Ruby On Rails

Tutorials

DB max connection limits for Rails app and Postgres, Redis, Puma settings

DB max connection limits for Rails app and Postgres, Redis, Puma settings Configuring the database connections pool for the Rails app might not be a straightforward task for many programmers. There is a constraint of max opened connections on a database level. Your server environment configuration can change in time and...

Ruby on Rails Controllers Cheat Sheet

Ruby on Rails Controllers Cheat Sheet GuideRuby on Rails Controllers Cheat SheetHttpAuthentication::BasicHttpAuthentication::TokenCheat Sheet Maker.

The 5 Rules of Simple RSpec Tests

The 5 Rules of Simple RSpec Tests The 5 “rules” I try to follow in order to write simple RSpec tests.Let’s GO.Everything above 2 is a code-smell and causes alarm bells in my head to ring. The more levels of nesting you have, the harder it is to understand what a given example is d...

Rails 7 transforms a Ruby hash into HTML attributes for ERB interpolation | Saeloun Blog

Rails 7 transforms a Ruby hash into HTML attributes for ERB interpolation | Saeloun Blog One of the basic things we learn as a Rails developer is how to interpolate bits and pieces of Ruby code into our template file, which is ERB. There are many other template engines apart from ERB, such as HAML and Slim, but since ERB is the defaul...

StimulusReflex Patterns by Julian Rubisch: Ready to level up your StimulusReflex game?

StimulusReflex Patterns by Julian Rubisch: Ready to level up your StimulusReflex game? I've got a fever, and the only cure ismore Reflex!An assorted collection of patterns, directly extracted from the course.

A minimal, fast, safe sql executor

A minimal, fast, safe sql executor MiniSql is a very simple, safe and fast SQL executor and mapper for PG and Sqlite.

Quickly explore your data with uniq and tally

Quickly explore your data with uniq and tally A common question you may want to answer on user-input data is: what values have been entered and how many times is each one used?Maybe you have a list of dropdown options and you want to investigate removing a rare-used option.Ruby has two handy ...

Animated graphics with Ruby and Voronoi partitions

Animated graphics with Ruby and Voronoi partitions I’ve been writing a lot of code for my next video in Code, Sound & Surround. One small part of that has turned out to be interesting enough to show off on its own. I built some tools for plotting and animating Voronoi diagrams in Ruby, and now I’v...

Building Rails Applications in Docker

Building Rails Applications in Docker Docker images can provide a powerful interface for deploying your Rails applications. Everything your application needs in order to run can be packaged inside a Docker image. The Docker images can then be deployed from your laptop, staging and to ...

Using Docker for Rails in a Production Environment

Using Docker for Rails in a Production Environment Running a Rails application in production requires installing Ruby and other packages. It's not difficult and configuration management system like Chef or Ansible makes it even easier. Here we're going to look at a different approach. By using Doc...

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