kmayer

# How to use and experiment
# $ irb -I. -rfizzbuzz
# => fb = FizzBuzz.new
# => fb.enumerator_with_array_indices.take(30) == FizzBuzz.EXPECTATIONS
# => true

class FizzBuzz
  EXPECTATIONS=[1, 2, "Fizz", 4, "Buzz", "Fizz", 7, 8, "Fizz", "Buzz", 11, "Fizz", 13, 14, "FizzBuzz", 16, 17, "Fizz", 19, "Buzz", "Fizz", 22, 23, "Fizz", "Buzz", 26, "Fizz", 28, 29, "FizzBuzz"]

  def shortest # 100 chars of ruby

iansheridan

# CLOSURES IN RUBY     Paul Cantrell    http://innig.net
# Email: username "cantrell", domain name "pobox.com"
 
# I recommend executing this file, then reading it alongside its output.
#
# Alteratively, you can give yourself a sort of Ruby test by deleting all the comments,
# then trying to guess the output of the code!
 
# A closure is a block of code which meets three criteria:
# 

CapeRatel

class User < ActiveRecord::Base
  # keep the default scope first (if any)
  default_scope { where(active: true) }

  # constants come up next
  COLORS = %w(red green blue)

  # afterwards we put attr related macros
  attr_accessor :formatted_date_of_birth

dvoryankin

1. Знание основ Ruby, фреймворка Ruby on Rails
 - http://guides.rubyonrails.org/
 - http://rusrails.ru/
 Вопросы:
 1. Чем отличается статическая и динамическая типизации в языках программирования?
 2. Какие виды наследования поддерживаются в Ruby?
 3. Что такое модуль? Какая разница между классом и модулем?
 4. Какие есть уровни контроля доступа к методам для классов и модулей?
 5. Какие есть способы вызова методов в Ruby?
 6. Что означает ключевое слово self?

leopoldodonnell

Local Postgres

This gist is an example of how you can simply install and run and extended Postgres using docker-compose. It assumes that you have docker and docker-compose installed and running on your workstation.

Install

• Requires docker and docker-compose
• Clone via http: git clone https://gist.github.com/b0b7e06943bd389560184d948bdc2d5b.git
• Make load-extensions.sh executable
• Build the image: docker-compose build