sorting Questions
5
Solved
I'm kinda a Delphi-newbie and I don't get how the Sort method of a TList of Records is called in order to sort the records by ascending integer value.
I have a record like the following:
type
TM...
6
A question that has me speculating is the following:
Let's say we have a sorted array with the numbers {1,1,1,1,2,2,4,4,4}.
Now, given that we can clearly see that we have six pairs on 1's, one p...
15
Solved
Design an efficient algorithm to sort 5 distinct - very large - keys less than 8 comparisons in the worst case. You can't use radix sort.
2
Solved
I'm using elastic search and I would like to sort documents having same score to the query shown below, on the basis of higher number of - "likes" field - integer type stored in all documents. Code...
Unfold asked 20/7, 2016 at 21:46
6
In JavaScript (somewhat applicable elsewhere), where you don't know what target implementation your code is running on, is there a way to feature detect if the underlying sorting algorithm (of Arra...
Gentle asked 10/5, 2013 at 1:33
6
Solved
I have 2d array, dimension 3x10, and I want to sort by values in 2nd row, from lowest to highest value.
3
Solved
I'm killing myself and dehydrating trying to get this array to sort.
I have an array containing directories generated by;
Dim Folders() As String = Directory.GetDirectories(RootPath)
I need them t...
12
Solved
I want to sort items where the comparison is performed by humans:
Pictures
Priority of work items
...
For these tasks the number of comparisons is the limiting factor for performance.
What is...
2
Solved
Let's say I have a vector of a very simple struct:
struct SimpleStruct { int a; int b; int c; };
std::vector<SimpleStruct> vs;
I wish to sort this struct by 'a' leaving the positions of 'b' ...
7
Is it feasible to sort pandas dataframe by values of a column, but also by index?
If you sort a pandas dataframe by values of a column, you can get the resultant dataframe sorted by the column, bu...
5
Solved
I am trying to figure out how to sort a list of files by name and size.
How do I sort by file name and size using "du -a" and not show directories?
Using "du -a"
1 ./locatedFiles
0 ./testDir/j...
5
Solved
I get a ndarray reading it from a file, like this
my_data = np.genfromtxt(input_file, delimiter='\t', skip_header=0)
Example input (parsed)
[[ 2. 1. 2. 0.]
[ 2. 2. 100. 0.]
[ 2. 3. 100. 0.]
...
7
Solved
Say we have
string a = "abc"
string b = "abcdcabaabccbaa"
Find location of all permutations of a in b. I am trying to find an effective algorithm for this.
Pseudo code:
sort st...
Kr asked 6/1, 2017 at 22:3
11
Solved
Why won't this function reverseArrayInPlace work?
I want to do simply what the function says—reverse the order of elements, so that the results end up in the same array arr. I am choosing to do thi...
Habakkuk asked 5/9, 2015 at 22:57
4
Solved
4
[
1 => ['id' => 1, 'sort' => 1],
3 => ['id' => 3, 'sort' => 3],
2 => ['id' => 2, 'sort' => 2],
]
How do I sort it so that it's re-ordered using the inner 'sort' key?
...
Unripe asked 27/9, 2010 at 13:34
9
Solved
I have an array of objects. I want to move a selected object to the last position in the array. How do I do this in javascript or jquery?
Here is some code I have:
var sortedProductRow = this.pro...
Ninnyhammer asked 23/7, 2014 at 11:33
4
Solved
Hi I have a question about Batcher's odd-even-merge sort. I have the following code:
public class Batcher {
public static void batchsort(int a[], int l, int r) {
int n = r-l+1;
for (int p=1; p...
2
Solved
For applicable data types a good radix sort can beat the pants off comparison sorts by a wide margin but std::sort is usually implemented as introsort. Is there a reason to not use radix sort to im...
Sanmicheli asked 6/10, 2015 at 9:47
2
Solved
I'm dealing with the last big 4 of C++ 20, attempting to learn the new main features.
Trying some code from the web related to ranges, I've written:
std::vector ints{ 6, 5, 2, 8 };
auto even = [](i...
Prejudice asked 28/9, 2020 at 12:54
3
Solved
I am new to R and currently trying to wrap my head around dataframes in R.
I want to sort a dataframe by the column values, and then return the top of it after it has been sorted.
As of now I only ...
9
Solved
I am new to php, I have php date array
[0] => 11-01-2012
[1] => 01-01-2014
[2] => 01-01-2015
[3] => 09-02-2013
[4] => 01-01-2013
I want to sort it like :
[0] => 11-01-2012
[1...
12
Solved
I have been looking around the web for a while and I am wondering if there is a 'stable' defacto implementation of Radix Sort that is generally used?
Two classifications of radix sorts are least s...
Fatigued asked 9/4, 2016 at 6:14
4
Solved
I am currently working on DataGrid Component from Material-UI. Data can be displayed, but the inbuilt sorting is not working as expected. When I try to sort ASC/DESC it is sorting based on the firs...
Cooksey asked 29/3, 2021 at 19:53
10
Solved
I have a bunch of sorted lists of objects, and a comparison function
class Obj :
def __init__(p) :
self.points = p
def cmp(a, b) :
return a.points < b.points
a = [Obj(1), Obj(3), Obj(8), .....
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