stephanschubert’s gists

stephanschubert / profile.rb

Created September 24, 2013 08:34

Easy profiling w/ ruby-prof

	def profile(prefix = "profile")
	result = RubyProf.profile { yield }

	dir = File.join(Rails.root, "tmp", "performance", params[:controller].parameterize
	FileUtils.mkdir_p(dir)

	file = File.join(dir, "callgrind.%s.%s.%s" % [prefix.parameterize, params[:action].parameterize, Time.now.to_s.parameterize] )
	open(file, "w") { \|f\| RubyProf::CallTreePrinter.new(result).print(f, :min_percent => 1) }
	end

stephanschubert / install_mysql2_gem_on_osx.sh

Last active May 25, 2017 08:09

How to install mysql2 gem on OSX

	# Assumes you're using homebrew.
	# Adjust the version to your convenience.

	env ARCHFLAGS="-Os -g -fno-strict-aliasing -arch x86_64" gem install mysql2 -v '0.3.19' -- \
	--with-mysql-include=`brew --prefix mysql`/include \
	--with-mysql-config=`brew --prefix mysql`/bin/mysql_config

stephanschubert / active_data.js.coffee

Last active January 29, 2016 09:17

Simple two-way data binding

	do ($ = jQuery, exports = window) ->

	class ActiveDataBinder
	constructor: (uid) ->

	# Use a jQuery object as simple PubSub

	pubSub = $ {}

	# We expect a 'data' attribute specifying the binding

stephanschubert / jquery.reduce.js

Last active December 21, 2015 12:29

The missing counterpart of jQuery.map()

	/* jQuery core team does not want to add 'reduce' -
	* Details: http://dev.jquery.com/ticket/1886
	*/
	(function($) {

	$.reduce = function(array, callback, initialValue) {
	if (Array.prototype.reduce) {
	return Array.prototype.reduce.call(array, callback, initialValue);
	}

stephanschubert / ssh-reagent

Created September 19, 2011 11:45

Stick this in your shell configuration (e.g. ~/.bashrc or ~/.zshrc) and run ssh-reagent whenever you have an agent session running and a terminal that can't see it.

	ssh-reagent () {
	for agent in /tmp/ssh-/agent.; do
	export SSH_AUTH_SOCK=$agent
	if ssh-add -l 2>&1 > /dev/null; then
	echo Found working SSH Agent:
	ssh-add -l
	return
	fi
	done
	echo Cannot find ssh agent - maybe you should reconnect and forward it?

stephanschubert / fb-extract-comments.php

Created June 15, 2011 21:09

Extract comments from your page on Facebook

	<?php

	// displays some comments for a certain url
	$url = 'http://developers.facebook.com/docs/reference/fql/comment/';

	// fql multiquery to fetch all the data we need to display in one go
	$queries = array('q1' => 'select post_fbid, fromid, object_id, text, time from comment where object_id in (select comments_fbid from link_stat where url ="'.$url.'")',
	'q2' => 'select post_fbid, fromid, object_id, text, time from comment where object_id in (select post_fbid from #q1)',
	'q3' => 'select name, id, url, pic_square from profile where id in (select fromid from #q1) or id in (select fromid from #q2)',
	);

stephanschubert / optimized_google_plusone.js

Created June 7, 2011 17:48

Optimized Google PlusOne Javascript - Asynchronous/Non-Blocking, Minimal + SSL Fix

	<!-- Place this tag just before your close body tag and NOT in your <head> -->
	<script>
	(function(d, t) {
	var g = d.createElement(t),
	s = d.getElementsByTagName(t)[0];
	g.async = true;
	g.src = 'https://apis.google.com/js/plusone.js';
	s.parentNode.insertBefore(g, s);
	})(document, 'script');
	</script>

stephanschubert / cross-browser-background-rgba.scss

Created April 18, 2011 05:44

SCSS mixin for cross-browser background-color: rgba(...). You'll need the Ruby extension for convenient color conversion rgba->hex (IE uses ARGB)

	@mixin background-rgba($r,$g,$b,$a) {
	// To mimic this in Internet Explorer, you can use the proprietary filter
	// property to create a gradient with the same start and end color, along
	// with an alpha transparency value.

	@if experimental-support-for-microsoft {
	$color: ie_hex($r,$g,$b,$a);
	$value: unquote("progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr=##{$color},endColorstr=##{$color})");

	background-color: transparent\9;

stephanschubert / spork_mongoid_devise_reload_fix.rb

Created April 10, 2011 18:43

Fix the reloading issue when using Spork with Mongoid and/or Devise

	Spork.each_run do
	# This code will be run each time you run your specs.
	load "#{Rails.root}/config/routes.rb"
	Dir["#{Rails.root}/app/*/.rb"].each { \|f\| load f }
	end

stephanschubert / minmax.js

Created March 28, 2011 15:54

Simple but elegant solution for creating Array#min/max in JavaScript

	Array.max = function(array){
	return Math.max.apply(Math, array);
	};

	Array.min = function(array){
	return Math.min.apply(Math, array);
	};

Stephan Schubert stephanschubert