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How to run a method every X seconds
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With Kotlin, we can now make a generic function for this!
object RepeatHelper {
fun repeatDelayed(delay: Long, todo: () -> Unit) {
val handler = Handler()
handler.postDelayed(object : Runnable {
override fun r...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...yes nice but overkill, especially considering it is pretty much deprecated now for php 5.7
– Andrew
Mar 21 '16 at 17:30
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What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
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@KirillRakhman Now Project Explorer opens projects with double click. Tested on version 2019-03.
– Marco Sulla
Jul 16 '19 at 13:54
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Why is the String class declared final in Java?
...dd a sentence as to how preventing subclasses enforces immutability. Right now, it is kind of a half-answer.
– Thilo
Jan 15 '10 at 1:29
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Can grep show only words that match search pattern?
... I'm not sure under what conditions it does and doesn't display, but I do know that when I used grep across a number of directories it did display the full file path for all matched files, whereas with -h it just displayed the matched words without any specification about which file it is. So, to m...
Android list view inside a scroll view
...get.LinearLayoutCompat>
</androidx.core.widget.NestedScrollView>
Now you can get rid of all the ugly hacks we did to get around this nested scrolling.
It's time to play. Hell Yeeeeeeeeeeeeeeeeeah!
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Is iterating ConcurrentHashMap values thread safe?
...if an existing iterator will reflect later changes to the map. So I don't know, and by specification no one does (without looking at the code, and that may change with every update of the runtime). So you can't rely on it.
– Waldheinz
Oct 3 '15 at 8:06
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How do browsers pause/change Javascript when tab or window is not active?
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Great answer. Any other possible known differences for functions other than setInterval and requestAnimationFrame?
– Andrew Mao
Apr 16 '13 at 20:11
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How to throw a C++ exception
...pretty important - because it highlights the fact it is a temporary object now - so modification is useless.
– Adrian Cornish
Dec 12 '11 at 21:03
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append to url and refresh page
...aram=42';
We don't have to alter the entire url, just the query string, known as the search attribute of location.
When you are assigning a value to the search attribute, the question mark is automatically inserted by the browser and the page is reloaded.
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