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SSL Error: unable to get local issuer certificate
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How to retrieve an element from a set without removing it?
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Two options that don't require copying the whole set:
for e in s:
break
# e is now an element from s
Or...
e = next(iter(s))
But in general, sets don't support indexing or slicing.
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Required tags not present when using Delphi XML Data Binding Wizard
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runOnUiThread vs Looper.getMainLooper().post in Android
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How to get the last element of an array in Ruby?
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jQuery “Does not have attribute” selector?
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Comparing two CGRects
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initialize a vector to zeros C++/C++11
...be done this way
std::vector<SomeStruct> someStructVect(length);
memset(someStructVect.data(), 0, sizeof(SomeStruct)*length);
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
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Edited
ES6 solution:
[...new Set(a)];
Alternative:
Array.from(new Set(a));
Old response. O(n^2) (do not use it with large arrays!)
var arrayUnique = function(a) {
return a.reduce(function(p, c) {
if (p.indexOf(c) < 0) p.push(c);
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When to use leading slash in gitignore
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