ActionView::Helpers::TextHelper
Ruby on Rails 7.1.3.2 Module ActionView::Helpers::TextHelper actionview/lib/action_view/helpers/text_helper.rb Action View Text Helpers The TextHelper module provides a set of methods for filtering, formatting and transforming strings, which can reduce the amount of inline Ruby code in your views. These helper methods extend Action View making them callable within your template files. Sanitization
ActiveSupport::Testing::TimeHelpers
Calls travel_to with Time.now. Forwards optional with_usec argument. Time.current # => Sun, 09 Jul 2017 15:34:49 EST -05:00 freeze_time sleep(1) Time.current # => Sun, 09 Jul 2017 15:34:49 EST -05:00 This method also accepts a block, which will return the current time back to its original state at the end of the block: Time.current # => Sun, 09 Jul 2017 15:34:49 EST -05:00 freeze_time do sleep(1)
ActiveSupport::Benchmarkable
benchmark(message = "Benchmarking", options = {}, &block) Link Allows you to measure the execution time of a block in a template and records the result to the log. Wrap this block around expensive operations or possible bottlenecks to get a time reading for the operation. For example, let’s say you thought your file processing method was taking too long; you could wrap it in a benchmark block. <%
ActiveSupport::Multibyte::Chars
Active Support Multibyte Chars Chars enables you to work transparently with UTF-8 encoding in the Ruby String class without having extensive knowledge about the encoding. A Chars object accepts a string upon initialization and proxies String methods in an encoding safe manner. All the normal String methods are also implemented on the proxy. String methods are proxied through the Chars object, and
ActiveModel::SecurePassword::ClassMethods
Ruby on Rails 7.1.3 Module ActiveModel::SecurePassword::ClassMethods activemodel/lib/active_model/secure_password.rb Adds methods to set and authenticate against a BCrypt password. This mechanism requires you to have a XXX_digest attribute, where XXX is the attribute name of your desired password. The following validations are added automatically: Password must be present on creation Password leng
ActionController::HttpAuthentication::Basic
Ruby on Rails 7.1.3.3 Module ActionController::HttpAuthentication::Basic actionpack/lib/action_controller/metal/http_authentication.rb HTTP Basic authentication Simple Basic example class PostsController < ApplicationController http_basic_authenticate_with name: "dhh", password: "secret", except: :index def index render plain: "Everyone can see me!" end def edit render plain: "I'm only accessible
ActiveRecord::Batches
find_each(start: nil, finish: nil, batch_size: 1000, error_on_ignore: nil, order: DEFAULT_ORDER, &block) Link Looping through a collection of records from the database (using the Scoping::Named::ClassMethods.all method, for example) is very inefficient since it will try to instantiate all the objects at once. In that case, batch processing methods allow you to work with the records in batches, the
ActiveRecord::ConnectionAdapters::SchemaStatements
Adds a new check constraint to the table. expression is a String representation of verifiable boolean condition. add_check_constraint :products, "price > 0", name: "price_check" generates: ALTER TABLE "products" ADD CONSTRAINT price_check CHECK (price > 0) The options hash can include the following keys: :name The constraint name. Defaults to chk_rails_<identifier>. :if_not_exists Silently ignore
ActiveRecord::Validations::ClassMethods
# File activerecord/lib/active_record/validations/absence.rb, line 20 def validates_absence_of(*attr_names) validates_with AbsenceValidator, _merge_attributes(attr_names) end Validates whether the associated object or objects are all valid. Works with any kind of association. class Book < ActiveRecord::Base has_many :pages belongs_to :library validates_associated :pages, :library end WARNING: This
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ActiveSupport::BufferedLogger