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Remove duplicate values from JS array [duplicate]

...are about types (e.g. it's always numbers), this solution is optimal. The best from two worlds A universal solution combines both approaches: it uses hash lookups for primitives and linear search for objects. function uniq(a) { var prims = {"boolean":{}, "number":{}, "string":{}}, objs = []; ...
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How to get all possible combinations of a list’s elements?

...s posted it as an answer. Since it's probably one of the better if not the best approach to the problem—and given a little encouragement from another commenter, it's shown below. The function produces all unique combinations of the list elements of every length possible (including those containing...
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Using build types in Gradle to run same app that uses ContentProvider on one device

... The best answer IMHO. Nice short and simple example. – rekire Jul 30 '14 at 8:50 ...
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How do I remove an item from a stl vector with a certain value?

...e last vector element then resize(). With an ordered container, you'll be best off with ‍std::vector::erase(). Note that there is a std::remove() defined in <algorithm>, but that doesn't actually do the erasing. (Read the documentation carefully). ...
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When should I use the HashSet type?

...Search gives O(log n) performance. If the list is short, this could be the best performing option. It always has less space overhead than HashSet, Dictionary, or List. Even with BinarySearch, it's not faster for large sets, but for small sets it'd be worth experimenting. Mine has several hundred ite...
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How can I create a two dimensional array in JavaScript?

... Best answer ! However, I would not recommend to use it with 0 or 1 parameters (useless) – Apolo May 15 '14 at 14:11 ...
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Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no

...lve the issue. That will work but is a quick and easy solution but not the best one. As you can see for a normal case. Updating data adapter from background thread and calling notifyDataSetChanged in UI thread works. This illegalStateException arises when a ui thread is updating the view and anot...
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ReactJS Two components communicating

... The best approach would depend on how you plan to arrange those components. A few example scenarios that come to mind right now: <Filters /> is a child component of <List /> Both <Filters /> and <List />...
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Reliable method to get machine's MAC address in C#

... Selecting first is not always best option. Selecting most used connection: stackoverflow.com/a/51821927/3667 – Ramunas Aug 13 '18 at 12:32 ...
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How can I make an entire HTML form “readonly”?

... Best solution for client side :) +1 – Sisir Apr 2 '15 at 7:01 1 ...