Ruby On Rails

Tutorials

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...

Setting up a SPA using a javascript frontend

Setting up a SPA using a javascript frontend Disclaimer: If you are researching ways to set up a spa in your backyard this blog is not for you.Approximately seven months ago I jotted down a couple of JavaScript coding notes into my favorite notebook. As I wrote down exotic words like "boolea...

Direct File Upload With Paperclip and S3-compatible Object Storage

Direct File Upload With Paperclip and S3-compatible Object Storage As usual, I will take the opportunity of describing technical solutions to go further with the topic and talk about the why, the how and the whom, with the widest inclusive example I was able to cover. If you are only looking for the technical gui...

Building a video converter with Rails 6 and FFmpeg

Building a video converter with Rails 6 and FFmpeg Today's project pulls together a number of built-in Rails tools, plus a couple of incredibly useful open source projects to build a web application that can convert user-uploaded video files to MP4.To demonstrate some of the modern parts of the st...

Estimate database connections pool size for Rails application

Estimate database connections pool size for Rails application 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...

Rails 7 allows constructors on has_one :through associations | Saeloun Blog

Rails 7 allows constructors on has_one :through associations | Saeloun Blog When we declare a belongs_to association, the declaring class automatically gains build_association and create_association methods.

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