SajibDevnath

# Read data
df <- readxl::read_excel("df.xlsx")

# Splitting the data.frame
newlist <- vocab %>% split((1:nrow(df))%/%50)        # 50 - number of rows per sheet

# Writing to a workbook
writexl::write_xlsx(newlist, "new_df.xlsx")

SajibDevnath

```r
library(tidyverse)
library(stringr)
library(Cairo)
library(scales)
library(showtext)

font_add_google(name = "Playfair Display", family = "playfair")

hike_data <- readr::read_rds(url('https://raw.githubusercontent.com/rfordatascience/tidytuesday/master/data/2020/2020-11-24/hike_data.rds'))

SajibDevnath

function permutator(inputArr) {
  
  var results = [];

  function permute(arr, memo) {
    var cur;
    memo = memo || [];

    for (var i = 0; i < arr.length; i++) {
      cur = arr.splice(i, 1);

SajibDevnath

function intersect_all(lists) {
    if (lists.length === 0) return [];
    else if (lists.length == 1) return lists[0];
    
    function intersection(array1, array2) {
      return array1.filter(function(n) {
        return array2.indexOf(n) != -1;
      });
    }

SajibDevnath

function telephoneCheck(str) {
  // Good luck!
 if (str.search(/1?\s?\(?[\d]{3}\)?-?\s?[\d]{3}-?\s?[\d]{4}/) === 0) {
    return true;
  } else {
    return false;
  }
}

SajibDevnath

function toTitleCase(str) {
  return str.replace(/\w\S*/g, function(txt){
    return txt.charAt(0).toLowerCase() + txt.substr(1).toLowerCase();
  });
}

SajibDevnath

var arr = [2,5,9,5,2,6,9];
var uniqueArray = arr.filter(function(item, pos) {
    return arr.indexOf(item) == pos;
})
console.log(uniqueArray);

SajibDevnath

// sol 1
function diff(arr1, arr2) {
  var a=[], newArr=[];
  for(var i=0;i<arr1.length;i++)
    a[arr1[i]]=true;
  for(var i=0;i<arr2.length;i++)
    if(a[arr2[i]]) delete a[arr2[i]];
    else a[arr2[i]]=true;
  for(var k in a)
    newArr.push(k);

SajibDevnath

function st(min) {
  var totalSeconds = min * 60 + 1;
  var minutes = 0;
  var seconds = 0;

  var content = document.getElementById('container');
  content.innerHTML = '25' + ' : ' + '00';
  return function timer() {
    if (totalSeconds > 0) {
      if (totalSeconds < 59) {

SajibDevnath

Array.prototype.add = function () {
  return this.reduce ( function (a, b){ return a.concat(b); });
}

var total = [[0, 1],[2, 3]].add();
document.write(total)