kevincennis

Installing V8 on a Mac

Prerequisites

• Install Xcode (Avaliable on the Mac App Store)
• Install Xcode Command Line Tools (Preferences > Downloads)
• Install depot_tools
  • $ git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
  • $ nano ~/.zshrc
  • Add path=('/path/to/depot_tools' $path)

denji

Moved to git repository: https://github.com/denji/jetbrains-cleanup-backup

Quick uninstall JetBrains settings:

curl -sL https://gist.github.com/denji/9731967/raw/jetbrains-uninstall.sh | bash -s

Quick backup JetBrains settings:

curl -sL https://gist.github.com/denji/9731967/raw/jetbrains-backup.sh | bash -s

gustavohenke

var svg = document.querySelector( "svg" );
var svgData = new XMLSerializer().serializeToString( svg );

var canvas = document.createElement( "canvas" );
var ctx = canvas.getContext( "2d" );

var img = document.createElement( "img" );
img.setAttribute( "src", "data:image/svg+xml;base64," + btoa( svgData ) );

img.onload = function() {

JacksonTian

var fs = require('fs');
var iconv = require('iconv-lite');

// 这里是utf8
var str = '坑爹啊，都是国际项目了，编码居然还用gbk';
console.log(new Buffer(str).length);

// 转换成gbk
var encoded = iconv.encode(str, 'gbk');

TylerThompson

javascript:(function(){function c(){var e=document.createElement("link");e.setAttribute("type","text/css");e.setAttribute("rel","stylesheet");e.setAttribute("href",f);e.setAttribute("class",l);document.body.appendChild(e)}function h(){var e=document.getElementsByClassName(l);for(var t=0;t<e.length;t++){document.body.removeChild(e[t])}}function p(){var e=document.createElement("div");e.setAttribute("class",a);document.body.appendChild(e);setTimeout(function(){document.body.removeChild(e)},100)}function d(e){return{height:e.offsetHeight,width:e.offsetWidth}}function v(i){var s=d(i);return s.height>e&&s.height<n&&s.width>t&&s.width<r}function m(e){var t=e;var n=0;while(!!t){n+=t.offsetTop;t=t.offsetParent}return n}function g(){var e=document.documentElement;if(!!window.innerWidth){return window.innerHeight}else if(e&&!isNaN(e.clientHeight)){return e.clientHeight}return 0}function y(){if(window.pageYOffset){return window.pageYOffset}return Math.max(document.documentElement.scrollTop,document.body.scrollTop)}funct

phoenixg

#!/bin/bash

if [ $(id -u) != "0" ]; then
    printf "Error: You must be root to run this tool!\n"
    exit 1
fi
clear
printf "
####################################################
#                                                  #

textarcana

XWindows for Headless Selenium

How to set up a Headless Selenium Testing environment for CentOS 6.3.

On your CentOS 6.3 host

Follow these steps to set up a CentOS 6.3 host to run headless Selenium tests with Firefox.

addyosmani

Update May 2017

Eric Bidelman has documented some of the common workflows possible with headless Chrome over in https://developers.google.com/web/updates/2017/04/headless-chrome.

Update

If you're looking at this in 2016 and beyond, I strongly recommend investigating real headless Chrome: https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md

Windows and Mac users might find using Justin Ribeiro's Docker setup useful here while full support for these platforms is being worked out.

cimmanon

CSS Flexbox: Specification Unification

The flexbox module has been kicking around for quite some time. There are 3 different specifications that have been implemented in the major browsers. This is an overview of how to cover all of them. If you're interested in how to use flexbox, there are many fine articles out there (some have been linked below).

September 2012 Candidate Recommendation

Browsers

• Chrome 21 (prefixed)
• Opera 12.1 (unprefixed)

rochacbruno

#!/usr/bin/env python

# Haversine formula example in Python
# Author: Wayne Dyck

import math

def distance(origin, destination):
    lat1, lon1 = origin
    lat2, lon2 = destination