bitdivine

(function(){
	// Input field given to n decimal places.  Degrades gracefully to standard numeric input.
	// Usage: <input type="number" is="decimal-number" data-places="2" name="..." value="...">
	try {
	var proto = Object.create(HTMLInputElement.prototype);
	proto.createdCallback = function() {
		this.type = "number";
		this.addEventListener("change", this.decimate);
		this.value = parseFloat(this.value).toFixed(this.getAttribute('data-places'));
	};

maxivak

Sending emails with ActionMailer and Sidekiq

Send email asynchroniously using Sidekiq.

ActionMailer

Create your mailer us usual:

joost

# More robust version to update new or existing counter cache columns in your Rails app.
# See: https://gist.github.com/svyatov/4225663
desc 'Update all cache counters'
task :update_cache_counters => :environment do
  models_to_update = {}

  # or: Rails.application.eager_load!
  # Dir loads less, so it's faster
  Dir.glob(Rails.root.join('app/models/**/*')).each { |model| require model if File.file?(model) }

harlantwood

ruby -e 'system("heroku create z#{29.times.map{ (("a".."z").to_a + ("0".."9").to_a).sample }.join}")'

them0nk

#Model 

@user.should have(1).error_on(:username) # Checks whether there is an error in username 
@user.errors[:username].should include("can't be blank")  # check for the error message 

#Rendering
response.should render_template(:index)

#Redirecting 
response.should redirect_to(movies_path)

technoweenie

GitHub OAuth Busy Developer's Guide

This is a quick guide to OAuth2 support in GitHub for developers. This is still experimental and could change at any moment. This Gist will serve as a living document until it becomes finalized at Develop.GitHub.com.

OAuth2 is a protocol that lets external apps request authorization to private details in your GitHub account without getting your password. All developers need to register their application before getting started.

Web Application Flow

• Redirect to this link to request GitHub access:

harlantwood

custom