b-nik

# add in a before(:all) in your test suite for example
ls_command = [
  "-rw-r--r--    1 ftp      ftp      671686268 Feb 21 03:14 some_file",
  "drw-r--r--    1 ftp      ftp      671686268 Feb 21 03:14 directory",
  # ...
]

class FakeFtp < OpenStruct
  # So that for example fake_ftp.chdir("path/to/dir") will be send as fake_ftp.chdir
  def method_missing(method, *args)

varyonic

web:
  build: .
  volumes:
    - .:/opt/myapp
  ports:
    - '3000:3000'
  links:
    - db
    - redis
    - selenium

spalladino

# Backup
docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

# Restore
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE

lulalala

class Banner < ActiveRecord::Base
  attr_accessor :image_width, :image_height
  mount_uploader :image, ImageUploader
  
  validate :check_dimensions, :on => :create
  def check_dimensions
    if !image_cache.nil? && (image.width < 300 || image.height < 300)
      errors.add :image, "Dimension too small."
    end
  end