Ruby On Rails

Tutorials

Using Action Cable for Private Messaging

Using Action Cable for Private Messaging This article builds on Dakota Lillie’s great article about how to implement Action Cable with React.Private live messaging is a cool feature for any app. Adding a visual indicator that notifies when other users are currently connected might also b...

Ruby bindings for the SQLite3 embedded database

Ruby bindings for the SQLite3 embedded database Ruby bindings for the SQLite3 embedded database. Contribute to sparklemotion/sqlite3-ruby development by creating an account on GitHub.This module allows Ruby programs to interface with the SQLite3 database engine (www.sqlite.org). You must have t...

Kent Beck, Author of Test-Driven Development: By Example

Kent Beck, Author of Test-Driven Development: By Example In this episode I talk with Kent Beck about our TDD workflows as well as how to get started with testing if you feel like you don't know how to start.

Rails plugin that logs/displays a backtrace of all SQL queries executed by Active Record

Rails plugin that logs/displays a backtrace of all SQL queries executed by Active Record Rails plugin that logs/displays a backtrace of all SQL queries executed by Active Record - brunofacca/active-record-query-trace.Displays a backtrace for each query in Rails' development console and log. Allows you to track down where queries are e...

Building a Slack App using Ruby and Sinatra

Building a Slack App using Ruby and Sinatra My team at Runtime Revolution uses an in-house app for team management and other day-to-day chores. Recently, I was asked to integrate Slack’s Slash Commands into it.Being new to Ruby I accepted the challenge with added motivation and drive. This ...

Install Ruby On Rails on Ubuntu 18.04 Bionic Beaver | GoRails

Install Ruby On Rails on Ubuntu 18.04 Bionic Beaver | GoRails A guide to setting up a Ruby on Rails development environment on Ubuntu 18.04 Bionic Beaver with Git, MySQL, and PostgreSQL. This will take about 30 minutes.We will be setting up a Ruby on Rails development environment on Ubuntu 18.04 Bionic Beave...

Guide to simple Rails features

Guide to simple Rails features I recently made my first Ruby on Rails app — here are some resources and strategies I used to make it work, including:OAuth login/signup (Google)Authorization helpers and controller methods ( current_user, logged_in, authorize(user), render 403 er...

Deep Rails: How to use Abstract Classes

Deep Rails: How to use Abstract Classes This magic line has been the solution to some wandering Rubyists’ inheritence problems, and the source of many more. How does it work? What should we use it for? Come on: let’s check it out together.First Things First: What Does it Do?.

RuboCop your Ruby: enable, disable and configure your linter checks

RuboCop your Ruby: enable, disable and configure your linter checks RuboCop can be a convenient static code analysis tool to apply the Ruby style guide to your apps. Sometimes the rules it enforces are not suitable for some of your files and you need to disable or customise the checks RuboCop uses.In this quick tu...

Mastering data structures in Ruby — Singly linked lists

Mastering data structures in Ruby — Singly linked lists A singly linked list is a data structure that allows us to manage variable-sized collections of elements.Unlike C style arrays, singly linked lists can grow or shrink dynamically based on the number of objects they have to store. This property mak...

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