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edyulianto / BE_SQL2
Created May 16, 2019 06:48
SELECT name
FROM employees
WHERE id NOT IN --filter karyawan berdasarkan manager id dari karyawan
(SELECT managerId from employees WHERE managerId IS NOT NULL)--Subquery untuk mencari karyawan yang memiliki manager
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edyulianto / BE_SQL1
Created May 16, 2019 06:41
SELECT count(*) 'Number Of Students' //Count data result
FROM students
WHERE firstname = 'John' //Filter by name
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edyulianto / BE_PHP2.php
Created May 16, 2019 06:38
<?php
class Pipeline
{
public static function make_pipeline(...$funcs)
{
return function($arg) use ($funcs)
{
foreach($funcs as $function) {
//Cek apakah nilai null atau tidak
if(!isset($value))
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edyulianto / BE_PHP1.php
Last active May 16, 2019 06:07
<?php
class Palindrome
{
public static function isPalindrome($word)
{
$length = strlen($word); //mendapatkan panjang karakter
$mid = floor($length/2); //mendapatkan nilai tengah
for($i=0;$i<$mid;$i++){
//bandingkan karakter sebelah kanan dengan sebelah kiri
if(strtolower($word[$i]) != strtolower($word[(int)$length-($i+1)])){