter-what you would al...
What limits does scala place on the “acceptable complexity” of inferred types?
...eUploader: {
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Get the current first responder without using a private API
...ends it to the first responder.
(I originally published this answer here: https://stackoverflow.com/a/14135456/322427)
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Do Java arrays have a maximum size?
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Going by this article http://en.wikipedia.org/wiki/Criticism_of_Java#Large_arrays:
Java has been criticized for not supporting arrays of more than 231−1 (about 2.1 billion) elements. This is a limitation of the language; the Java Language Sp...
Why are Python lambdas useful? [closed]
... for more of a history about the deal behind Python's functional features:
http://python-history.blogspot.com/2009/04/origins-of-pythons-functional-features.html
Curiously, the map, filter, and reduce functions that originally motivated the introduction of lambda and other functional features ha...
Check play state of AVPlayer
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For Swift:
AVPlayer:
let player = AVPlayer(URL: NSURL(string: "http://www.sample.com/movie.mov"))
if (player.rate != 0 && player.error == nil) {
println("playing")
}
Update:
player.rate > 0 condition changed to player.rate != 0 because if video is playing in reverse it c...
Why do browsers match CSS selectors from right to left?
...of most of the candidate selectors very quickly. You can see some data at http://groups.google.com/group/mozilla.dev.tech.layout/browse_thread/thread/b185e455a0b3562a/7db34de545c17665 (though the notation is confusing), but the upshot is that for Gmail in particular two years ago, for 70% of the (r...
grep without showing path/file:line
...eUploader: {
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android.content.res.Resources$NotFoundException: String resource ID #0x0
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...