TXDynamics’s gists

TXDynamics / user.rb

Created April 23, 2013 17:55

Ruby validated email address

	validates :name, presence: true, length: {maximum: 50}
	VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
	validates :email, presence: true , format: { with: VALID_EMAIL_REGEX }

TXDynamics / application.html.erb

Created April 23, 2013 20:33

Add debugging to our Ruby Application

	<!DOCTYPE html>
	<html xmlns="http://www.w3.org/1999/html">
	<head>
	<title><%= full_title(yield(:title)) %></title>
	<%= stylesheet_link_tag "application", :media => "all" %>
	<%= javascript_include_tag "application" %>
	<%= csrf_meta_tags %>
	<%= render 'layouts/shim' %>
	</head>
	<body>

TXDynamics / database.yml

Created April 24, 2013 13:24

Sample MySQL Ruby database.yaml file

	# MySQL. Versions 4.1 and 5.0 are recommended.
	#
	# Install the MYSQL driver
	# gem install mysql2
	#
	# Ensure the MySQL gem is defined in your Gemfile
	# gem 'mysql2'
	#
	# And be sure to use new-style password hashing:
	# http://dev.mysql.com/doc/refman/5.0/en/old-client.html

TXDynamics / users_controller.rb

Created April 24, 2013 13:33

Code for soving data to a database

	# The create def is a default just like show so you must use it
	# And you would use it when handling the submission of forms created
	# inside of the Controller for users

	def create
	# This code is run on the submission of our create form
	@user = User.new(params[:user])
	if @user.save
	# This code is executed on a valid save
	redirect_to @user

TXDynamics / application.html.erb

Created April 24, 2013 13:55

Display temp status messages using a loop and the ruby 'flash' which is a temporary 'hash' object

	<!--The Flash item is a temporary space used within Ruby
	In this case we are using it to display status messages accross
	The ruby site We are using a loop to do it-->
	<% flash.each do \|key, value\| %>
	<div class="alert alert-<%= key %>"><%= value %></div>
	<% end %>

TXDynamics / en.yml

Created April 24, 2013 14:10

Change name of database column to show better errors

	# Sample localization file for English. Add more files in this directory for other locales.
	# See https://github.com/svenfuchs/rails-i18n/tree/master/rails%2Flocale for starting points.

	# When an active record error message is show it uses the column name for the validation error
	# In the case of non English column names we need to create a name alias. In this case we are
	# changing the column name password_digest. We are giving it the Alias of 'Password'

	en:
	activerecord:
	attributes:

TXDynamics / users_helper.rb

Created April 24, 2013 14:13

Pass a value directly to a class method

	# An example of passing a value to a method within a class directly
	def gravatar_for(user, options = { size: 50 })
	gravatar_id = Digest::MD5::hexdigest(user.email.downcase)
	gravatar_url = "http://www.gravatar.com/avatar/#{gravatar_id}.jpg?s=#{size}"
	image_tag(gravatar_url, alt: user.name, class: "gravatar")
	end

TXDynamics / contact_us.html.erb

Created May 1, 2013 21:50

Pass HTML using provide method back to a view using the .html_safe method

<% provide(:article_heading, 'Contact NùRùmie'.html_safe) %>

TXDynamics / Rails-String-Show-Alternative-if-blank.rb

Created May 21, 2013 19:33

Ruby-Rails-String-Show-Alternate-If-Blank

<%= model.field.blank? ? 'Fill In' : model.field %>

TXDynamics / database.yml

Created May 24, 2013 13:09

Ruby-Sample-database.yaml

	# MySQL. Versions 4.1 and 5.0 are recommended.
	#
	# Install the MYSQL driver
	# gem install mysql2
	#
	# Ensure the MySQL gem is defined in your Gemfile
	# gem 'mysql2'
	#
	# And be sure to use new-style password hashing:
	# http://dev.mysql.com/doc/refman/5.0/en/old-client.html