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Sorted collection in Java

...just for the purpose of having a sorted list. It is named (somewhat out of order with the other Sorted* interfaces) "java.util.PriorityQueue". It can sort either Comparable<?>s or using a Comparator. The difference with a List sorted using Collections.sort(...) is that this will maintain a pa...
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UICollectionView inside a UITableViewCell — dynamic height?

... Here's what fixed it for me - in systemLayoutSizeFitting, reverse the order of what's shown in the answer currently, so that first collectionView.layoutIfNeeded() runs, then collectionView.frame = CGRect.init(origin: .zero, size: CGSize.init(width: targetSize.width, height: 1)) ...
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How do I initialize a byte array in Java?

...vate static final char[] CDRIVES_char = new char[] {0xe0, 0xf4, ...}; In order to have an equivalent byte array one might deploy conversions as public static byte[] charToByteArray(char[] x) { final byte[] res = new byte[x.length]; for (int i = 0; i < x.length; i++) { res[...
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What is the HTML tabindex attribute?

... tabindex is a global attribute responsible for two things: it sets the order of "focusable" elements and it makes elements "focusable". In my mind the second thing is even more important than the first one. There are very few elements that are focusable by default (e.g. <a> and form cont...
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How to determine equality for two JavaScript objects?

... @scotts Other problem with converting to JSON is that the order of the properties in the string becomes significant. {x:1, y:2} !== {y:2, x:1} – Stijn de Witt Mar 1 '16 at 21:51 ...
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Return 0 if field is null in MySQL

... Would that be IFNULL((SELECT SUM(uop.price * uop.qty) FROM uc_order_products uop WHERE uo.order_id = uop.order_id) AS products_subtotal, 0)? – Kevin Oct 22 '10 at 13:46 ...
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Why does direction of index matter in MongoDB?

...me way and uses it as the key in a BTree. When finding single items - The order of the nodes in the tree is irrelevant. If you are returning a range of nodes - The elements close to each other will be down the same branches of the tree. The closer the nodes are in the range the quicker they can b...
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Get last record in a queryset

...se() should generally only be called on a QuerySet which has a defined ordering (e.g., when querying against a model which defines a default ordering, or when using order_by()). If no such ordering is defined for a given QuerySet, calling reverse() on it has no real effect (the order...
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Why doesn't JavaScript have a last method? [closed]

...e other array." If the developer wants to get a reference "array.last" in order to do something with the value of the last element in their original array, and the array values happen to be string or number literals, this method will not work. – 1nfiniti May 2...
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How to ignore a property in class if null, using json.net

...mstances, it's not always possible to use it. This is just what the doctor ordered. – Christian Findlay Jun 20 '18 at 10:05 1 ...