Category: Rails

Rails 7.1 adds *_deliver callbacks to Action Mailer

Rails 7.1 enables detailed query plan analysis with options in ActiveRecord::Relation#explain

Rails 7.1 adds ActiveRecord::Base::normalizes

Rails 7.1 adds support for logging background job enqueue callers

Rails 7.1 adds ActiveJob.perform_all_later

Rails 7.1 adds adapter option to disallow foreign keys

Rails 7.1 allows using aliased attributes with insert_all/upsert_all

How we upgraded from Rails 6 to Rails 7

Three case studies of debugging redis running out of memory

Rails 7.1 allows infinite ranges for LengthValidators and Clusivity validators

Rails 7.1 raises RuntimeError if Active Storage service is not specified

Rails 7.1 adds callbacks for Action Cable commands at the connection level

Rails 7.1 allows audio_tag and video_tag to receive Active Storage attachments

Rails 7.1 returns the Active Storage attachment(s) after saving the attachment

Handling SIGHUP error from Heroku

Rails 7 adds only_numeric option to numericality validator

Rails 7 adds Pathname#existence

Fix slow page loads in a Ruby on Rails application by identifying n+1 queries

Rails 7 adds accepts_nested_attributes_for support for delegated_type

Rails 7 Adds from option to ActiveSupport::TestCase#assert_no_changes

Rails 7 replaced byebug with ruby/debug

Rails 7 adds weekday_options_for_select and weekday_select

Rails 7 adds ActiveRecord::Base#previously_persisted?

Rails 7 adds ActiveRecord::QueryMethods#in_order_of

Rails 7 adds disable_joins for associations

Rails 7 adds the ability to use pre-defined variants

Rails 7 adds setting for enumerating columns in select statements

Reducing memory bloat of a Ruby on Rails application

Rails 7 adds ComparisonValidator to ActiveRecord

Rails 7 adds ActiveRecord::Relation#structurally_compatible?

Rails 7 deprecates Enumerable#sum and Array#sum

Rails 7 adds method calls for nested secrets

Rails 7.0 adds encryption to Active Record models

Rails 6.1 adds invert_where method

Rails 7 adds Enumerable#sole

Rails 6.1 adds support for validating numeric values that fall within a specific range using the `in:` option

Rails 7 allows constructors (build_association and create_association) on has_one :through associations

Rails 6.1 adds delegated_type to ActiveRecord

Rails 7 adds Enumerable#in_order_of

Rails 7 adds ActiveRecord::Relation#excluding

Rails 6.1 adds nulls_first and nulls_last methods to Arel for PostgreSQL

Rails 7.0 adds ActiveRecord::FinderMethods 'sole' and 'find_sole_by'

Rails 7 adds Enumerable#maximum

Rails 6.1 adds support for PostgreSQL interval data type

Rails 6.1 allows per environment configuration support for Active Storage

Rails 6.1 adds support for belongs_to to has_many inversing

Additional database-specific rake tasks for multi-database users

Rails 6.1 adds strict_loading to warn lazy loading associations

Rails 6.1 allows default_scope to be run on all queries

Rails 6.1 adds where.associated to check association presence

Rails 6.1 raises an error for impossible camelcase inflections

Rails 6.1 allows associations to be destroyed asynchronously

Reduce asset delivery time from 30 to 3 seconds with CDN

Rails 6.1 adds values_at attribute method for Active Record

Database tasks can skip test database using SKIP_TEST_DATABASE

Rails 6.1 supports ORDER BY clause for batch processing methods

Rails 6.1 deprecates structure:dump/load rake tasks

Rails 6.1 adds --minimal option support

Rails 6 adds support to persist timezones of Active Job

Rails 6 adds including & excluding method on Enumerables

Rails 6.1 raises error on rollback when using multiple database

Render a liquid template when the template is a liquid template

Rails 6.1 deprecates the use of exit statements in transaction

Rails 6.1 creates abstract classes in multiple database mode

Rails 6.1 adds annotate_rendered_view_with_filenames for views

Rails 6.1 allows configuring default value of enum attributes

Rails 6.1 adds support for where with a comparison operator

Rails 6.1 tracks Active Storage variant in the database

Rails 6 fixes after_commit callback invocation bug

Rails 6.1 introduces class_names helper

Rails Multiple Polymorphic Joins

Rails 6 adds rails db:prepare to migrate or setup a database

Rails 6.1 adds *_previously_was attribute methods

Rails 6 adds guard against DNS Rebinding attacks

Rails 6 adds ActiveStorage::Blob#open

Rails 6 adds ActionMailer#email_address_with_name

Rails 6 raises ArgumentError if param contains colon

Rails 6 introduces new code loader called Zeitwerk

Rails 6 adds ActiveSupport::ActionableError

Rails 6 add_foreign_key & remove_foreign_key SQLite3

Rails 6 adds ActionDispatch::Request::Session#dig

Marking arrays of translations safe using html suffix

Rails 6 adds filter_attributes on ActiveRecord::Base

ArgumentError for invalid :limit & :precision Rails 6

Rails 6 Pass custom config to ActionCable::Server::Base

Rails 6 adds support of symbol keys

Rails 6 preserves status of #html_safe?

