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Intercept page exit event
...hortly get a subsequent unload event, developer.mozilla.org/en-US/docs/Web/API/Window/unload_event but I don't think there's a synchronous way.
– scipilot
May 17 at 2:03
add a...
How can I sort a List alphabetically?
...).sortedCopy(names);
Another option is to sort in-place via Collections API:
Collections.sort(names);
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How to Display Selected Item in Bootstrap Button Dropdown Title
... to "$(document).ready(function() {});" you can find more information here:api.jquery.com/ready
– Jai
Nov 18 '12 at 12:11
1
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What ports does RabbitMQ use?
...y slow... and it requires root privileges. You can do the same, much more rapidly, with netstat -an | egrep '\.(4369|25672).*LISTEN'
– dland
May 9 '16 at 14:52
...
Difference between “change” and “input” event for an `input` element
...is.tagName + " | " + this.value);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="text" />
<select>
<option>Alice</option>
<option>Bob</option>
<option>Carol</option>
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cocoapods - 'pod install' takes forever
...r/:repo
so, for example, to find out about the above repo type
https://api.github.com/repos/typhoon-framework/Typhoon
and the returned JSON will have a size key, value. so the above returned
"size": 94014,
which is approx 90mb. no wonder it's taking forever! (btw.. by the time I wrote this...
Eager load polymorphic
...ions are only supported by preload. It's in the documentation here: http://api.rubyonrails.org/v5.1/classes/ActiveRecord/EagerLoadPolymorphicError.html
So always use preload for polymorphic associations. There is one caveat for this: you cannot query the polymorphic assocition in where clauses (whi...
How to use WinForms progress bar?
...il here:
Async in 4.5: Enabling Progress and Cancellation in Async APIs
Reporting Progress from Async Tasks by Stephen Cleary
Task parallel library replacement for BackgroundWorker?
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How to perform OR condition in django queryset?
...Update 2019-06-20: This is now fully documented in the Django 2.1 QuerySet API reference. More historic discussion can be found in DjangoProject ticket #21333.
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Creating an array of objects in Java
...elements provided by some "factory", since Java 8 (which introduces stream API) we can use this one-liner:
A[] a = Stream.generate(() -> new A()).limit(4).toArray(A[]::new);
Stream.generate(() -> new A()) is like factory for separate A elements created in a way described by lambda, () ->...