Learn to store attachments in a way that is accessible by authorized users only Learn to prevent users from...

You can include files from app/assets or from the public folder with javascript_include_tag. The subtle difference that tells...

To check which rubygems versions your different rbenv rubys are using, you can use this small bash script:

As you most likely know validates_uniqness_of :foreign_id does not allow nil values by default.

Use form models to handle this problem Or soften the validation to validates_presence_of :parent

There is no single place to look up documentation for our stack. This card includes some hints where you can...

makandra Curriculum

makandra's development process Learn about our process. The squares represent the state of the issue in Linear:

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Each time thin boots, it prints a boot message : Thin web server (v1.6.3 codename Protein Powder) Maximum connections set to...

If you hover over the text of a card, you will now see EDIT links at the top right corner...

A word of caution There should rarely be a reason for you to split up config/routes.rb. If you need to...

github.com

MarcoPolo shows your app name and environment in your console prompt so you don't accidentally break production Officially supporting...

Use base_class. This traverses up the hierarchy until it encounters either a class inheriting from ActiveRecord::Base or

makandra dev

tig is a command line explorer for Git that is just awesome. Install via apt-get or brew. Handy commands...

Here is how to start your Rails application to accept both HTTP and HTTPS in development. gem install passenger

Reason: You very likely have a model that has a delay attribute. You can configure Sidekiq to remove its delay...

makandra dev
bootswatch.com

Free Bootstrap theme resembling Material Design. Bootswatch offers Sass and Less files, so the theme can easily be integrated into...

Rubymonk training Read the following Rubymonk articles: Ruby Primer: Ascent (archived copy) Metaprogramming Ruby (archived copy) Metaprogramming Ruby: Ascent (archived...

makandra Curriculum

Watch Solving bizarre authorization requirements with Rails Read the Consul README Read the assignable_values README Understand how Consul...

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CTRL + SHIFT + ALT + N Search for any symbol in your application, like CSS classes, Ruby classes, methods, helpers etc...

makandra Curriculum

Authentication is all about being able to verify the identity of a user in the context of our application.

makandra Curriculum

Goal of this lesson is to understand what middlewares in Rack are good for. Rack Start with these articles:

makandra Curriculum

Read (or re-read) the following chapters from our book Growing Rails Applications in Practice (it’s in our...

A common task in web applications is to add client-side JavaScript behavior to existing HTML elements.

Software engineering principles Read about the following software engineering principles and code smells: Single Responsibility Principle Law of Demeter