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Javascript 2022-03-27 18:05:27
array chunk javascript
function splitArrayIntoChunksOfLen(arr, len) { var chunks = [], i = 0, n = arr.length; while (i < n) { chunks.push(arr.slice(i, i += len)); } return chunks; } var alphabet=['a','b','c','d','e','f']; var alphabetPairs=splitArrayIntoC... Add solution -
Other 2022-03-27 17:30:32
merge sort algo
// @see https://www.youtube.com/watch?v=es2T6KY45cA&vl=en // @see https://www.cs.usfca.edu/~galles/visualization/ComparisonSort.html function merge(list, start, midpoint, end) { const left = list.slice(start, midpoint); const right = list.sli... Add solution -
TypeScript 2022-03-27 17:05:06
use of slice and splice add elements array
function frankenSplice(arr1, arr2, n) { // Create a copy of arr2. let combinedArrays = arr2.slice() // [4, 5, 6] // Insert all the elements of arr1 into arr2 beginning // at the index specified by n. We're using the spread /... Add solution -
Other 2022-03-27 16:10:04
dtidyverser get first x rows
# slice() dt <- dt %>% slice(1:4) Add solution -
PHP 2022-03-24 01:20:09
how to run foreach for the entire array except for one line in php
There are multiple ways of approaching this problem. The first solution is to use a flag boolean to indicate the first element and proceed in your foreach $firstElement = true; foreach($array as $key => $val) { if($firstElement) { $firstEl... Add solution -
Javascript 2022-03-21 22:15:23
Slice Example
/"slice() copies or extracts a given number of elements to a new array"/ let weatherConditions = ['rain', 'snow', 'sleet', 'hail', 'clear']; let todaysWeather = weatherConditions.slice(1, 3); // todaysWeather equals ['snow', 'sleet']; // weath... Add solution -
Other 2022-03-19 10:35:18
dm command discord.js
if (cmd === `!dm`) { let dUser = message.guild.member(message.mentions.users.first()) || message.guild.members.get(args[0]); if (!dUser) return message.channel.send("Can't find user!"); if (!message.member.hasPermission('ADMINISTRATOR')) ... Add solution
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