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Sending Email (revised)
Thanks to Action Mailer, sending email in Rails is easy but there are several gotchas to be aware of. Here I show how to send an email upon submitting a form and the configuration options necessary.
(8 minutes)
Hstore
With hstore you can add schema-less data to PostgreSQL. This allows you to store model attributes without creating separate database columns. Watch how to do this using the activerecord-postgres-hstore gem.
(10 minutes)
Queue Classic
PostgreSQL can act as a worker queue which can replace the need for a separate process to manage the background jobs. Here you will learn how to do this with the queue_classic gem.
(8 minutes)
Nested Model Form (revised)
Handling multiple models in a single form is easy with accepts_nested_attributes_for. Here you will also learn how to add and remove nested records through JavaScript.
(11 minutes)
Full-Text Search in PostgreSQL
Postgres offers full-text searching right out of the box. This episode shows how to write queries from scratch, apply tools like Texticle and pg_search, and optimize performance through indexes.
(16 minutes)
Migrating to PostgreSQL
Postgres is a feature-packed relational database that every Rails developer should consider using. Here you will learn how to install it, add it to a new application, and transition from an existing SQLite app using the "taps" gem.
(8 minutes)
The Logger (revised)
The log file will show what is going on behind the scenes of a Rails request. Learn how to log messages, add tags, override formatting, and more.
(6 minutes)
Asset Pipeline in Production
The Asset Pipeline is very useful, but it can be a pain in production. Here I show why it works the way it does, and how to customize it to fit your deployment setup.
(13 minutes)
DataTables
DataTables makes it easy to convert a plain HTML table into one with pagination, sorting, and searching - all done with JavaScript and jQuery. Here I show how to set this up and use a Rails application as the data source.
(9 minutes)
Debugging Ruby (revised)
This episode will show you how to debug a rails app using the "debugger" gem: set a breakpoint, inspect variables and change the executed code at runtime.
(7 minutes)