Recyclable cache keys in Rails

Rails 6 deprecates where.not as NOR & Rails 6.1 as NAND

Rails 6 adds support for Optimizer Hints

Rails 6 reports object allocations while rendering

Rails 6 adds ActiveRecord::Relation#annotate

Rails 6 adds hook to Active Job for retry & discard

Rails 6 adds support for Multi Environment credentials

Rails 6 adds before? and after? to Date and Time

Rails 6 adds Array#extract!

Rails 6 adds Enumerable#index_with

Rails 6 adds private option to delegate method

Rails 6 allows spaces in postgres table names

Rails 6 adds if_not_exists option to create_table

Rails 6 has added a way to change the database of the app

Rails 6 adds parallel testing

Rails 6 improves ActiveSupport::Notifications::Event

Rails 6 allows configurable attribute on #has_secure_password

Rails 6 allows overriding ActiveModel::Errors#full_message

Rails 6 adds ActiveRecord::Relation#extract_associated

Rails 6 adds implicit_order_column

Bulk insert support in Rails 6

Rails 6 drops support for PostgreSQL version less than 9.3

Rails 6 requires Ruby 2.5 or newer

Rails 6 database seed uses inline Active Job adapter

Rails 6 adds ActiveRecord::Relation#reselect

Rails 6 adds ActiveModel::Errors#of_kind?

Rails 6 shows routes in expanded format

Rails 6 adds ActiveModel::Errors#slice!

Rails 6 adds create_or_find_by and create_or_find_by!

Rails 6 raises ActiveModel::MissingAttributeError

Rails 6 ActiveRecord::Base.configurations

Rails 6 shows unpermitted params in logs in color

Rails 6 delete_by, destroy_by ActiveRecord::Relation

Rails 6 adds ActiveRecord::Relation#touch_all

Rails 6 adds negative scopes on enum

Replacing PhantomJS with headless Chrome

Rails 5 Active Record attributes API

Passing current_user by default in Sidekiq

Skipping devise trackable module for API calls

Rails 5.2 DSL for configuring Content Security Policy

Rails 5.2 stops some raw SQL, prevents SQL injections

Use parametrized containers to deploy Rails microservices

Upload direct to S3 with Pre-signed POST request

Setting up a high performance Geocoder

Speed up Docker image build process of a Rails app

Rails 5.2 added method write_multi to cache store

Rails 5.2 uses AES-256-GCM authenticated encryption

Using Concurrent Ruby in a Ruby on Rails Application

Rails 5.2 adds allow_other_host to redirect_back method

Faster JSON generation using PostgreSQL JSON function

Rails 5.2 fixes query caching in MySQL & PostgreSQL adapters

How to mitigate DDoS using Rack::Attack

Increase reliability using super_fetch of Sidekiq Pro

Rails 5.2 sets version in Gemfile & adds .ruby-version

Rails 5.2 Date#prev_occurring & Date#next_occurring

Gpg decryption without pin entry pop up using GPGME

Setup path based routing for a Rails app with HAProxy Ingress

Rails 5.2 default option to module & class attribute accessors

Rails 5.2 specifying default value for class_attribute

Rails 5.2 allows mailers to use custom Active Job class

Rails 5.2 supports descending indexes for MySQL

Rails 5.2 pass request params to Action Mailer previews

Rails 5.2 adds bootsnap to the app to speed up boot time

Rails 5.2 fetch_values for HashWithIndifferentAccess

Rails 5.1 doesn't load all records on calling Model.all#inspect

Rails adds accurate numerical validation

Integrate SAML with many IDPs with Devise & OmniAuth

Rails 5.2 expiry option for signed & encrypted cookies

New Syntax for HTML Tag helpers in Rails 5.1

Rails 5.1 enhances ActiveSupport::TimeZone.country_zones

Rails 5.1 dropped jQuery dependency in default stack

Rails using db:migrate & db:seed on Kubernetes

Rails 5.1 adds delegate_missing_to

Rails 5.1 adds support for limit in batch processing

Rails 5.1 doesn't share thread_mattr_accessor variable

Rails 5.1 introduced assert_changes and assert_no_changes

Forward ActiveRecord::Relation#count to Enumerable#count

Rails 5.1 has introduced Date#all_day helper

Rails 5 blogs and the art of story telling

Rails 5 Create module and class level variables

Rails 5 silences assets logs in dev mode by default

Rails 5 disables autoloading while app in production

Rails 5 adds more control to fine tuning SSL usage

Rails 5 Discard some flash messages to trim storage

Rails 5 deprecates alias_method_chain

New framework defaults in Rails 5 to make upgrade easier

Rails 5 Wildcard for specifying template dependencies

Rails 5 Passing records to fresh_when and stale?

