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Set operations (union, intersection) on Swift array?
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Yes, Swift has the Set class.
let array1 = ["a", "b", "c"]
let array2 = ["a", "b", "d"]
let set1:Set<String> = Set(array1)
let set2:Set<String> = Set(array2)
Swift 3.0+ can do operations on sets as:
firstSet.union(secondSet)// Union of two sets
firstSet.intersection(secondSet)...
In vim, how do I get a file to open at the same line number I closed it at last time?
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T Zengerink
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answered Apr 21 '09 at 21:03
moinudinmoinudin
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Check if element is visible in DOM
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652
According to this MDN documentation, an element's offsetParent property will return null wheneve...
What is the difference between the different methods of putting JavaScript code in an ?
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edited Aug 31 at 4:29
fcdt
2,01211 gold badge88 silver badges2323 bronze badges
answered Oct 29 '...
Which maven dependencies to include for spring 3.0?
... do my first project with Spring 3.0 (and maven). I have been using Spring 2.5 (and primer versions) in quite some projects. Nevertheless I am kinda confused, what modules I have to define as dependencies in my pom.xml. I just want to use the core container functions (beans, core, context, el).
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Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?
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Dmitry Minkovsky
27.1k2020 gold badges9090 silver badges127127 bronze badges
answered Sep 25 '12 at 0:50
Cal SCal S
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Why is reading lines from stdin much slower in C++ than Python?
...ed together. For example:
int myvalue1;
cin >> myvalue1;
int myvalue2;
scanf("%d",&myvalue2);
If more input was read by cin than it actually needed, then the second integer value wouldn't be available for the scanf function, which has its own independent buffer. This would lead to unexp...
How can I combine hashes in Perl?
... the best way to combine both hashes into %hash1? I always know that %hash2 and %hash1 always have unique keys. I would also prefer a single line of code if possible.
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How to grep a text file which contains some binary data?
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vielmettivielmetti
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