MarcoPolo shows your app name and environment in your console prompt so you don't accidentally break production Officially supporting...
Here is how to start your Rails application to accept both HTTP and HTTPS in development. gem install passenger
Free Bootstrap theme resembling Material Design. Bootswatch offers Sass and Less files, so the theme can easily be integrated into...
Web security basics Einführung in die Web Security 🇩🇪 provides essentials for the topic of this card. Read following chapters:
Rubymonk training Read the following Rubymonk articles: Ruby Primer: Ascent (archived copy) Metaprogramming Ruby (archived copy) Metaprogramming Ruby: Ascent (archived...
Watch Solving bizarre authorization requirements with Rails Read the Consul README Read the assignable_values README Understand how Consul...
Authentication is all about being able to verify the identity of a user in the context of our application.
Goal of this lesson is to understand what middlewares in Rack are good for. Rack Start with these articles:
Read (or re-read) the following chapters from our book Growing Rails Applications in Practice (it’s in our...
The migration DSL now supports adding and removing foreign keys. They are dumped to schema.rb as well. At this time...
Your after_commit callbacks will not know about changes, as Rails discards them when committing. The linked article shows a...
Very detailed guide to caching Ruby on Rails. Goes well with the official Rails guide on caching.
Understand the differences between git diff and git diff --staged (or git diff --cached) Understand the difference between git...
Action Mailer Basics and Previews Chapter "Task H1: Sending Mail" from Agile Web Development with Rails 7.2 (in our...
Learn to treat files as an ActiveRecord attribute type, like :string or :integer Research Look at the README for...
Understand what Memoization is and when it can be useful. Understand the @variable ||= computation pattern. Learn how to use...
In this card we will learn to write code that scales with a large number of database records. We will...
Read the following chapters from The Pragmatic Programmer, anniversary edition (in our library): Chapter 1, Topic 3: Software Entropy...
Understand at least the following CSS concepts: Classes Selecting elements for styling Basic styling (color, typography, spacing)
Understand why we test: Low defect rate without a QA department. Customer acceptance testing can concentrate on new features...
Rails is our web framework. Goals Be able to write a simple Rails application. Understand how Rails talks to the...
makandra is responsible for maintaining about 75 Ruby projects. These projects use a large number of different versions for Ruby...
When using ORDER BY "column" in PostgreSQL, NULL values will come last. When using ORDER BY "column" DESC, NULLs will...
Rails comes with grouped_collection_select that appears to be useful, but isn't. As an alternative, consider the flat...