Set model name in fixtures as metadata

ActionController::Parameters in Rails 5

Rails 5 solves ambiguous column issue

Rails 5 Expression Indexes & Operator Classes support

Attach arbitrary metadata to an Active Job in Rails 5

Partial template name without Ruby identifier Rails 5

Rails 5 Passing current record for custom error

Skip mailers while generating Rails 5 app

Errors can be indexed with nested attributes in Rails 5

Rails 5 Conversion when deep munging params

Specific mime types in controller tests in Rails 5

Default response with 204 No Content in Rails 5

Rails 5 ensures compatibility with Rack frameworks

Rails 5 supports logging errors with tagged logging

Rails 5 makes sql statements even more colorful

Rails 5 adds helpers method in controllers for ease

Rails 5 supports adding comments in migrations

Rails 5 allows UUID as column type in create_join_table

Rails 5 adds another base class Application Job for jobs

Rails 5 Updating records in AR Relation

Rails 5 prevents destructive action on production database

Rails 5 adds finish option in find_in_batches

Rails 5 introduces country_zones helper method

Rails 5 provides fragment caching in Action Mailer views

Rails 5 adds OR support in Active Record

Rails 5 ArrayInquirer and checking array contents

Rails 5 Renaming transactional fixtures to tests

Rails 5 adds ignored_columns for Active Record

Rails 5 adds a hidden field on collection radio buttons

Rails 5 Attributes from Active Record to Active Model

Rails 5 Configure Active Job backend adapter for jobs

Rails 5 accepts 1 or true for acceptance validation

Rails 5 supports bi-directional destroy dependency

Rails 5 adds after_commit callbacks aliases

Rails 5 Updating a record without updating timestamps

Rails 5 Retrieving info of failed validations

Rails 5 - What's in it for me?

Rails 5 officially supports MariaDB

Changes to test controllers in Rails 5

accessed_fields to find active fields in application

Rails 5 Warning when fetching with Active Record

Rails 5 Sending STDOUT via environment variable

Validate multiple contexts together in Rails 5

Rails 5 changes protect_from_forgery execution order

Rails 5 provides config to use UUID as primary key

Rails 5 changed Active Job default adapter to Async

Support for left outer join in Rails 5

has_secure_token for unique random token in Rails 5

Suppress save events in Rails 5

Rails 5 improves rendering partial from cache

Rails 5 switches from strong etags to weak etags

Parameter filtering enhancement in Rails 5

Rails 5 adds http_cache_forever

Better exception responses in Rails 5 API apps

Use file_fixture to access test files in Rails 5

Migrations are versioned in Rails 5

Rails 5 improves redirect_to :back method

Rails 5 allows configuring queue name for mailers

Rails 5 handles DateTime with better precision

Active Support Improvements in Rails 5

Rails 5 improves route search with advanced options

Rails 5 makes belongs_to association required by default

Rails 5 doesn't halt callback chain if false is returned

Configuring bundler using bundle config

Caching result sets and collection in Rails 5

Caching in development environment in Rails 5

Rails 5 wraps all rake commands using rails

Each form gets its own CSRF token in Rails 5

Rendering views outside of controllers in Rails 5

Not using https might be breaking file uploads

Test runner in Rails 5

ApplicationRecord in Rails 5

How constant lookup and resolution works in Ruby on Rails

Rails 5 allows setting custom HTTP Headers for assets

Migrating Rails app from postgresql to sql server

Using ReactJS with Rails Action Cable

Verifying PubSub Services from Rails using Redis

Voice based phone verification using twilio

Gotcha with after_commit callback in Rails

Phone verification using SMS via Twilio

Migrating existing session cookies while upgrading

Rails Girls Pune 2014

DRYing up Rails Views with View Carriers and Services

Make Outbound calls to a phone using Twilio and Rails

Tricks and Tips for using Fixtures effectively in Rails

DeccanRubyConf 2014. Hou De!

Flash access changes in Rails 4.1

Issue with Delayed Job lifecycle and Postgres Errors

RedDotRubyConf 2014

Six Year Old Optional / Keyword Arguments bug

How to add additional directories to test

Configuring Log Formatting in Rails

Displaying non repeating random records

Active Record is still magical

Visitor pattern and double dispatch in ruby

Preload, Eagerload, Includes and Joins

Cookies on Rails

Understanding instance exec in ruby

Rex, Rexical and Rails routing

Rails Routing -- a comprehensive look at routing

Life of save in ActiveRecord

Redirect to www for heroku with SSL

Solr, Sunspot, Websolr and Delayed job

Test factories first

Data-behavior is for JavaScript developers

XSS and Rails

CSRF and Rails

tsort in ruby and rails initializers

Mime type resolution in Rails

I am not seeing hoptoad messages. Now I know why.

Order of format matters in respond_to block

Determining if commits are executed in a transaction

Restful architecture does not mean one to one mapping

Configure local_request

Override automatic updated_at in ActiveRecord/Rails

Under the hood how named_scope works