krisselden

const fs = require('fs');
const path = require('path');
const spawn = require('child_process').spawn;
const FPS = 60;
const MICROSEC_PER_FRAME = Math.round(1000000 / FPS);
if (process.argv.length < 3) {
  console.log(`node ${path.relative('.', process.argv[1])} [DevToolsProfile]`);
  process.exit(1);
}
let traceFile = path.resolve(process.argv[2]);

paulirish

// see for screenshot:
//     https://twitter.com/paul_irish/status/829090506084749312 

const http = require('http');

function requestHandler(request, response) {
	const headers = {
		'Server-Timing': `
		  sql-1;desc="MySQL lookup Server";dur=100,
		  sql-2;dur=900;desc="MySQL shard Server #1",

macbookandrew

/**
 * List unique CSS properties for all DOM elements
 * Initially created to list unique font stacks on a page
 * @see {@link http://stackoverflow.com/a/35022690/ Inspired by this StackOverflow answer}
 *
 * @see {@link https://gist.github.com/macbookandrew/f33dbbc0aa582d0515919dc5fb95c00a/ URL for this file}
 *
 * @author AndrewRMinion Design (https://andrewrminion.com)
 * @version 1.1
 *

carlosvillu

const webpack = require('webpack')
const getConfig = require('hjs-webpack')
const isDev = (process.env.NODE_ENV || 'development') === 'development'
const isProd = !isDev && process.env.NODE_ENV === 'production'

const PRO_PUBLIC_PATH = ''
const DEV_PUBLIC_PATH = ''

const PUBLIC_PATH = isProd ? PRO_PUBLIC_PATH : DEV_PUBLIC_PATH
const GA_ID = 'UA-XXXXX-Y'

sandeepraju

#!/bin/bash
# file: ttfb.sh
# curl command to check the time to first byte
# ** usage **
# 1. ./ttfb.sh "https://google.com"
# 2. seq 10 | xargs -Iz ./ttfb.sh "https://google.com"

curl -o /dev/null \
     -H 'Cache-Control: no-cache' \
     -s \

droom

by Addy Osmani (@addyosmani)
https://twitter.com/addyosmani/status/743571393174872064

———

Preresolve DNS hostnames for assets
<link rel="dns-prefetch" href="https://my-site.com">

Begin a connection handshake in the background
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>

tsulej

// generateme.tumblr.com, 2016
// idea by zach lieberman

// choose variant
int variant = 0; // 0 or 1;

void setup() {
  size(800, 800);
  background(0, 5, 25);
  strokeWeight(0.8);

ingramchen

### Full command line options

```
ffmpeg -f gif -i FOO.gif -pix_fmt yuv420p -c:v libx264 -movflags +faststart -filter:v crop='floor(in_w/2)*2:floor(in_h/2)*2' BAR.mp4
```

### Notie

 * output mp4 is encoded with h264, support Firefox/Chrome/Safari in Windows, Mac OSX, Android, and iOS.

carlosvillu

const COOKIE_DELIMITER = ';'
const BLOCK_DELIMITER = '=';
const TOKEN_DELIMITER_REG_EXP = /\^|%5E/;

// Flatten Polyfill
Array.prototype.flatten = Array.prototype.flatten || function(){
  return this.reduce((a, b) => a.concat(Array.isArray(b) ? b.flatten() : b), [])
};

// Tap Polyfill

carlosvillu

const range = require('lodash.range');
const flatten = require('flatten');
const Promise = require('bluebird');
const fs = require('fs');

const RANGE = 60;
const RESOLUTIONS = ['1440x900','1600x900'];
const STATUS_OK = 200;
const ENCODING_FILE = 'binary';