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-- Создайте базу данных test_guru
CREATE DATABASE test_guru;
-- Таблицу categories с атрибутом title
CREATE TABLE categories(
id serial PRIMARY KEY,
title varchar(25) NOT NULL
);
-- Таблицу tests в которой должны быть атрибуты title, level, внешний ключ к таблице categories
$ncat -C httpbin.org 80
GET /get HTTP/1.1
Host: httpbin.org
HTTP/1.1 200 OK
Access-Control-Allow-Credentials: true
Access-Control-Allow-Origin: *
Content-Type: application/json
Date: Mon, 30 Sep 2019 18:12:01 GMT
@fatwebdev
fatwebdev / form.js
Created May 19, 2017 09:12
valid ne valid invalid
document.addEventListener("DOMContentLoaded", function(event) {
var body = document.querySelector('body');
body.classList.remove('is-preview');
var button = document.querySelector('[type=submit]');
button.setAttribute('disabled', '');
function isBlank(value) {
return value === null;
}