devsergiy

function unfold(arr) {
  var result = [];
  arr.forEach(function(elem, i) {
    if ( elem instanceof Array) {
      intermediate = unfold(elem);
      result = result.concat(intermediate)
      return
    }
    result.push(elem);
  })

devsergiy

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

devsergiy

# * Style guide based on Rails documention
module Namespace #:nodoc: don't document this

  # Generic Namespace exception class
  class NamespaceError < StandardError
  end
  
  # Raised when...
  class SpecificError < NamespaceError
  end

devsergiy

Deploy Rails app to digitalocean with nginx, unicorn, capistrano & postgres

Create droplet of your liking (ubuntu 12.10 x32)

ssh to root in terminal with your server ip

ssh root@123.123.123.123

Add ssh fingerprint and enter password provided in email

devsergiy

#!/usr/bin/env rake

require 'rspec/core/rake_task'
RSpec::Core::RakeTask.new(:spec => :dummy_app) do |t|
  t.pattern =  File.expand_path('../spec/**/*_spec.rb', __FILE__)
end
task :default => :spec

desc 'Generates a dummy app for testing'
task :dummy_app => [:setup, :migrate]

devsergiy

App.AccountEditRoute = Ember.Route.extend({
  setupController: function(controller) {
    controller.set('content', this.get('currentUser'));
  }
});

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#place this in config/locales/translit.rb

# encoding: utf-8

# I18n transliteration delegates to Russian::Transliteration (we're unable
# to use common I18n transliteration tables with Russian)
#
# Правило транслитерации для I18n использует Russian::Transliteration
# (использовать обычный механизм и таблицу транслитерации I18n с
# русским языком не получится)