scottjehl

var list = [];
document.querySelectorAll("body *")
   .forEach(function(elem){ 
    if(elem.getBoundingClientRect().width > document.body.getBoundingClientRect().width){ 
      list.push(elem.outerHTML.split('>')[0] + '>'); 
    } 
}); 
confirm( "these elements are wider than the viewport:\n\n " + list.join("\n") )

nerzhulart

$userPath = $env:USERPROFILE
$pathExclusions = New-Object System.Collections.ArrayList
$processExclusions = New-Object System.Collections.ArrayList

$pathExclusions.Add('C:\Windows\Microsoft.NET') > $null
$pathExclusions.Add('C:\Windows\assembly') > $null
$pathExclusions.Add($userPath + '\AppData\Local\Microsoft\VisualStudio') > $null
$pathExclusions.Add('C:\ProgramData\Microsoft\VisualStudio\Packages') > $null
$pathExclusions.Add('C:\Program Files (x86)\MSBuild') > $null
$pathExclusions.Add('C:\Program Files (x86)\Microsoft Visual Studio 14.0') > $null

bansalayush

1) Connect your mobile device via usb (just this once)

2) Establish a port with your mobile device using 'adb tcpip <port number>'.
eg. adb tcpip 5555

3) Remove USB and 'adb connect <mobile device ip><above mentioned port number>' .
Eg . adb connect 192.160.0.124:5555

4) 'React-native run-android'  in your project folder 

gordonbrander

// Tip: use with await.
// const preloaded = await preloadAll(['img1.jpg', 'img2.jpg'])

export const preload = src => new Promise((resolve, reject) => {
  const img = new Image()
  img.onload = resolve
  img.onerror = reject
  img.src = src
})

yowainwright

import loadImage from 'loadImage'

const addImg = (src) => {
  const imgEl = document.createElement('img')
  imgEl.src = src
  document.body.appendChild(imgEl)
}
const imgArr = [
  loadImage('images/cat1.jpg'),
  loadImage('images/cat2.jpg'),

davej

const transitionToPromise = (el, property, value) =>
  new Promise(resolve => {
    el.style[property] = value;
    const transitionEnded = e => {
      if (e.propertyName !== property) return;
      el.removeEventListener('transitionend', transitionEnded);
      resolve();
    }
    el.addEventListener('transitionend', transitionEnded);
  });

LeCoupa

#!/bin/bash
#####################################################
# Name: Bash CheatSheet for Mac OSX
# 
# A little overlook of the Bash basics
#
# Usage:
#
# Author: J. Le Coupanec
# Date: 2014/11/04

danburzo

This has been incorporated in a small library.

lanqy

// from http://scratch99.com/web-development/javascript/convert-bytes-to-mb-kb/
function bytesToSize(bytes) {
    var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
    if (bytes == 0) return 'n/a';
    var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
    if (i == 0) return bytes + ' ' + sizes[i];
    return (bytes / Math.pow(1024, i)).toFixed(1) + ' ' + sizes[i];
};

leostratus

An ongoing project to catalogue all of these sneaky, hidden, bleeding edge selectors as I prepare my JSConf EU 2012 talk.

Everything is broken up by tag, but within each the selectors aren't particularly ordered.

I have not tested/verified all of these. Have I missed some or got it wrong? Let me know. - A

A friendly reminder that you may need to set this property on your target/selected element to get the styling results you want:

-webkit-appearance:none;