MasterAlish

class CheckboxChoiceWithNumberInput(forms.widgets.CheckboxChoiceInput):
    def render(self, name=None, value=None, attrs=None, choices=()):
        if self.id_for_label:
            label_for = format_html(u' for="{0}"', self.id_for_label)
        else:
            label_for = u''
        return format_html(u'{1}<label{0}> {2}</label> <input type="number" value="0" name="{3}_number[{4}]"/>', label_for, self.tag(), self.choice_label, self.name, self.choice_value)

MasterAlish

insert_letter: function (input_id, letter) {
  var elem = document.getElementById(input_id);
  var selectionStart = elem.selectionStart;
  var selectionEnd = elem.selectionEnd;
  var start = elem.value.substring(0, selectionStart);
  var finish = elem.value.substring(selectionEnd, elem.value.length);
  elem.value = start + letter + finish;
  elem.focus();
  elem.selectionStart = selectionStart + 1;
  elem.selectionEnd = selectionStart + 1;

MasterAlish

# define in settings.py to able to use request in templates

TEMPLATE_CONTEXT_PROCESSORS = (
    'django.core.context_processors.request',
    'django.contrib.auth.context_processors.auth',
)

# in templatetags

@register.inclusion_tag("gist:pagination_pages.html")

MasterAlish

# total - total pages count
# page - current page
# neighbour_count - nighbour pages count, from each side
#
# 'first' - link to first page
# 'last' - link to last page

def pagination(total, page=1, neighbour_count=2):
    result = []
    if page-neighbour_count > 2:

MasterAlish

def get_html_input_dict(self, query_dict, param):
        dictionary = {}
        regex = re.compile('%s\[([\w\d_]+)\]' % param)
        for key, value in query_dict.items():
            match = regex.match(key)
            if match:
                inner_key = match.group(1)
                dictionary[inner_key] = value
                
        return dictionary

MasterAlish

import java.util.Scanner;

public class Solution {

    public static void main(String[] arg){
        int N, M;
        int[] A;
        Scanner in = new Scanner(System.in);
        N = in.nextInt();
        M = in.nextInt();

MasterAlish

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
public class Solution {
 

MasterAlish

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Solution {

    private final double y2;
    private final double y1;
    private final double x2;

MasterAlish

class RectangularGrid
 def countRectangles(n,m)
  sum = 0
  for i_n in 1..n
   for i_m in 1..m
    if i_m != i_n
      sum = sum + (m-i_m+1)*(n-i_n+1)
    end
   end
  end

MasterAlish

#include <stdio.h>

class RectangularGrid{
    public:
        long long countRectangles(int n, int m){
            long long sum=0;
            for(int i_n=1; i_n<=n; i_n++)
                for(int i_m=1; i_m<=m; i_m++)
                  if(i_m!=i_n)
                    sum+=(m-i_m+1)*(n-i_n+1);