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// Get all the input fields | |
var inputs = document.querySelectorAll('input'); | |
// Set a flag to track if any input fields are empty | |
var emptyFields = false; | |
// Loop through the input fields | |
for (var i = 0; i < inputs.length; i++) { | |
// Check if the current input field is empty | |
if (inputs[i].value === '') { |
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<title>Document</title> | |
<style> | |
.wrapper{ | |
max-height: 120px; |
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<!DOCTYPE html> | |
<html> | |
<body> | |
<div id="qrcode"></div> | |
<script src="https://cdn.rawgit.com/davidshimjs/qrcodejs/gh-pages/qrcode.min.js"></script> | |
<script> | |
// Get the reference to the HTML element where the QR code will be displayed | |
const qrcodeContainer = document.getElementById('qrcode'); | |
// Generate the QR code |
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#export | |
mysqldump --set-gtid-purged=OFF -h host_source -u username -p db_name > ~/dump.sql; | |
#import | |
mysql -h host_destination -u username -p db_name < ~/dump.sql |
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#dump 1 table | |
pg_dump -v --table=table_name --data-only --column-inserts -h 127.0.0.1 -U postgres_user postgres_db > ~/dump.sql | |
#structure and dump all tables | |
pg_dump -v -h 127.0.0.1 -U postgres_user postgres_db > ~/postgres-db.sql | |
#import | |
psql -h 127.0.0.1 -U postgres_user postgres_db < ~/postgres-db.sql |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>Crop Image Before Upload</title> | |
<script src="https://code.jquery.com/jquery-3.6.3.min.js" integrity="sha256-pvPw+upLPUjgMXY0G+8O0xUf+/Im1MZjXxxgOcBQBXU=" crossorigin="anonymous"></script> | |
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/css/bootstrap.min.css"> | |
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/js/bootstrap.bundle.min.js"></script> |
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<?php | |
class Pipeline | |
{ | |
public static function make_pipeline() | |
{ | |
$funcs = func_get_args(); | |
return function($arg) use ($funcs) | |
{ | |
foreach($funcs as $function) { | |
if(!isset($value)) |
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select name from employees | |
where id not in (select managerId from employees where managerId is not null) |
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select count(1) from students where firstName='John'; |
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<?php | |
class Palindrome | |
{ | |
public static function isPalindrome($word) | |
{ | |
if($word && is_string($word)){ | |
$word = strtolower($word); | |
$wordReverse = strrev($word); | |
$isPalindrome = $word==$wordReverse ? true : false; |