bomsn

// jQuery must be loaded before calling this function ( for AJAX )
let getUserPostcode = () => {
    if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(
            (position) => {
                let lat = position.coords.latitude,
                    long = position.coords.longitude,
                    url = "https://maps.googleapis.com/maps/api/geocode/json?latlng=" + lat + "," + long + "&key=YOUR_GOOGLE_API_KEY";
                $.ajax({
                    type: "GET",

JamieMason

Group Array of JavaScript Objects by Key or Property Value

Implementation

const groupBy = key => array =>
  array.reduce((objectsByKeyValue, obj) => {
    const value = obj[key];
    objectsByKeyValue[value] = (objectsByKeyValue[value] || []).concat(obj);
    return objectsByKeyValue;

doctorpangloss

madeindjs

function defer(method) {
    if (window.jQuery)
        method();
    else
        setTimeout(function() { defer(method) }, 50);
}

mdang

Ruby on Rails Cheatsheet

Architecture

Create a new application

Install the Rails gem if you haven't done so before

JunichiIto

This list is based on aliases_spec.rb.

You can see also Module: RSpec::Matchers API.

matcher	aliased to	description
a_truthy_value	be_truthy	a truthy value
a_falsey_value	be_falsey	a falsey value
be_falsy	be_falsey	be falsy
a_falsy_value	be_falsey	a falsy value

carolineartz

require 'nokogiri'
require 'open-uri'

# Get a Nokogiri::HTML:Document for the page we're interested in...

doc = Nokogiri::HTML(open('http://www.google.com/search?q=tenderlove'))

# Do funky things with it using Nokogiri::XML::Node methods...

####

justinweiss

# Call scopes directly from your URL params:
#
#     @products = Product.filter(params.slice(:status, :location, :starts_with))
module Filterable
  extend ActiveSupport::Concern

  module ClassMethods
    
    # Call the class methods with names based on the keys in <tt>filtering_params</tt>
    # with their associated values. For example, "{ status: 'delayed' }" would call