s-lyn

Deploy nodejs app with gitlab.com and pm2

This manual is about setting up an automatic deploy workflow using nodejs, PM2, nginx and GitLab CI. It is tested on:

• Target server: Ubuntu 16.04 x64. This is suitable for Ubuntu 14.x.
• Windows 10 on my PC to work.

craigbeck

  query IntrospectionQuery {
    __schema {
      queryType { name }
      mutationType { name }
      subscriptionType { name }
      types {
        ...FullType
      }
      directives {

paulirish

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

davidtheclark

/*
No jQuery necessary.
Thanks to Dan's StackOverflow answer for this:
http://stackoverflow.com/questions/123999/how-to-tell-if-a-dom-element-is-visible-in-the-current-viewport
*/

function isElementInViewport(el) {
  var rect = el.getBoundingClientRect();
  return (
    rect.top >= 0 &&