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/**
 * This function takes a canvas, context, width and height. It scales both the
 * canvas and the context in such a way that everything you draw will be as
 * sharp as possible for the device.
 *
 * It doesn't return anything, it just modifies whatever canvas and context you
 * pass in.
 *
 * Adapted from Paul Lewis's code here:
 * http://www.html5rocks.com/en/tutorials/canvas/hidpi/

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#!/bin/sh
MYSQLADMIN_CFG="/etc/mysql/mariadb.conf.d/90-mysqladmin.cnf"
# generate password
PASS=$(perl -e 'print map{("a".."z","A".."Z",0..9)[int(rand(62))]}(1..16)');
# adjust /etc/mysql/debian.cnf (used as defaults file by system scripts)
sed -i "s/^password =.*$/password = ${PASS}/" /etc/mysql/debian.cnf
sed -i "s/^user     =.*$/user     = debian-sys-maint/" /etc/mysql/debian.cnf
# create config file for mysqladmin itself (maybe not needed)
umask 066
cat > ${MYSQLADMIN_CFG} <<EOF

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#!/bin/bash

# IMPORTANT: You will need to disable SIP aka Rootless in order to fully execute this script, you can reenable it after.
# WARNING: It might disable things that you may not like. Please double check the services in the TODISABLE vars.

# Get active services: launchctl list | grep -v "\-\t0"
# Find a service: grep -lR [service] /System/Library/Launch* /Library/Launch* ~/Library/LaunchAgents

# Agents to disable
TODISABLE=('com.apple.security.keychainsyncingoveridsproxy' 'com.apple.personad' 'com.apple.passd' 'com.apple.screensharing.MessagesAgent' 'com.apple.CommCenter-osx' 'com.apple.Maps.mapspushd' 'com.apple.Maps.pushdaemon' 'com.apple.photoanalysisd' 'com.apple.telephonyutilities.callservicesd' 'com.apple.AirPlayUIAgent' 'com.apple.AirPortBaseStationAgent' 'com.apple.CalendarAgent' 'com.apple.DictationIM' 'com.apple.iCloudUserNotifications' 'com.apple.familycircled' 'com.apple.familycontrols.useragent' 'com.apple.familynotificationd' 'com.apple.gamed' 'com.apple.icloud.findmydeviced.findmydevi

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Better Jasmine Tests With lazy vars

All of my unit tests are written using Jasmine or Mocha, an awesome BDD libraries. Recently I switched how data for tests is set up from declaring and assigning to closures, to defining lazy variables using bdd-lazy-var, and I've seen some awesome benefits from doing such.

The old way

Up until recently, a typical unit test looked something like this:

var BaseClass = require('../../www/BaseClass')

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function c(name) {
  return $x(`//div[@role="listitem" and @jscontroller and .//*[@role="heading" and text()[contains(., "${name}")]]]`)[0];
}


function report(attrs) {
  const name = c('Name');
  name.click();
  
  setTimeout(() => {

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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:

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app_identifier "com.yourorganization.mytodoapp" # The bundle identifier of your app
apple_id "<You Apple Id>" # Your Apple email address

# You can uncomment any of the lines below and add your own
# team selection in case you're in multiple teams
# team_name "CAMobileApp"
# team_id "Q2CBPJ58CA"

# you can even provide different app identifiers, Apple IDs and team names per lane:
# https://github.com/KrauseFx/fastlane/blob/master/docs/Appfile.md

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# Here's the script I'll use to demonstrate - it just loops forever:

$ cat test.rb 
#!/usr/bin/env ruby

loop do
  sleep 1
end

# Now, I'll start the script in the background, and redirect stdout and stderr

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      /*
         After jquery ui datepicker selection, blur and change 
         events fire before focus is returned to the input field,
         handling a quirk from IE browsers 
      */

      $("input.dateInput").datepicker({
            changeMonth: true,
            changeYear: true,
            showAnim: "fadeIn",