Notes

This is a class-level method. For the instance-level equivalent see: ActiveRecord::Base#increment

item = Item.find(1)
item.foo_count # => 0
Item.increment_counter(:foo_count, 1)
item.foo_count # => 0
item.reload
item.foo_count # => 1
item.increment(:foo_count)
item.f...

I've found on the net 2 ways to pass parameters to before_filter:

method 1: before_filter do |c| c.class.module_eval do private def custom_filter authorize(args) end end end before_filter :custom_filter

method 2: before_filter do |c| c.send(:authorize, a...

According to http://henrik.nyh.se/2008/01/surround-helper-alternative-in-haml there is a short version for sprintf:

"(%s)" % "foo" is the same as sprintf("(%s)", "foo")

Can someone who knows write more about this here? How do I work with multiple strings? Is this even possible? "(%s %t)" % "foo",...

This method has been moved to {ActiveSupport::Inflector#demodulize}[http://apidock.com//rails/ActiveSupport/Inflector/demodulize]

This method has been moved to {ActiveSupport::Inflector#foreign_key}[http://apidock.com//rails/ActiveSupport/Inflector/foreign_key]

This method has been moved to {ActiveSupport::Inflector#humanize}[http://apidock.com//rails/ActiveSupport/Inflector/humanize]

This method has been moved to {ActiveSupport::Inflector#inflections}[http://apidock.com//rails/ActiveSupport/Inflector/inflections]

This method has been moved to {ActiveSupport::Inflector#ordinalize}[http://apidock.com//rails/ActiveSupport/Inflector/ordinalize]

This method has been moved to {ActiveSupport::Inflector#singularize}[http://apidock.com//rails/ActiveSupport/Inflector/singularize]

This method has been moved to {ActiveSupport::Inflector#tableize}[http://apidock.com//rails/ActiveSupport/Inflector/tableize]

This method has been moved to {ActiveSupport::Inflector#titleize}[http://apidock.com//rails/ActiveSupport/Inflector/titleize]

This method has been moved to {ActiveSupport::Inflector#underscore}[http://apidock.com//rails/ActiveSupport/Inflector/underscore]

This method has been moved to {ActiveSupport::Inflector#dasherize}[http://apidock.com//rails/ActiveSupport/Inflector/dasherize]

This method has been moved to {ActiveSupport::Inflector#constantize}[http://apidock.com//rails/ActiveSupport/Inflector/constantize]

This method has been moved to {ActiveSupport::Inflector#classify}[http://apidock.com//rails/ActiveSupport/Inflector/classify]

This method has been moved to {ActiveSupport::Inflector#camelize}[http://apidock.com//rails/ActiveSupport/Inflector/camelize]

RISCfuture - I had trouble using sortable_element_js in my rjs (javascript error when I used options), but had success with page.sortable('the_id',{a_hash_of_my_options}) in my rjs

Helper method that returns the word without the count.

==== application_helper.rb def pluralize_without_count(count, noun, text = nil) if count != 0 count == 1 ? "#{noun}#{text}" : "#{noun.pluralize}#{text}" end end

Example usage:

==== _form.html.erb <%= pluralize_withou...

See ActiveRecord::Associations::ClassMethods#belongs_to

order_by(:created_at).find_each == FAIL!!!

class ActiveRecord::Base
# normal find_each does not use given order but uses id asc
def self.find_each_with_order(options={})
  raise "offset is not yet supported" if options[:offset]

  page = 1
  limit = options[:limit] || 1000...