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Common elements in two lists
...).filter(listB::contains).collect(Collectors.toList()));
Java 1.8 Stream API Solutions
Output
[1, 5]
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Iterating through a list in reverse order in java
...re some ways of reverse-iterating the list, with the help of the Streaming API:
List<Integer> list = new ArrayList<Integer>(Arrays.asList(1, 3, 3, 7, 5));
list.stream().forEach(System.out::println); // 1 3 3 7 5
int size = list.size();
ListIterator<Integer> it = list.listIterato...
How to convert linq results to HashSet or HashedSet
...rting an IEnumerable to a HashSet: https://docs.microsoft.com/en-us/dotnet/api/?term=ToHashSet
public static System.Collections.Generic.HashSet<TSource> ToHashSet<TSource> (this System.Collections.Generic.IEnumerable<TSource> source);
It appears that I cannot use it in .NET stan...
Java: Difference between PrintStream and PrintWriter
...er all, you wouldn't want each call to System.out to generate a deprecated API warning! Also, changing the type from PrintStream to PrintWriter on the standard output streams would have broken existing applications.)
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Detecting when user scrolls to bottom of div with jQuery
... more content
}
Source: https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollHeight#Determine_if_an_element_has_been_totally_scrolled
Some elements won't allow you to scroll the full height of the element. In those cases you can use:
var element = docuement.getElementById('flux');
...
How to determine if a record is just created or updated in after_save
... to happen once after a new record has been saved.
More info here: http://api.rubyonrails.org/classes/ActiveRecord/Callbacks.html
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Nodejs Event Loop
...raction around libev or IOCP depending on the platform, providing users an API based on libev. In the node-v0.9.0 version of libuv libev was removed.
Also one picture which describe the Event Loop in Node.js by @BusyRich
Update 05/09/2017
Per this doc Node.js event loop,
The following diag...
To draw an Underline below the TextView in Android
...ml.fromHtml(html));
But Html.fromHtml(String resource) was deprecated in API 24.
So you can use the latest android support library androidx.core.text.HtmlCompat. Before that, you need to include the dependency in your project.
`implementation 'androidx.core:core:1.0.1'`
String html = "<u&g...
How to prevent IFRAME from redirecting top-level window
...away from the page.
Example: https://developer.mozilla.org/en-US/docs/Web/API/Window.onbeforeunload
In HTML5 you can use sandbox property. Please see Pankrat's answer below.
http://www.html5rocks.com/en/tutorials/security/sandboxed-iframes/
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How to limit setAccessible to only “legitimate” uses?
...e only thing that goes around conventional integrity checks. There's a non-API, core Java class called sun.misc.Unsafe that can do pretty much anything at all it wants to, including accessing memory directly. Native code (JNI) can go around this kind of control as well.
In a sandboxed environment (...