ka8725

class A {
    public void test() {
        System.out.println("Hello world");
    }

    public static void main(String args[]) {
       A a = new A();
       a.testX();
    }
}

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irb --simple-prompt         
>> a = [1,2,3]
=> [1, 2, 3]
>> a.select {|e| e >= 2}
=> [2, 3]
>> a.detect {|e| e >= 2}
=> 2

ka8725

RSpec.configure do |config|
  config.before(:suite) do
    DatabaseCleaner.clean_with(:truncation)
  end

  config.before(:each) do
    DatabaseCleaner.strategy = :transaction
  end

  config.before(:each, js: true) do

ka8725

module MigrationData
  def exec_migration(conn, direction)
    super
    if direction == :up && respond_to?(:data)
      data
    end
  end
end

ActiveRecord::Migration.prepend(MigrationData)

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module RoutesAdaptation
  # Extends functionality of polymorphic routes to have ability to define default prefixes
  # in the controller.
  #
  # Examples:
  #   ActionView::RoutingUrlFor.send(:include, RoutesAdaptation::RoutingUrlFor)
  #
  #   class ApplicationController < ActionController::Base
  #     def polymorphic_prefixes
  #       [:client, current_company]

ka8725

module Admin
  class BaseController < ApplicationController
    def self.inherit_resources(base)
      InheritedResources::Base.method(:inherit_resources).call(base)
    end

    inherit_resources(self)
  end
end

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def get_purchase_from_factory(rec):
    purchase = Purchase(rec[1], int(rec[2]), int(rec[3]))
    if rec[0] != 'Purchase':
        cls_obj = globals().get(rec[0], None)
        purchase.__class__ = cls_obj
        conv_fun = int if rec[0] == 'PricePurchase' else float 
        purchase.discount = conv_fun(rec[4])
    return purchase

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class Country < ActiveRecord::Base
  attr_accessor :status

  after_update do
    Thread.new do
      self.status = :published
      BackgroundProcess.new(self).run
    end.join
  end
end

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from abc import ABCMeta
from random import randint


class SortableGoods(object):
  __metaclass__ = ABCMeta

  _GOODS_CLASSES_PRIORITY = {
    'Person': 0,
    'Container': 1,

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def method1
end

def method2(default: 1)
end

method(:method1).arity # => 0
method(:method2).arity # => 0