wwiechorek

import Document, { Head, Main, NextScript } from 'next/document';
// Import styled components ServerStyleSheet
import { ServerStyleSheet } from 'styled-components';

export default class MyDocument extends Document {

  static getInitialProps({ renderPage, req }) {
    // Step 1: Create an instance of ServerStyleSheet
    const sheet = new ServerStyleSheet();

Atinux

const waitFor = (ms) => new Promise(r => setTimeout(r, ms))
const asyncForEach = async (array, callback) => {
  for (let index = 0; index < array.length; index++) {
    await callback(array[index], index, array)
  }
}

const start = async () => {
  await asyncForEach([1, 2, 3], async (num) => {
    await waitFor(50)

davidgilbertson

function makeElement(type, text) {
  const el = document.createElement(type);
  const textNode = document.createTextNode(text);
  
  el.appendChild(textNode);
  
  return el;
}

const h1 = (text) => makeElement(`h1`, text);

ksharsha

ffmpeg -i data/video.mp4 -vcodec h264 -b:v 1000k -acodec mp2 data/output.mp4

gaearon

// connect() is a function that injects Redux-related props into your component.
// You can inject data and callbacks that change that data by dispatching actions.
function connect(mapStateToProps, mapDispatchToProps) {
  // It lets us inject component as the last step so people can use it as a decorator.
  // Generally you don't need to worry about it.
  return function (WrappedComponent) {
    // It returns a component
    return class extends React.Component {
      render() {
        return (

robbyoconnor

'use strict';

export default function (question) {
  var rl = require('readline');
  var r = rl.createInterface({
    input: process.stdin,
    output: process.stdout,
    terminal: false
  });
  return new Promise((resolve, error) => {

codegenin

<!-- Month dropdown -->
<select name="month" id="month" onchange="" size="1">
    <option value="01">January</option>
    <option value="02">February</option>
    <option value="03">March</option>
    <option value="04">April</option>
    <option value="05">May</option>
    <option value="06">June</option>
    <option value="07">July</option>
    <option value="08">August</option>

linhmtran168

#!/bin/sh

STAGED_FILES=$(git diff --cached --name-only --diff-filter=ACM | grep ".jsx\{0,1\}$")

if [[ "$STAGED_FILES" = "" ]]; then
  exit 0
fi

PASS=true

lukehedger

$ ffmpeg -i input.mp4 -vcodec h264 -acodec mp2 output.mp4

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application: