chriseppstein

mymodule {
  @at-root {
    .#{&}-header { ... }
    .#{&}-footer { ... }
    .#{&}-body   {
      a          { ... } 
      span       { ... } 
      p          { ... } 
    }
  }

jasoncartwright

if (window.devicePixelRatio > 1) {
	img_re = new RegExp(/=(s|w)(\d*)(\-c)?$/)
	$("img").each(function(id, el){
		img_src = $(el).attr("src")
		if (img_re.test(img_src)) {
			img_size = parseInt(img_src.match(img_re)[2])
			dimension = img_src.match(img_re)[1]
			new_img_size = img_size*2
			new_src = img_src.replace(img_re,"=" + dimension + new_img_size)
			$(el).attr("src",new_src)

necolas

# Filename-based cache busting
# taken from https://github.com/h5bp/html5-boilerplate/

# This rewrites file names of the form `name.123456.js` to `name.js`
# so that the browser doesn't use the cached version when you have
# updated (but not manually renamed) the file.

<IfModule mod_rewrite.c>
    Options +FollowSymlinks
    RewriteEngine On

efedorenko

// Turns out this function already exists in Sass: mix(fg, bg, %) (http://d.pr/mGqa)

// Alpha blending

@function blend($bg, $fg) {

	$r:   red($fg) * alpha($fg) +   red($bg) * (1 - alpha($fg));
	$g: green($fg) * alpha($fg) + green($bg) * (1 - alpha($fg));
	$b:  blue($fg) * alpha($fg) +  blue($bg) * (1 - alpha($fg));