brianwisti

# A terrible idea
# Spent a couple minutes experimenting with the idea of using Ruby to initialize
# my Vim session instead of something reliable, like a .vimrc. 
#
# Why? Because I love terrible ideas. 
# BTW - only works for the simplest of options right now.
class VimSession
  include VIM
  
  def initialize &options

ggarnier

class Superclass
  @@var1 = "var 1 Superclass"
  @var2 = "var 2 Superclass"

  def self.var1
    @@var1
  end

  def self.var2
    @var2

justinweiss

# Call scopes directly from your URL params:
#
#     @products = Product.filter(params.slice(:status, :location, :starts_with))
module Filterable
  extend ActiveSupport::Concern

  module ClassMethods
    
    # Call the class methods with names based on the keys in <tt>filtering_params</tt>
    # with their associated values. For example, "{ status: 'delayed' }" would call 

jamesyang124

Ruby Metaprogramming Guide

Note: This guide works with Ruby 2.6+ through Ruby 3.x, with modern Ruby 3.x features highlighted where applicable. Core metaprogramming concepts remain consistent across Ruby versions.

This document has been collaboratively updated and modernized through an interactive process with Claude Code, revised with examples, visual diagrams, and Ruby 3.x compatibility.

Table of Contents

1. Key Concepts
2. Self

stephancom

#     _       _           
#  __| |_ _ _(_)_ __  ___ 
# (_-<  _| '_| | '_ \/ -_)
# /__/\__|_| |_| .__/\___|
#              |_|        
#    __ _  _ __| |_ ___ _ __  ___ _ _ 
#   / _| || (_-<  _/ _ \ '  \/ -_) '_|
#   \__|\_,_/__/\__\___/_|_|_\___|_|  
#
# (c) 2013 stephan.com

Integralist

• Messages and Duck Typing
• Dependencies
• Patterns
  • Template Method Pattern
  • Null Object Pattern
  • Replace Conditional with Polymorphism
  • Transform complex data structures
• Miscellaneous

Messages and Duck Typing (i.e. interfaces)

jfeaver

#Deploy and rollback on Heroku in staging and production

class RakeHerokuDeployer
  def initialize app_env
    @app = ENV["#{app_env.to_s.upcase}_APP"]
  end

  def run_migrations
    push; turn_app_off; migrate; restart; turn_app_on; tag;
  end

dhh

# config/routes.rb
resources :documents do
  scope module: 'documents' do
    resources :versions do
      post :restore, on: :member
    end

    resource :lock
  end
end

thebucknerlife

#Simple Authentication with Bcrypt

This tutorial is for adding authentication to a vanilla Ruby on Rails app using Bcrypt and has_secure_password.

The steps below are based on Ryan Bates's approach from Railscast #250 Authentication from Scratch (revised).

You can see the final source code here: repo. I began with a stock rails app using rails new gif_vault

##Steps

justinweiss

require 'yaml'
require 'erb'
require 'ostruct'

class Settings < OpenStruct

  # Settings.new(:google_analytics)
  def initialize(config_file_base_name)
    super(YAML.load(ERB.new(File.read(Rails.root.join("config", "#{config_file_base_name}.yml"))).result)[Rails.env])
  end