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Why would anyone use set instead of unordered_set?

...er places. What I understand is that unordered_set is hash table with O(1) lookup complexity. On the other hand, set is nothing but a tree with log(n) lookup complexity. Why on earth would anyone use set instead of unordered_set? i.e is there a need for set anymore? ...
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How do I get the number of days between two dates in JavaScript?

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How to set Python's default version to 3.x on OS X?

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How does the extend() function work in jQuery?

... 178 Multiple Parameters The documentation isn't precise in explaining how extend works, so I ran ...
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Return two and more values from a method

... 160 def sumdiff(x, y) return x+y, x-y end #=> nil sumdiff(3, 4) #=> [7, -1] a = sumdiff(...
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?

...sked a really strange question. The interviewer asked me how can I compute 1+2+3+...+1000 just using compiler features. This means that I am not allowed to write a program and execute it, but I should just write a program that could drive the compiler to compute this sum while compilation and print ...
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How do I count unique values inside a list

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How do I get indices of N maximum values in a NumPy array?

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Pretty Printing a pandas dataframe

... 182 I've just found a great tool for that need, it is called tabulate. It prints tabular data and...
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while (1) Vs. for (;;) Is there a speed difference?

... 218 In perl, they result in the same opcodes: $ perl -MO=Concise -e 'for(;;) { print "foo\n" }' a ...