The popular Ruby on Rails library ActsAsTaggableOn wrongfully selects the parent class in STI resulting empty #tagged_with method output. The solution would be to use a custom query.

Enable Tailwind CSS with JIT in your Ruby on Rails project using the new `cssbundling-rails` ruby gem. Includes advice for Trailblazer configuration.

Managing the database through Ruby on Rails and ActiveRecord is intuitive. Learn commonly used data types in AR for PostgreSQL, MySQL, SQLite, Oracle & SQLServer with special data types for PG.

A photo is worth a thousand words, how much does a video worth? Including videos as intros and backgrounds are becoming common and with HTML5 we can do so without the use of any plugins.

A collection of test cards for the popular card processor USAePay as their official support page is out of date (expiring 0921). These cards and their details are valid through 2023.

Those who enjoyed the where.not(...) query method will surely find the query.invert_where query method a welcoming feature. It allows us to easily invert entire queries.

Fix port 5432 connection refused error in macOS caused by Homebrew failure to start PostgreSQL database engine.

The resque-scheduler is an integral part of most legacy Ruby on Rails applications that use Resque. When upgrading such projects you might experience an error related to rufus-scheduler.

Bundling foreman with Ruby applications is a bad practice some Ruby developers practice this date. This needs to stop and here is why. Long story short, read the documentation people!

The "NSCFConstantString initialize error" bugged me right after a macOS Monterey installation on a Ruby on Rails v7 project. The solution is quick and simple. Why it happens though is a curious matter I would leave for later.

Fix the JavaScript error "Lqb is not defined" where it works in Development but not in Staging or Production environments (where assets are compiled and minified).

Check to confirm file attachment is common with any file upload implementation. This is how you can confirm that a modal with CarrierWave has indeed a file attachment. Includes "good practice", "bad practice" and what doesn't work.

Opening a file to read its contents is common in any application. The introduction of the method "existence" enables us to use Ruby Safe Navigation Operator to check for existence and safely read file.

Generating darkened and lightened colors based on a given colour is common in web interface development. This are the options you have to generate darkened and lightened colours in Ruby on Rails.

A little advice from my encounter with the LinkedIn Skill Assessment Test for Ruby on Rails. It is an easy test and any Rails developer could easily land on a new shiny badge.

The days of out of date secrets.yml files are over. Welcome, RoR encrypted credentials where you can encrypt and safely store credentials along with the source code. This is how you can activate it in Rails 5.1.

The Cookie Consent prompt negatively affects the effectiveness of landing pages. I recommend you disable them unless necessary. This is how you can disable sessions on routes on your Rails website.

Tutorial on how you can set HTML attributes dynamically when writing views using the popular HTML abstraction markup language HAML.

DRY your test code by generalizign repetitive tests in to RSpec shared examples.

Rswag is a useful tool when it comes to documenting an API that is both OpenAPI and Swagger compatible. Here we discuss how we can work around unsupported attributes like servers.

Not everyone has the luxury of having a beefed-up MacBook. I have wondered if 8GB of RAM will be sufficient for my work, and the answer is yes. But I do recommend at last 16GB.

Not every model/database table requires an auto-increment integer field as the primary key. Ruby on Rails allows us to specify the primary key in the migration field and configuration in the model.

With the introduction of ActionCable with Rails 5.0, WebSockets are now first-class citizens in the Ruby on Rails ecosystem. This article is an introduction to the WebSockets implementation in Rails.

Learn how to use SQL CASE statements to conditionally sort a dataset by either mapping a column value to another value or using a column value to decide which column value to sort by.

VCR is a tool that can be of immense help for developers testing against 3rd party APIs. This post discusses how to track down unused VCR cassettes for remvoal.

Learn how to use the Encryptor gem directly to encrypt and decrypt data on Ruby applications to keep sensitive data secure and have the flexibility to handle encrypted output as you see fit.

UUID v7 overcomes the limitations of v4 by including an 48 bit epoch timestamp along side random data. Here we discuss how you can enable UUID v7 on PostgreSQL and use it on a Ruby on Rails project.

If you are testing RoR mailer views using RSpec and FFaker gem, you could randomly experience match failures. This post explains how you can use HTML escape to bring escape the name before matching.

Bring life to your Rails application by using Toastr alerts with Turbo and Stimulus JS. This blog post details the steps with code samples to show Toastr flash messages.

Fix the error when bundle install of a Ruby on Rails project w.r.t. nio4r. The issue generally is the result of implicit function declaration causing errors compiling native C extensions.

The popular Trailblazer sister project Reform (and Reform-Rails) on Ruby 3.0 environment is expected to have errors due to the fact Ruby 3 is not yet supported. Updates expected to come soon.

Learn how you can track an ActiveRecord objects attribute changes across its lifecycle or page request. The methods [attr]_was, [attr]_chagned?, [attr]_previously_was are some among the helpful methods implemented in ActiveModel::Dirty module.

The software world evolves rapidly, and it is essential to track outdated libraries to update them. This blog post discusses identifying and listing libraries that could be updated using Bundler (Ruby) and Yarn (Node), as many web projects include Node dependencies.

Fix Library not loaded: /usr/local/lib/libpq.5.4.dylib error after you upgrade your Homebrew packages.

Some rumors have been going around that Ruby on Rails is dead. Rails are doing better than I expected and I would definitely recommend new developers and clients to look at Rails.

The static declaration of width and height makes YouTube video embed links not mobile responsive. This blog post describes a JS solution to make videos mobile responsive.

Fix the error "There is a chance you are experiencing a man-in-the-middle attack" you get running bundle install in an ancient Rails project rocking Rails Assets.

Serve responsive and retina images in a Ruby on Rails application without 3rd party library or any additional code just using the `srcset` property in the `ActionView::imgae_tag` helper.

It could be argued that `NOT NULL` is the most popular database constraint out there. There are times you need to add a constraint or remove it. Some advice on how to do it in Ruby on Rails.

Introduction to RSpec Request Specs and how you can use it in your Ruby on Rails application.

Ruby on Rails doesn't add model field details to the model and related files such as specs and factories. The annotate library automatically adds field definitions to relevant files.

An error was encountered while upgrading a Ruby on Rails 3.2 app related to a migration to create a PostgreSQL integer array. Updating the migration to modern syntax fixed the issue.

Enums are a useful and commonly used data type in Ruby applications. Rails 7 introduces support to create native PG enum data types. This post discusses the creation and use of native enums with PostgreSQL, advantes & disadvantages.

Caching is a vital instrument to reduce the load on the server and deliver reused results and speed up page load for the user. Rails 5 introduces collection caching that can vastly improve performance.

Foreman is a tool commonly used in application development environments to manage applications based on Procfiles. I experienced a Rails application freeze when used inside foreman and the fix was to use `bundle exec`.