Vitalii Honcharuk EXayer

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backend developer (php, java)

EXayer / count_squares_in_matrix.php

Last active June 23, 2020 21:31

	<?php

	/**
	* Counts squares in matrix by loop.
	*
	* @param int $n
	* @param int $m
	* @return int
	*/
	function countSquares(int $m, int $n): int

EXayer / count_rectangles_inside_matrix.php

Created June 24, 2020 20:42

How many rectangles a matrix can fit?

	<?php

	/**
	* Counts all rectangles inside matrix by loop.
	*
	* For 3x3:
	* __* // 1x1 = 4
	* __* // 1x2 = 2
	* * * * // 2x1 = 2
	* // 2x2 = 1

EXayer / the_monty_hall_problem.js

Created October 9, 2020 13:31

The Monty Hall Problem - brute force proof

	const CHANCE = 3;

	function rollDoor() {
	return Math.floor(Math.random() * CHANCE);
	}

	function randArr(arr) {
	return arr[Math.floor(Math.random() * arr.length)];
	}

EXayer / numberAbbreviation.php

Last active February 10, 2021 22:56 — forked from bcole808/numberAbbreviation.php

Shorten large numbers into abbreviations (i.e. 1,500 = 1.5k), (slightly optimized)

	<?php
	/**
	* Shorten large numbers into abbreviations (i.e. 1,500 = 1.5k)
	*
	* @param int $number Number to shorten
	* @return String A number with a symbol
	*/
	function numberAbbreviation($number) {
	$abbrevs = [1000000000000 => 'T', 1000000000 => 'B', 1000000 => 'M', 1000 => 'K', 1 => ''];

EXayer / php_storm_quick_fix_wrong_example.php

Last active February 11, 2024 02:01

PHP Storm - wrong quick fix hint '$relationModels[Deal::class]->items[$parseResultDto->key] ?? null' is always 'null'

	<?php

	namespace App\Domain\Entities\LootList;

	use App\Domain\Entities\LootList\Models\LootList;
	use Illuminate\Database\Eloquent\Model;
	use ItemSchema\Parser\DataTransferObjects\LootListParseResultDto;

	class LootListToItemSyncService
	{