I’m a beginner python learner, was handed out a project to sort a specific column in ascending or descending order in the text file without using the sort function and display it, for example sorting out the performance in the text file fr…
I make an external API request which returns a JSON list of items. Note, no database is used.
Now I need to display this data on screen, and allow the user to change the order (by name, by ID) and to filter out results.
I can do this a cla…
public static List<string> priceList= new List<string>()
{
"f,2200","l,1999","s,2000","y,1599"
…
Above all, the program will get a number of students and a number (card) that each student draws.
for example, input would be 2 lines:
5
0 1 1 3 2
And then the output would be:
4 2 5 3 1
There are 5 students called 1,2,3,4,5. (5 student…
I have two tables to join in SQL using the ID column in both. Table 1 has only unique values of ID as follows and I want to keep all columns of this table:
ID code 1 code 2
1 123 99
2 222 09
3 34…
I am trying to come up with an algorithm that checks all possible combinations in a list of players and makes two teams of 5 with the closest possible difference in total skillindex. So far I have come up with the following exhausting perm…
I have tried variations of two similar questions here:
Sort mixed alpha/numeric array
and here:
Sort mixed alpha/numeric Array in javascript
But can’t get the sort algorithm correct.
For example this solution:
const sortAlphaNum = (a, b) =…
do you know if there is a way to sort an array of objects using the sort() method for a specific property? In my case I’d like to sort my array first for "bananas", then for "pears", and then the rest.
const initialData…
I don’t know how to set an error message with this kind of function is array is empty ?
var xs = [1, 1, 2, 2, 4, 4, 5];
function getUniqueNumber(arr){
return arr.filter(function(x) {
return arr.indexOf(x) === arr.lastIndexOf(x);
…
Hi I have the following data:
Storage Data
And I apply the following query:
select row_number() over (partition by "Country", "Product Type") as RN,
"Country", "Product Type", "Process Step"…
Can someone explain why the 2 last sort function in main does not work while the first one works fine.
The program build with no error. Here is the code
#include <iostream>
#include <vector>
#include <math.h>
#include <…
I’ve been working on implementing common sorting algorithms into Python, and whilst working on selection sort I ran into a problem finding the minimum value of a sublist and swapping it with the first value of the sublist, which from my te…
I have 3 lists:
ArrayList<Integer> at = new ArrayList<>(Arrays.asList(2, 0, 2, 3, 4));
ArrayList<Integer> bt = new ArrayList<>(Arrays.asList(2, 1, 3, 5, 4));
ArrayList<String> prc = new ArrayList<>(Arra…
So I’m reading through this code, it’s going through a file containing 10,000 integers in some random order(no repetition), and counting the number of inversions. I’m not understanding this code fully, I have couple questions:
First I supp…
I have following
let arr = [
{ id: 1, referenceId: 1, type: "normal", name: "a" },
{ id: 2, referenceId: 2, type: "normal", name: "b" },
{ id: 3, referenceId: 3, type: "chat", name: &…
I have two arrays which I need to combine in descending order of first key value. For example I have
If value of first key is higher than use that values and append 3 more columns with zero values same way if value of first key of second a…
Which one of this 2 is better? (c++ sort descending or sort and then reverse)
vector<int> v;
sort(v.begin(),v.end(),greater());
sort(v.begin(),v.end());
reverse(v.begin(),v.end());
My dataframe df contains products which have an EAN, an earlier and later date, ‘yes’ and ‘no’ labels and values.
EAN-Unique Date Start Value
3324324 2019-04-30 no 0.11
3324324 2018-06-01 yes 56.03
asd2343 …
I made a sorting algorithm using the same kind of logic of the heapify algorithm. However, I do not believe this is heap sort. The logic of it, is that I compare two pieces of an array (Initially was going to be a double linked list, but j…
I have a big rectangle filled with circles. The circles might overlap each other, but they all have the same diameter. I need to find the "borderline" circles. If there are gaps between these borderline circles – and the gap is b…