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#!/usr/bin/env python3 | |
# Author: Edoardo Paolo Scalafiotti <edoardo849@gmail.com> | |
import os | |
from time import sleep | |
import signal | |
import sys | |
import RPi.GPIO as GPIO | |
pin = 12 # The pin ID, edit here to change it | |
maxTMP = 55 # The maximum temperature in Celsius after which we trigger the fan |
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const array1 = [{ | |
"id": 1, | |
"name": "apple", | |
}, { | |
"id": 2, | |
"name": "orange" | |
}]; | |
const array2 = [{ | |
"id": 1, |
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import React from 'react'; | |
import './styles/Radio.less'; | |
const Radio = (props) => { | |
const { | |
label, | |
value, | |
checked = false, | |
disabled = false, | |
name = 'name', |
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new Promise((resolve, reject) => { | |
throw new Error('err'); | |
}) | |
.then(() => { | |
console.log('then'); | |
}) | |
.catch(() => { | |
console.log('catch'); | |
}) | |
.catch(() => { |
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'use strict' | |
x = 5; // error! next examples with let x | |
console.log(++x); // 6 | |
console.log(x++); // 6 | |
function foo() { | |
console.log(x); // undefined, because there is x below | |
x += 5; |
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const url = 'http://lol'; | |
function apiGet(url, attempts = 5) { | |
return new Promise(function core(resolve, reject) { | |
fetch(url) | |
.then((res) => { | |
resolve(res) | |
}) | |
.catch(() => { | |
if (attempts) { |
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&::after { | |
content: ""; | |
position: absolute; | |
width: 0; | |
height: 0; | |
top: 0; | |
left: 50%; | |
margin-left: 12px; | |
box-sizing: border-box; | |
border: 10px solid black; |
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.loading { | |
&:before { | |
background: rgba(255, 255, 255, 0.8); | |
content: ''; | |
height: 100%; | |
left: 0; | |
position: absolute; | |
top: 0; | |
width: 100%; | |
z-index: 1; |
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// Расшифруйте эту строку. Строка содержит пробел и буквы латинского алфавита. | |
let input = '711141019711632119111114107'; // Great work | |
let result = ''; | |
function findFirstChar(n) | |
{ | |
let char = String.fromCharCode(n); | |
if (/[a-z|A-Z ']/.test(char)) | |
return char; |
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Очередь синхронного кода (callstack) | |
Очередь микрозадач (Promise) | |
Очередь макрозадач (setTimeout() и setInterval() или AJAX-запросы) | |
Отдельная очередь браузера для отрисовки содержимого (requestAnimationFrame) | |
requestAnimationFrame(() => console.log('1 animation frame')); | |
setTimeout(() => console.log('2 timeout'), 0); | |
Promise.resolve().then(() => console.log('3 promise')); | |
console.log('4 sync'); |
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