Alexandre Calaça
Alexandre Calaça's Blog

Alexandre Calaça's Blog

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Alexandre Calaça

Alexandre Calaça

17 followers

Software developer. Topics: Ruby, Rails, Design patterns and software engineering in general.

GitHub: https://github.com/alexcalaca

Simple way to use Atom feed format in your Rails application [Part I of II]

May 30, 20234 min read

Theory · Problem How to use Atom feed format in your Rails application. Click here if you just want to check the implementation part. Introduction In...

Simple way to use Atom feed format in your Rails application [Part I of II]

Dynamic Content Delivery: Displaying Views with Ajax Requests in Ruby on Rails

May 29, 20234 min read

TL; DR: Redirect to a javascript file in your controller and create a brilliant javascript code. Objective Learn how to handle Ajax requests in Ruby...

Dynamic Content Delivery: Displaying Views with Ajax Requests in Ruby on Rails

How to apply the Yellow Fade Technique in a Ruby on Rails application?

May 25, 20235 min read

Revisited on May 28th, 2023 TL; DR: Configure a CSS class and include it to apply the technique. Problem In an Ajax-based application, users may...

How to apply the Yellow Fade Technique in a Ruby on Rails application?

How to limit the number of characters in a text field in Rails

May 24, 20232 min read

TL; DR: Set the maxlength attribute to the desired number Problem How to limit the number of characters in a text field in Rails. Explanation The...

How to limit the number of characters in a text field in Rails

Taming ActiveRecord::RecordInvalid error Like a Pro

May 24, 20233 min read

TL; DR: The best strategy is the one based on your needs. Problem The ActiveRecord::RecordInvalid error is an exception raised in Ruby on Rails when...

Taming ActiveRecord::RecordInvalid error Like a Pro

How to create a super basic search form in Ruby on Rails

May 23, 20233 min read

TL; DR: Seriously, this form implementation is incredibly simple Situation How to create a super basic search form in Ruby on Rails. The following...

How to create a super basic search form in Ruby on Rails