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How to use glOrtho() in OpenGL?
... popular choice for calculating such matrices. http://glm.g-truc.net/0.9.2/api/a00245.html documents both an ortho and frustum operations.
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How to return a value from __init__ in Python?
...lised subclasses. But your library's users are already using your existing API. To preserve it, you override __new__ to return instances of your specialised subclasses.
– Mark Amery
Jan 13 '14 at 22:13
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Android java.lang.VerifyError?
... tracked it down to View.getTag(int) call that is not supported in v. 3 of API
– Bostone
Aug 14 '10 at 6:33
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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...
“From View Controller” disappears using UIViewControllerContextTransitioning
...ad just retrieved them from the view controllers.
– tapi
Jul 5 '14 at 20:14
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I was seeing simila...
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');
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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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