makandra cards: Ruby and RoR knowledge base (public cards) https://makandracards.com/alexander-m Defensive Programming via Validating Decorators https://makandracards.com/alexander-m/63151-defensive-programming-via-validating-decorators Sun, 03 Feb 2019 14:46:20 +0100 card:63151 Measure elapsed time the right way https://makandracards.com/alexander-m/53156-measure-elapsed-time-right-way Thu, 07 Jun 2018 17:44:03 +0200 card:53156 Form Objects and Transactions (multiple models) https://makandracards.com/alexander-m/45252-form-objects-transactions-multiple-models Sun, 07 May 2017 18:08:45 +0200 card:45252 Decorating ActiveRecord https://makandracards.com/alexander-m/45124-decorating-activerecord Thu, 27 Apr 2017 16:52:30 +0200 card:45124 Chain of Responsibility Pattern https://makandracards.com/alexander-m/43979-chain-responsibility-pattern Thu, 02 Feb 2017 16:38:25 +0100 card:43979 Command Pattern https://makandracards.com/alexander-m/43748-command-pattern Wed, 18 Jan 2017 11:35:43 +0100 card:43748 Tear-off methods in Ruby https://makandracards.com/alexander-m/43704-tear-methods-ruby Sun, 15 Jan 2017 20:02:58 +0100 card:43704 Primitive obsession https://makandracards.com/alexander-m/43535-primitive-obsession Wed, 28 Dec 2016 11:56:30 +0100 card:43535 Reusable Object-Oriented Systems https://makandracards.com/alexander-m/43335-reusable-object-oriented-systems Sun, 18 Dec 2016 22:00:01 +0100 card:43335 Policy Objects https://makandracards.com/alexander-m/43084-policy-objects Wed, 23 Nov 2016 14:46:52 +0100 card:43084 Value Object https://makandracards.com/alexander-m/43081-value-object Wed, 23 Nov 2016 11:49:12 +0100 card:43081 Singleton Class https://makandracards.com/alexander-m/42888-singleton-class Thu, 03 Nov 2016 15:50:24 +0100 card:42888 Array Function https://makandracards.com/alexander-m/42837-array-function Tue, 25 Oct 2016 14:32:52 +0200 card:42837 Form Object from Railscasts https://makandracards.com/alexander-m/42271-form-object-railscasts Mon, 05 Sep 2016 17:00:26 +0200 card:42271 Playing with JSON https://makandracards.com/alexander-m/41478-playing-json Tue, 19 Jul 2016 16:41:36 +0200 card:41478 Essentials Of Cache Expiration In Rails https://makandracards.com/alexander-m/41476-essentials-cache-expiration-rails Tue, 19 Jul 2016 16:32:19 +0200 card:41476 Support OR in Active Record https://makandracards.com/alexander-m/40723-support-active-record Wed, 15 Jun 2016 17:11:12 +0200 card:40723 ArrayInquirer provides friendlier way to check contents in an array https://makandracards.com/alexander-m/40721-arrayinquirer-provides-friendlier-way-check-contents Wed, 15 Jun 2016 16:26:28 +0200 card:40721 Presenter from Railscasts https://makandracards.com/alexander-m/40587-presenter-railscasts Thu, 09 Jun 2016 14:39:10 +0200 card:40587 Know Ruby: with_index https://makandracards.com/alexander-m/40553-know-ruby-index Wed, 08 Jun 2016 17:16:14 +0200 card:40553 Transactional fixtures renamed to transactional tests https://makandracards.com/alexander-m/40551-transactional-fixtures-renamed-transactional-tests Wed, 08 Jun 2016 17:12:52 +0200 card:40551 A hidden field on collection radio buttons https://makandracards.com/alexander-m/40461-hidden-field-collection-radio-buttons Mon, 06 Jun 2016 18:49:12 +0200 card:40461 Bi-directional destroy dependency https://makandracards.com/alexander-m/40459-bi-directional-destroy-dependency Mon, 06 Jun 2016 15:16:47 +0200 card:40459 Update a record without updating timestamps https://makandracards.com/alexander-m/40457-update-record-updating-timestamps Mon, 06 Jun 2016 15:06:57 +0200 card:40457 Use custom type name with Ruby on Rails STI mechanism. https://makandracards.com/alexander-m/40107-custom-type-name-ruby-rails-sti-mechanism Sat, 14 May 2016 10:11:33 +0200 card:40107 How to specify local Ruby gems in your Gemfile. https://makandracards.com/alexander-m/40085-specify-local-ruby-gems-gemfile Thu, 12 May 2016 19:09:26 +0200 card:40085 Warning when fetching big result set from a database. https://makandracards.com/alexander-m/39911-warning-fetching-big-result-set-database Mon, 02 May 2016 17:50:44 +0200 card:39911 How to Deal with Timezones the ActiveSupport Way https://makandracards.com/alexander-m/39907-deal-timezones-activesupport-way Mon, 02 May 2016 17:05:22 +0200 card:39907 Replace the Last Occurrence of a Pattern In Ruby. https://makandracards.com/alexander-m/39905-replace-last-occurrence-pattern-ruby Mon, 02 May 2016 15:48:49 +0200 card:39905 Whitelisting with ActiveSupport module method presence_in https://makandracards.com/alexander-m/39903-whitelisting-activesupport-module-method-presence Mon, 02 May 2016 15:09:53 +0200 card:39903 Notification https://makandracards.com/alexander-m/39883-notification Sun, 01 May 2016 09:39:41 +0200 card:39883 ActiveRecord Features You Should Be Using https://makandracards.com/alexander-m/39569-activerecord-features Sun, 17 Apr 2016 13:31:43 +0200 card:39569 Safer SQL: Using ActiveRecord Transactions https://makandracards.com/alexander-m/39495-safer-sql-activerecord-transactions Tue, 12 Apr 2016 11:40:48 +0200 card:39495 Render partial from cache substantially faster. https://makandracards.com/alexander-m/39379-render-partial-cache-substantially-faster Sat, 02 Apr 2016 22:06:27 +0200 card:39379 Generate unique random token. https://makandracards.com/alexander-m/39365-generate-unique-random-token Sat, 02 Apr 2016 09:43:04 +0200 card:39365 Memento https://makandracards.com/alexander-m/39299-memento Thu, 31 Mar 2016 15:16:49 +0200 card:39299 Improve `redirect_to :back` with new `redirect_back` method. https://makandracards.com/alexander-m/39297-improve-redirect-back-new-redirect-back-method Thu, 31 Mar 2016 14:41:07 +0200 card:39297 Models `belongs_to` association required by default. https://makandracards.com/alexander-m/39271-models-belongs-association-required-default Wed, 30 Mar 2016 13:55:27 +0200 card:39271