basgys

# Render a partial in a different format
#
# Parameter : String or Array
# Usage :
# <% with_format('html') do %>
#   <%= render(partial: 'partial') %>
# <% end %>
def with_format(formats)
  original_formats = self.formats
  self.formats = formats.kind_of?(Array) ? formats : [formats]

basgys

StandardNewsletter.daily.publish

basgys

$ rails generate newsletter standard daily weekly
    create  app/newsletters/standard_newsletter.rb
    create  app/views/standard_newsletter/daily.html.emv
    create  app/views/standard_newsletter/daily.text.emv
    create  app/views/standard_newsletter/weekly.html.emv
    create  app/views/standard_newsletter/weekly.text.emv

basgys

# loop on something .each do |my_model|
  blob_to_file(my_model.blob_image) do |image_file|
    my_model.update_attributes(s3_image: image_file)
  end
# end

def blob_to_file(blob)  
  tfile = Tempfile.new('blob_to_file')
  tfile.write(blob.force_encoding("UTF-8"))
  yield(tfile) if block_given?

basgys

$("img.thumb").error(function() {		
	var path = $(this).data('src');
	var img = $(this);

	// Put back mock image
	$(img).attr('src', 'http://placehold.it/56x56');

	// Increment loading counter
	var attempt = ($(img).data('attempt') || 0);
	attempt++;

basgys

class ActiveRecord::Base
 
  # Retryable transaction
  # =====================
  # 
  # Author : Bastien Gysler (http://www.bastiengysler.com)
  #
  #   ActiveRecord::Base.retryable_transaction(tries: 1, :when => ActiveRecord::RecordNotUnique) do |on|
  #     on.transaction do
  #        # transaction code here

basgys

# config/tunnel.yml
public_host_username: username_ssh
public_host: my_public_domain
public_port: 8000
local_host: 0.0.0.0
local_port: 3000

# lib/tasks/tunnel.rake
namespace :tunnel do
  desc "Start a ssh tunnel"

basgys

desc "Tail logs"
task :logs => :environment do |t, args|
  log_files = ['log/searchd.log', 'log/searchd.query.log', 'log/resque.log', 'log/development.log']
  system "tail -f -n 2 #{log_files.map {|f| "#{Rails.root}/#{f}"}.join(' ')} | perl -pe 's/^(==>)(.*)(<==)$/\e[1;33;40m$&\e[0m/g'"
end

basgys

map = {
	'.-' => 'A',
	'-...' => 'B',
	'-.-.' => 'C',
	'-..' => 'D',
	'.'	=> 'E',
	'..-.' => 'F',
	'--.' => 'G',
	'....' => 'H',
	'..' => 'I',

basgys

input = "MCMXCIX" # 1999

# Roman to Arabic mapper
r2a = {"I" => 1, "V" => 5, "X" => 10, "L" => 50, "C" => 100, "D" => 500, "M" => 1000}

# Translate input to an array of arabic numbers
numbers = input.split(//).map {|c| r2a[c]}
count = numbers.count-1

# Compute result (more infos @ http://en.wikipedia.org/wiki/Roman_numerals)