sorting Archives - Page 6 of 12

What’s the most efficient way to erase duplicates and sort a vector?

I need to take a C++ vector with potentially a lot of elements, erase duplicates, and sort it. I currently have the below ...

May 13, 2022
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How to implement classic sorting algorithms in modern C++?

The std::sort algorithm (and its cousins std::partial_sort and std::nth_element) from the C++ Standard Library is in most implementations a complicated and hybrid amalgamation ...

May 13, 2022
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Java Array Sort descending?

Is there any EASY way to sort an array in descending order like how they have a sort in ascending order in the ...

May 13, 2022
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Pagination in a REST web application

This is a more generic reformulation of this question (with the elimination of the Rails specific parts) I am not sure how to ...

May 12, 2022
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SQL how to make null values come last when sorting ascending

I have a SQL table with a datetime field. The field in question can be null. I have a query and I want ...

May 12, 2022
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Sorting a vector in descending order

Should I use std::sort(numbers.begin(), numbers.end(), std::greater<int>()); or std::sort(numbers.rbegin(), numbers.rend()); // note: reverse iterators to sort a vector in descending order? Are there any ...

May 11, 2022
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Is there a built in function for string natural sort?

I have a list of strings for which I would like to perform a natural alphabetical sort. For instance, the following list is ...

May 10, 2022
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How does one reorder columns in a data frame?

How would one change this input (with the sequence: time, in, out, files): Time In Out Files 1 2 3 4 2 3 ...

May 10, 2022
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How to keep keys/values in same order as declared?

I have a dictionary that I declared in a particular order and want to keep it in that order all the time. The ...

May 10, 2022
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How can you sort an array without mutating the original array?

Let’s suppose I wanted a sort function that returns a sorted copy of the inputted array. I naively tried this function sort(arr) { ...

May 9, 2022
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