aaronshaf

"to get the selenium errors locally, you have to use USE_OPTIMIZED_JS=true bundle exec spec spec/selenium/path_to_spec.rb" - stanley

?debug_js=1

bake canvas:compile_assets

cmatheson

[
  ["The main function of myelin is to",
    ["form a protective coating over nerve axons.",
      "affect the speed of nerve impulses.",
      "block the reception of acetylcholine.",
      "aid a nerve's receptivity to neurotransmitters by increasing the number of receptor sites available."]],

  ["The part of the nerve cell specialized for conducting information is the",
    ["axon.",
      "cell body.",

cmatheson

COURSE_ID = 5  # replace this with id of course with many (>=500) students
               # generating a large course is left as an exercise to the reader

course = Course.find(COURSE_ID)

# generate quiz
q = course.quizzes.create! :title => "Big Quiz"

eval(File.read 'quiz_questions.txt').each_with_index do |(question, as), i|
  answers = as.map.with_index { |a, j|

getify

(function(){
	var
	rAF = (window.requestAnimationFrame || window.msRequestAnimationFrame ||
		window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame ||
		window.oRequestAnimationFrame),
	cAF = (window.cancelAnimationFrame ||
		window.msCancelAnimationFrame || window.msCancelRequestAnimationFrame ||
		window.mozCancelAnimationFrame || window.mozCancelRequestAnimationFrame ||
		window.webkitCancelAnimationFrame || window.webkitCancelRequestAnimationFrame ||
		window.oCancelAnimationFrame || window.oCancelRequestAnimationFrame),

nchristus

var HomeUI = {
  imageLoadCounter:1,
  delayTimer:null,
  animationTimer:null,
  timerCounter:0,
  currentAnimation:null,
  animating:false,
  popUpTimer:null,
  NUM_IMAGES_TO_LOAD:4,
  POP_UP_DELAY:3000,

zwily

##
# replaces :blah: with an image with the appropriate emoji

all_emojis = [
  '+1', '-1', '100', '1234', '8ball', 'a', 'ab', 'abc', 'abcd', 'accept',
  'aerial_tramway', 'airplane', 'alarm_clock', 'alien', 'ambulance', 'anchor',
  'angel', 'anger', 'angry', 'anguished', 'ant', 'apple', 'aquarius', 'aries',
  'arrow_backward', 'arrow_double_down', 'arrow_double_up', 'arrow_down',
  'arrow_down_small', 'arrow_forward', 'arrow_heading_down',
  'arrow_heading_up', 'arrow_left', 'arrow_lower_left', 'arrow_lower_right',

SlexAxton

gifify() {
  if [[ -n "$1" ]]; then
    if [[ $2 == '--good' ]]; then
      ffmpeg -i $1 -r 10 -vcodec png out-static-%05d.png
      time convert -verbose +dither -layers Optimize -resize 600x600\> out-static*.png  GIF:- | gifsicle --colors 128 --delay=5 --loop --optimize=3 --multifile - > $1.gif
      rm out-static*.png
    else
      ffmpeg -i $1 -s 600x400 -pix_fmt rgb24 -r 10 -f gif - | gifsicle --optimize=3 --delay=3 > $1.gif
    fi
  else

zwily

## Puts a big annoying arrow in your window when you're not scrolled down, like a dummy
#

scrollAlert = $("<div id='scrolldown-arrow'>⬇</div>")
showing = false

body = $ document.body
win = $ window
doc = $ document

jakeonrails

data:text/html, <style type="text/css">#e{position:absolute;top:0;right:0;bottom:0;left:0;}</style><div id="e"></div><script src="http://d1n0x3qji82z53.cloudfront.net/src-min-noconflict/ace.js" type="text/javascript" charset="utf-8"></script><script>var e=ace.edit("e");e.setTheme("ace/theme/monokai");e.getSession().setMode("ace/mode/ruby");</script>

desandro

Re: On layout & web performance by Kelly Norton

#lazyweb Is there any documentation about which jQuery functions/effects trigger layout? re: kellegous.com/j/2013/01/26/l…

— Dave Rupert (@davatron5000) January 28, 2013

<script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script>

getWidthOrHeight() used in jQuery.fn.width/height

clientLeft

• 3180 jQuery.event.mousehooks.filter